./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.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 bf04605b927a140287b1c754ad26365df4778b673325ded7dfdba05deed83fbc --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 14:59:21,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:59:21,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:59:21,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:59:21,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:59:21,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:59:21,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:59:21,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:59:21,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:59:21,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:59:21,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:59:21,585 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:59:21,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:59:21,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:59:21,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:59:21,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:59:21,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:59:21,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:59:21,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:59:21,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:59:21,598 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:59:21,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:59:21,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:59:21,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:59:21,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:59:21,606 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:59:21,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:59:21,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:59:21,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:59:21,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:59:21,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:59:21,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:59:21,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:59:21,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:59:21,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:59:21,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:59:21,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:59:21,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:59:21,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:59:21,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:59:21,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:59:21,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:59:21,621 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 14:59:21,646 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:59:21,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:59:21,647 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:59:21,647 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:59:21,647 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:59:21,648 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:59:21,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:59:21,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:59:21,648 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:59:21,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:59:21,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 14:59:21,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:59:21,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:59:21,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:59:21,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:59:21,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:59:21,658 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:59:21,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:59:21,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:59:21,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:59:21,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:59:21,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:59:21,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:59:21,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:59:21,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:59:21,660 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 14:59:21,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 14:59:21,660 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:59:21,660 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:59:21,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:59:21,661 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf04605b927a140287b1c754ad26365df4778b673325ded7dfdba05deed83fbc [2022-07-21 14:59:21,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:59:21,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:59:21,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:59:21,899 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:59:21,900 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:59:21,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-07-21 14:59:21,945 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bc691d2d/1758ddc411ce4624a526524dbc22ff60/FLAG75a4e6152 [2022-07-21 14:59:22,627 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:59:22,628 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-07-21 14:59:22,683 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bc691d2d/1758ddc411ce4624a526524dbc22ff60/FLAG75a4e6152 [2022-07-21 14:59:22,733 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bc691d2d/1758ddc411ce4624a526524dbc22ff60 [2022-07-21 14:59:22,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:59:22,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:59:22,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:59:22,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:59:22,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:59:22,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:59:22" (1/1) ... [2022-07-21 14:59:22,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@763bc111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:22, skipping insertion in model container [2022-07-21 14:59:22,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:59:22" (1/1) ... [2022-07-21 14:59:22,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:59:22,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:59:24,972 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422318,422331] [2022-07-21 14:59:24,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422487,422500] [2022-07-21 14:59:24,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422654,422667] [2022-07-21 14:59:24,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422822,422835] [2022-07-21 14:59:25,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:59:25,053 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:59:25,365 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422318,422331] [2022-07-21 14:59:25,365 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422487,422500] [2022-07-21 14:59:25,366 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422654,422667] [2022-07-21 14:59:25,366 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422822,422835] [2022-07-21 14:59:25,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:59:25,583 INFO L208 MainTranslator]: Completed translation [2022-07-21 14:59:25,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:25 WrapperNode [2022-07-21 14:59:25,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 14:59:25,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 14:59:25,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 14:59:25,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 14:59:25,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:25" (1/1) ... [2022-07-21 14:59:25,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:25" (1/1) ... [2022-07-21 14:59:25,892 INFO L137 Inliner]: procedures = 559, calls = 2869, calls flagged for inlining = 295, calls inlined = 261, statements flattened = 7591 [2022-07-21 14:59:25,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 14:59:25,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 14:59:25,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 14:59:25,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 14:59:25,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:25" (1/1) ... [2022-07-21 14:59:25,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:25" (1/1) ... [2022-07-21 14:59:25,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:25" (1/1) ... [2022-07-21 14:59:25,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:25" (1/1) ... [2022-07-21 14:59:26,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:25" (1/1) ... [2022-07-21 14:59:26,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:25" (1/1) ... [2022-07-21 14:59:26,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:25" (1/1) ... [2022-07-21 14:59:26,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 14:59:26,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 14:59:26,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 14:59:26,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 14:59:26,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:25" (1/1) ... [2022-07-21 14:59:26,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:59:26,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:59:26,201 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 14:59:26,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 14:59:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-07-21 14:59:26,231 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-07-21 14:59:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 14:59:26,231 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 14:59:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-21 14:59:26,232 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-21 14:59:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 14:59:26,232 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 14:59:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 14:59:26,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 14:59:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-21 14:59:26,232 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-21 14:59:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-21 14:59:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-21 14:59:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 14:59:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 14:59:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 14:59:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 14:59:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_63 [2022-07-21 14:59:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_63 [2022-07-21 14:59:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2022-07-21 14:59:26,234 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2022-07-21 14:59:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-21 14:59:26,234 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-21 14:59:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 14:59:26,234 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 14:59:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 14:59:26,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 14:59:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 14:59:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 14:59:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 14:59:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 14:59:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 14:59:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 14:59:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-21 14:59:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-21 14:59:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 14:59:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2022-07-21 14:59:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2022-07-21 14:59:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 14:59:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 14:59:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 14:59:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 14:59:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 14:59:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2022-07-21 14:59:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2022-07-21 14:59:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 14:59:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 14:59:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-21 14:59:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-21 14:59:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 14:59:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 14:59:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 14:59:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2022-07-21 14:59:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2022-07-21 14:59:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 14:59:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 14:59:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 14:59:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 14:59:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 14:59:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2022-07-21 14:59:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2022-07-21 14:59:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-21 14:59:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-21 14:59:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 14:59:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 14:59:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 14:59:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 14:59:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-21 14:59:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-21 14:59:26,240 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 14:59:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 14:59:26,240 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2022-07-21 14:59:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2022-07-21 14:59:26,240 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-21 14:59:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-21 14:59:26,240 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2022-07-21 14:59:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2022-07-21 14:59:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-21 14:59:26,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-21 14:59:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 14:59:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 14:59:26,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 14:59:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 14:59:26,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 14:59:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-07-21 14:59:26,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-07-21 14:59:26,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-21 14:59:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-21 14:59:26,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-21 14:59:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-21 14:59:26,242 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2022-07-21 14:59:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2022-07-21 14:59:26,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 14:59:26,242 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-21 14:59:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-21 14:59:26,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 14:59:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 14:59:26,243 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 14:59:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 14:59:26,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 14:59:26,243 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 14:59:26,243 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:59:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:59:26,244 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2022-07-21 14:59:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2022-07-21 14:59:26,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_pcnet32_private [2022-07-21 14:59:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_pcnet32_private [2022-07-21 14:59:26,244 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-21 14:59:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-21 14:59:26,244 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2022-07-21 14:59:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2022-07-21 14:59:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-21 14:59:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-21 14:59:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-21 14:59:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-21 14:59:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 14:59:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 14:59:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-21 14:59:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-21 14:59:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 14:59:26,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 14:59:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2022-07-21 14:59:26,246 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2022-07-21 14:59:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-07-21 14:59:26,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-07-21 14:59:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 14:59:26,246 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 14:59:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2022-07-21 14:59:26,247 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2022-07-21 14:59:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-21 14:59:26,247 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-21 14:59:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 14:59:26,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 14:59:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 14:59:26,247 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 14:59:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 14:59:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 14:59:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 14:59:26,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 14:59:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2022-07-21 14:59:26,248 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2022-07-21 14:59:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-21 14:59:26,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-21 14:59:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2022-07-21 14:59:26,248 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2022-07-21 14:59:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_regs_len [2022-07-21 14:59:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_regs_len [2022-07-21 14:59:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-21 14:59:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-21 14:59:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-21 14:59:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2022-07-21 14:59:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2022-07-21 14:59:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2022-07-21 14:59:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2022-07-21 14:59:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-21 14:59:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-21 14:59:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 14:59:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 14:59:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-21 14:59:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-21 14:59:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 14:59:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 14:59:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-21 14:59:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-21 14:59:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2022-07-21 14:59:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2022-07-21 14:59:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2022-07-21 14:59:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2022-07-21 14:59:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2022-07-21 14:59:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2022-07-21 14:59:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2022-07-21 14:59:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2022-07-21 14:59:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 14:59:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 14:59:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 14:59:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2022-07-21 14:59:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2022-07-21 14:59:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 14:59:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 14:59:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 14:59:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_pcnet32_private [2022-07-21 14:59:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_pcnet32_private [2022-07-21 14:59:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 14:59:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2022-07-21 14:59:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2022-07-21 14:59:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2022-07-21 14:59:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2022-07-21 14:59:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-07-21 14:59:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-07-21 14:59:26,254 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 14:59:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 14:59:26,254 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2022-07-21 14:59:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2022-07-21 14:59:26,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 14:59:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 14:59:26,254 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2022-07-21 14:59:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2022-07-21 14:59:26,255 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-21 14:59:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-21 14:59:26,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-21 14:59:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-21 14:59:26,255 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2022-07-21 14:59:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2022-07-21 14:59:26,255 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2022-07-21 14:59:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2022-07-21 14:59:26,255 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2022-07-21 14:59:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2022-07-21 14:59:26,256 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2022-07-21 14:59:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2022-07-21 14:59:26,256 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-21 14:59:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-21 14:59:26,256 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-21 14:59:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-21 14:59:26,256 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 14:59:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 14:59:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2022-07-21 14:59:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2022-07-21 14:59:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 14:59:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 14:59:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2022-07-21 14:59:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2022-07-21 14:59:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2022-07-21 14:59:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2022-07-21 14:59:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-21 14:59:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-21 14:59:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 14:59:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 14:59:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 14:59:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2022-07-21 14:59:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2022-07-21 14:59:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 14:59:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 14:59:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 14:59:26,259 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 14:59:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-21 14:59:26,259 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-21 14:59:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2022-07-21 14:59:26,259 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2022-07-21 14:59:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2022-07-21 14:59:26,259 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2022-07-21 14:59:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-21 14:59:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-21 14:59:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_nway_reset [2022-07-21 14:59:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_nway_reset [2022-07-21 14:59:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 14:59:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 14:59:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-21 14:59:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-21 14:59:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 14:59:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 14:59:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-21 14:59:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-21 14:59:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-21 14:59:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-21 14:59:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 14:59:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-21 14:59:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-21 14:59:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-07-21 14:59:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-07-21 14:59:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 14:59:26,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 14:59:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-21 14:59:26,262 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-21 14:59:27,152 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 14:59:27,155 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 14:59:27,385 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 14:59:34,339 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 14:59:34,425 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 14:59:34,441 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 14:59:34,441 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-07-21 14:59:34,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:59:34 BoogieIcfgContainer [2022-07-21 14:59:34,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 14:59:34,445 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 14:59:34,445 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 14:59:34,447 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 14:59:34,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:59:22" (1/3) ... [2022-07-21 14:59:34,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72796a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:59:34, skipping insertion in model container [2022-07-21 14:59:34,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:25" (2/3) ... [2022-07-21 14:59:34,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72796a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:59:34, skipping insertion in model container [2022-07-21 14:59:34,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:59:34" (3/3) ... [2022-07-21 14:59:34,449 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-07-21 14:59:34,458 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 14:59:34,458 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-21 14:59:34,538 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 14:59:34,543 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2ef8b805, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@378001f5 [2022-07-21 14:59:34,543 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-21 14:59:34,555 INFO L276 IsEmpty]: Start isEmpty. Operand has 2763 states, 1948 states have (on average 1.3275154004106777) internal successors, (2586), 1990 states have internal predecessors, (2586), 692 states have call successors, (692), 123 states have call predecessors, (692), 122 states have return successors, (684), 671 states have call predecessors, (684), 684 states have call successors, (684) [2022-07-21 14:59:34,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-07-21 14:59:34,572 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:59:34,572 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:59:34,573 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 14:59:34,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:59:34,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1141530011, now seen corresponding path program 1 times [2022-07-21 14:59:34,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:59:34,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596968340] [2022-07-21 14:59:34,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:59:34,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:59:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:59:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:59:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:59:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:59:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:59:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:59:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:59:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:59:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:59:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:59:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:59:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:59:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:59:35,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 14:59:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-21 14:59:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,378 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-21 14:59:35,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:59:35,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596968340] [2022-07-21 14:59:35,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596968340] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:59:35,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:59:35,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:59:35,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150348857] [2022-07-21 14:59:35,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:59:35,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:59:35,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:59:35,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:59:35,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:59:35,417 INFO L87 Difference]: Start difference. First operand has 2763 states, 1948 states have (on average 1.3275154004106777) internal successors, (2586), 1990 states have internal predecessors, (2586), 692 states have call successors, (692), 123 states have call predecessors, (692), 122 states have return successors, (684), 671 states have call predecessors, (684), 684 states have call successors, (684) Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-21 14:59:40,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:59:40,526 INFO L93 Difference]: Finished difference Result 8177 states and 12027 transitions. [2022-07-21 14:59:40,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:59:40,532 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 171 [2022-07-21 14:59:40,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:59:40,571 INFO L225 Difference]: With dead ends: 8177 [2022-07-21 14:59:40,571 INFO L226 Difference]: Without dead ends: 5433 [2022-07-21 14:59:40,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:59:40,590 INFO L413 NwaCegarLoop]: 4079 mSDtfsCounter, 4641 mSDsluCounter, 3889 mSDsCounter, 0 mSdLazyCounter, 2964 mSolverCounterSat, 1952 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5256 SdHoareTripleChecker+Valid, 7968 SdHoareTripleChecker+Invalid, 4916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1952 IncrementalHoareTripleChecker+Valid, 2964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-07-21 14:59:40,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5256 Valid, 7968 Invalid, 4916 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1952 Valid, 2964 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-07-21 14:59:40,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5433 states. [2022-07-21 14:59:40,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5433 to 5277. [2022-07-21 14:59:40,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5277 states, 3730 states have (on average 1.2916890080428955) internal successors, (4818), 3807 states have internal predecessors, (4818), 1304 states have call successors, (1304), 241 states have call predecessors, (1304), 240 states have return successors, (1300), 1275 states have call predecessors, (1300), 1300 states have call successors, (1300) [2022-07-21 14:59:40,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5277 states to 5277 states and 7422 transitions. [2022-07-21 14:59:40,845 INFO L78 Accepts]: Start accepts. Automaton has 5277 states and 7422 transitions. Word has length 171 [2022-07-21 14:59:40,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:59:40,847 INFO L495 AbstractCegarLoop]: Abstraction has 5277 states and 7422 transitions. [2022-07-21 14:59:40,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-21 14:59:40,848 INFO L276 IsEmpty]: Start isEmpty. Operand 5277 states and 7422 transitions. [2022-07-21 14:59:40,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-07-21 14:59:40,854 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:59:40,854 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:59:40,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 14:59:40,855 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 14:59:40,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:59:40,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1213757508, now seen corresponding path program 1 times [2022-07-21 14:59:40,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:59:40,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093293482] [2022-07-21 14:59:40,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:59:40,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:59:40,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:59:41,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:59:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:59:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:59:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:59:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:59:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:59:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:59:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:59:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:59:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:59:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:59:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:59:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 14:59:41,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 14:59:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 14:59:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:41,232 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-21 14:59:41,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:59:41,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093293482] [2022-07-21 14:59:41,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093293482] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:59:41,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:59:41,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:59:41,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268629361] [2022-07-21 14:59:41,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:59:41,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:59:41,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:59:41,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:59:41,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:59:41,236 INFO L87 Difference]: Start difference. First operand 5277 states and 7422 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-21 14:59:46,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:59:46,296 INFO L93 Difference]: Finished difference Result 15933 states and 22530 transitions. [2022-07-21 14:59:46,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:59:46,296 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 175 [2022-07-21 14:59:46,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:59:46,358 INFO L225 Difference]: With dead ends: 15933 [2022-07-21 14:59:46,359 INFO L226 Difference]: Without dead ends: 10687 [2022-07-21 14:59:46,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:59:46,390 INFO L413 NwaCegarLoop]: 4345 mSDtfsCounter, 4668 mSDsluCounter, 4131 mSDsCounter, 0 mSdLazyCounter, 2911 mSolverCounterSat, 1972 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5276 SdHoareTripleChecker+Valid, 8476 SdHoareTripleChecker+Invalid, 4883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1972 IncrementalHoareTripleChecker+Valid, 2911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-07-21 14:59:46,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5276 Valid, 8476 Invalid, 4883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1972 Valid, 2911 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-07-21 14:59:46,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10687 states. [2022-07-21 14:59:46,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10687 to 10511. [2022-07-21 14:59:46,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10511 states, 7459 states have (on average 1.293202842204049) internal successors, (9646), 7631 states have internal predecessors, (9646), 2557 states have call successors, (2557), 480 states have call predecessors, (2557), 492 states have return successors, (2641), 2491 states have call predecessors, (2641), 2553 states have call successors, (2641) [2022-07-21 14:59:46,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10511 states to 10511 states and 14844 transitions. [2022-07-21 14:59:46,792 INFO L78 Accepts]: Start accepts. Automaton has 10511 states and 14844 transitions. Word has length 175 [2022-07-21 14:59:46,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:59:46,793 INFO L495 AbstractCegarLoop]: Abstraction has 10511 states and 14844 transitions. [2022-07-21 14:59:46,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-21 14:59:46,794 INFO L276 IsEmpty]: Start isEmpty. Operand 10511 states and 14844 transitions. [2022-07-21 14:59:46,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-07-21 14:59:46,797 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:59:46,797 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:59:46,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 14:59:46,798 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 14:59:46,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:59:46,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1416040930, now seen corresponding path program 1 times [2022-07-21 14:59:46,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:59:46,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585119575] [2022-07-21 14:59:46,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:59:46,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:59:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:46,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:59:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:46,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:46,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:59:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:46,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:46,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:46,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:59:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:46,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:46,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:59:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:46,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:46,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:59:46,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:59:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:59:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:59:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:59:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:47,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:59:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:47,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:59:47,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:59:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:59:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 14:59:47,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 14:59:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,140 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-21 14:59:47,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:59:47,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585119575] [2022-07-21 14:59:47,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585119575] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:59:47,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:59:47,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:59:47,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282235853] [2022-07-21 14:59:47,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:59:47,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:59:47,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:59:47,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:59:47,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:59:47,143 INFO L87 Difference]: Start difference. First operand 10511 states and 14844 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-21 14:59:52,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:59:52,147 INFO L93 Difference]: Finished difference Result 29129 states and 41078 transitions. [2022-07-21 14:59:52,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:59:52,147 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 174 [2022-07-21 14:59:52,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:59:52,239 INFO L225 Difference]: With dead ends: 29129 [2022-07-21 14:59:52,240 INFO L226 Difference]: Without dead ends: 18649 [2022-07-21 14:59:52,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:59:52,355 INFO L413 NwaCegarLoop]: 3923 mSDtfsCounter, 3817 mSDsluCounter, 3863 mSDsCounter, 0 mSdLazyCounter, 2862 mSolverCounterSat, 1807 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4297 SdHoareTripleChecker+Valid, 7786 SdHoareTripleChecker+Invalid, 4669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1807 IncrementalHoareTripleChecker+Valid, 2862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-21 14:59:52,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4297 Valid, 7786 Invalid, 4669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1807 Valid, 2862 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-21 14:59:52,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18649 states. [2022-07-21 14:59:52,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18649 to 18223. [2022-07-21 14:59:52,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18223 states, 12921 states have (on average 1.2941722776874856) internal successors, (16722), 13209 states have internal predecessors, (16722), 4357 states have call successors, (4357), 934 states have call predecessors, (4357), 942 states have return successors, (4491), 4213 states have call predecessors, (4491), 4353 states have call successors, (4491) [2022-07-21 14:59:52,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18223 states to 18223 states and 25570 transitions. [2022-07-21 14:59:52,893 INFO L78 Accepts]: Start accepts. Automaton has 18223 states and 25570 transitions. Word has length 174 [2022-07-21 14:59:52,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:59:52,894 INFO L495 AbstractCegarLoop]: Abstraction has 18223 states and 25570 transitions. [2022-07-21 14:59:52,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-21 14:59:52,894 INFO L276 IsEmpty]: Start isEmpty. Operand 18223 states and 25570 transitions. [2022-07-21 14:59:52,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-07-21 14:59:52,896 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:59:52,896 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:59:52,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 14:59:52,897 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 14:59:52,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:59:52,897 INFO L85 PathProgramCache]: Analyzing trace with hash -680148155, now seen corresponding path program 1 times [2022-07-21 14:59:52,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:59:52,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700924389] [2022-07-21 14:59:52,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:59:52,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:59:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:59:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:59:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:59:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:59:53,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:59:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:59:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:59:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:59:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:59:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:59:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:59:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:59:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:59:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 14:59:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 14:59:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,274 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-21 14:59:53,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:59:53,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700924389] [2022-07-21 14:59:53,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700924389] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:59:53,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:59:53,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:59:53,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859040881] [2022-07-21 14:59:53,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:59:53,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:59:53,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:59:53,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:59:53,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:59:53,277 INFO L87 Difference]: Start difference. First operand 18223 states and 25570 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-21 14:59:58,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:59:58,339 INFO L93 Difference]: Finished difference Result 42082 states and 58667 transitions. [2022-07-21 14:59:58,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:59:58,340 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 177 [2022-07-21 14:59:58,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:59:58,440 INFO L225 Difference]: With dead ends: 42082 [2022-07-21 14:59:58,441 INFO L226 Difference]: Without dead ends: 23890 [2022-07-21 14:59:58,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:59:58,494 INFO L413 NwaCegarLoop]: 6273 mSDtfsCounter, 3768 mSDsluCounter, 5058 mSDsCounter, 0 mSdLazyCounter, 3035 mSolverCounterSat, 1473 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4357 SdHoareTripleChecker+Valid, 11331 SdHoareTripleChecker+Invalid, 4508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1473 IncrementalHoareTripleChecker+Valid, 3035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-21 14:59:58,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4357 Valid, 11331 Invalid, 4508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1473 Valid, 3035 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-21 14:59:58,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23890 states. [2022-07-21 14:59:59,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23890 to 23215. [2022-07-21 14:59:59,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23215 states, 16478 states have (on average 1.2869887122223571) internal successors, (21207), 16815 states have internal predecessors, (21207), 5343 states have call successors, (5343), 1397 states have call predecessors, (5343), 1391 states have return successors, (5456), 5138 states have call predecessors, (5456), 5339 states have call successors, (5456) [2022-07-21 14:59:59,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23215 states to 23215 states and 32006 transitions. [2022-07-21 14:59:59,311 INFO L78 Accepts]: Start accepts. Automaton has 23215 states and 32006 transitions. Word has length 177 [2022-07-21 14:59:59,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:59:59,312 INFO L495 AbstractCegarLoop]: Abstraction has 23215 states and 32006 transitions. [2022-07-21 14:59:59,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-21 14:59:59,312 INFO L276 IsEmpty]: Start isEmpty. Operand 23215 states and 32006 transitions. [2022-07-21 14:59:59,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-07-21 14:59:59,317 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:59:59,317 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 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] [2022-07-21 14:59:59,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 14:59:59,317 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 14:59:59,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:59:59,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1201033793, now seen corresponding path program 1 times [2022-07-21 14:59:59,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:59:59,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87502535] [2022-07-21 14:59:59,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:59:59,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:59:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:59:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:59:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:59:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:59:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:59:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:59:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:59:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:59:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:59:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:59:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:59:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:59:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:59:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 14:59:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 14:59:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 14:59:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:59:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 14:59:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 14:59:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 14:59:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-21 14:59:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,750 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2022-07-21 14:59:59,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:59:59,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87502535] [2022-07-21 14:59:59,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87502535] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:59:59,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:59:59,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:59:59,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990570403] [2022-07-21 14:59:59,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:59:59,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:59:59,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:59:59,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:59:59,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:59:59,753 INFO L87 Difference]: Start difference. First operand 23215 states and 32006 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-21 15:00:03,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:00:08,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:00:08,161 INFO L93 Difference]: Finished difference Result 70305 states and 97167 transitions. [2022-07-21 15:00:08,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 15:00:08,165 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 236 [2022-07-21 15:00:08,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:00:08,488 INFO L225 Difference]: With dead ends: 70305 [2022-07-21 15:00:08,488 INFO L226 Difference]: Without dead ends: 47376 [2022-07-21 15:00:08,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:00:08,566 INFO L413 NwaCegarLoop]: 4842 mSDtfsCounter, 4603 mSDsluCounter, 4381 mSDsCounter, 0 mSdLazyCounter, 3009 mSolverCounterSat, 1859 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5225 SdHoareTripleChecker+Valid, 9223 SdHoareTripleChecker+Invalid, 4868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1859 IncrementalHoareTripleChecker+Valid, 3009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-07-21 15:00:08,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5225 Valid, 9223 Invalid, 4868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1859 Valid, 3009 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-07-21 15:00:08,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47376 states. [2022-07-21 15:00:09,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47376 to 46010. [2022-07-21 15:00:09,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46010 states, 32645 states have (on average 1.2869658446929086) internal successors, (42013), 33329 states have internal predecessors, (42013), 10585 states have call successors, (10585), 2788 states have call predecessors, (10585), 2777 states have return successors, (10851), 10164 states have call predecessors, (10851), 10581 states have call successors, (10851) [2022-07-21 15:00:10,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46010 states to 46010 states and 63449 transitions. [2022-07-21 15:00:10,049 INFO L78 Accepts]: Start accepts. Automaton has 46010 states and 63449 transitions. Word has length 236 [2022-07-21 15:00:10,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:00:10,050 INFO L495 AbstractCegarLoop]: Abstraction has 46010 states and 63449 transitions. [2022-07-21 15:00:10,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-21 15:00:10,051 INFO L276 IsEmpty]: Start isEmpty. Operand 46010 states and 63449 transitions. [2022-07-21 15:00:10,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-07-21 15:00:10,055 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:00:10,055 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 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] [2022-07-21 15:00:10,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 15:00:10,055 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 15:00:10,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:00:10,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1554122175, now seen corresponding path program 1 times [2022-07-21 15:00:10,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:00:10,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316502048] [2022-07-21 15:00:10,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:00:10,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:00:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:00:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:00:10,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:00:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:00:10,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:00:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:00:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:00:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:00:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:00:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:00:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:00:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:00:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:00:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 15:00:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 15:00:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 15:00:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 15:00:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 15:00:10,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 15:00:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 15:00:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-21 15:00:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,508 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2022-07-21 15:00:10,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:00:10,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316502048] [2022-07-21 15:00:10,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316502048] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:00:10,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:00:10,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 15:00:10,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071996276] [2022-07-21 15:00:10,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:00:10,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:00:10,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:00:10,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:00:10,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:00:10,511 INFO L87 Difference]: Start difference. First operand 46010 states and 63449 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-21 15:00:16,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:00:16,031 INFO L93 Difference]: Finished difference Result 119312 states and 165255 transitions. [2022-07-21 15:00:16,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 15:00:16,036 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 236 [2022-07-21 15:00:16,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:00:16,325 INFO L225 Difference]: With dead ends: 119312 [2022-07-21 15:00:16,325 INFO L226 Difference]: Without dead ends: 73588 [2022-07-21 15:00:16,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:00:16,582 INFO L413 NwaCegarLoop]: 5826 mSDtfsCounter, 4026 mSDsluCounter, 4876 mSDsCounter, 0 mSdLazyCounter, 2977 mSolverCounterSat, 1582 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4631 SdHoareTripleChecker+Valid, 10702 SdHoareTripleChecker+Invalid, 4559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1582 IncrementalHoareTripleChecker+Valid, 2977 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-21 15:00:16,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4631 Valid, 10702 Invalid, 4559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1582 Valid, 2977 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-21 15:00:16,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73588 states. [2022-07-21 15:00:18,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73588 to 71688. [2022-07-21 15:00:18,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71688 states, 50881 states have (on average 1.2871798903323441) internal successors, (65493), 51945 states have internal predecessors, (65493), 16627 states have call successors, (16627), 4180 states have call predecessors, (16627), 4177 states have return successors, (17027), 16040 states have call predecessors, (17027), 16623 states have call successors, (17027) [2022-07-21 15:00:19,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71688 states to 71688 states and 99147 transitions. [2022-07-21 15:00:19,030 INFO L78 Accepts]: Start accepts. Automaton has 71688 states and 99147 transitions. Word has length 236 [2022-07-21 15:00:19,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:00:19,031 INFO L495 AbstractCegarLoop]: Abstraction has 71688 states and 99147 transitions. [2022-07-21 15:00:19,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-21 15:00:19,031 INFO L276 IsEmpty]: Start isEmpty. Operand 71688 states and 99147 transitions. [2022-07-21 15:00:19,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-07-21 15:00:19,035 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:00:19,035 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 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] [2022-07-21 15:00:19,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 15:00:19,036 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 15:00:19,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:00:19,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1413573565, now seen corresponding path program 1 times [2022-07-21 15:00:19,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:00:19,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663705825] [2022-07-21 15:00:19,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:00:19,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:00:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:00:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:00:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:00:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:00:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:00:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:00:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:00:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:00:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:00:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:00:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:00:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:00:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:00:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 15:00:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 15:00:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 15:00:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 15:00:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 15:00:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 15:00:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 15:00:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-21 15:00:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:19,576 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 910 trivial. 0 not checked. [2022-07-21 15:00:19,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:00:19,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663705825] [2022-07-21 15:00:19,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663705825] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:00:19,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:00:19,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:00:19,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933938729] [2022-07-21 15:00:19,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:00:19,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:00:19,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:00:19,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:00:19,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:00:19,579 INFO L87 Difference]: Start difference. First operand 71688 states and 99147 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-21 15:00:24,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:00:24,286 INFO L93 Difference]: Finished difference Result 74104 states and 102654 transitions. [2022-07-21 15:00:24,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 15:00:24,287 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 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 236 [2022-07-21 15:00:24,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:00:24,662 INFO L225 Difference]: With dead ends: 74104 [2022-07-21 15:00:24,662 INFO L226 Difference]: Without dead ends: 74102 [2022-07-21 15:00:24,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 15:00:24,693 INFO L413 NwaCegarLoop]: 3611 mSDtfsCounter, 3904 mSDsluCounter, 6248 mSDsCounter, 0 mSdLazyCounter, 3906 mSolverCounterSat, 1338 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4327 SdHoareTripleChecker+Valid, 9859 SdHoareTripleChecker+Invalid, 5244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1338 IncrementalHoareTripleChecker+Valid, 3906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-21 15:00:24,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4327 Valid, 9859 Invalid, 5244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1338 Valid, 3906 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-21 15:00:24,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74102 states. [2022-07-21 15:00:26,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74102 to 72204. [2022-07-21 15:00:26,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72204 states, 51220 states have (on average 1.2862163217493168) internal successors, (65880), 52316 states have internal predecessors, (65880), 16691 states have call successors, (16691), 4293 states have call predecessors, (16691), 4290 states have return successors, (17091), 16104 states have call predecessors, (17091), 16687 states have call successors, (17091) [2022-07-21 15:00:26,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72204 states to 72204 states and 99662 transitions. [2022-07-21 15:00:26,982 INFO L78 Accepts]: Start accepts. Automaton has 72204 states and 99662 transitions. Word has length 236 [2022-07-21 15:00:26,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:00:26,983 INFO L495 AbstractCegarLoop]: Abstraction has 72204 states and 99662 transitions. [2022-07-21 15:00:26,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-21 15:00:26,983 INFO L276 IsEmpty]: Start isEmpty. Operand 72204 states and 99662 transitions. [2022-07-21 15:00:26,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-07-21 15:00:26,988 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:00:26,988 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:00:26,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 15:00:26,989 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 15:00:26,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:00:26,989 INFO L85 PathProgramCache]: Analyzing trace with hash -424070927, now seen corresponding path program 1 times [2022-07-21 15:00:26,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:00:26,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21477283] [2022-07-21 15:00:26,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:00:26,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:00:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:00:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:27,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:00:27,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:00:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:00:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:00:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:00:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:00:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:27,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:00:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:00:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:00:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:00:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:00:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:00:27,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 15:00:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 15:00:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 15:00:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 15:00:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 15:00:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 15:00:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 15:00:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 15:00:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 15:00:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 15:00:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:27,395 INFO L134 CoverageAnalysis]: Checked inductivity of 908 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2022-07-21 15:00:27,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:00:27,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21477283] [2022-07-21 15:00:27,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21477283] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:00:27,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:00:27,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 15:00:27,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676314260] [2022-07-21 15:00:27,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:00:27,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 15:00:27,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:00:27,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 15:00:27,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:00:27,398 INFO L87 Difference]: Start difference. First operand 72204 states and 99662 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-21 15:00:46,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:00:46,714 INFO L93 Difference]: Finished difference Result 174227 states and 241330 transitions. [2022-07-21 15:00:46,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:00:46,714 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 244 [2022-07-21 15:00:46,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:00:47,326 INFO L225 Difference]: With dead ends: 174227 [2022-07-21 15:00:47,326 INFO L226 Difference]: Without dead ends: 102309 [2022-07-21 15:00:47,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-21 15:00:47,497 INFO L413 NwaCegarLoop]: 6825 mSDtfsCounter, 4401 mSDsluCounter, 6484 mSDsCounter, 0 mSdLazyCounter, 6890 mSolverCounterSat, 2552 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4881 SdHoareTripleChecker+Valid, 13309 SdHoareTripleChecker+Invalid, 9442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2552 IncrementalHoareTripleChecker+Valid, 6890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2022-07-21 15:00:47,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4881 Valid, 13309 Invalid, 9442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2552 Valid, 6890 Invalid, 0 Unknown, 0 Unchecked, 16.0s Time] [2022-07-21 15:00:47,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102309 states. [2022-07-21 15:00:51,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102309 to 94137. [2022-07-21 15:00:51,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94137 states, 66789 states have (on average 1.286738834239171) internal successors, (85940), 68228 states have internal predecessors, (85940), 21837 states have call successors, (21837), 5495 states have call predecessors, (21837), 5508 states have return successors, (22387), 21103 states have call predecessors, (22387), 21833 states have call successors, (22387) [2022-07-21 15:00:51,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94137 states to 94137 states and 130164 transitions. [2022-07-21 15:00:51,564 INFO L78 Accepts]: Start accepts. Automaton has 94137 states and 130164 transitions. Word has length 244 [2022-07-21 15:00:51,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:00:51,565 INFO L495 AbstractCegarLoop]: Abstraction has 94137 states and 130164 transitions. [2022-07-21 15:00:51,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-21 15:00:51,565 INFO L276 IsEmpty]: Start isEmpty. Operand 94137 states and 130164 transitions. [2022-07-21 15:00:51,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-07-21 15:00:51,569 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:00:51,570 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:00:51,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 15:00:51,570 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 15:00:51,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:00:51,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1447062017, now seen corresponding path program 1 times [2022-07-21 15:00:51,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:00:51,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754769861] [2022-07-21 15:00:51,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:00:51,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:00:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:51,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:00:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:51,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:51,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:00:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:51,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:51,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:00:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:51,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:51,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:00:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:51,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:00:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:00:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:00:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:00:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:00:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:00:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:52,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:00:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:00:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:00:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 15:00:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 15:00:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 15:00:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 15:00:52,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 15:00:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 15:00:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 15:00:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-21 15:00:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-21 15:00:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,180 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 910 trivial. 0 not checked. [2022-07-21 15:00:52,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:00:52,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754769861] [2022-07-21 15:00:52,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754769861] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:00:52,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:00:52,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:00:52,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950192268] [2022-07-21 15:00:52,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:00:52,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:00:52,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:00:52,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:00:52,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:00:52,183 INFO L87 Difference]: Start difference. First operand 94137 states and 130164 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-21 15:00:57,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:00:57,936 INFO L93 Difference]: Finished difference Result 96541 states and 133958 transitions. [2022-07-21 15:00:57,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:00:57,944 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 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 241 [2022-07-21 15:00:57,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:00:58,428 INFO L225 Difference]: With dead ends: 96541 [2022-07-21 15:00:58,428 INFO L226 Difference]: Without dead ends: 96539 [2022-07-21 15:00:58,466 INFO L412 NwaCegarLoop]: 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 [2022-07-21 15:00:58,466 INFO L413 NwaCegarLoop]: 3614 mSDtfsCounter, 3877 mSDsluCounter, 6248 mSDsCounter, 0 mSdLazyCounter, 3848 mSolverCounterSat, 1342 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4294 SdHoareTripleChecker+Valid, 9862 SdHoareTripleChecker+Invalid, 5190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1342 IncrementalHoareTripleChecker+Valid, 3848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-21 15:00:58,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4294 Valid, 9862 Invalid, 5190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1342 Valid, 3848 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-21 15:00:58,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96539 states. [2022-07-21 15:01:01,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96539 to 94141. [2022-07-21 15:01:01,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94141 states, 66792 states have (on average 1.286725955204216) internal successors, (85943), 68231 states have internal predecessors, (85943), 21837 states have call successors, (21837), 5496 states have call predecessors, (21837), 5509 states have return successors, (22387), 21103 states have call predecessors, (22387), 21833 states have call successors, (22387) [2022-07-21 15:01:02,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94141 states to 94141 states and 130167 transitions. [2022-07-21 15:01:02,511 INFO L78 Accepts]: Start accepts. Automaton has 94141 states and 130167 transitions. Word has length 241 [2022-07-21 15:01:02,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:01:02,512 INFO L495 AbstractCegarLoop]: Abstraction has 94141 states and 130167 transitions. [2022-07-21 15:01:02,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-21 15:01:02,512 INFO L276 IsEmpty]: Start isEmpty. Operand 94141 states and 130167 transitions. [2022-07-21 15:01:02,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-07-21 15:01:02,520 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:01:02,520 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:01:02,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 15:01:02,520 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 15:01:02,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:01:02,521 INFO L85 PathProgramCache]: Analyzing trace with hash -789474621, now seen corresponding path program 1 times [2022-07-21 15:01:02,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:01:02,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229157135] [2022-07-21 15:01:02,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:01:02,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:01:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:01:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:01:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:01:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:01:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:01:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:01:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:02,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:01:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:01:02,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:01:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:01:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:01:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:01:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:01:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 15:01:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 15:01:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 15:01:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 15:01:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 15:01:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 15:01:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 15:01:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-21 15:01:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-21 15:01:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-21 15:01:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:02,881 INFO L134 CoverageAnalysis]: Checked inductivity of 918 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 914 trivial. 0 not checked. [2022-07-21 15:01:02,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:01:02,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229157135] [2022-07-21 15:01:02,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229157135] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:01:02,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:01:02,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:01:02,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560690249] [2022-07-21 15:01:02,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:01:02,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:01:02,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:01:02,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:01:02,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:01:02,885 INFO L87 Difference]: Start difference. First operand 94141 states and 130167 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-21 15:01:09,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:01:09,140 INFO L93 Difference]: Finished difference Result 96545 states and 133961 transitions. [2022-07-21 15:01:09,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:01:09,141 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 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 246 [2022-07-21 15:01:09,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:01:09,480 INFO L225 Difference]: With dead ends: 96545 [2022-07-21 15:01:09,480 INFO L226 Difference]: Without dead ends: 96543 [2022-07-21 15:01:09,534 INFO L412 NwaCegarLoop]: 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 [2022-07-21 15:01:09,535 INFO L413 NwaCegarLoop]: 3616 mSDtfsCounter, 3877 mSDsluCounter, 6254 mSDsCounter, 0 mSdLazyCounter, 3848 mSolverCounterSat, 1341 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4292 SdHoareTripleChecker+Valid, 9870 SdHoareTripleChecker+Invalid, 5189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1341 IncrementalHoareTripleChecker+Valid, 3848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-21 15:01:09,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4292 Valid, 9870 Invalid, 5189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1341 Valid, 3848 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-21 15:01:09,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96543 states. [2022-07-21 15:01:12,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96543 to 94145. [2022-07-21 15:01:13,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94145 states, 66795 states have (on average 1.2867130773261473) internal successors, (85946), 68234 states have internal predecessors, (85946), 21837 states have call successors, (21837), 5497 states have call predecessors, (21837), 5510 states have return successors, (22387), 21103 states have call predecessors, (22387), 21833 states have call successors, (22387) [2022-07-21 15:01:13,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94145 states to 94145 states and 130170 transitions. [2022-07-21 15:01:13,634 INFO L78 Accepts]: Start accepts. Automaton has 94145 states and 130170 transitions. Word has length 246 [2022-07-21 15:01:13,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:01:13,636 INFO L495 AbstractCegarLoop]: Abstraction has 94145 states and 130170 transitions. [2022-07-21 15:01:13,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-21 15:01:13,636 INFO L276 IsEmpty]: Start isEmpty. Operand 94145 states and 130170 transitions. [2022-07-21 15:01:13,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-07-21 15:01:13,641 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:01:13,642 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:01:13,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-21 15:01:13,642 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 15:01:13,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:01:13,643 INFO L85 PathProgramCache]: Analyzing trace with hash -371021055, now seen corresponding path program 1 times [2022-07-21 15:01:13,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:01:13,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114514524] [2022-07-21 15:01:13,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:01:13,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:01:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:01:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:01:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:01:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:01:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:01:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:13,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:01:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:01:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:01:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:01:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:01:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:01:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:01:13,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:01:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 15:01:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 15:01:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 15:01:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 15:01:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 15:01:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 15:01:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 15:01:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-21 15:01:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-21 15:01:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:13,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-21 15:01:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:14,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 15:01:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:14,005 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 922 trivial. 0 not checked. [2022-07-21 15:01:14,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:01:14,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114514524] [2022-07-21 15:01:14,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114514524] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:01:14,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:01:14,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:01:14,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376662104] [2022-07-21 15:01:14,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:01:14,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:01:14,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:01:14,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:01:14,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:01:14,008 INFO L87 Difference]: Start difference. First operand 94145 states and 130170 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-21 15:01:20,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:01:20,261 INFO L93 Difference]: Finished difference Result 96549 states and 133964 transitions. [2022-07-21 15:01:20,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:01:20,262 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 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 251 [2022-07-21 15:01:20,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:01:20,597 INFO L225 Difference]: With dead ends: 96549 [2022-07-21 15:01:20,598 INFO L226 Difference]: Without dead ends: 96547 [2022-07-21 15:01:20,645 INFO L412 NwaCegarLoop]: 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 [2022-07-21 15:01:20,646 INFO L413 NwaCegarLoop]: 3614 mSDtfsCounter, 3877 mSDsluCounter, 6248 mSDsCounter, 0 mSdLazyCounter, 3848 mSolverCounterSat, 1340 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4294 SdHoareTripleChecker+Valid, 9862 SdHoareTripleChecker+Invalid, 5188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1340 IncrementalHoareTripleChecker+Valid, 3848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-21 15:01:20,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4294 Valid, 9862 Invalid, 5188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1340 Valid, 3848 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-07-21 15:01:20,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96547 states.