./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.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 2ed7e65f4873f721e135371f2b64bea53a61355f60220cd3c965b9b34f2d17e4 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 11:05:18,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 11:05:18,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 11:05:18,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 11:05:18,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 11:05:18,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 11:05:18,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 11:05:18,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 11:05:18,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 11:05:18,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 11:05:18,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 11:05:18,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 11:05:18,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 11:05:18,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 11:05:18,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 11:05:18,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 11:05:18,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 11:05:18,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 11:05:18,927 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 11:05:18,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 11:05:18,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 11:05:18,933 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 11:05:18,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 11:05:18,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 11:05:18,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 11:05:18,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 11:05:18,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 11:05:18,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 11:05:18,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 11:05:18,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 11:05:18,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 11:05:18,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 11:05:18,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 11:05:18,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 11:05:18,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 11:05:18,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 11:05:18,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 11:05:18,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 11:05:18,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 11:05:18,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 11:05:18,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 11:05:18,949 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 11:05:18,972 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 11:05:18,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 11:05:18,973 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 11:05:18,973 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 11:05:18,974 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 11:05:18,974 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 11:05:18,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 11:05:18,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 11:05:18,975 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 11:05:18,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 11:05:18,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 11:05:18,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 11:05:18,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 11:05:18,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 11:05:18,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 11:05:18,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 11:05:18,976 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 11:05:18,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 11:05:18,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 11:05:18,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 11:05:18,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 11:05:18,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 11:05:18,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 11:05:18,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 11:05:18,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 11:05:18,978 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 11:05:18,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 11:05:18,979 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 11:05:18,979 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 11:05:18,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 11:05:18,979 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 11:05:18,979 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ed7e65f4873f721e135371f2b64bea53a61355f60220cd3c965b9b34f2d17e4 [2021-12-18 11:05:19,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 11:05:19,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 11:05:19,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 11:05:19,202 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 11:05:19,202 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 11:05:19,203 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i [2021-12-18 11:05:19,260 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e57faa8e/a4e35a150b1d46fd89bf1ba440cddf81/FLAG84b5b8ab4 [2021-12-18 11:05:19,951 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 11:05:19,952 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i [2021-12-18 11:05:19,994 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e57faa8e/a4e35a150b1d46fd89bf1ba440cddf81/FLAG84b5b8ab4 [2021-12-18 11:05:20,224 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e57faa8e/a4e35a150b1d46fd89bf1ba440cddf81 [2021-12-18 11:05:20,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 11:05:20,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 11:05:20,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 11:05:20,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 11:05:20,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 11:05:20,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:05:20" (1/1) ... [2021-12-18 11:05:20,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@491193b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:20, skipping insertion in model container [2021-12-18 11:05:20,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:05:20" (1/1) ... [2021-12-18 11:05:20,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 11:05:20,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 11:05:23,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[464820,464833] [2021-12-18 11:05:23,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[464989,465002] [2021-12-18 11:05:23,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[465156,465169] [2021-12-18 11:05:23,946 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[465324,465337] [2021-12-18 11:05:23,969 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 11:05:24,008 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 11:05:24,347 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[464820,464833] [2021-12-18 11:05:24,348 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[464989,465002] [2021-12-18 11:05:24,348 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[465156,465169] [2021-12-18 11:05:24,348 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[465324,465337] [2021-12-18 11:05:24,355 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 11:05:24,515 INFO L208 MainTranslator]: Completed translation [2021-12-18 11:05:24,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:24 WrapperNode [2021-12-18 11:05:24,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 11:05:24,517 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 11:05:24,517 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 11:05:24,517 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 11:05:24,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:24" (1/1) ... [2021-12-18 11:05:24,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:24" (1/1) ... [2021-12-18 11:05:24,769 INFO L137 Inliner]: procedures = 663, calls = 2943, calls flagged for inlining = 321, calls inlined = 256, statements flattened = 6033 [2021-12-18 11:05:24,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 11:05:24,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 11:05:24,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 11:05:24,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 11:05:24,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:24" (1/1) ... [2021-12-18 11:05:24,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:24" (1/1) ... [2021-12-18 11:05:24,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:24" (1/1) ... [2021-12-18 11:05:24,799 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:24" (1/1) ... [2021-12-18 11:05:24,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:24" (1/1) ... [2021-12-18 11:05:24,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:24" (1/1) ... [2021-12-18 11:05:24,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:24" (1/1) ... [2021-12-18 11:05:25,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 11:05:25,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 11:05:25,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 11:05:25,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 11:05:25,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:24" (1/1) ... [2021-12-18 11:05:25,021 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 11:05:25,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 11:05:25,040 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 11:05:25,068 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-18 11:05:25,069 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-18 11:05:25,069 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-18 11:05:25,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-18 11:05:25,069 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-12-18 11:05:25,069 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-12-18 11:05:25,069 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-18 11:05:25,070 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-18 11:05:25,070 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_mac_processor [2021-12-18 11:05:25,070 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_mac_processor [2021-12-18 11:05:25,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 11:05:25,070 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 11:05:25,070 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32 [2021-12-18 11:05:25,070 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32 [2021-12-18 11:05:25,070 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-18 11:05:25,071 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-18 11:05:25,071 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_regs_len [2021-12-18 11:05:25,071 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_regs_len [2021-12-18 11:05:25,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 11:05:25,071 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-18 11:05:25,075 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-18 11:05:25,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 11:05:25,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 11:05:25,075 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_on [2021-12-18 11:05:25,076 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_on [2021-12-18 11:05:25,076 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_rx_engine [2021-12-18 11:05:25,076 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_rx_engine [2021-12-18 11:05:25,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 11:05:25,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 11:05:25,076 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-18 11:05:25,076 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-18 11:05:25,076 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-18 11:05:25,077 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-18 11:05:25,077 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 11:05:25,077 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 11:05:25,077 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 11:05:25,077 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 11:05:25,078 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_link [2021-12-18 11:05:25,078 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_link [2021-12-18 11:05:25,078 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 11:05:25,078 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 11:05:25,078 INFO L130 BoogieDeclarations]: Found specification of procedure jme_netpoll [2021-12-18 11:05:25,078 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_netpoll [2021-12-18 11:05:25,078 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2021-12-18 11:05:25,078 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2021-12-18 11:05:25,079 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-18 11:05:25,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-18 11:05:25,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 11:05:25,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 11:05:25,080 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 11:05:25,080 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 11:05:25,080 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 11:05:25,081 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 11:05:25,081 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-12-18 11:05:25,081 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 11:05:25,081 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 11:05:25,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 11:05:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 11:05:25,082 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-18 11:05:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-18 11:05:25,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 11:05:25,082 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-18 11:05:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-18 11:05:25,083 INFO L130 BoogieDeclarations]: Found specification of procedure jread32 [2021-12-18 11:05:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure jread32 [2021-12-18 11:05:25,083 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-12-18 11:05:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-12-18 11:05:25,083 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2021-12-18 11:05:25,083 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 11:05:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 11:05:25,083 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_rx_pcc [2021-12-18 11:05:25,084 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_rx_pcc [2021-12-18 11:05:25,084 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-18 11:05:25,084 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-18 11:05:25,084 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-18 11:05:25,085 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-18 11:05:25,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 11:05:25,085 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_unicastaddr [2021-12-18 11:05:25,085 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_unicastaddr [2021-12-18 11:05:25,085 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 11:05:25,085 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 11:05:25,085 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 11:05:25,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 11:05:25,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 11:05:25,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 11:05:25,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 11:05:25,086 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_calibration [2021-12-18 11:05:25,086 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_calibration [2021-12-18 11:05:25,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 11:05:25,087 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 11:05:25,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 11:05:25,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_82 [2021-12-18 11:05:25,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_82 [2021-12-18 11:05:25,088 INFO L130 BoogieDeclarations]: Found specification of procedure jme_restart_rx_engine [2021-12-18 11:05:25,088 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_restart_rx_engine [2021-12-18 11:05:25,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2021-12-18 11:05:25,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2021-12-18 11:05:25,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 11:05:25,088 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 11:05:25,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_88 [2021-12-18 11:05:25,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_88 [2021-12-18 11:05:25,089 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-18 11:05:25,089 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-18 11:05:25,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 11:05:25,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 11:05:25,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 11:05:25,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 11:05:25,090 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2021-12-18 11:05:25,090 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2021-12-18 11:05:25,090 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-18 11:05:25,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-18 11:05:25,090 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 11:05:25,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 11:05:25,091 INFO L130 BoogieDeclarations]: Found specification of procedure jme_linkstat_from_phy [2021-12-18 11:05:25,092 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_linkstat_from_phy [2021-12-18 11:05:25,093 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_write [2021-12-18 11:05:25,093 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_write [2021-12-18 11:05:25,093 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_on [2021-12-18 11:05:25,094 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_on [2021-12-18 11:05:25,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 11:05:25,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 11:05:25,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 11:05:25,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-18 11:05:25,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-18 11:05:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-18 11:05:25,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-18 11:05:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-18 11:05:25,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-18 11:05:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-18 11:05:25,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-18 11:05:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure smi_phy_addr [2021-12-18 11:05:25,099 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_phy_addr [2021-12-18 11:05:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 11:05:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 11:05:25,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 11:05:25,100 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 11:05:25,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 11:05:25,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 11:05:25,100 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-18 11:05:25,100 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-18 11:05:25,100 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 11:05:25,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 11:05:25,100 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 11:05:25,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 11:05:25,101 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-18 11:05:25,101 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-18 11:05:25,101 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-18 11:05:25,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-18 11:05:25,101 INFO L130 BoogieDeclarations]: Found specification of procedure reg_dbg [2021-12-18 11:05:25,101 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_dbg [2021-12-18 11:05:25,101 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 11:05:25,101 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 11:05:25,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-18 11:05:25,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-18 11:05:25,102 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-18 11:05:25,102 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-18 11:05:25,102 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 11:05:25,102 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 11:05:25,102 INFO L130 BoogieDeclarations]: Found specification of procedure jme_start_irq [2021-12-18 11:05:25,102 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_start_irq [2021-12-18 11:05:25,102 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-12-18 11:05:25,103 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-12-18 11:05:25,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 11:05:25,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 11:05:25,103 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-18 11:05:25,103 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-18 11:05:25,103 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-18 11:05:25,103 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-18 11:05:25,103 INFO L130 BoogieDeclarations]: Found specification of procedure jme_fill_tx_map [2021-12-18 11:05:25,103 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_fill_tx_map [2021-12-18 11:05:25,104 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_tx_resources [2021-12-18 11:05:25,104 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_tx_resources [2021-12-18 11:05:25,104 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-18 11:05:25,104 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-18 11:05:25,104 INFO L130 BoogieDeclarations]: Found specification of procedure jme_polling_mode [2021-12-18 11:05:25,104 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_polling_mode [2021-12-18 11:05:25,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 11:05:25,104 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2021-12-18 11:05:25,104 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2021-12-18 11:05:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 11:05:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 11:05:25,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 11:05:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure jme_remove_one [2021-12-18 11:05:25,105 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_remove_one [2021-12-18 11:05:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure jme_powersave_phy [2021-12-18 11:05:25,105 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_powersave_phy [2021-12-18 11:05:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_on [2021-12-18 11:05:25,107 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_on [2021-12-18 11:05:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2021-12-18 11:05:25,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2021-12-18 11:05:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure new_phy_power_ctrl [2021-12-18 11:05:25,107 INFO L138 BoogieDeclarations]: Found implementation of procedure new_phy_power_ctrl [2021-12-18 11:05:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 11:05:25,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 11:05:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-18 11:05:25,107 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-18 11:05:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2021-12-18 11:05:25,108 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2021-12-18 11:05:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure jme_intr_msi [2021-12-18 11:05:25,108 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_intr_msi [2021-12-18 11:05:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32f [2021-12-18 11:05:25,108 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32f [2021-12-18 11:05:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure smi_reg_addr [2021-12-18 11:05:25,108 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_reg_addr [2021-12-18 11:05:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_settings [2021-12-18 11:05:25,109 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_settings [2021-12-18 11:05:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-18 11:05:25,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-18 11:05:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-18 11:05:25,109 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-18 11:05:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 11:05:25,109 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 11:05:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-18 11:05:25,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-18 11:05:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-18 11:05:25,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-18 11:05:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-18 11:05:25,110 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-18 11:05:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure jme_nway_reset [2021-12-18 11:05:25,110 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_nway_reset [2021-12-18 11:05:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-18 11:05:25,110 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-18 11:05:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 11:05:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-18 11:05:25,111 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-18 11:05:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-18 11:05:25,111 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-18 11:05:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 11:05:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_rx_resources [2021-12-18 11:05:25,111 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_rx_resources [2021-12-18 11:05:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure jme_resume [2021-12-18 11:05:25,111 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_resume [2021-12-18 11:05:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure jme_tx_timeout [2021-12-18 11:05:25,112 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_tx_timeout [2021-12-18 11:05:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 11:05:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_tx_engine [2021-12-18 11:05:25,112 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_tx_engine [2021-12-18 11:05:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 11:05:25,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 11:05:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-18 11:05:25,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-18 11:05:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 11:05:25,115 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 11:05:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 11:05:25,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 11:05:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_off [2021-12-18 11:05:25,116 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_off [2021-12-18 11:05:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_setEA [2021-12-18 11:05:25,116 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_setEA [2021-12-18 11:05:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-12-18 11:05:25,117 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-12-18 11:05:25,117 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_multi [2021-12-18 11:05:25,117 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_multi [2021-12-18 11:05:25,117 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-18 11:05:25,117 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-18 11:05:25,118 INFO L130 BoogieDeclarations]: Found specification of procedure mmapio_memcpy [2021-12-18 11:05:25,118 INFO L138 BoogieDeclarations]: Found implementation of procedure mmapio_memcpy [2021-12-18 11:05:25,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_87 [2021-12-18 11:05:25,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_87 [2021-12-18 11:05:25,118 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-18 11:05:25,118 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-18 11:05:25,118 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 11:05:25,118 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 11:05:25,118 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_read [2021-12-18 11:05:25,119 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_read [2021-12-18 11:05:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_81 [2021-12-18 11:05:25,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_81 [2021-12-18 11:05:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure jme_clear_pm [2021-12-18 11:05:25,119 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_clear_pm [2021-12-18 11:05:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2021-12-18 11:05:25,119 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2021-12-18 11:05:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure jme_close [2021-12-18 11:05:25,119 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_close [2021-12-18 11:05:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 11:05:25,120 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 11:05:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2021-12-18 11:05:25,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2021-12-18 11:05:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-18 11:05:25,120 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-18 11:05:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_irq [2021-12-18 11:05:25,120 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_irq [2021-12-18 11:05:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 11:05:25,120 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 11:05:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure jme_shutdown [2021-12-18 11:05:25,121 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_shutdown [2021-12-18 11:05:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 11:05:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_off [2021-12-18 11:05:25,121 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_off [2021-12-18 11:05:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_phy_processor [2021-12-18 11:05:25,121 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_phy_processor [2021-12-18 11:05:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure jme_suspend [2021-12-18 11:05:25,121 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_suspend [2021-12-18 11:05:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 11:05:25,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 11:05:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 11:05:25,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 11:05:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_write [2021-12-18 11:05:25,122 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_write [2021-12-18 11:05:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 11:05:25,123 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 11:05:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_off [2021-12-18 11:05:25,123 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_off [2021-12-18 11:05:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_phyfifo_5level [2021-12-18 11:05:25,123 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_phyfifo_5level [2021-12-18 11:05:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-18 11:05:25,123 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-18 11:05:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-18 11:05:25,123 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-18 11:05:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_eeprom_len [2021-12-18 11:05:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_eeprom_len [2021-12-18 11:05:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2021-12-18 11:05:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2021-12-18 11:05:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 11:05:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 11:05:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_pcc_timer [2021-12-18 11:05:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_pcc_timer [2021-12-18 11:05:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure jme_interrupt_mode [2021-12-18 11:05:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_interrupt_mode [2021-12-18 11:05:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_settings [2021-12-18 11:05:25,125 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_settings [2021-12-18 11:05:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_read [2021-12-18 11:05:25,125 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_read [2021-12-18 11:05:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-18 11:05:25,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-18 11:05:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-18 11:05:25,125 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-18 11:05:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 11:05:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure jme_open [2021-12-18 11:05:25,125 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_open [2021-12-18 11:05:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 11:05:25,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 11:05:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2021-12-18 11:05:25,126 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2021-12-18 11:05:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2021-12-18 11:05:25,126 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2021-12-18 11:05:25,868 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 11:05:25,874 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 11:05:26,131 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 11:05:30,405 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 11:05:30,543 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 11:05:30,556 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 11:05:30,556 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-18 11:05:30,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:05:30 BoogieIcfgContainer [2021-12-18 11:05:30,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 11:05:30,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 11:05:30,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 11:05:30,563 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 11:05:30,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 11:05:20" (1/3) ... [2021-12-18 11:05:30,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7c3db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:05:30, skipping insertion in model container [2021-12-18 11:05:30,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:24" (2/3) ... [2021-12-18 11:05:30,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7c3db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:05:30, skipping insertion in model container [2021-12-18 11:05:30,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:05:30" (3/3) ... [2021-12-18 11:05:30,565 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i [2021-12-18 11:05:30,569 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 11:05:30,569 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-18 11:05:30,616 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 11:05:30,626 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 11:05:30,626 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-18 11:05:30,680 INFO L276 IsEmpty]: Start isEmpty. Operand has 2685 states, 1789 states have (on average 1.2655114589155954) internal successors, (2264), 1840 states have internal predecessors, (2264), 740 states have call successors, (740), 158 states have call predecessors, (740), 157 states have return successors, (731), 715 states have call predecessors, (731), 731 states have call successors, (731) [2021-12-18 11:05:30,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-12-18 11:05:30,692 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:05:30,692 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:05:30,693 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:05:30,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:05:30,696 INFO L85 PathProgramCache]: Analyzing trace with hash 396506985, now seen corresponding path program 1 times [2021-12-18 11:05:30,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:05:30,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803628835] [2021-12-18 11:05:30,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:05:30,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:05:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:05:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:05:31,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:05:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:05:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:05:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:05:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:05:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:05:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:05:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:05:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:05:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:05:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:05:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:05:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:05:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:05:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:05:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:05:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 11:05:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-18 11:05:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:31,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2021-12-18 11:05:31,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:05:31,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803628835] [2021-12-18 11:05:31,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803628835] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:05:31,554 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:05:31,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:05:31,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242319762] [2021-12-18 11:05:31,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:05:31,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:05:31,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:05:31,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:05:31,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:05:31,587 INFO L87 Difference]: Start difference. First operand has 2685 states, 1789 states have (on average 1.2655114589155954) internal successors, (2264), 1840 states have internal predecessors, (2264), 740 states have call successors, (740), 158 states have call predecessors, (740), 157 states have return successors, (731), 715 states have call predecessors, (731), 731 states have call successors, (731) 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, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-18 11:05:35,483 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:05:38,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:05:38,438 INFO L93 Difference]: Finished difference Result 8063 states and 11539 transitions. [2021-12-18 11:05:38,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:05:38,440 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, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 226 [2021-12-18 11:05:38,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:05:38,485 INFO L225 Difference]: With dead ends: 8063 [2021-12-18 11:05:38,485 INFO L226 Difference]: Without dead ends: 5406 [2021-12-18 11:05:38,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:05:38,506 INFO L933 BasicCegarLoop]: 3815 mSDtfsCounter, 4622 mSDsluCounter, 3912 mSDsCounter, 0 mSdLazyCounter, 2668 mSolverCounterSat, 2423 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5308 SdHoareTripleChecker+Valid, 7727 SdHoareTripleChecker+Invalid, 5091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2423 IncrementalHoareTripleChecker+Valid, 2668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-12-18 11:05:38,507 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5308 Valid, 7727 Invalid, 5091 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2423 Valid, 2668 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2021-12-18 11:05:38,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5406 states. [2021-12-18 11:05:38,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5406 to 5180. [2021-12-18 11:05:38,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5180 states, 3468 states have (on average 1.258650519031142) internal successors, (4365), 3563 states have internal predecessors, (4365), 1399 states have call successors, (1399), 311 states have call predecessors, (1399), 310 states have return successors, (1395), 1363 states have call predecessors, (1395), 1395 states have call successors, (1395) [2021-12-18 11:05:38,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5180 states to 5180 states and 7159 transitions. [2021-12-18 11:05:38,786 INFO L78 Accepts]: Start accepts. Automaton has 5180 states and 7159 transitions. Word has length 226 [2021-12-18 11:05:38,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:05:38,787 INFO L470 AbstractCegarLoop]: Abstraction has 5180 states and 7159 transitions. [2021-12-18 11:05:38,788 INFO L471 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, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-18 11:05:38,788 INFO L276 IsEmpty]: Start isEmpty. Operand 5180 states and 7159 transitions. [2021-12-18 11:05:38,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-12-18 11:05:38,792 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:05:38,793 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:05:38,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 11:05:38,793 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:05:38,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:05:38,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1692106287, now seen corresponding path program 1 times [2021-12-18 11:05:38,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:05:38,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589940317] [2021-12-18 11:05:38,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:05:38,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:05:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:38,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:05:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:38,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:05:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:05:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:05:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:05:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:05:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:05:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:05:39,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:05:39,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:05:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:05:39,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:05:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:05:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:05:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:05:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:05:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:05:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:05:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 11:05:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 11:05:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:39,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2021-12-18 11:05:39,311 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:05:39,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589940317] [2021-12-18 11:05:39,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589940317] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:05:39,312 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:05:39,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:05:39,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258920572] [2021-12-18 11:05:39,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:05:39,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:05:39,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:05:39,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:05:39,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:05:39,318 INFO L87 Difference]: Start difference. First operand 5180 states and 7159 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-18 11:05:44,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:05:44,961 INFO L93 Difference]: Finished difference Result 14496 states and 20205 transitions. [2021-12-18 11:05:44,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:05:44,962 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 235 [2021-12-18 11:05:44,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:05:45,019 INFO L225 Difference]: With dead ends: 14496 [2021-12-18 11:05:45,020 INFO L226 Difference]: Without dead ends: 9357 [2021-12-18 11:05:45,044 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:05:45,045 INFO L933 BasicCegarLoop]: 3679 mSDtfsCounter, 3674 mSDsluCounter, 3834 mSDsCounter, 0 mSdLazyCounter, 2598 mSolverCounterSat, 2248 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4240 SdHoareTripleChecker+Valid, 7513 SdHoareTripleChecker+Invalid, 4846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2248 IncrementalHoareTripleChecker+Valid, 2598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-12-18 11:05:45,046 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4240 Valid, 7513 Invalid, 4846 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2248 Valid, 2598 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2021-12-18 11:05:45,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9357 states. [2021-12-18 11:05:45,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9357 to 8957. [2021-12-18 11:05:45,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8957 states, 5923 states have (on average 1.2547695424615903) internal successors, (7432), 6111 states have internal predecessors, (7432), 2450 states have call successors, (2450), 574 states have call predecessors, (2450), 581 states have return successors, (2474), 2379 states have call predecessors, (2474), 2446 states have call successors, (2474) [2021-12-18 11:05:45,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8957 states to 8957 states and 12356 transitions. [2021-12-18 11:05:45,433 INFO L78 Accepts]: Start accepts. Automaton has 8957 states and 12356 transitions. Word has length 235 [2021-12-18 11:05:45,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:05:45,434 INFO L470 AbstractCegarLoop]: Abstraction has 8957 states and 12356 transitions. [2021-12-18 11:05:45,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-18 11:05:45,435 INFO L276 IsEmpty]: Start isEmpty. Operand 8957 states and 12356 transitions. [2021-12-18 11:05:45,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-12-18 11:05:45,438 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:05:45,438 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:05:45,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 11:05:45,438 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:05:45,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:05:45,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1783377358, now seen corresponding path program 1 times [2021-12-18 11:05:45,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:05:45,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718600668] [2021-12-18 11:05:45,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:05:45,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:05:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:05:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:05:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:05:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:05:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:05:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:45,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:05:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:05:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:05:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:05:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:05:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:05:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:05:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:05:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:05:45,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:05:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:05:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:05:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:05:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 11:05:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 11:05:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:45,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2021-12-18 11:05:45,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:05:45,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718600668] [2021-12-18 11:05:45,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718600668] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:05:45,785 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:05:45,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:05:45,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495955580] [2021-12-18 11:05:45,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:05:45,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:05:45,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:05:45,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:05:45,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:05:45,786 INFO L87 Difference]: Start difference. First operand 8957 states and 12356 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-18 11:05:49,629 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:05:52,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:05:52,768 INFO L93 Difference]: Finished difference Result 26499 states and 36818 transitions. [2021-12-18 11:05:52,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:05:52,769 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 238 [2021-12-18 11:05:52,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:05:52,871 INFO L225 Difference]: With dead ends: 26499 [2021-12-18 11:05:52,872 INFO L226 Difference]: Without dead ends: 17583 [2021-12-18 11:05:52,978 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:05:52,981 INFO L933 BasicCegarLoop]: 4198 mSDtfsCounter, 4150 mSDsluCounter, 3971 mSDsCounter, 0 mSdLazyCounter, 2773 mSolverCounterSat, 2333 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4815 SdHoareTripleChecker+Valid, 8169 SdHoareTripleChecker+Invalid, 5106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2333 IncrementalHoareTripleChecker+Valid, 2773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2021-12-18 11:05:52,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4815 Valid, 8169 Invalid, 5106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2333 Valid, 2773 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2021-12-18 11:05:52,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17583 states. [2021-12-18 11:05:53,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17583 to 16743. [2021-12-18 11:05:53,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16743 states, 11021 states have (on average 1.2472552399963706) internal successors, (13746), 11361 states have internal predecessors, (13746), 4596 states have call successors, (4596), 1118 states have call predecessors, (4596), 1123 states have return successors, (4620), 4465 states have call predecessors, (4620), 4592 states have call successors, (4620) [2021-12-18 11:05:53,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16743 states to 16743 states and 22962 transitions. [2021-12-18 11:05:53,545 INFO L78 Accepts]: Start accepts. Automaton has 16743 states and 22962 transitions. Word has length 238 [2021-12-18 11:05:53,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:05:53,546 INFO L470 AbstractCegarLoop]: Abstraction has 16743 states and 22962 transitions. [2021-12-18 11:05:53,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-18 11:05:53,546 INFO L276 IsEmpty]: Start isEmpty. Operand 16743 states and 22962 transitions. [2021-12-18 11:05:53,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-12-18 11:05:53,550 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:05:53,550 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:05:53,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 11:05:53,551 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:05:53,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:05:53,551 INFO L85 PathProgramCache]: Analyzing trace with hash 486120781, now seen corresponding path program 1 times [2021-12-18 11:05:53,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:05:53,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748358722] [2021-12-18 11:05:53,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:05:53,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:05:53,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:05:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:53,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:05:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:05:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:05:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:05:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:05:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:05:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:53,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:05:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:05:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:05:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:05:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:05:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:05:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:05:53,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:05:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:05:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:53,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:05:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:05:53,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 11:05:53,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 11:05:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:53,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2021-12-18 11:05:53,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:05:53,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748358722] [2021-12-18 11:05:53,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748358722] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:05:53,998 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:05:53,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:05:53,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548578063] [2021-12-18 11:05:53,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:05:53,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:05:53,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:05:54,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:05:54,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:05:54,002 INFO L87 Difference]: Start difference. First operand 16743 states and 22962 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-18 11:05:58,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:05:58,717 INFO L93 Difference]: Finished difference Result 35834 states and 49369 transitions. [2021-12-18 11:05:58,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:05:58,720 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 242 [2021-12-18 11:05:58,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:05:58,800 INFO L225 Difference]: With dead ends: 35834 [2021-12-18 11:05:58,801 INFO L226 Difference]: Without dead ends: 19132 [2021-12-18 11:05:58,853 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:05:58,855 INFO L933 BasicCegarLoop]: 4752 mSDtfsCounter, 3887 mSDsluCounter, 4392 mSDsCounter, 0 mSdLazyCounter, 2651 mSolverCounterSat, 2132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4489 SdHoareTripleChecker+Valid, 9144 SdHoareTripleChecker+Invalid, 4783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2132 IncrementalHoareTripleChecker+Valid, 2651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-18 11:05:58,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4489 Valid, 9144 Invalid, 4783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2132 Valid, 2651 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-18 11:05:58,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19132 states. [2021-12-18 11:05:59,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19132 to 18098. [2021-12-18 11:05:59,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18098 states, 11870 states have (on average 1.239090143218197) internal successors, (14708), 12250 states have internal predecessors, (14708), 4941 states have call successors, (4941), 1282 states have call predecessors, (4941), 1284 states have return successors, (4963), 4782 states have call predecessors, (4963), 4937 states have call successors, (4963) [2021-12-18 11:05:59,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18098 states to 18098 states and 24612 transitions. [2021-12-18 11:05:59,502 INFO L78 Accepts]: Start accepts. Automaton has 18098 states and 24612 transitions. Word has length 242 [2021-12-18 11:05:59,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:05:59,503 INFO L470 AbstractCegarLoop]: Abstraction has 18098 states and 24612 transitions. [2021-12-18 11:05:59,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-18 11:05:59,503 INFO L276 IsEmpty]: Start isEmpty. Operand 18098 states and 24612 transitions. [2021-12-18 11:05:59,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-12-18 11:05:59,507 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:05:59,507 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 18, 18, 18, 18, 18, 18, 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] [2021-12-18 11:05:59,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 11:05:59,507 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:05:59,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:05:59,508 INFO L85 PathProgramCache]: Analyzing trace with hash 973524136, now seen corresponding path program 1 times [2021-12-18 11:05:59,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:05:59,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738514977] [2021-12-18 11:05:59,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:05:59,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:05:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:05:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:05:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:05:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:05:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:05:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:05:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:05:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:05:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:05:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:05:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:05:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:05:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:05:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:05:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:05:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:05:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:05:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:05:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:05:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 11:05:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-18 11:05:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 11:05:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 11:05:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:05:59,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1495 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1488 trivial. 0 not checked. [2021-12-18 11:05:59,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:05:59,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738514977] [2021-12-18 11:05:59,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738514977] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:05:59,878 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:05:59,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:05:59,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419239542] [2021-12-18 11:05:59,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:05:59,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:05:59,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:05:59,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:05:59,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:05:59,880 INFO L87 Difference]: Start difference. First operand 18098 states and 24612 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-18 11:06:05,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:06:05,933 INFO L93 Difference]: Finished difference Result 48464 states and 66488 transitions. [2021-12-18 11:06:05,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:06:05,934 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 263 [2021-12-18 11:06:05,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:06:06,097 INFO L225 Difference]: With dead ends: 48464 [2021-12-18 11:06:06,097 INFO L226 Difference]: Without dead ends: 30407 [2021-12-18 11:06:06,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:06:06,178 INFO L933 BasicCegarLoop]: 4240 mSDtfsCounter, 4396 mSDsluCounter, 4090 mSDsCounter, 0 mSdLazyCounter, 2699 mSolverCounterSat, 2379 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5077 SdHoareTripleChecker+Valid, 8330 SdHoareTripleChecker+Invalid, 5078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2379 IncrementalHoareTripleChecker+Valid, 2699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-12-18 11:06:06,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5077 Valid, 8330 Invalid, 5078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2379 Valid, 2699 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2021-12-18 11:06:06,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30407 states. [2021-12-18 11:06:07,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30407 to 28995. [2021-12-18 11:06:07,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28995 states, 19217 states have (on average 1.2402560233126918) internal successors, (23834), 19843 states have internal predecessors, (23834), 7776 states have call successors, (7776), 1994 states have call predecessors, (7776), 1999 states have return successors, (7824), 7502 states have call predecessors, (7824), 7772 states have call successors, (7824) [2021-12-18 11:06:07,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28995 states to 28995 states and 39434 transitions. [2021-12-18 11:06:07,219 INFO L78 Accepts]: Start accepts. Automaton has 28995 states and 39434 transitions. Word has length 263 [2021-12-18 11:06:07,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:06:07,220 INFO L470 AbstractCegarLoop]: Abstraction has 28995 states and 39434 transitions. [2021-12-18 11:06:07,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-18 11:06:07,221 INFO L276 IsEmpty]: Start isEmpty. Operand 28995 states and 39434 transitions. [2021-12-18 11:06:07,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-12-18 11:06:07,224 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:06:07,224 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:06:07,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 11:06:07,225 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:06:07,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:06:07,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1341089088, now seen corresponding path program 1 times [2021-12-18 11:06:07,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:06:07,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388647627] [2021-12-18 11:06:07,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:06:07,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:06:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:06:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:06:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:06:07,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:06:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:06:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:06:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:06:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:06:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:06:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:06:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:06:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:06:07,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:06:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:06:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:06:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:06:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:06:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:06:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 11:06:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-18 11:06:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 11:06:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 11:06:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 11:06:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 11:06:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 11:06:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-18 11:06:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:07,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1635 trivial. 0 not checked. [2021-12-18 11:06:07,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:06:07,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388647627] [2021-12-18 11:06:07,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388647627] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:06:07,897 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:06:07,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:06:07,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882933379] [2021-12-18 11:06:07,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:06:07,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:06:07,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:06:07,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:06:07,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:06:07,899 INFO L87 Difference]: Start difference. First operand 28995 states and 39434 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-18 11:06:11,615 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:06:14,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:06:14,641 INFO L93 Difference]: Finished difference Result 88465 states and 121339 transitions. [2021-12-18 11:06:14,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:06:14,641 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 282 [2021-12-18 11:06:14,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:06:15,140 INFO L225 Difference]: With dead ends: 88465 [2021-12-18 11:06:15,141 INFO L226 Difference]: Without dead ends: 59623 [2021-12-18 11:06:15,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:06:15,259 INFO L933 BasicCegarLoop]: 5808 mSDtfsCounter, 4065 mSDsluCounter, 4974 mSDsCounter, 0 mSdLazyCounter, 2682 mSolverCounterSat, 1947 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4746 SdHoareTripleChecker+Valid, 10782 SdHoareTripleChecker+Invalid, 4629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1947 IncrementalHoareTripleChecker+Valid, 2682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-12-18 11:06:15,259 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4746 Valid, 10782 Invalid, 4629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1947 Valid, 2682 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2021-12-18 11:06:15,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59623 states. [2021-12-18 11:06:16,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59623 to 56887. [2021-12-18 11:06:16,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56887 states, 37724 states have (on average 1.2401919202629625) internal successors, (46785), 38902 states have internal predecessors, (46785), 15220 states have call successors, (15220), 3921 states have call predecessors, (15220), 3940 states have return successors, (15320), 14753 states have call predecessors, (15320), 15216 states have call successors, (15320) [2021-12-18 11:06:17,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56887 states to 56887 states and 77325 transitions. [2021-12-18 11:06:17,369 INFO L78 Accepts]: Start accepts. Automaton has 56887 states and 77325 transitions. Word has length 282 [2021-12-18 11:06:17,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:06:17,370 INFO L470 AbstractCegarLoop]: Abstraction has 56887 states and 77325 transitions. [2021-12-18 11:06:17,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-18 11:06:17,370 INFO L276 IsEmpty]: Start isEmpty. Operand 56887 states and 77325 transitions. [2021-12-18 11:06:17,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-12-18 11:06:17,374 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:06:17,375 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:06:17,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 11:06:17,375 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:06:17,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:06:17,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1200540478, now seen corresponding path program 1 times [2021-12-18 11:06:17,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:06:17,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861429789] [2021-12-18 11:06:17,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:06:17,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:06:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:06:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:06:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:06:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:06:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:06:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:06:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:17,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:06:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:06:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:06:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:06:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:06:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:06:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:06:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:06:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:06:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:06:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:06:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:06:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:17,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 11:06:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:18,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-18 11:06:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:18,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 11:06:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:18,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 11:06:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:18,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 11:06:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:18,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:18,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 11:06:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:18,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 11:06:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:18,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-18 11:06:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:18,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2021-12-18 11:06:18,082 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:06:18,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861429789] [2021-12-18 11:06:18,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861429789] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:06:18,083 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:06:18,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:06:18,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497730344] [2021-12-18 11:06:18,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:06:18,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:06:18,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:06:18,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:06:18,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:06:18,085 INFO L87 Difference]: Start difference. First operand 56887 states and 77325 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-18 11:06:23,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:06:23,723 INFO L93 Difference]: Finished difference Result 59625 states and 82016 transitions. [2021-12-18 11:06:23,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 11:06:23,724 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 282 [2021-12-18 11:06:23,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:06:24,154 INFO L225 Difference]: With dead ends: 59625 [2021-12-18 11:06:24,154 INFO L226 Difference]: Without dead ends: 59623 [2021-12-18 11:06:24,180 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 11:06:24,181 INFO L933 BasicCegarLoop]: 3389 mSDtfsCounter, 3705 mSDsluCounter, 6550 mSDsCounter, 0 mSdLazyCounter, 3052 mSolverCounterSat, 1729 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4080 SdHoareTripleChecker+Valid, 9939 SdHoareTripleChecker+Invalid, 4781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1729 IncrementalHoareTripleChecker+Valid, 3052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-12-18 11:06:24,181 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4080 Valid, 9939 Invalid, 4781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1729 Valid, 3052 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2021-12-18 11:06:24,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59623 states. [2021-12-18 11:06:25,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59623 to 56891. [2021-12-18 11:06:25,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56891 states, 37727 states have (on average 1.2401728205264135) internal successors, (46788), 38905 states have internal predecessors, (46788), 15220 states have call successors, (15220), 3922 states have call predecessors, (15220), 3941 states have return successors, (15320), 14753 states have call predecessors, (15320), 15216 states have call successors, (15320) [2021-12-18 11:06:26,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56891 states to 56891 states and 77328 transitions. [2021-12-18 11:06:26,081 INFO L78 Accepts]: Start accepts. Automaton has 56891 states and 77328 transitions. Word has length 282 [2021-12-18 11:06:26,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:06:26,083 INFO L470 AbstractCegarLoop]: Abstraction has 56891 states and 77328 transitions. [2021-12-18 11:06:26,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-18 11:06:26,083 INFO L276 IsEmpty]: Start isEmpty. Operand 56891 states and 77328 transitions. [2021-12-18 11:06:26,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-12-18 11:06:26,087 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:06:26,087 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 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, 1, 1, 1, 1, 1, 1] [2021-12-18 11:06:26,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 11:06:26,088 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:06:26,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:06:26,088 INFO L85 PathProgramCache]: Analyzing trace with hash 414044035, now seen corresponding path program 1 times [2021-12-18 11:06:26,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:06:26,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312136600] [2021-12-18 11:06:26,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:06:26,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:06:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:06:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:06:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:06:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:06:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:06:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:06:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:06:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:06:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:06:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:06:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:06:26,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:06:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:06:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:06:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:06:26,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:06:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:06:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:06:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 11:06:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-18 11:06:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 11:06:26,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 11:06:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 11:06:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 11:06:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 11:06:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-18 11:06:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:06:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:26,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2021-12-18 11:06:26,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:06:26,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312136600] [2021-12-18 11:06:26,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312136600] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:06:26,836 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:06:26,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:06:26,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233355554] [2021-12-18 11:06:26,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:06:26,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:06:26,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:06:26,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:06:26,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:06:26,838 INFO L87 Difference]: Start difference. First operand 56891 states and 77328 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-18 11:06:31,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:06:31,981 INFO L93 Difference]: Finished difference Result 59629 states and 82019 transitions. [2021-12-18 11:06:31,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 11:06:31,981 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 287 [2021-12-18 11:06:31,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:06:32,337 INFO L225 Difference]: With dead ends: 59629 [2021-12-18 11:06:32,338 INFO L226 Difference]: Without dead ends: 59627 [2021-12-18 11:06:32,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 11:06:32,362 INFO L933 BasicCegarLoop]: 3387 mSDtfsCounter, 3699 mSDsluCounter, 6538 mSDsCounter, 0 mSdLazyCounter, 3046 mSolverCounterSat, 1732 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4076 SdHoareTripleChecker+Valid, 9925 SdHoareTripleChecker+Invalid, 4778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1732 IncrementalHoareTripleChecker+Valid, 3046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-18 11:06:32,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4076 Valid, 9925 Invalid, 4778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1732 Valid, 3046 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-12-18 11:06:32,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59627 states. [2021-12-18 11:06:34,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59627 to 56895. [2021-12-18 11:06:34,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56895 states, 37730 states have (on average 1.2401537238271931) internal successors, (46791), 38908 states have internal predecessors, (46791), 15220 states have call successors, (15220), 3923 states have call predecessors, (15220), 3942 states have return successors, (15320), 14753 states have call predecessors, (15320), 15216 states have call successors, (15320) [2021-12-18 11:06:34,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56895 states to 56895 states and 77331 transitions. [2021-12-18 11:06:34,353 INFO L78 Accepts]: Start accepts. Automaton has 56895 states and 77331 transitions. Word has length 287 [2021-12-18 11:06:34,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:06:34,353 INFO L470 AbstractCegarLoop]: Abstraction has 56895 states and 77331 transitions. [2021-12-18 11:06:34,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-18 11:06:34,354 INFO L276 IsEmpty]: Start isEmpty. Operand 56895 states and 77331 transitions. [2021-12-18 11:06:34,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-12-18 11:06:34,357 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:06:34,357 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 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, 1, 1, 1, 1, 1, 1] [2021-12-18 11:06:34,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 11:06:34,357 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:06:34,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:06:34,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1850352350, now seen corresponding path program 1 times [2021-12-18 11:06:34,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:06:34,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379845070] [2021-12-18 11:06:34,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:06:34,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:06:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:06:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:06:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:06:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:06:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:06:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:06:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:06:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:06:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:06:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:06:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:06:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:06:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:06:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:06:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:06:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:06:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:06:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:06:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 11:06:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-18 11:06:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 11:06:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 11:06:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 11:06:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 11:06:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 11:06:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-18 11:06:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:06:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 11:06:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:34,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1649 trivial. 0 not checked. [2021-12-18 11:06:34,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:06:34,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379845070] [2021-12-18 11:06:34,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379845070] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:06:34,756 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:06:34,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:06:34,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131574399] [2021-12-18 11:06:34,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:06:34,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:06:34,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:06:34,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:06:34,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:06:34,757 INFO L87 Difference]: Start difference. First operand 56895 states and 77331 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-18 11:06:40,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:06:40,833 INFO L93 Difference]: Finished difference Result 59633 states and 82022 transitions. [2021-12-18 11:06:40,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 11:06:40,833 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 292 [2021-12-18 11:06:40,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:06:41,041 INFO L225 Difference]: With dead ends: 59633 [2021-12-18 11:06:41,041 INFO L226 Difference]: Without dead ends: 59631 [2021-12-18 11:06:41,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 11:06:41,071 INFO L933 BasicCegarLoop]: 3378 mSDtfsCounter, 3708 mSDsluCounter, 6520 mSDsCounter, 0 mSdLazyCounter, 3049 mSolverCounterSat, 1730 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4085 SdHoareTripleChecker+Valid, 9898 SdHoareTripleChecker+Invalid, 4779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1730 IncrementalHoareTripleChecker+Valid, 3049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-12-18 11:06:41,072 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4085 Valid, 9898 Invalid, 4779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1730 Valid, 3049 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-12-18 11:06:41,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59631 states. [2021-12-18 11:06:42,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59631 to 56899. [2021-12-18 11:06:42,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56899 states, 37733 states have (on average 1.2401346301645775) internal successors, (46794), 38911 states have internal predecessors, (46794), 15220 states have call successors, (15220), 3924 states have call predecessors, (15220), 3943 states have return successors, (15320), 14753 states have call predecessors, (15320), 15216 states have call successors, (15320) [2021-12-18 11:06:42,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56899 states to 56899 states and 77334 transitions. [2021-12-18 11:06:42,789 INFO L78 Accepts]: Start accepts. Automaton has 56899 states and 77334 transitions. Word has length 292 [2021-12-18 11:06:42,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:06:42,790 INFO L470 AbstractCegarLoop]: Abstraction has 56899 states and 77334 transitions. [2021-12-18 11:06:42,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-18 11:06:42,790 INFO L276 IsEmpty]: Start isEmpty. Operand 56899 states and 77334 transitions. [2021-12-18 11:06:42,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-12-18 11:06:42,794 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:06:42,794 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 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, 1, 1, 1, 1, 1, 1] [2021-12-18 11:06:42,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 11:06:42,794 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:06:42,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:06:42,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1138912605, now seen corresponding path program 1 times [2021-12-18 11:06:42,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:06:42,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975544241] [2021-12-18 11:06:42,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:06:42,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:06:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:06:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:06:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:06:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:06:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:06:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:06:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:06:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:06:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:06:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:06:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:06:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:06:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:06:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:06:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:06:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:06:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:06:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:06:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 11:06:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-18 11:06:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 11:06:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 11:06:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 11:06:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 11:06:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 11:06:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-18 11:06:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:06:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 11:06:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 11:06:43,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:43,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1663 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1657 trivial. 0 not checked. [2021-12-18 11:06:43,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:06:43,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975544241] [2021-12-18 11:06:43,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975544241] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:06:43,373 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:06:43,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:06:43,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562745887] [2021-12-18 11:06:43,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:06:43,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:06:43,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:06:43,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:06:43,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:06:43,374 INFO L87 Difference]: Start difference. First operand 56899 states and 77334 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-18 11:06:48,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:06:48,902 INFO L93 Difference]: Finished difference Result 59637 states and 82025 transitions. [2021-12-18 11:06:48,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 11:06:48,902 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 297 [2021-12-18 11:06:48,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:06:49,134 INFO L225 Difference]: With dead ends: 59637 [2021-12-18 11:06:49,134 INFO L226 Difference]: Without dead ends: 59635 [2021-12-18 11:06:49,173 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 11:06:49,173 INFO L933 BasicCegarLoop]: 3370 mSDtfsCounter, 3711 mSDsluCounter, 6503 mSDsCounter, 0 mSdLazyCounter, 3046 mSolverCounterSat, 1738 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4089 SdHoareTripleChecker+Valid, 9873 SdHoareTripleChecker+Invalid, 4784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1738 IncrementalHoareTripleChecker+Valid, 3046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-18 11:06:49,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4089 Valid, 9873 Invalid, 4784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1738 Valid, 3046 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-18 11:06:49,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59635 states. [2021-12-18 11:06:50,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59635 to 56903. [2021-12-18 11:06:50,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56903 states, 37736 states have (on average 1.2401155395378418) internal successors, (46797), 38914 states have internal predecessors, (46797), 15220 states have call successors, (15220), 3925 states have call predecessors, (15220), 3944 states have return successors, (15320), 14753 states have call predecessors, (15320), 15216 states have call successors, (15320) [2021-12-18 11:06:51,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56903 states to 56903 states and 77337 transitions. [2021-12-18 11:06:51,094 INFO L78 Accepts]: Start accepts. Automaton has 56903 states and 77337 transitions. Word has length 297 [2021-12-18 11:06:51,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:06:51,095 INFO L470 AbstractCegarLoop]: Abstraction has 56903 states and 77337 transitions. [2021-12-18 11:06:51,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-18 11:06:51,095 INFO L276 IsEmpty]: Start isEmpty. Operand 56903 states and 77337 transitions. [2021-12-18 11:06:51,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-12-18 11:06:51,100 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:06:51,100 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:06:51,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 11:06:51,100 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:06:51,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:06:51,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1283637886, now seen corresponding path program 1 times [2021-12-18 11:06:51,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:06:51,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509988388] [2021-12-18 11:06:51,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:06:51,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:06:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:06:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:06:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:06:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:06:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:06:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:51,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:06:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:06:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:51,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:06:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:06:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:06:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:06:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:06:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:06:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:06:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:06:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:06:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:06:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:06:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 11:06:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-18 11:06:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 11:06:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 11:06:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 11:06:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 11:06:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 11:06:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-18 11:06:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:06:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 11:06:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 11:06:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-18 11:06:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:51,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1669 trivial. 0 not checked. [2021-12-18 11:06:51,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:06:51,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509988388] [2021-12-18 11:06:51,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509988388] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:06:51,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:06:51,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:06:51,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152177325] [2021-12-18 11:06:51,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:06:51,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:06:51,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:06:51,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:06:51,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:06:51,480 INFO L87 Difference]: Start difference. First operand 56903 states and 77337 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-18 11:06:54,738 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:06:58,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:06:58,287 INFO L93 Difference]: Finished difference Result 59641 states and 82028 transitions. [2021-12-18 11:06:58,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 11:06:58,298 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 302 [2021-12-18 11:06:58,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:06:58,551 INFO L225 Difference]: With dead ends: 59641 [2021-12-18 11:06:58,552 INFO L226 Difference]: Without dead ends: 59639 [2021-12-18 11:06:58,583 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 11:06:58,584 INFO L933 BasicCegarLoop]: 3369 mSDtfsCounter, 3712 mSDsluCounter, 6502 mSDsCounter, 0 mSdLazyCounter, 3046 mSolverCounterSat, 1739 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4089 SdHoareTripleChecker+Valid, 9871 SdHoareTripleChecker+Invalid, 4785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1739 IncrementalHoareTripleChecker+Valid, 3046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-12-18 11:06:58,584 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4089 Valid, 9871 Invalid, 4785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1739 Valid, 3046 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-12-18 11:06:58,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59639 states. [2021-12-18 11:07:00,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59639 to 56907. [2021-12-18 11:07:00,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56907 states, 37739 states have (on average 1.2400964519462625) internal successors, (46800), 38917 states have internal predecessors, (46800), 15220 states have call successors, (15220), 3926 states have call predecessors, (15220), 3945 states have return successors, (15320), 14753 states have call predecessors, (15320), 15216 states have call successors, (15320) [2021-12-18 11:07:00,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56907 states to 56907 states and 77340 transitions. [2021-12-18 11:07:00,723 INFO L78 Accepts]: Start accepts. Automaton has 56907 states and 77340 transitions. Word has length 302 [2021-12-18 11:07:00,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:07:00,723 INFO L470 AbstractCegarLoop]: Abstraction has 56907 states and 77340 transitions. [2021-12-18 11:07:00,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-18 11:07:00,724 INFO L276 IsEmpty]: Start isEmpty. Operand 56907 states and 77340 transitions. [2021-12-18 11:07:00,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2021-12-18 11:07:00,728 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:07:00,729 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 6, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:07:00,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 11:07:00,729 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:07:00,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:07:00,730 INFO L85 PathProgramCache]: Analyzing trace with hash 83354770, now seen corresponding path program 1 times [2021-12-18 11:07:00,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:07:00,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626399607] [2021-12-18 11:07:00,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:07:00,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:07:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:07:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:07:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:07:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:07:00,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:07:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:07:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:07:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:07:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:07:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:07:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:07:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:07:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:07:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:07:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:07:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:07:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:07:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:00,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:01,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:07:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:01,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:01,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 11:07:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:01,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-18 11:07:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:01,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 11:07:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:01,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 11:07:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:01,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 11:07:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:01,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:01,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 11:07:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:01,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 11:07:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:01,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-18 11:07:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:01,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 11:07:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:01,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 11:07:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:01,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-18 11:07:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:01,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 11:07:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:01,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 11:07:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:01,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-18 11:07:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:01,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-18 11:07:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:01,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1707 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1691 trivial. 0 not checked. [2021-12-18 11:07:01,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:07:01,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626399607] [2021-12-18 11:07:01,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626399607] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:07:01,110 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:07:01,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 11:07:01,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424600311] [2021-12-18 11:07:01,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:07:01,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 11:07:01,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:07:01,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 11:07:01,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:07:01,111 INFO L87 Difference]: Start difference. First operand 56907 states and 77340 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, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-18 11:07:11,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:07:11,655 INFO L93 Difference]: Finished difference Result 145714 states and 199570 transitions. [2021-12-18 11:07:11,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 11:07:11,656 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, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 319 [2021-12-18 11:07:11,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:07:12,100 INFO L225 Difference]: With dead ends: 145714 [2021-12-18 11:07:12,100 INFO L226 Difference]: Without dead ends: 88960 [2021-12-18 11:07:12,305 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 11:07:12,306 INFO L933 BasicCegarLoop]: 6355 mSDtfsCounter, 4615 mSDsluCounter, 6280 mSDsCounter, 0 mSdLazyCounter, 4583 mSolverCounterSat, 3935 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5043 SdHoareTripleChecker+Valid, 12635 SdHoareTripleChecker+Invalid, 8518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3935 IncrementalHoareTripleChecker+Valid, 4583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2021-12-18 11:07:12,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5043 Valid, 12635 Invalid, 8518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3935 Valid, 4583 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2021-12-18 11:07:12,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88960 states. [2021-12-18 11:07:15,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88960 to 84815. [2021-12-18 11:07:15,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84815 states, 56262 states have (on average 1.2400376808503075) internal successors, (69767), 57992 states have internal predecessors, (69767), 22664 states have call successors, (22664), 5853 states have call predecessors, (22664), 5886 states have return successors, (22816), 22004 states have call predecessors, (22816), 22660 states have call successors, (22816) [2021-12-18 11:07:16,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84815 states to 84815 states and 115247 transitions. [2021-12-18 11:07:16,176 INFO L78 Accepts]: Start accepts. Automaton has 84815 states and 115247 transitions. Word has length 319 [2021-12-18 11:07:16,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:07:16,177 INFO L470 AbstractCegarLoop]: Abstraction has 84815 states and 115247 transitions. [2021-12-18 11:07:16,177 INFO L471 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, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-18 11:07:16,177 INFO L276 IsEmpty]: Start isEmpty. Operand 84815 states and 115247 transitions. [2021-12-18 11:07:16,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-12-18 11:07:16,181 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:07:16,181 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:07:16,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 11:07:16,182 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:07:16,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:07:16,182 INFO L85 PathProgramCache]: Analyzing trace with hash 335388099, now seen corresponding path program 1 times [2021-12-18 11:07:16,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:07:16,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418734126] [2021-12-18 11:07:16,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:07:16,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:07:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:07:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:07:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:07:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:07:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:07:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:07:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:07:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:07:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:07:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:07:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:16,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:07:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:07:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:07:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:07:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:07:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:07:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:16,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:07:16,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:07:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 11:07:16,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-18 11:07:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 11:07:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 11:07:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 11:07:16,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 11:07:16,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 11:07:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-18 11:07:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:07:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 11:07:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 11:07:16,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-18 11:07:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 11:07:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:16,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1695 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1685 trivial. 0 not checked. [2021-12-18 11:07:16,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:07:16,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418734126] [2021-12-18 11:07:16,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418734126] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:07:16,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:07:16,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:07:16,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704137762] [2021-12-18 11:07:16,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:07:16,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:07:16,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:07:16,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:07:16,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:07:16,845 INFO L87 Difference]: Start difference. First operand 84815 states and 115247 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-18 11:07:23,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:07:23,360 INFO L93 Difference]: Finished difference Result 88919 states and 122272 transitions. [2021-12-18 11:07:23,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 11:07:23,360 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 307 [2021-12-18 11:07:23,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:07:23,705 INFO L225 Difference]: With dead ends: 88919 [2021-12-18 11:07:23,705 INFO L226 Difference]: Without dead ends: 88917 [2021-12-18 11:07:23,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 11:07:23,748 INFO L933 BasicCegarLoop]: 3372 mSDtfsCounter, 3711 mSDsluCounter, 6507 mSDsCounter, 0 mSdLazyCounter, 3046 mSolverCounterSat, 1732 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4089 SdHoareTripleChecker+Valid, 9879 SdHoareTripleChecker+Invalid, 4778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1732 IncrementalHoareTripleChecker+Valid, 3046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-12-18 11:07:23,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4089 Valid, 9879 Invalid, 4778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1732 Valid, 3046 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-12-18 11:07:23,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88917 states. [2021-12-18 11:07:26,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88917 to 84819. [2021-12-18 11:07:26,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84819 states, 56265 states have (on average 1.2400248822536213) internal successors, (69770), 57995 states have internal predecessors, (69770), 22664 states have call successors, (22664), 5854 states have call predecessors, (22664), 5887 states have return successors, (22816), 22004 states have call predecessors, (22816), 22660 states have call successors, (22816) [2021-12-18 11:07:27,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84819 states to 84819 states and 115250 transitions. [2021-12-18 11:07:27,355 INFO L78 Accepts]: Start accepts. Automaton has 84819 states and 115250 transitions. Word has length 307 [2021-12-18 11:07:27,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:07:27,356 INFO L470 AbstractCegarLoop]: Abstraction has 84819 states and 115250 transitions. [2021-12-18 11:07:27,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-18 11:07:27,356 INFO L276 IsEmpty]: Start isEmpty. Operand 84819 states and 115250 transitions. [2021-12-18 11:07:27,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-12-18 11:07:27,360 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:07:27,360 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:07:27,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 11:07:27,360 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:07:27,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:07:27,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1261754700, now seen corresponding path program 1 times [2021-12-18 11:07:27,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:07:27,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172362842] [2021-12-18 11:07:27,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:07:27,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:07:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:07:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:07:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:07:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:07:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:07:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:07:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:07:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:07:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:07:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:07:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:07:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:07:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:07:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:07:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:07:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:07:27,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:07:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:07:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 11:07:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-18 11:07:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 11:07:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 11:07:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 11:07:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-18 11:07:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-18 11:07:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 11:07:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 11:07:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:27,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1638 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1635 trivial. 0 not checked. [2021-12-18 11:07:27,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:07:27,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172362842] [2021-12-18 11:07:27,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172362842] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:07:27,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:07:27,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:07:27,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748555391] [2021-12-18 11:07:27,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:07:27,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:07:27,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:07:27,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:07:27,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:07:27,698 INFO L87 Difference]: Start difference. First operand 84819 states and 115250 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-18 11:07:32,324 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []