./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.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 82e959473290e80a4f353bcd3c2747bafa4ce239975e14e29f8e5bf5eff4b01b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 08:00:25,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 08:00:25,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 08:00:25,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 08:00:25,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 08:00:25,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 08:00:25,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 08:00:25,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 08:00:25,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 08:00:25,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 08:00:25,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 08:00:25,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 08:00:25,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 08:00:25,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 08:00:25,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 08:00:25,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 08:00:25,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 08:00:25,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 08:00:25,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 08:00:25,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 08:00:25,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 08:00:25,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 08:00:25,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 08:00:25,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 08:00:25,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 08:00:25,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 08:00:25,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 08:00:25,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 08:00:25,598 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 08:00:25,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 08:00:25,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 08:00:25,599 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 08:00:25,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 08:00:25,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 08:00:25,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 08:00:25,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 08:00:25,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 08:00:25,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 08:00:25,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 08:00:25,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 08:00:25,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 08:00:25,606 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 08:00:25,643 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 08:00:25,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 08:00:25,643 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 08:00:25,643 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 08:00:25,644 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 08:00:25,644 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 08:00:25,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 08:00:25,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 08:00:25,644 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 08:00:25,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 08:00:25,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 08:00:25,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 08:00:25,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 08:00:25,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 08:00:25,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 08:00:25,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 08:00:25,645 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 08:00:25,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 08:00:25,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 08:00:25,645 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 08:00:25,645 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 08:00:25,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 08:00:25,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 08:00:25,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 08:00:25,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 08:00:25,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 08:00:25,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 08:00:25,646 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 08:00:25,646 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 08:00:25,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 08:00:25,646 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 08:00:25,646 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82e959473290e80a4f353bcd3c2747bafa4ce239975e14e29f8e5bf5eff4b01b [2021-11-17 08:00:25,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 08:00:25,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 08:00:25,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 08:00:25,824 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 08:00:25,825 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 08:00:25,825 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i [2021-11-17 08:00:25,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2f2769fd/0a08674eeae44ad2b4a3f83701218ee6/FLAG0c5c6e634 [2021-11-17 08:00:26,573 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 08:00:26,574 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i [2021-11-17 08:00:26,616 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2f2769fd/0a08674eeae44ad2b4a3f83701218ee6/FLAG0c5c6e634 [2021-11-17 08:00:26,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2f2769fd/0a08674eeae44ad2b4a3f83701218ee6 [2021-11-17 08:00:26,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 08:00:26,662 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 08:00:26,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 08:00:26,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 08:00:26,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 08:00:26,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:00:26" (1/1) ... [2021-11-17 08:00:26,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f512737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:26, skipping insertion in model container [2021-11-17 08:00:26,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:00:26" (1/1) ... [2021-11-17 08:00:26,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 08:00:26,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 08:00:28,912 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343367,343380] [2021-11-17 08:00:28,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343536,343549] [2021-11-17 08:00:28,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343703,343716] [2021-11-17 08:00:28,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343871,343884] [2021-11-17 08:00:28,930 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 08:00:28,950 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 08:00:29,215 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343367,343380] [2021-11-17 08:00:29,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343536,343549] [2021-11-17 08:00:29,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343703,343716] [2021-11-17 08:00:29,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343871,343884] [2021-11-17 08:00:29,223 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 08:00:29,370 INFO L208 MainTranslator]: Completed translation [2021-11-17 08:00:29,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:29 WrapperNode [2021-11-17 08:00:29,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 08:00:29,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 08:00:29,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 08:00:29,372 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 08:00:29,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:29" (1/1) ... [2021-11-17 08:00:29,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:29" (1/1) ... [2021-11-17 08:00:29,579 INFO L137 Inliner]: procedures = 454, calls = 1948, calls flagged for inlining = 238, calls inlined = 222, statements flattened = 5186 [2021-11-17 08:00:29,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 08:00:29,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 08:00:29,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 08:00:29,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 08:00:29,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:29" (1/1) ... [2021-11-17 08:00:29,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:29" (1/1) ... [2021-11-17 08:00:29,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:29" (1/1) ... [2021-11-17 08:00:29,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:29" (1/1) ... [2021-11-17 08:00:29,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:29" (1/1) ... [2021-11-17 08:00:29,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:29" (1/1) ... [2021-11-17 08:00:29,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:29" (1/1) ... [2021-11-17 08:00:29,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 08:00:29,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 08:00:29,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 08:00:29,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 08:00:29,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:29" (1/1) ... [2021-11-17 08:00:29,782 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 08:00:29,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 08:00:29,800 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 08:00:29,806 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 08:00:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rxfilter [2021-11-17 08:00:29,827 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rxfilter [2021-11-17 08:00:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2021-11-17 08:00:29,827 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2021-11-17 08:00:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-17 08:00:29,827 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-17 08:00:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 08:00:29,828 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 08:00:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-17 08:00:29,828 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-17 08:00:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-17 08:00:29,828 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-17 08:00:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 08:00:29,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 08:00:29,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 08:00:29,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 08:00:29,829 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-17 08:00:29,829 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-17 08:00:29,829 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 08:00:29,829 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 08:00:29,830 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-17 08:00:29,830 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-17 08:00:29,830 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_default_phy [2021-11-17 08:00:29,830 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_default_phy [2021-11-17 08:00:29,830 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-11-17 08:00:29,830 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-11-17 08:00:29,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_75 [2021-11-17 08:00:29,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_75 [2021-11-17 08:00:29,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_66 [2021-11-17 08:00:29,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_66 [2021-11-17 08:00:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-17 08:00:29,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-17 08:00:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-17 08:00:29,831 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-17 08:00:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_check_mode [2021-11-17 08:00:29,831 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_check_mode [2021-11-17 08:00:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-17 08:00:29,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-17 08:00:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 08:00:29,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 08:00:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-17 08:00:29,832 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-17 08:00:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-17 08:00:29,832 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-17 08:00:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 08:00:29,833 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 08:00:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 08:00:29,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 08:00:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_remove [2021-11-17 08:00:29,834 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_remove [2021-11-17 08:00:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure sis630_set_eq [2021-11-17 08:00:29,834 INFO L138 BoogieDeclarations]: Found implementation of procedure sis630_set_eq [2021-11-17 08:00:29,835 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2021-11-17 08:00:29,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2021-11-17 08:00:29,835 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-17 08:00:29,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-17 08:00:29,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 08:00:29,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sis900_cleanup_module_14_2 [2021-11-17 08:00:29,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sis900_cleanup_module_14_2 [2021-11-17 08:00:29,836 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_tx_ring [2021-11-17 08:00:29,836 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_tx_ring [2021-11-17 08:00:29,836 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 08:00:29,836 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 08:00:29,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_sis900_private [2021-11-17 08:00:29,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_sis900_private [2021-11-17 08:00:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 08:00:29,837 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 08:00:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 08:00:29,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 08:00:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_set_mode [2021-11-17 08:00:29,838 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_set_mode [2021-11-17 08:00:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 08:00:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-11-17 08:00:29,838 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-11-17 08:00:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_sis900_private [2021-11-17 08:00:29,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_sis900_private [2021-11-17 08:00:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 08:00:29,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 08:00:29,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-17 08:00:29,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-17 08:00:29,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-17 08:00:29,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-17 08:00:29,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 08:00:29,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 08:00:29,839 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-17 08:00:29,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-17 08:00:29,840 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_interrupt [2021-11-17 08:00:29,840 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_interrupt [2021-11-17 08:00:29,840 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_reset_phy [2021-11-17 08:00:29,841 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_reset_phy [2021-11-17 08:00:29,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 08:00:29,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 08:00:29,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 08:00:29,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-17 08:00:29,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-17 08:00:29,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-17 08:00:29,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-17 08:00:29,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 08:00:29,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 08:00:29,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 08:00:29,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 08:00:29,842 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-17 08:00:29,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-17 08:00:29,842 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_open [2021-11-17 08:00:29,842 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_open [2021-11-17 08:00:29,842 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 08:00:29,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 08:00:29,843 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_nway_reset [2021-11-17 08:00:29,843 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_nway_reset [2021-11-17 08:00:29,843 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-17 08:00:29,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-17 08:00:29,844 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 08:00:29,844 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 08:00:29,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-17 08:00:29,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-17 08:00:29,846 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-11-17 08:00:29,846 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-11-17 08:00:29,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 08:00:29,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 08:00:29,847 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_close [2021-11-17 08:00:29,847 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_close [2021-11-17 08:00:29,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 08:00:29,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 08:00:29,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 08:00:29,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 08:00:29,852 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-17 08:00:29,852 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-17 08:00:29,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-17 08:00:29,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-17 08:00:29,852 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_reset [2021-11-17 08:00:29,852 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_reset [2021-11-17 08:00:29,852 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-17 08:00:29,853 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-17 08:00:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-17 08:00:29,853 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-17 08:00:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-17 08:00:29,853 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-17 08:00:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-17 08:00:29,853 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-17 08:00:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2021-11-17 08:00:29,853 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2021-11-17 08:00:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-17 08:00:29,853 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-17 08:00:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 08:00:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 08:00:29,854 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 08:00:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_74 [2021-11-17 08:00:29,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_74 [2021-11-17 08:00:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 08:00:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-17 08:00:29,854 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-17 08:00:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rx_ring [2021-11-17 08:00:29,855 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rx_ring [2021-11-17 08:00:29,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 08:00:29,855 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-11-17 08:00:29,855 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-11-17 08:00:29,855 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 08:00:29,855 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 08:00:29,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 08:00:29,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 08:00:29,855 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hw_addr_random [2021-11-17 08:00:29,855 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hw_addr_random [2021-11-17 08:00:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-17 08:00:29,856 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-17 08:00:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-11-17 08:00:29,856 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-11-17 08:00:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_poll [2021-11-17 08:00:29,856 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_poll [2021-11-17 08:00:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-17 08:00:29,856 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-17 08:00:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 08:00:29,856 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 08:00:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-17 08:00:29,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-17 08:00:29,857 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 08:00:29,857 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 08:00:29,857 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 08:00:29,857 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 08:00:29,857 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_resume [2021-11-17 08:00:29,857 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_resume [2021-11-17 08:00:29,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 08:00:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 08:00:29,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 08:00:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2021-11-17 08:00:29,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2021-11-17 08:00:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_idle [2021-11-17 08:00:29,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_idle [2021-11-17 08:00:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_tx_timeout [2021-11-17 08:00:29,859 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_tx_timeout [2021-11-17 08:00:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 08:00:29,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 08:00:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-17 08:00:29,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-17 08:00:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-17 08:00:29,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-17 08:00:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 08:00:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 08:00:29,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 08:00:30,563 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 08:00:30,568 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 08:00:30,843 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 08:00:32,592 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-17 08:00:32,629 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 08:00:32,641 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 08:00:32,641 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-17 08:00:32,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 08:00:32 BoogieIcfgContainer [2021-11-17 08:00:32,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 08:00:32,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 08:00:32,645 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 08:00:32,647 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 08:00:32,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 08:00:26" (1/3) ... [2021-11-17 08:00:32,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@569de47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 08:00:32, skipping insertion in model container [2021-11-17 08:00:32,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:29" (2/3) ... [2021-11-17 08:00:32,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@569de47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 08:00:32, skipping insertion in model container [2021-11-17 08:00:32,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 08:00:32" (3/3) ... [2021-11-17 08:00:32,649 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i [2021-11-17 08:00:32,653 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 08:00:32,653 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-17 08:00:32,692 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 08:00:32,697 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 08:00:32,697 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-17 08:00:32,741 INFO L276 IsEmpty]: Start isEmpty. Operand has 1960 states, 1339 states have (on average 1.2763256161314414) internal successors, (1709), 1366 states have internal predecessors, (1709), 526 states have call successors, (526), 93 states have call predecessors, (526), 92 states have return successors, (520), 512 states have call predecessors, (520), 520 states have call successors, (520) [2021-11-17 08:00:32,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-17 08:00:32,776 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:00:32,777 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:32,777 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 08:00:32,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:00:32,784 INFO L85 PathProgramCache]: Analyzing trace with hash -511834341, now seen corresponding path program 1 times [2021-11-17 08:00:32,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:00:32,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807212616] [2021-11-17 08:00:32,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:00:32,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:00:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:33,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:00:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:33,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:33,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:00:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:33,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:33,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:00:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:33,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:33,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:00:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:33,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:33,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:00:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:33,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:33,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:00:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:33,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:33,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:00:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:33,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:33,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:33,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:00:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:33,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:33,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:00:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:33,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:33,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:00:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:33,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:33,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:00:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:33,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:33,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 08:00:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:33,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 08:00:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:33,476 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2021-11-17 08:00:33,476 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:00:33,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807212616] [2021-11-17 08:00:33,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807212616] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:00:33,477 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:00:33,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:00:33,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449402634] [2021-11-17 08:00:33,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:00:33,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:00:33,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:00:33,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:00:33,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:00:33,505 INFO L87 Difference]: Start difference. First operand has 1960 states, 1339 states have (on average 1.2763256161314414) internal successors, (1709), 1366 states have internal predecessors, (1709), 526 states have call successors, (526), 93 states have call predecessors, (526), 92 states have return successors, (520), 512 states have call predecessors, (520), 520 states have call successors, (520) Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-11-17 08:00:37,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:00:37,285 INFO L93 Difference]: Finished difference Result 6068 states and 8742 transitions. [2021-11-17 08:00:37,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:00:37,288 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 149 [2021-11-17 08:00:37,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:00:37,326 INFO L225 Difference]: With dead ends: 6068 [2021-11-17 08:00:37,326 INFO L226 Difference]: Without dead ends: 4125 [2021-11-17 08:00:37,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 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 08:00:37,346 INFO L933 BasicCegarLoop]: 2868 mSDtfsCounter, 3786 mSDsluCounter, 2865 mSDsCounter, 0 mSdLazyCounter, 2048 mSolverCounterSat, 1751 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4284 SdHoareTripleChecker+Valid, 5733 SdHoareTripleChecker+Invalid, 3799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1751 IncrementalHoareTripleChecker+Valid, 2048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-17 08:00:37,347 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4284 Valid, 5733 Invalid, 3799 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1751 Valid, 2048 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-17 08:00:37,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4125 states. [2021-11-17 08:00:37,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4125 to 3785. [2021-11-17 08:00:37,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3785 states, 2605 states have (on average 1.2706333973128598) internal successors, (3310), 2658 states have internal predecessors, (3310), 997 states have call successors, (997), 181 states have call predecessors, (997), 180 states have return successors, (993), 977 states have call predecessors, (993), 993 states have call successors, (993) [2021-11-17 08:00:37,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3785 states to 3785 states and 5300 transitions. [2021-11-17 08:00:37,603 INFO L78 Accepts]: Start accepts. Automaton has 3785 states and 5300 transitions. Word has length 149 [2021-11-17 08:00:37,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:00:37,606 INFO L470 AbstractCegarLoop]: Abstraction has 3785 states and 5300 transitions. [2021-11-17 08:00:37,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-11-17 08:00:37,607 INFO L276 IsEmpty]: Start isEmpty. Operand 3785 states and 5300 transitions. [2021-11-17 08:00:37,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-17 08:00:37,616 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:00:37,617 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:37,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 08:00:37,617 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 08:00:37,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:00:37,618 INFO L85 PathProgramCache]: Analyzing trace with hash 474246430, now seen corresponding path program 1 times [2021-11-17 08:00:37,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:00:37,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620031660] [2021-11-17 08:00:37,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:00:37,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:00:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:37,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:00:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:37,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:37,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:00:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:37,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:37,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:00:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:37,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:37,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:00:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:37,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:37,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:00:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:37,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:37,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:00:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:37,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:37,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:00:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:37,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:37,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:00:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:37,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:37,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:00:37,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:37,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:37,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:00:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:37,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:37,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:00:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:37,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:37,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 08:00:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:37,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:00:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:37,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-11-17 08:00:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:37,971 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2021-11-17 08:00:37,972 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:00:37,972 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620031660] [2021-11-17 08:00:37,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620031660] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:00:37,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:00:37,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:00:37,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235573918] [2021-11-17 08:00:37,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:00:37,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:00:37,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:00:37,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:00:37,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:00:37,976 INFO L87 Difference]: Start difference. First operand 3785 states and 5300 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2021-11-17 08:00:41,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:00:41,477 INFO L93 Difference]: Finished difference Result 11817 states and 16695 transitions. [2021-11-17 08:00:41,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:00:41,477 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 153 [2021-11-17 08:00:41,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:00:41,521 INFO L225 Difference]: With dead ends: 11817 [2021-11-17 08:00:41,521 INFO L226 Difference]: Without dead ends: 8059 [2021-11-17 08:00:41,538 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 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 08:00:41,539 INFO L933 BasicCegarLoop]: 2877 mSDtfsCounter, 3761 mSDsluCounter, 2853 mSDsCounter, 0 mSdLazyCounter, 1983 mSolverCounterSat, 1781 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4254 SdHoareTripleChecker+Valid, 5730 SdHoareTripleChecker+Invalid, 3764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1781 IncrementalHoareTripleChecker+Valid, 1983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-17 08:00:41,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4254 Valid, 5730 Invalid, 3764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1781 Valid, 1983 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-17 08:00:41,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8059 states. [2021-11-17 08:00:41,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8059 to 7640. [2021-11-17 08:00:41,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7640 states, 5290 states have (on average 1.276937618147448) internal successors, (6755), 5406 states have internal predecessors, (6755), 1982 states have call successors, (1982), 360 states have call predecessors, (1982), 365 states have return successors, (2016), 1939 states have call predecessors, (2016), 1978 states have call successors, (2016) [2021-11-17 08:00:41,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7640 states to 7640 states and 10753 transitions. [2021-11-17 08:00:41,890 INFO L78 Accepts]: Start accepts. Automaton has 7640 states and 10753 transitions. Word has length 153 [2021-11-17 08:00:41,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:00:41,891 INFO L470 AbstractCegarLoop]: Abstraction has 7640 states and 10753 transitions. [2021-11-17 08:00:41,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2021-11-17 08:00:41,892 INFO L276 IsEmpty]: Start isEmpty. Operand 7640 states and 10753 transitions. [2021-11-17 08:00:41,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-17 08:00:41,895 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:00:41,895 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:41,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 08:00:41,895 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 08:00:41,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:00:41,896 INFO L85 PathProgramCache]: Analyzing trace with hash 501804944, now seen corresponding path program 1 times [2021-11-17 08:00:41,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:00:41,897 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540405720] [2021-11-17 08:00:41,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:00:41,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:00:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:42,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:00:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:42,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:42,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:00:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:42,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:42,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:00:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:42,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:42,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:00:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:42,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:42,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:00:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:42,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:42,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:00:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:42,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:42,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:00:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:42,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:42,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:00:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:42,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:42,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:00:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:42,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:42,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:00:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:42,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:42,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:00:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:42,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:42,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 08:00:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:42,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 08:00:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:42,148 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2021-11-17 08:00:42,148 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:00:42,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540405720] [2021-11-17 08:00:42,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540405720] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:00:42,149 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:00:42,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:00:42,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754475188] [2021-11-17 08:00:42,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:00:42,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:00:42,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:00:42,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:00:42,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:00:42,151 INFO L87 Difference]: Start difference. First operand 7640 states and 10753 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-11-17 08:00:45,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:00:45,641 INFO L93 Difference]: Finished difference Result 22428 states and 31738 transitions. [2021-11-17 08:00:45,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:00:45,641 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 156 [2021-11-17 08:00:45,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:00:45,717 INFO L225 Difference]: With dead ends: 22428 [2021-11-17 08:00:45,717 INFO L226 Difference]: Without dead ends: 14815 [2021-11-17 08:00:45,744 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 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 08:00:45,748 INFO L933 BasicCegarLoop]: 2819 mSDtfsCounter, 3379 mSDsluCounter, 2811 mSDsCounter, 0 mSdLazyCounter, 2020 mSolverCounterSat, 1723 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3827 SdHoareTripleChecker+Valid, 5630 SdHoareTripleChecker+Invalid, 3743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1723 IncrementalHoareTripleChecker+Valid, 2020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-17 08:00:45,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3827 Valid, 5630 Invalid, 3743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1723 Valid, 2020 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-17 08:00:45,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14815 states. [2021-11-17 08:00:46,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14815 to 13770. [2021-11-17 08:00:46,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13770 states, 9440 states have (on average 1.2742584745762713) internal successors, (12029), 9654 states have internal predecessors, (12029), 3634 states have call successors, (3634), 694 states have call predecessors, (3634), 693 states have return successors, (3674), 3543 states have call predecessors, (3674), 3630 states have call successors, (3674) [2021-11-17 08:00:46,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13770 states to 13770 states and 19337 transitions. [2021-11-17 08:00:46,307 INFO L78 Accepts]: Start accepts. Automaton has 13770 states and 19337 transitions. Word has length 156 [2021-11-17 08:00:46,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:00:46,308 INFO L470 AbstractCegarLoop]: Abstraction has 13770 states and 19337 transitions. [2021-11-17 08:00:46,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-11-17 08:00:46,309 INFO L276 IsEmpty]: Start isEmpty. Operand 13770 states and 19337 transitions. [2021-11-17 08:00:46,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-17 08:00:46,311 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:00:46,311 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:00:46,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 08:00:46,311 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:00:46,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:00:46,312 INFO L85 PathProgramCache]: Analyzing trace with hash -585811610, now seen corresponding path program 1 times [2021-11-17 08:00:46,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:00:46,312 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846658022] [2021-11-17 08:00:46,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:00:46,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:00:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:46,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:00:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:46,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:46,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:00:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:46,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:46,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:00:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:46,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:46,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:00:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:46,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:46,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:00:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:46,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:46,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:00:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:46,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:46,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:00:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:46,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:46,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:00:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:46,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:46,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:00:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:46,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:46,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:00:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:46,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:46,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:00:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:46,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:46,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 08:00:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:46,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 08:00:46,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:46,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 08:00:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:46,589 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 531 trivial. 0 not checked. [2021-11-17 08:00:46,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:00:46,589 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846658022] [2021-11-17 08:00:46,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846658022] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:00:46,589 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:00:46,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 08:00:46,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038132662] [2021-11-17 08:00:46,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:00:46,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 08:00:46,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:00:46,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 08:00:46,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-17 08:00:46,591 INFO L87 Difference]: Start difference. First operand 13770 states and 19337 transitions. Second operand has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2021-11-17 08:00:52,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:00:52,823 INFO L93 Difference]: Finished difference Result 29551 states and 41525 transitions. [2021-11-17 08:00:52,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 08:00:52,824 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 165 [2021-11-17 08:00:52,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:00:52,887 INFO L225 Difference]: With dead ends: 29551 [2021-11-17 08:00:52,888 INFO L226 Difference]: Without dead ends: 15808 [2021-11-17 08:00:52,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-11-17 08:00:52,934 INFO L933 BasicCegarLoop]: 3892 mSDtfsCounter, 10225 mSDsluCounter, 3869 mSDsCounter, 0 mSdLazyCounter, 4756 mSolverCounterSat, 5679 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10928 SdHoareTripleChecker+Valid, 7761 SdHoareTripleChecker+Invalid, 10435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5679 IncrementalHoareTripleChecker+Valid, 4756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2021-11-17 08:00:52,935 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10928 Valid, 7761 Invalid, 10435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5679 Valid, 4756 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2021-11-17 08:00:52,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15808 states. [2021-11-17 08:00:53,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15808 to 14455. [2021-11-17 08:00:53,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14455 states, 10035 states have (on average 1.2740408570004982) internal successors, (12785), 10239 states have internal predecessors, (12785), 3614 states have call successors, (3614), 817 states have call predecessors, (3614), 803 states have return successors, (3627), 3509 states have call predecessors, (3627), 3610 states have call successors, (3627) [2021-11-17 08:00:53,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14455 states to 14455 states and 20026 transitions. [2021-11-17 08:00:53,422 INFO L78 Accepts]: Start accepts. Automaton has 14455 states and 20026 transitions. Word has length 165 [2021-11-17 08:00:53,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:00:53,423 INFO L470 AbstractCegarLoop]: Abstraction has 14455 states and 20026 transitions. [2021-11-17 08:00:53,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2021-11-17 08:00:53,423 INFO L276 IsEmpty]: Start isEmpty. Operand 14455 states and 20026 transitions. [2021-11-17 08:00:53,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-17 08:00:53,426 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:00:53,426 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:00:53,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 08:00:53,426 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 08:00:53,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:00:53,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1098294467, now seen corresponding path program 1 times [2021-11-17 08:00:53,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:00:53,427 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452317368] [2021-11-17 08:00:53,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:00:53,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:00:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:00:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:00:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:00:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:00:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:00:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:00:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:00:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:00:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:00:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:00:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:00:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 08:00:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 08:00:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 08:00:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 08:00:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 08:00:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 08:00:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:00:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 08:00:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:53,867 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2021-11-17 08:00:53,868 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:00:53,868 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452317368] [2021-11-17 08:00:53,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452317368] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:00:53,868 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:00:53,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:00:53,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637332157] [2021-11-17 08:00:53,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:00:53,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:00:53,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:00:53,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:00:53,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:00:53,870 INFO L87 Difference]: Start difference. First operand 14455 states and 20026 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-17 08:00:56,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:00:56,477 INFO L93 Difference]: Finished difference Result 15744 states and 22057 transitions. [2021-11-17 08:00:56,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:00:56,484 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 205 [2021-11-17 08:00:56,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:00:56,547 INFO L225 Difference]: With dead ends: 15744 [2021-11-17 08:00:56,548 INFO L226 Difference]: Without dead ends: 15742 [2021-11-17 08:00:56,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:00:56,562 INFO L933 BasicCegarLoop]: 2522 mSDtfsCounter, 3016 mSDsluCounter, 4739 mSDsCounter, 0 mSdLazyCounter, 2402 mSolverCounterSat, 1267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3291 SdHoareTripleChecker+Valid, 7261 SdHoareTripleChecker+Invalid, 3669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1267 IncrementalHoareTripleChecker+Valid, 2402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-17 08:00:56,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3291 Valid, 7261 Invalid, 3669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1267 Valid, 2402 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-17 08:00:56,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15742 states. [2021-11-17 08:00:57,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15742 to 14459. [2021-11-17 08:00:57,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14459 states, 10038 states have (on average 1.2739589559673241) internal successors, (12788), 10242 states have internal predecessors, (12788), 3614 states have call successors, (3614), 818 states have call predecessors, (3614), 804 states have return successors, (3627), 3509 states have call predecessors, (3627), 3610 states have call successors, (3627) [2021-11-17 08:00:57,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14459 states to 14459 states and 20029 transitions. [2021-11-17 08:00:57,100 INFO L78 Accepts]: Start accepts. Automaton has 14459 states and 20029 transitions. Word has length 205 [2021-11-17 08:00:57,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:00:57,103 INFO L470 AbstractCegarLoop]: Abstraction has 14459 states and 20029 transitions. [2021-11-17 08:00:57,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-17 08:00:57,104 INFO L276 IsEmpty]: Start isEmpty. Operand 14459 states and 20029 transitions. [2021-11-17 08:00:57,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-17 08:00:57,107 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:00:57,108 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:00:57,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 08:00:57,108 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 08:00:57,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:00:57,108 INFO L85 PathProgramCache]: Analyzing trace with hash 2033981501, now seen corresponding path program 1 times [2021-11-17 08:00:57,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:00:57,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166913476] [2021-11-17 08:00:57,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:00:57,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:00:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:00:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:00:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:00:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:00:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:00:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:00:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:00:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:00:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:00:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:00:57,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:00:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 08:00:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 08:00:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 08:00:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 08:00:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 08:00:57,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 08:00:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:00:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 08:00:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:00:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:57,499 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2021-11-17 08:00:57,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:00:57,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166913476] [2021-11-17 08:00:57,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166913476] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:00:57,500 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:00:57,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:00:57,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379493022] [2021-11-17 08:00:57,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:00:57,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:00:57,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:00:57,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:00:57,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:00:57,501 INFO L87 Difference]: Start difference. First operand 14459 states and 20029 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-17 08:01:00,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:01:00,178 INFO L93 Difference]: Finished difference Result 15748 states and 22060 transitions. [2021-11-17 08:01:00,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:01:00,180 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 210 [2021-11-17 08:01:00,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:01:00,236 INFO L225 Difference]: With dead ends: 15748 [2021-11-17 08:01:00,236 INFO L226 Difference]: Without dead ends: 15746 [2021-11-17 08:01:00,248 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:01:00,249 INFO L933 BasicCegarLoop]: 2532 mSDtfsCounter, 3004 mSDsluCounter, 4754 mSDsCounter, 0 mSdLazyCounter, 2402 mSolverCounterSat, 1262 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3278 SdHoareTripleChecker+Valid, 7286 SdHoareTripleChecker+Invalid, 3664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1262 IncrementalHoareTripleChecker+Valid, 2402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-17 08:01:00,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3278 Valid, 7286 Invalid, 3664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1262 Valid, 2402 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-17 08:01:00,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15746 states. [2021-11-17 08:01:00,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15746 to 14463. [2021-11-17 08:01:00,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14463 states, 10041 states have (on average 1.2738771038741161) internal successors, (12791), 10245 states have internal predecessors, (12791), 3614 states have call successors, (3614), 819 states have call predecessors, (3614), 805 states have return successors, (3627), 3509 states have call predecessors, (3627), 3610 states have call successors, (3627) [2021-11-17 08:01:00,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14463 states to 14463 states and 20032 transitions. [2021-11-17 08:01:00,837 INFO L78 Accepts]: Start accepts. Automaton has 14463 states and 20032 transitions. Word has length 210 [2021-11-17 08:01:00,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:01:00,843 INFO L470 AbstractCegarLoop]: Abstraction has 14463 states and 20032 transitions. [2021-11-17 08:01:00,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-17 08:01:00,843 INFO L276 IsEmpty]: Start isEmpty. Operand 14463 states and 20032 transitions. [2021-11-17 08:01:00,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-17 08:01:00,846 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:01:00,846 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:01:00,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 08:01:00,846 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 08:01:00,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:01:00,847 INFO L85 PathProgramCache]: Analyzing trace with hash 567579389, now seen corresponding path program 1 times [2021-11-17 08:01:00,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:01:00,847 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636472282] [2021-11-17 08:01:00,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:01:00,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:01:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:00,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:01:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:00,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:00,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:01:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:00,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:00,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:01:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:01,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:01,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:01:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:01,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:01,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:01:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:01,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:01,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:01:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:01,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:01,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:01:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:01,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:01,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:01:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:01,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:01,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:01:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:01,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:01,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:01:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:01,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:01,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:01:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:01,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:01,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 08:01:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:01,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 08:01:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:01,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 08:01:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:01,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 08:01:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:01,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 08:01:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:01,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:01,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 08:01:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:01,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:01:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:01,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 08:01:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:01,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:01:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:01,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 08:01:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:01,169 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 683 trivial. 0 not checked. [2021-11-17 08:01:01,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:01:01,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636472282] [2021-11-17 08:01:01,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636472282] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:01:01,170 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:01:01,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:01:01,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162607492] [2021-11-17 08:01:01,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:01:01,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:01:01,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:01:01,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:01:01,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:01:01,171 INFO L87 Difference]: Start difference. First operand 14463 states and 20032 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-17 08:01:03,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:01:03,901 INFO L93 Difference]: Finished difference Result 15752 states and 22063 transitions. [2021-11-17 08:01:03,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:01:03,901 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 215 [2021-11-17 08:01:03,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:01:03,972 INFO L225 Difference]: With dead ends: 15752 [2021-11-17 08:01:03,972 INFO L226 Difference]: Without dead ends: 15750 [2021-11-17 08:01:03,986 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:01:03,987 INFO L933 BasicCegarLoop]: 2528 mSDtfsCounter, 3007 mSDsluCounter, 4745 mSDsCounter, 0 mSdLazyCounter, 2402 mSolverCounterSat, 1261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3282 SdHoareTripleChecker+Valid, 7273 SdHoareTripleChecker+Invalid, 3663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1261 IncrementalHoareTripleChecker+Valid, 2402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-17 08:01:03,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3282 Valid, 7273 Invalid, 3663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1261 Valid, 2402 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-17 08:01:04,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15750 states. [2021-11-17 08:01:04,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15750 to 14467. [2021-11-17 08:01:04,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14467 states, 10044 states have (on average 1.273795300677021) internal successors, (12794), 10248 states have internal predecessors, (12794), 3614 states have call successors, (3614), 820 states have call predecessors, (3614), 806 states have return successors, (3627), 3509 states have call predecessors, (3627), 3610 states have call successors, (3627) [2021-11-17 08:01:04,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14467 states to 14467 states and 20035 transitions. [2021-11-17 08:01:04,708 INFO L78 Accepts]: Start accepts. Automaton has 14467 states and 20035 transitions. Word has length 215 [2021-11-17 08:01:04,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:01:04,709 INFO L470 AbstractCegarLoop]: Abstraction has 14467 states and 20035 transitions. [2021-11-17 08:01:04,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-17 08:01:04,710 INFO L276 IsEmpty]: Start isEmpty. Operand 14467 states and 20035 transitions. [2021-11-17 08:01:04,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-17 08:01:04,713 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:01:04,713 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 5, 5, 5, 4, 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] [2021-11-17 08:01:04,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 08:01:04,714 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 08:01:04,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:01:04,715 INFO L85 PathProgramCache]: Analyzing trace with hash 664445761, now seen corresponding path program 1 times [2021-11-17 08:01:04,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:01:04,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901801748] [2021-11-17 08:01:04,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:01:04,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:01:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:01:04,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:04,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:01:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:01:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:01:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:01:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:04,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:01:04,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:01:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:01:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:01:04,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:01:04,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:01:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:04,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 08:01:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 08:01:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 08:01:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 08:01:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 08:01:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:04,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 08:01:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:01:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 08:01:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-17 08:01:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 08:01:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-11-17 08:01:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:04,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-11-17 08:01:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:05,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:01:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:05,005 INFO L134 CoverageAnalysis]: Checked inductivity of 709 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2021-11-17 08:01:05,005 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:01:05,005 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901801748] [2021-11-17 08:01:05,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901801748] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:01:05,005 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:01:05,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 08:01:05,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902750974] [2021-11-17 08:01:05,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:01:05,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 08:01:05,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:01:05,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 08:01:05,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:01:05,007 INFO L87 Difference]: Start difference. First operand 14467 states and 20035 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-17 08:01:11,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:01:11,352 INFO L93 Difference]: Finished difference Result 44484 states and 62141 transitions. [2021-11-17 08:01:11,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 08:01:11,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 232 [2021-11-17 08:01:11,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:01:11,525 INFO L225 Difference]: With dead ends: 44484 [2021-11-17 08:01:11,528 INFO L226 Difference]: Without dead ends: 30411 [2021-11-17 08:01:11,720 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 75 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 08:01:11,721 INFO L933 BasicCegarLoop]: 3122 mSDtfsCounter, 5393 mSDsluCounter, 3237 mSDsCounter, 0 mSdLazyCounter, 3462 mSolverCounterSat, 3679 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5691 SdHoareTripleChecker+Valid, 6359 SdHoareTripleChecker+Invalid, 7141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3679 IncrementalHoareTripleChecker+Valid, 3462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2021-11-17 08:01:11,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5691 Valid, 6359 Invalid, 7141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3679 Valid, 3462 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2021-11-17 08:01:11,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30411 states. [2021-11-17 08:01:12,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30411 to 27811. [2021-11-17 08:01:12,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27811 states, 19365 states have (on average 1.2741027627162407) internal successors, (24673), 19725 states have internal predecessors, (24673), 6897 states have call successors, (6897), 1565 states have call predecessors, (6897), 1546 states have return successors, (6927), 6740 states have call predecessors, (6927), 6893 states have call successors, (6927) [2021-11-17 08:01:12,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27811 states to 27811 states and 38497 transitions. [2021-11-17 08:01:12,877 INFO L78 Accepts]: Start accepts. Automaton has 27811 states and 38497 transitions. Word has length 232 [2021-11-17 08:01:12,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:01:12,878 INFO L470 AbstractCegarLoop]: Abstraction has 27811 states and 38497 transitions. [2021-11-17 08:01:12,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-17 08:01:12,878 INFO L276 IsEmpty]: Start isEmpty. Operand 27811 states and 38497 transitions. [2021-11-17 08:01:12,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-11-17 08:01:12,882 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:01:12,882 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 5, 5, 5, 4, 3, 3, 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] [2021-11-17 08:01:12,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 08:01:12,883 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 08:01:12,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:01:12,883 INFO L85 PathProgramCache]: Analyzing trace with hash 650400426, now seen corresponding path program 1 times [2021-11-17 08:01:12,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:01:12,884 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600096964] [2021-11-17 08:01:12,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:01:12,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:01:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:12,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:01:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:12,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:12,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:01:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:12,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:01:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:01:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:01:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:01:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:01:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:01:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:01:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:01:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:01:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 08:01:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 08:01:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 08:01:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 08:01:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 08:01:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 08:01:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:01:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:01:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 08:01:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 08:01:13,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:01:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-17 08:01:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-17 08:01:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:13,192 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2021-11-17 08:01:13,192 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:01:13,192 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600096964] [2021-11-17 08:01:13,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600096964] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:01:13,193 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:01:13,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 08:01:13,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674850121] [2021-11-17 08:01:13,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:01:13,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 08:01:13,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:01:13,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 08:01:13,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:01:13,194 INFO L87 Difference]: Start difference. First operand 27811 states and 38497 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-17 08:01:20,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:01:20,027 INFO L93 Difference]: Finished difference Result 72413 states and 101019 transitions. [2021-11-17 08:01:20,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 08:01:20,028 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 231 [2021-11-17 08:01:20,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:01:20,232 INFO L225 Difference]: With dead ends: 72413 [2021-11-17 08:01:20,233 INFO L226 Difference]: Without dead ends: 44996 [2021-11-17 08:01:20,344 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 75 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 08:01:20,347 INFO L933 BasicCegarLoop]: 4600 mSDtfsCounter, 3986 mSDsluCounter, 4118 mSDsCounter, 0 mSdLazyCounter, 3700 mSolverCounterSat, 2892 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4286 SdHoareTripleChecker+Valid, 8718 SdHoareTripleChecker+Invalid, 6592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2892 IncrementalHoareTripleChecker+Valid, 3700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-11-17 08:01:20,347 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4286 Valid, 8718 Invalid, 6592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2892 Valid, 3700 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-11-17 08:01:20,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44996 states. [2021-11-17 08:01:21,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44996 to 41143. [2021-11-17 08:01:21,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41143 states, 28674 states have (on average 1.2743251726302574) internal successors, (36540), 29190 states have internal predecessors, (36540), 10180 states have call successors, (10180), 2310 states have call predecessors, (10180), 2286 states have return successors, (10227), 9971 states have call predecessors, (10227), 10176 states have call successors, (10227) [2021-11-17 08:01:22,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41143 states to 41143 states and 56947 transitions. [2021-11-17 08:01:22,189 INFO L78 Accepts]: Start accepts. Automaton has 41143 states and 56947 transitions. Word has length 231 [2021-11-17 08:01:22,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:01:22,190 INFO L470 AbstractCegarLoop]: Abstraction has 41143 states and 56947 transitions. [2021-11-17 08:01:22,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-17 08:01:22,190 INFO L276 IsEmpty]: Start isEmpty. Operand 41143 states and 56947 transitions. [2021-11-17 08:01:22,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-17 08:01:22,194 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:01:22,195 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:01:22,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 08:01:22,195 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 08:01:22,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:01:22,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1892161539, now seen corresponding path program 1 times [2021-11-17 08:01:22,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:01:22,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981095400] [2021-11-17 08:01:22,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:01:22,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:01:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:01:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:01:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:01:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:01:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:01:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:01:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:01:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:22,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:01:22,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:01:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:01:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:01:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 08:01:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 08:01:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 08:01:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 08:01:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 08:01:22,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 08:01:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:01:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 08:01:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:01:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 08:01:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-17 08:01:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:22,496 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2021-11-17 08:01:22,496 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:01:22,496 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981095400] [2021-11-17 08:01:22,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981095400] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:01:22,497 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:01:22,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:01:22,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655444501] [2021-11-17 08:01:22,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:01:22,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:01:22,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:01:22,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:01:22,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:01:22,499 INFO L87 Difference]: Start difference. First operand 41143 states and 56947 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 08:01:26,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:01:26,195 INFO L93 Difference]: Finished difference Result 44998 states and 63008 transitions. [2021-11-17 08:01:26,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:01:26,196 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 220 [2021-11-17 08:01:26,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:01:26,528 INFO L225 Difference]: With dead ends: 44998 [2021-11-17 08:01:26,528 INFO L226 Difference]: Without dead ends: 44996 [2021-11-17 08:01:26,549 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 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 08:01:26,549 INFO L933 BasicCegarLoop]: 2541 mSDtfsCounter, 2999 mSDsluCounter, 4771 mSDsCounter, 0 mSdLazyCounter, 2402 mSolverCounterSat, 1250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3274 SdHoareTripleChecker+Valid, 7312 SdHoareTripleChecker+Invalid, 3652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1250 IncrementalHoareTripleChecker+Valid, 2402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-17 08:01:26,549 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3274 Valid, 7312 Invalid, 3652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1250 Valid, 2402 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-17 08:01:26,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44996 states. [2021-11-17 08:01:27,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44996 to 41147. [2021-11-17 08:01:28,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41147 states, 28677 states have (on average 1.274296474526624) internal successors, (36543), 29193 states have internal predecessors, (36543), 10180 states have call successors, (10180), 2311 states have call predecessors, (10180), 2287 states have return successors, (10227), 9971 states have call predecessors, (10227), 10176 states have call successors, (10227) [2021-11-17 08:01:28,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41147 states to 41147 states and 56950 transitions. [2021-11-17 08:01:28,234 INFO L78 Accepts]: Start accepts. Automaton has 41147 states and 56950 transitions. Word has length 220 [2021-11-17 08:01:28,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:01:28,235 INFO L470 AbstractCegarLoop]: Abstraction has 41147 states and 56950 transitions. [2021-11-17 08:01:28,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 08:01:28,235 INFO L276 IsEmpty]: Start isEmpty. Operand 41147 states and 56950 transitions. [2021-11-17 08:01:28,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-17 08:01:28,239 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:01:28,239 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:01:28,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 08:01:28,239 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 08:01:28,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:01:28,240 INFO L85 PathProgramCache]: Analyzing trace with hash 331270845, now seen corresponding path program 1 times [2021-11-17 08:01:28,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:01:28,240 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942374834] [2021-11-17 08:01:28,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:01:28,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:01:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:01:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:01:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:01:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:01:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:01:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:01:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:01:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:01:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:01:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:01:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:01:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 08:01:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 08:01:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 08:01:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 08:01:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 08:01:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 08:01:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:01:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 08:01:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:01:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 08:01:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-17 08:01:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-17 08:01:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:28,773 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2021-11-17 08:01:28,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:01:28,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942374834] [2021-11-17 08:01:28,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942374834] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:01:28,774 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:01:28,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:01:28,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771703102] [2021-11-17 08:01:28,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:01:28,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:01:28,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:01:28,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:01:28,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:01:28,777 INFO L87 Difference]: Start difference. First operand 41147 states and 56950 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-17 08:01:32,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:01:32,544 INFO L93 Difference]: Finished difference Result 45002 states and 63011 transitions. [2021-11-17 08:01:32,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:01:32,545 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 225 [2021-11-17 08:01:32,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:01:32,785 INFO L225 Difference]: With dead ends: 45002 [2021-11-17 08:01:32,785 INFO L226 Difference]: Without dead ends: 45000 [2021-11-17 08:01:32,830 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 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 08:01:32,833 INFO L933 BasicCegarLoop]: 2539 mSDtfsCounter, 2995 mSDsluCounter, 4768 mSDsCounter, 0 mSdLazyCounter, 2405 mSolverCounterSat, 1262 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3269 SdHoareTripleChecker+Valid, 7307 SdHoareTripleChecker+Invalid, 3667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1262 IncrementalHoareTripleChecker+Valid, 2405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-17 08:01:32,833 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3269 Valid, 7307 Invalid, 3667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1262 Valid, 2405 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-17 08:01:32,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45000 states. [2021-11-17 08:01:34,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45000 to 41151. [2021-11-17 08:01:34,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41151 states, 28680 states have (on average 1.2742677824267783) internal successors, (36546), 29196 states have internal predecessors, (36546), 10180 states have call successors, (10180), 2312 states have call predecessors, (10180), 2288 states have return successors, (10227), 9971 states have call predecessors, (10227), 10176 states have call successors, (10227) [2021-11-17 08:01:34,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41151 states to 41151 states and 56953 transitions. [2021-11-17 08:01:34,720 INFO L78 Accepts]: Start accepts. Automaton has 41151 states and 56953 transitions. Word has length 225 [2021-11-17 08:01:34,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:01:34,721 INFO L470 AbstractCegarLoop]: Abstraction has 41151 states and 56953 transitions. [2021-11-17 08:01:34,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-17 08:01:34,721 INFO L276 IsEmpty]: Start isEmpty. Operand 41151 states and 56953 transitions. [2021-11-17 08:01:34,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-11-17 08:01:34,725 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:01:34,725 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:01:34,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-17 08:01:34,725 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 08:01:34,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:01:34,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1643427773, now seen corresponding path program 1 times [2021-11-17 08:01:34,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:01:34,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089044056] [2021-11-17 08:01:34,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:01:34,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:01:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:34,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:01:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:34,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:34,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:01:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:34,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:34,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:01:34,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:34,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:34,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:34,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:01:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:34,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:34,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:01:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:34,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:34,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:01:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:34,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:34,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:01:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:34,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:34,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:01:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:34,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:34,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:01:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:34,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:34,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:01:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:34,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:34,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:34,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:01:34,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:34,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:34,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 08:01:34,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:34,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 08:01:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:34,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 08:01:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:34,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 08:01:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:34,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 08:01:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:35,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:35,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 08:01:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:35,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:01:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:35,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 08:01:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:35,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:01:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:35,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 08:01:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:35,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-17 08:01:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:35,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-17 08:01:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:35,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-11-17 08:01:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:35,052 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 719 trivial. 0 not checked. [2021-11-17 08:01:35,053 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:01:35,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089044056] [2021-11-17 08:01:35,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089044056] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:01:35,053 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:01:35,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:01:35,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857755453] [2021-11-17 08:01:35,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:01:35,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:01:35,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:01:35,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:01:35,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:01:35,054 INFO L87 Difference]: Start difference. First operand 41151 states and 56953 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-17 08:01:39,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:01:39,135 INFO L93 Difference]: Finished difference Result 45006 states and 63014 transitions. [2021-11-17 08:01:39,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:01:39,136 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 230 [2021-11-17 08:01:39,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:01:39,324 INFO L225 Difference]: With dead ends: 45006 [2021-11-17 08:01:39,324 INFO L226 Difference]: Without dead ends: 45004 [2021-11-17 08:01:39,361 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 73 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 08:01:39,362 INFO L933 BasicCegarLoop]: 2544 mSDtfsCounter, 2993 mSDsluCounter, 4778 mSDsCounter, 0 mSdLazyCounter, 2405 mSolverCounterSat, 1255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3267 SdHoareTripleChecker+Valid, 7322 SdHoareTripleChecker+Invalid, 3660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1255 IncrementalHoareTripleChecker+Valid, 2405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-17 08:01:39,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3267 Valid, 7322 Invalid, 3660 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1255 Valid, 2405 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-17 08:01:39,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45004 states. [2021-11-17 08:01:41,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45004 to 41155. [2021-11-17 08:01:41,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41155 states, 28683 states have (on average 1.274239096328836) internal successors, (36549), 29199 states have internal predecessors, (36549), 10180 states have call successors, (10180), 2313 states have call predecessors, (10180), 2289 states have return successors, (10227), 9971 states have call predecessors, (10227), 10176 states have call successors, (10227) [2021-11-17 08:01:41,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41155 states to 41155 states and 56956 transitions. [2021-11-17 08:01:41,268 INFO L78 Accepts]: Start accepts. Automaton has 41155 states and 56956 transitions. Word has length 230 [2021-11-17 08:01:41,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:01:41,269 INFO L470 AbstractCegarLoop]: Abstraction has 41155 states and 56956 transitions. [2021-11-17 08:01:41,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-17 08:01:41,269 INFO L276 IsEmpty]: Start isEmpty. Operand 41155 states and 56956 transitions. [2021-11-17 08:01:41,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-11-17 08:01:41,283 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:01:41,283 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 7, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:01:41,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-17 08:01:41,283 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 08:01:41,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:01:41,284 INFO L85 PathProgramCache]: Analyzing trace with hash 428343933, now seen corresponding path program 1 times [2021-11-17 08:01:41,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:01:41,284 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227761248] [2021-11-17 08:01:41,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:01:41,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:01:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:01:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:01:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:01:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:41,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:01:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:01:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:01:41,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:01:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:01:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:01:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:01:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:01:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 08:01:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 08:01:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 08:01:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 08:01:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 08:01:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 08:01:41,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:01:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 08:01:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:01:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 08:01:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-17 08:01:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-17 08:01:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-11-17 08:01:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 08:01:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:41,635 INFO L134 CoverageAnalysis]: Checked inductivity of 751 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 739 trivial. 0 not checked. [2021-11-17 08:01:41,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:01:41,639 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227761248] [2021-11-17 08:01:41,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227761248] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:01:41,639 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:01:41,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:01:41,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330047915] [2021-11-17 08:01:41,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:01:41,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:01:41,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:01:41,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:01:41,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:01:41,640 INFO L87 Difference]: Start difference. First operand 41155 states and 56956 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-17 08:01:45,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:01:45,900 INFO L93 Difference]: Finished difference Result 46978 states and 64946 transitions. [2021-11-17 08:01:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 08:01:45,901 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 235 [2021-11-17 08:01:45,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:01:46,099 INFO L225 Difference]: With dead ends: 46978 [2021-11-17 08:01:46,100 INFO L226 Difference]: Without dead ends: 46976 [2021-11-17 08:01:46,130 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 75 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 08:01:46,130 INFO L933 BasicCegarLoop]: 2623 mSDtfsCounter, 2703 mSDsluCounter, 5129 mSDsCounter, 0 mSdLazyCounter, 2753 mSolverCounterSat, 1177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2986 SdHoareTripleChecker+Valid, 7752 SdHoareTripleChecker+Invalid, 3930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1177 IncrementalHoareTripleChecker+Valid, 2753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-17 08:01:46,131 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2986 Valid, 7752 Invalid, 3930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1177 Valid, 2753 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-17 08:01:46,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46976 states. [2021-11-17 08:01:47,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46976 to 43037. [2021-11-17 08:01:47,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43037 states, 29970 states have (on average 1.266066066066066) internal successors, (37944), 30498 states have internal predecessors, (37944), 10390 states have call successors, (10390), 2698 states have call predecessors, (10390), 2674 states have return successors, (10437), 10181 states have call predecessors, (10437), 10386 states have call successors, (10437) [2021-11-17 08:01:48,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43037 states to 43037 states and 58771 transitions. [2021-11-17 08:01:48,100 INFO L78 Accepts]: Start accepts. Automaton has 43037 states and 58771 transitions. Word has length 235 [2021-11-17 08:01:48,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:01:48,101 INFO L470 AbstractCegarLoop]: Abstraction has 43037 states and 58771 transitions. [2021-11-17 08:01:48,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-17 08:01:48,101 INFO L276 IsEmpty]: Start isEmpty. Operand 43037 states and 58771 transitions. [2021-11-17 08:01:48,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-11-17 08:01:48,107 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:01:48,108 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 8, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:01:48,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-17 08:01:48,108 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 08:01:48,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:01:48,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1271756931, now seen corresponding path program 1 times [2021-11-17 08:01:48,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:01:48,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545231708] [2021-11-17 08:01:48,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:01:48,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:01:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:01:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:01:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:01:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:01:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:01:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:01:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:01:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:01:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:01:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:01:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:01:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 08:01:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 08:01:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 08:01:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 08:01:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 08:01:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 08:01:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:01:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 08:01:48,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:01:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 08:01:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-17 08:01:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-17 08:01:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-11-17 08:01:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 08:01:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-17 08:01:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:48,379 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2021-11-17 08:01:48,379 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:01:48,379 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545231708] [2021-11-17 08:01:48,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545231708] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:01:48,380 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:01:48,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:01:48,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853499947] [2021-11-17 08:01:48,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:01:48,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:01:48,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:01:48,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:01:48,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:01:48,381 INFO L87 Difference]: Start difference. First operand 43037 states and 58771 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 08:01:52,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:01:52,421 INFO L93 Difference]: Finished difference Result 46982 states and 64949 transitions. [2021-11-17 08:01:52,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:01:52,422 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 240 [2021-11-17 08:01:52,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:01:52,560 INFO L225 Difference]: With dead ends: 46982 [2021-11-17 08:01:52,560 INFO L226 Difference]: Without dead ends: 46980 [2021-11-17 08:01:52,579 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 77 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 08:01:52,580 INFO L933 BasicCegarLoop]: 2555 mSDtfsCounter, 2986 mSDsluCounter, 4800 mSDsCounter, 0 mSdLazyCounter, 2405 mSolverCounterSat, 1245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3260 SdHoareTripleChecker+Valid, 7355 SdHoareTripleChecker+Invalid, 3650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1245 IncrementalHoareTripleChecker+Valid, 2405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-17 08:01:52,580 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3260 Valid, 7355 Invalid, 3650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1245 Valid, 2405 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-17 08:01:52,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46980 states. [2021-11-17 08:01:54,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46980 to 43041. [2021-11-17 08:01:54,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43041 states, 29973 states have (on average 1.2660394354919426) internal successors, (37947), 30501 states have internal predecessors, (37947), 10390 states have call successors, (10390), 2699 states have call predecessors, (10390), 2675 states have return successors, (10437), 10181 states have call predecessors, (10437), 10386 states have call successors, (10437) [2021-11-17 08:01:54,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43041 states to 43041 states and 58774 transitions. [2021-11-17 08:01:54,544 INFO L78 Accepts]: Start accepts. Automaton has 43041 states and 58774 transitions. Word has length 240 [2021-11-17 08:01:54,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:01:54,544 INFO L470 AbstractCegarLoop]: Abstraction has 43041 states and 58774 transitions. [2021-11-17 08:01:54,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 08:01:54,544 INFO L276 IsEmpty]: Start isEmpty. Operand 43041 states and 58774 transitions. [2021-11-17 08:01:54,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-11-17 08:01:54,550 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:01:54,550 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 9, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:01:54,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-17 08:01:54,551 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 08:01:54,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:01:54,551 INFO L85 PathProgramCache]: Analyzing trace with hash 678443581, now seen corresponding path program 1 times [2021-11-17 08:01:54,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:01:54,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672019922] [2021-11-17 08:01:54,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:01:54,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:01:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:01:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:01:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:01:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:01:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:01:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:01:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:01:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:01:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:01:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:01:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:01:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 08:01:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 08:01:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 08:01:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 08:01:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 08:01:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 08:01:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:01:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 08:01:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:01:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 08:01:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-17 08:01:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-17 08:01:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-11-17 08:01:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 08:01:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-17 08:01:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-17 08:01:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:54,919 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 791 trivial. 0 not checked. [2021-11-17 08:01:54,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:01:54,920 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672019922] [2021-11-17 08:01:54,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672019922] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:01:54,920 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:01:54,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:01:54,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669119094] [2021-11-17 08:01:54,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:01:54,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:01:54,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:01:54,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:01:54,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:01:54,922 INFO L87 Difference]: Start difference. First operand 43041 states and 58774 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-17 08:01:58,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:01:58,942 INFO L93 Difference]: Finished difference Result 46986 states and 64952 transitions. [2021-11-17 08:01:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:01:58,943 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 245 [2021-11-17 08:01:58,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:01:59,090 INFO L225 Difference]: With dead ends: 46986 [2021-11-17 08:01:59,090 INFO L226 Difference]: Without dead ends: 46984 [2021-11-17 08:01:59,115 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 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 08:01:59,115 INFO L933 BasicCegarLoop]: 2541 mSDtfsCounter, 2994 mSDsluCounter, 4771 mSDsCounter, 0 mSdLazyCounter, 2405 mSolverCounterSat, 1254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3269 SdHoareTripleChecker+Valid, 7312 SdHoareTripleChecker+Invalid, 3659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1254 IncrementalHoareTripleChecker+Valid, 2405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-17 08:01:59,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3269 Valid, 7312 Invalid, 3659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1254 Valid, 2405 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-17 08:01:59,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46984 states. [2021-11-17 08:02:00,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46984 to 43045. [2021-11-17 08:02:01,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43045 states, 29976 states have (on average 1.2660128102481985) internal successors, (37950), 30504 states have internal predecessors, (37950), 10390 states have call successors, (10390), 2700 states have call predecessors, (10390), 2676 states have return successors, (10437), 10181 states have call predecessors, (10437), 10386 states have call successors, (10437) [2021-11-17 08:02:01,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43045 states to 43045 states and 58777 transitions. [2021-11-17 08:02:01,239 INFO L78 Accepts]: Start accepts. Automaton has 43045 states and 58777 transitions. Word has length 245 [2021-11-17 08:02:01,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:02:01,240 INFO L470 AbstractCegarLoop]: Abstraction has 43045 states and 58777 transitions. [2021-11-17 08:02:01,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-17 08:02:01,240 INFO L276 IsEmpty]: Start isEmpty. Operand 43045 states and 58777 transitions. [2021-11-17 08:02:01,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-17 08:02:01,246 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:02:01,246 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 10, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:02:01,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-17 08:02:01,247 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 08:02:01,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:02:01,247 INFO L85 PathProgramCache]: Analyzing trace with hash -659466435, now seen corresponding path program 1 times [2021-11-17 08:02:01,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:02:01,247 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000634532] [2021-11-17 08:02:01,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:02:01,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:02:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:02:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:02:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:02:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:02:01,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:02:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:02:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:02:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:02:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:02:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:02:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:02:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 08:02:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 08:02:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 08:02:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 08:02:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 08:02:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 08:02:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:02:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 08:02:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:02:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 08:02:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-17 08:02:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-17 08:02:01,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-11-17 08:02:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 08:02:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-17 08:02:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-17 08:02:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 08:02:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:01,577 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 823 trivial. 0 not checked. [2021-11-17 08:02:01,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:02:01,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000634532] [2021-11-17 08:02:01,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000634532] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:02:01,579 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:02:01,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:02:01,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567443621] [2021-11-17 08:02:01,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:02:01,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:02:01,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:02:01,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:02:01,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:02:01,581 INFO L87 Difference]: Start difference. First operand 43045 states and 58777 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (31), 4 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 08:02:05,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:02:05,713 INFO L93 Difference]: Finished difference Result 46990 states and 64955 transitions. [2021-11-17 08:02:05,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:02:05,714 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (31), 4 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 250 [2021-11-17 08:02:05,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:02:05,864 INFO L225 Difference]: With dead ends: 46990 [2021-11-17 08:02:05,864 INFO L226 Difference]: Without dead ends: 46988 [2021-11-17 08:02:05,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 81 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 08:02:05,888 INFO L933 BasicCegarLoop]: 2535 mSDtfsCounter, 3001 mSDsluCounter, 4758 mSDsCounter, 0 mSdLazyCounter, 2402 mSolverCounterSat, 1250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3277 SdHoareTripleChecker+Valid, 7293 SdHoareTripleChecker+Invalid, 3652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1250 IncrementalHoareTripleChecker+Valid, 2402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-17 08:02:05,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3277 Valid, 7293 Invalid, 3652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1250 Valid, 2402 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-17 08:02:05,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46988 states. [2021-11-17 08:02:07,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46988 to 43049. [2021-11-17 08:02:07,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43049 states, 29979 states have (on average 1.2659861903332332) internal successors, (37953), 30507 states have internal predecessors, (37953), 10390 states have call successors, (10390), 2701 states have call predecessors, (10390), 2677 states have return successors, (10437), 10181 states have call predecessors, (10437), 10386 states have call successors, (10437) [2021-11-17 08:02:08,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43049 states to 43049 states and 58780 transitions. [2021-11-17 08:02:08,017 INFO L78 Accepts]: Start accepts. Automaton has 43049 states and 58780 transitions. Word has length 250 [2021-11-17 08:02:08,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:02:08,017 INFO L470 AbstractCegarLoop]: Abstraction has 43049 states and 58780 transitions. [2021-11-17 08:02:08,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (31), 4 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 08:02:08,017 INFO L276 IsEmpty]: Start isEmpty. Operand 43049 states and 58780 transitions. [2021-11-17 08:02:08,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-11-17 08:02:08,023 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:02:08,024 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 11, 10, 10, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:02:08,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-17 08:02:08,024 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 08:02:08,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:02:08,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1514704387, now seen corresponding path program 1 times [2021-11-17 08:02:08,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:02:08,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441794962] [2021-11-17 08:02:08,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:02:08,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:02:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:02:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:02:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:02:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:02:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:02:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:02:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:02:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:02:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:02:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:02:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:02:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 08:02:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 08:02:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 08:02:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 08:02:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 08:02:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 08:02:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:02:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 08:02:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:02:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 08:02:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-17 08:02:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-17 08:02:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-11-17 08:02:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 08:02:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-17 08:02:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-17 08:02:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 08:02:08,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 08:02:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:08,307 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 859 trivial. 0 not checked. [2021-11-17 08:02:08,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:02:08,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441794962] [2021-11-17 08:02:08,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441794962] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:02:08,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:02:08,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:02:08,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889318287] [2021-11-17 08:02:08,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:02:08,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:02:08,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:02:08,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:02:08,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:02:08,309 INFO L87 Difference]: Start difference. First operand 43049 states and 58780 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30)