./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-media-radio-wl128x-fm_drv.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-media-radio-wl128x-fm_drv.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 34f21538f85eb9cdaa60d9a1e57757d7a04f90c8b459e1dcc8d118be409846cb --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 04:49:37,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:49:37,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:49:37,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:49:37,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:49:37,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:49:37,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:49:37,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:49:37,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:49:37,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:49:37,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:49:37,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:49:37,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:49:37,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:49:37,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:49:37,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:49:37,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:49:37,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:49:37,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:49:37,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:49:37,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:49:37,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:49:37,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:49:37,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:49:37,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:49:37,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:49:37,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:49:37,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:49:37,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:49:37,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:49:37,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:49:37,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:49:37,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:49:37,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:49:37,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:49:37,853 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:49:37,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:49:37,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:49:37,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:49:37,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:49:37,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:49:37,858 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:49:37,878 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:49:37,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:49:37,878 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:49:37,879 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:49:37,879 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:49:37,879 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:49:37,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:49:37,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:49:37,880 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:49:37,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:49:37,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:49:37,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:49:37,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:49:37,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:49:37,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:49:37,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:49:37,881 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:49:37,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:49:37,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:49:37,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:49:37,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:49:37,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:49:37,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:49:37,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:49:37,883 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:49:37,883 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:49:37,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:49:37,887 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:49:37,887 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:49:37,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:49:37,888 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:49:37,888 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34f21538f85eb9cdaa60d9a1e57757d7a04f90c8b459e1dcc8d118be409846cb [2021-12-16 04:49:38,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:49:38,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:49:38,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:49:38,096 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:49:38,097 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:49:38,098 INFO L432 ainManager$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-media-radio-wl128x-fm_drv.cil.i [2021-12-16 04:49:38,145 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8755b3380/30be0b3f839c456b8fc48a73c3769205/FLAGab0315acc [2021-12-16 04:49:38,785 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:49:38,786 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-media-radio-wl128x-fm_drv.cil.i [2021-12-16 04:49:38,826 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8755b3380/30be0b3f839c456b8fc48a73c3769205/FLAGab0315acc [2021-12-16 04:49:39,170 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8755b3380/30be0b3f839c456b8fc48a73c3769205 [2021-12-16 04:49:39,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:49:39,173 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:49:39,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:49:39,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:49:39,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:49:39,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:49:39" (1/1) ... [2021-12-16 04:49:39,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7296e90b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:49:39, skipping insertion in model container [2021-12-16 04:49:39,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:49:39" (1/1) ... [2021-12-16 04:49:39,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:49:39,339 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:49:41,420 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-media-radio-wl128x-fm_drv.cil.i[325823,325836] [2021-12-16 04:49:41,422 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-media-radio-wl128x-fm_drv.cil.i[325992,326005] [2021-12-16 04:49:41,423 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-media-radio-wl128x-fm_drv.cil.i[326159,326172] [2021-12-16 04:49:41,423 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-media-radio-wl128x-fm_drv.cil.i[326327,326340] [2021-12-16 04:49:41,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:49:41,482 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:49:41,783 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-media-radio-wl128x-fm_drv.cil.i[325823,325836] [2021-12-16 04:49:41,784 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-media-radio-wl128x-fm_drv.cil.i[325992,326005] [2021-12-16 04:49:41,784 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-media-radio-wl128x-fm_drv.cil.i[326159,326172] [2021-12-16 04:49:41,784 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-media-radio-wl128x-fm_drv.cil.i[326327,326340] [2021-12-16 04:49:41,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:49:42,021 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:49:42,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:49:42 WrapperNode [2021-12-16 04:49:42,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:49:42,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:49:42,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:49:42,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:49:42,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:49:42" (1/1) ... [2021-12-16 04:49:42,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:49:42" (1/1) ... [2021-12-16 04:49:42,288 INFO L137 Inliner]: procedures = 424, calls = 2565, calls flagged for inlining = 194, calls inlined = 144, statements flattened = 4931 [2021-12-16 04:49:42,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:49:42,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:49:42,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:49:42,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:49:42,296 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:49:42" (1/1) ... [2021-12-16 04:49:42,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:49:42" (1/1) ... [2021-12-16 04:49:42,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:49:42" (1/1) ... [2021-12-16 04:49:42,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:49:42" (1/1) ... [2021-12-16 04:49:42,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:49:42" (1/1) ... [2021-12-16 04:49:42,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:49:42" (1/1) ... [2021-12-16 04:49:42,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:49:42" (1/1) ... [2021-12-16 04:49:42,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:49:42,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:49:42,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:49:42,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:49:42,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:49:42" (1/1) ... [2021-12-16 04:49:42,485 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:49:42,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:49:42,503 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) [2021-12-16 04:49:42,509 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 [2021-12-16 04:49:42,530 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-16 04:49:42,530 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-16 04:49:42,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:49:42,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:49:42,530 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-16 04:49:42,530 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-16 04:49:42,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:49:42,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:49:42,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-16 04:49:42,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-16 04:49:42,531 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-16 04:49:42,531 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-16 04:49:42,531 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_stereo_mono [2021-12-16 04:49:42,531 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_stereo_mono [2021-12-16 04:49:42,532 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 04:49:42,532 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 04:49:42,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_59 [2021-12-16 04:49:42,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_59 [2021-12-16 04:49:42,532 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_len [2021-12-16 04:49:42,532 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_len [2021-12-16 04:49:42,532 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-12-16 04:49:42,533 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-12-16 04:49:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-16 04:49:42,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-16 04:49:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-16 04:49:42,533 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-16 04:49:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_49 [2021-12-16 04:49:42,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_49 [2021-12-16 04:49:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-12-16 04:49:42,534 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-12-16 04:49:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 04:49:42,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 04:49:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-16 04:49:42,534 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-16 04:49:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:49:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-12-16 04:49:42,535 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-12-16 04:49:42,535 INFO L130 BoogieDeclarations]: Found specification of procedure st_unregister [2021-12-16 04:49:42,535 INFO L138 BoogieDeclarations]: Found implementation of procedure st_unregister [2021-12-16 04:49:42,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 04:49:42,535 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-16 04:49:42,535 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-16 04:49:42,535 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-16 04:49:42,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-16 04:49:42,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 04:49:42,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-16 04:49:42,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-16 04:49:42,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:49:42,536 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_release [2021-12-16 04:49:42,537 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_release [2021-12-16 04:49:42,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 04:49:42,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 04:49:42,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-16 04:49:42,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-16 04:49:42,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-16 04:49:42,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-16 04:49:42,538 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_set_rds_mode [2021-12-16 04:49:42,538 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_set_rds_mode [2021-12-16 04:49:42,539 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-12-16 04:49:42,539 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-12-16 04:49:42,539 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2021-12-16 04:49:42,539 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2021-12-16 04:49:42,539 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_rds_mode [2021-12-16 04:49:42,539 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_rds_mode [2021-12-16 04:49:42,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-16 04:49:42,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-16 04:49:42,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:49:42,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-16 04:49:42,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-16 04:49:42,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-16 04:49:42,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-16 04:49:42,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-16 04:49:42,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-16 04:49:42,540 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-16 04:49:42,541 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-16 04:49:42,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:49:42,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-16 04:49:42,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-16 04:49:42,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:49:42,541 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-16 04:49:42,541 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-16 04:49:42,541 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-16 04:49:42,542 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-16 04:49:42,542 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_preemph_filter [2021-12-16 04:49:42,542 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_preemph_filter [2021-12-16 04:49:42,542 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-16 04:49:42,542 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-16 04:49:42,542 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-16 04:49:42,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-16 04:49:42,543 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-16 04:49:42,543 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-16 04:49:42,543 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-16 04:49:42,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-16 04:49:42,544 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-16 04:49:42,544 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-16 04:49:42,544 INFO L130 BoogieDeclarations]: Found specification of procedure fm_g_volatile_ctrl [2021-12-16 04:49:42,544 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_g_volatile_ctrl [2021-12-16 04:49:42,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:49:42,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:49:42,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-16 04:49:42,545 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-16 04:49:42,545 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-16 04:49:42,545 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-16 04:49:42,545 INFO L130 BoogieDeclarations]: Found specification of procedure fm_config_rx_mute_reg [2021-12-16 04:49:42,545 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_config_rx_mute_reg [2021-12-16 04:49:42,545 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-12-16 04:49:42,545 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-12-16 04:49:42,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 04:49:42,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 04:49:42,546 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_data_mode [2021-12-16 04:49:42,546 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_data_mode [2021-12-16 04:49:42,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:49:42,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:49:42,549 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_pwr_lvl [2021-12-16 04:49:42,549 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_pwr_lvl [2021-12-16 04:49:42,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-16 04:49:42,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-16 04:49:42,550 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-12-16 04:49:42,550 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-12-16 04:49:42,550 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_prepare [2021-12-16 04:49:42,550 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_prepare [2021-12-16 04:49:42,551 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_send_cmd [2021-12-16 04:49:42,555 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_send_cmd [2021-12-16 04:49:42,555 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2021-12-16 04:49:42,555 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2021-12-16 04:49:42,555 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-12-16 04:49:42,555 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-12-16 04:49:42,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_resp_skb_lock_of_fmdev [2021-12-16 04:49:42,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_resp_skb_lock_of_fmdev [2021-12-16 04:49:42,556 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-16 04:49:42,556 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-16 04:49:42,556 INFO L130 BoogieDeclarations]: Found specification of procedure fm_send_cmd [2021-12-16 04:49:42,556 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_send_cmd [2021-12-16 04:49:42,556 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-16 04:49:42,556 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-16 04:49:42,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 04:49:42,556 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 04:49:42,556 INFO L130 BoogieDeclarations]: Found specification of procedure fm_irq_call_stage [2021-12-16 04:49:42,557 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_irq_call_stage [2021-12-16 04:49:42,557 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-16 04:49:42,557 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-16 04:49:42,557 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2021-12-16 04:49:42,557 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2021-12-16 04:49:42,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:49:42,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fm_drv_exit_6_2 [2021-12-16 04:49:42,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fm_drv_exit_6_2 [2021-12-16 04:49:42,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:49:42,557 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_reset_rds_cache [2021-12-16 04:49:42,558 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_reset_rds_cache [2021-12-16 04:49:42,558 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_reset_station_info [2021-12-16 04:49:42,558 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_reset_station_info [2021-12-16 04:49:42,558 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_s_ctrl [2021-12-16 04:49:42,558 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_s_ctrl [2021-12-16 04:49:42,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:49:42,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rds_buff_lock_of_fmdev [2021-12-16 04:49:42,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rds_buff_lock_of_fmdev [2021-12-16 04:49:42,559 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-16 04:49:42,559 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-16 04:49:42,559 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~int_handler_prototype~0 [2021-12-16 04:49:42,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~int_handler_prototype~0 [2021-12-16 04:49:42,559 INFO L130 BoogieDeclarations]: Found specification of procedure enable_xmit [2021-12-16 04:49:42,559 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_xmit [2021-12-16 04:49:42,559 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-16 04:49:42,560 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-16 04:49:42,560 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_set_volume [2021-12-16 04:49:42,560 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_set_volume [2021-12-16 04:49:42,560 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-16 04:49:42,560 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-16 04:49:42,560 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-16 04:49:42,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-16 04:49:42,560 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-16 04:49:42,560 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-16 04:49:42,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-16 04:49:42,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-16 04:49:42,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-16 04:49:42,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-16 04:49:42,561 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_text [2021-12-16 04:49:42,561 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_text [2021-12-16 04:49:42,562 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-12-16 04:49:42,562 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-12-16 04:49:42,562 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_release [2021-12-16 04:49:42,562 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_release [2021-12-16 04:49:42,562 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-16 04:49:42,562 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-16 04:49:42,562 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 04:49:42,562 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 04:49:42,562 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-16 04:49:42,562 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-16 04:49:42,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:49:42,563 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-16 04:49:42,563 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-16 04:49:42,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:49:42,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:49:42,563 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_open [2021-12-16 04:49:42,563 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_open [2021-12-16 04:49:42,563 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-16 04:49:42,563 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-16 04:49:42,563 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_set_freq [2021-12-16 04:49:42,564 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_set_freq [2021-12-16 04:49:42,564 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_set_mode [2021-12-16 04:49:42,564 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_set_mode [2021-12-16 04:49:42,564 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_write [2021-12-16 04:49:42,564 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_write [2021-12-16 04:49:42,564 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-16 04:49:42,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-16 04:49:42,564 INFO L130 BoogieDeclarations]: Found specification of procedure fm_irq_call [2021-12-16 04:49:42,564 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_irq_call [2021-12-16 04:49:42,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-16 04:49:42,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-16 04:49:42,565 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-16 04:49:42,565 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-16 04:49:42,565 INFO L130 BoogieDeclarations]: Found specification of procedure fm_power_down [2021-12-16 04:49:42,565 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_power_down [2021-12-16 04:49:42,565 INFO L130 BoogieDeclarations]: Found specification of procedure fm_download_firmware [2021-12-16 04:49:42,565 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_download_firmware [2021-12-16 04:49:42,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:49:42,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-16 04:49:42,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-16 04:49:43,210 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:49:43,214 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:49:43,421 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:49:45,823 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-16 04:49:45,859 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:49:45,870 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:49:45,870 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-16 04:49:45,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:49:45 BoogieIcfgContainer [2021-12-16 04:49:45,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:49:45,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:49:45,874 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:49:45,876 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:49:45,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:49:39" (1/3) ... [2021-12-16 04:49:45,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f78caaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:49:45, skipping insertion in model container [2021-12-16 04:49:45,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:49:42" (2/3) ... [2021-12-16 04:49:45,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f78caaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:49:45, skipping insertion in model container [2021-12-16 04:49:45,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:49:45" (3/3) ... [2021-12-16 04:49:45,878 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i [2021-12-16 04:49:45,881 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:49:45,881 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-16 04:49:45,913 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:49:45,917 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 [2021-12-16 04:49:45,918 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-16 04:49:45,947 INFO L276 IsEmpty]: Start isEmpty. Operand has 1727 states, 1193 states have (on average 1.3176865046102264) internal successors, (1572), 1209 states have internal predecessors, (1572), 431 states have call successors, (431), 101 states have call predecessors, (431), 100 states have return successors, (424), 421 states have call predecessors, (424), 424 states have call successors, (424) [2021-12-16 04:49:45,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-12-16 04:49:45,961 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:49:45,961 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:49:45,962 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)] === [2021-12-16 04:49:45,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:49:45,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1187319802, now seen corresponding path program 1 times [2021-12-16 04:49:45,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:49:45,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311343708] [2021-12-16 04:49:45,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:49:45,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:49:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:49:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:49:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:49:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:49:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:49:46,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:49:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:49:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:49:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:49:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:49:46,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:49:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:49:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:49:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:49:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:49:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:49:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:49:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:49:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:49:46,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-16 04:49:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-16 04:49:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:46,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-12-16 04:49:46,958 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:49:46,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311343708] [2021-12-16 04:49:46,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311343708] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:49:46,961 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:49:46,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 04:49:46,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026028943] [2021-12-16 04:49:46,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:49:46,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 04:49:46,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:49:46,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 04:49:46,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 04:49:46,995 INFO L87 Difference]: Start difference. First operand has 1727 states, 1193 states have (on average 1.3176865046102264) internal successors, (1572), 1209 states have internal predecessors, (1572), 431 states have call successors, (431), 101 states have call predecessors, (431), 100 states have return successors, (424), 421 states have call predecessors, (424), 424 states have call successors, (424) Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-16 04:49:50,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:49:50,240 INFO L93 Difference]: Finished difference Result 5083 states and 7466 transitions. [2021-12-16 04:49:50,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:49:50,242 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 241 [2021-12-16 04:49:50,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:49:50,277 INFO L225 Difference]: With dead ends: 5083 [2021-12-16 04:49:50,278 INFO L226 Difference]: Without dead ends: 3388 [2021-12-16 04:49:50,301 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 [2021-12-16 04:49:50,304 INFO L933 BasicCegarLoop]: 2686 mSDtfsCounter, 2778 mSDsluCounter, 3268 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 989 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3032 SdHoareTripleChecker+Valid, 5954 SdHoareTripleChecker+Invalid, 2163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 989 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-16 04:49:50,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3032 Valid, 5954 Invalid, 2163 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [989 Valid, 1174 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-12-16 04:49:50,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3388 states. [2021-12-16 04:49:50,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3388 to 3208. [2021-12-16 04:49:50,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3208 states, 2240 states have (on average 1.3196428571428571) internal successors, (2956), 2270 states have internal predecessors, (2956), 774 states have call successors, (774), 192 states have call predecessors, (774), 191 states have return successors, (770), 764 states have call predecessors, (770), 770 states have call successors, (770) [2021-12-16 04:49:50,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 3208 states and 4500 transitions. [2021-12-16 04:49:50,550 INFO L78 Accepts]: Start accepts. Automaton has 3208 states and 4500 transitions. Word has length 241 [2021-12-16 04:49:50,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:49:50,554 INFO L470 AbstractCegarLoop]: Abstraction has 3208 states and 4500 transitions. [2021-12-16 04:49:50,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-16 04:49:50,554 INFO L276 IsEmpty]: Start isEmpty. Operand 3208 states and 4500 transitions. [2021-12-16 04:49:50,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-12-16 04:49:50,564 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:49:50,565 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:49:50,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 04:49:50,568 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)] === [2021-12-16 04:49:50,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:49:50,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1566926510, now seen corresponding path program 1 times [2021-12-16 04:49:50,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:49:50,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864945665] [2021-12-16 04:49:50,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:49:50,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:49:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:50,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:49:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:50,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:50,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:49:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:50,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:50,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:49:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:50,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:50,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:49:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:50,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:50,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:49:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:50,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:50,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:49:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:50,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:50,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:49:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:50,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:50,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:49:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:50,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:50,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:49:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:50,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:50,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:49:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:50,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:50,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:49:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:50,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:50,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:49:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:50,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:50,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:49:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:50,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:50,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:49:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:51,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:51,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:49:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:51,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:51,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:49:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:51,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:51,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:49:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:51,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:51,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:49:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:51,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:51,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:49:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:51,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:51,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-16 04:49:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:51,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-16 04:49:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:51,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:51,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:51,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2021-12-16 04:49:51,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:49:51,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864945665] [2021-12-16 04:49:51,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864945665] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:49:51,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:49:51,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 04:49:51,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645000061] [2021-12-16 04:49:51,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:49:51,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 04:49:51,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:49:51,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 04:49:51,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 04:49:51,208 INFO L87 Difference]: Start difference. First operand 3208 states and 4500 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-16 04:49:52,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:49:52,740 INFO L93 Difference]: Finished difference Result 6340 states and 8930 transitions. [2021-12-16 04:49:52,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:49:52,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 257 [2021-12-16 04:49:52,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:49:52,763 INFO L225 Difference]: With dead ends: 6340 [2021-12-16 04:49:52,763 INFO L226 Difference]: Without dead ends: 3175 [2021-12-16 04:49:52,779 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:49:52,780 INFO L933 BasicCegarLoop]: 2178 mSDtfsCounter, 2343 mSDsluCounter, 1181 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 584 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2538 SdHoareTripleChecker+Valid, 3359 SdHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 584 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-16 04:49:52,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2538 Valid, 3359 Invalid, 1108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [584 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-16 04:49:52,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3175 states. [2021-12-16 04:49:52,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3175 to 3003. [2021-12-16 04:49:52,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3003 states, 2105 states have (on average 1.3149643705463183) internal successors, (2768), 2117 states have internal predecessors, (2768), 712 states have call successors, (712), 184 states have call predecessors, (712), 183 states have return successors, (708), 708 states have call predecessors, (708), 708 states have call successors, (708) [2021-12-16 04:49:52,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3003 states to 3003 states and 4188 transitions. [2021-12-16 04:49:52,910 INFO L78 Accepts]: Start accepts. Automaton has 3003 states and 4188 transitions. Word has length 257 [2021-12-16 04:49:52,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:49:52,912 INFO L470 AbstractCegarLoop]: Abstraction has 3003 states and 4188 transitions. [2021-12-16 04:49:52,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-16 04:49:52,912 INFO L276 IsEmpty]: Start isEmpty. Operand 3003 states and 4188 transitions. [2021-12-16 04:49:52,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-12-16 04:49:52,917 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:49:52,917 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:49:52,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 04:49:52,918 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)] === [2021-12-16 04:49:52,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:49:52,918 INFO L85 PathProgramCache]: Analyzing trace with hash -196754073, now seen corresponding path program 1 times [2021-12-16 04:49:52,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:49:52,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404194127] [2021-12-16 04:49:52,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:49:52,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:49:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:49:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:49:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:49:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:49:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:49:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:49:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:49:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:49:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:49:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:49:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:49:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:49:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:49:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:49:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:53,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:49:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:49:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:49:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:49:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:49:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-16 04:49:53,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-16 04:49:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:49:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-16 04:49:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-16 04:49:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:49:53,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-12-16 04:49:53,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:49:53,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404194127] [2021-12-16 04:49:53,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404194127] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:49:53,598 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:49:53,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 04:49:53,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997876769] [2021-12-16 04:49:53,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:49:53,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 04:49:53,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:49:53,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 04:49:53,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:49:53,601 INFO L87 Difference]: Start difference. First operand 3003 states and 4188 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-16 04:49:59,272 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:50:00,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:50:00,153 INFO L93 Difference]: Finished difference Result 7721 states and 10893 transitions. [2021-12-16 04:50:00,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:50:00,153 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 262 [2021-12-16 04:50:00,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:50:00,180 INFO L225 Difference]: With dead ends: 7721 [2021-12-16 04:50:00,181 INFO L226 Difference]: Without dead ends: 4782 [2021-12-16 04:50:00,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-16 04:50:00,194 INFO L933 BasicCegarLoop]: 2553 mSDtfsCounter, 2575 mSDsluCounter, 4259 mSDsCounter, 0 mSdLazyCounter, 2105 mSolverCounterSat, 1016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2820 SdHoareTripleChecker+Valid, 6812 SdHoareTripleChecker+Invalid, 3121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 2105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2021-12-16 04:50:00,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2820 Valid, 6812 Invalid, 3121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1016 Valid, 2105 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2021-12-16 04:50:00,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4782 states. [2021-12-16 04:50:00,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4782 to 4400. [2021-12-16 04:50:00,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4400 states, 3069 states have (on average 1.3121537960247638) internal successors, (4027), 3090 states have internal predecessors, (4027), 1051 states have call successors, (1051), 278 states have call predecessors, (1051), 277 states have return successors, (1047), 1042 states have call predecessors, (1047), 1047 states have call successors, (1047) [2021-12-16 04:50:00,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4400 states to 4400 states and 6125 transitions. [2021-12-16 04:50:00,414 INFO L78 Accepts]: Start accepts. Automaton has 4400 states and 6125 transitions. Word has length 262 [2021-12-16 04:50:00,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:50:00,415 INFO L470 AbstractCegarLoop]: Abstraction has 4400 states and 6125 transitions. [2021-12-16 04:50:00,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-16 04:50:00,415 INFO L276 IsEmpty]: Start isEmpty. Operand 4400 states and 6125 transitions. [2021-12-16 04:50:00,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-12-16 04:50:00,421 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:50:00,422 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:50:00,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 04:50:00,422 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)] === [2021-12-16 04:50:00,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:50:00,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1552871484, now seen corresponding path program 1 times [2021-12-16 04:50:00,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:50:00,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293036827] [2021-12-16 04:50:00,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:50:00,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:50:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:50:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:50:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:50:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:50:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:00,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:50:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:50:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:50:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:50:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:50:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:50:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:50:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:50:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:50:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:50:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:50:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:50:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:00,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:50:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:50:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:50:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-16 04:50:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-16 04:50:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:00,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 04:50:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:01,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-16 04:50:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:01,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:01,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-16 04:50:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:01,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-16 04:50:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:01,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2021-12-16 04:50:01,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:50:01,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293036827] [2021-12-16 04:50:01,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293036827] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:50:01,041 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:50:01,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 04:50:01,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551554735] [2021-12-16 04:50:01,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:50:01,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 04:50:01,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:50:01,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 04:50:01,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:50:01,043 INFO L87 Difference]: Start difference. First operand 4400 states and 6125 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-16 04:50:04,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:50:04,908 INFO L93 Difference]: Finished difference Result 9766 states and 13548 transitions. [2021-12-16 04:50:04,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:50:04,909 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 307 [2021-12-16 04:50:04,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:50:04,945 INFO L225 Difference]: With dead ends: 9766 [2021-12-16 04:50:04,945 INFO L226 Difference]: Without dead ends: 5430 [2021-12-16 04:50:04,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-16 04:50:04,972 INFO L933 BasicCegarLoop]: 2340 mSDtfsCounter, 1449 mSDsluCounter, 3979 mSDsCounter, 0 mSdLazyCounter, 1942 mSolverCounterSat, 769 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1585 SdHoareTripleChecker+Valid, 6319 SdHoareTripleChecker+Invalid, 2711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 769 IncrementalHoareTripleChecker+Valid, 1942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-16 04:50:04,972 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1585 Valid, 6319 Invalid, 2711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [769 Valid, 1942 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-12-16 04:50:04,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5430 states. [2021-12-16 04:50:05,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5430 to 4909. [2021-12-16 04:50:05,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4909 states, 3399 states have (on average 1.2821418064136512) internal successors, (4358), 3431 states have internal predecessors, (4358), 1139 states have call successors, (1139), 369 states have call predecessors, (1139), 368 states have return successors, (1135), 1118 states have call predecessors, (1135), 1135 states have call successors, (1135) [2021-12-16 04:50:05,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4909 states to 4909 states and 6632 transitions. [2021-12-16 04:50:05,210 INFO L78 Accepts]: Start accepts. Automaton has 4909 states and 6632 transitions. Word has length 307 [2021-12-16 04:50:05,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:50:05,215 INFO L470 AbstractCegarLoop]: Abstraction has 4909 states and 6632 transitions. [2021-12-16 04:50:05,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-16 04:50:05,216 INFO L276 IsEmpty]: Start isEmpty. Operand 4909 states and 6632 transitions. [2021-12-16 04:50:05,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-12-16 04:50:05,219 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:50:05,220 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:50:05,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 04:50:05,220 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 04:50:05,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:50:05,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1713732093, now seen corresponding path program 1 times [2021-12-16 04:50:05,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:50:05,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201089154] [2021-12-16 04:50:05,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:50:05,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:50:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:50:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:50:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:05,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:50:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:50:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:50:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:50:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:50:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:50:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:05,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:50:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:50:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:50:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:05,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:50:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:50:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:50:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:50:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:50:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:50:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:50:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:50:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-16 04:50:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-16 04:50:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:50:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:50:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-16 04:50:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-16 04:50:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-16 04:50:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:05,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1803 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1789 trivial. 0 not checked. [2021-12-16 04:50:05,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:50:05,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201089154] [2021-12-16 04:50:05,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201089154] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:50:05,844 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:50:05,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 04:50:05,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388321355] [2021-12-16 04:50:05,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:50:05,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 04:50:05,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:50:05,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 04:50:05,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:50:05,847 INFO L87 Difference]: Start difference. First operand 4909 states and 6632 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-16 04:50:11,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:50:11,271 INFO L93 Difference]: Finished difference Result 13858 states and 19103 transitions. [2021-12-16 04:50:11,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:50:11,272 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 302 [2021-12-16 04:50:11,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:50:11,318 INFO L225 Difference]: With dead ends: 13858 [2021-12-16 04:50:11,318 INFO L226 Difference]: Without dead ends: 9417 [2021-12-16 04:50:11,342 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-16 04:50:11,344 INFO L933 BasicCegarLoop]: 3988 mSDtfsCounter, 2162 mSDsluCounter, 5740 mSDsCounter, 0 mSdLazyCounter, 2545 mSolverCounterSat, 617 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2383 SdHoareTripleChecker+Valid, 9728 SdHoareTripleChecker+Invalid, 3162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 617 IncrementalHoareTripleChecker+Valid, 2545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-16 04:50:11,347 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2383 Valid, 9728 Invalid, 3162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [617 Valid, 2545 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-12-16 04:50:11,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9417 states. [2021-12-16 04:50:11,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9417 to 8564. [2021-12-16 04:50:11,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8564 states, 5975 states have (on average 1.2922175732217573) internal successors, (7721), 6013 states have internal predecessors, (7721), 1963 states have call successors, (1963), 624 states have call predecessors, (1963), 623 states have return successors, (1959), 1942 states have call predecessors, (1959), 1959 states have call successors, (1959) [2021-12-16 04:50:11,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8564 states to 8564 states and 11643 transitions. [2021-12-16 04:50:11,719 INFO L78 Accepts]: Start accepts. Automaton has 8564 states and 11643 transitions. Word has length 302 [2021-12-16 04:50:11,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:50:11,721 INFO L470 AbstractCegarLoop]: Abstraction has 8564 states and 11643 transitions. [2021-12-16 04:50:11,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-16 04:50:11,721 INFO L276 IsEmpty]: Start isEmpty. Operand 8564 states and 11643 transitions. [2021-12-16 04:50:11,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-12-16 04:50:11,726 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:50:11,726 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:50:11,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 04:50:11,727 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)] === [2021-12-16 04:50:11,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:50:11,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1195031809, now seen corresponding path program 1 times [2021-12-16 04:50:11,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:50:11,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801236638] [2021-12-16 04:50:11,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:50:11,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:50:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:11,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:50:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:11,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:11,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:50:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:50:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:50:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:50:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:50:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:50:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:50:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:50:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:50:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:50:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:50:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:50:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:50:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:50:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:50:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:50:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:50:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:50:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-16 04:50:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-16 04:50:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:50:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:50:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-16 04:50:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-16 04:50:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-16 04:50:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:12,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1803 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2021-12-16 04:50:12,538 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:50:12,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801236638] [2021-12-16 04:50:12,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801236638] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:50:12,539 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:50:12,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 04:50:12,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966669392] [2021-12-16 04:50:12,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:50:12,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 04:50:12,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:50:12,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 04:50:12,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-16 04:50:12,541 INFO L87 Difference]: Start difference. First operand 8564 states and 11643 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-16 04:50:15,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:50:15,244 INFO L93 Difference]: Finished difference Result 9419 states and 13044 transitions. [2021-12-16 04:50:15,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 04:50:15,246 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (30), 5 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 302 [2021-12-16 04:50:15,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:50:15,348 INFO L225 Difference]: With dead ends: 9419 [2021-12-16 04:50:15,348 INFO L226 Difference]: Without dead ends: 9417 [2021-12-16 04:50:15,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2021-12-16 04:50:15,352 INFO L933 BasicCegarLoop]: 2132 mSDtfsCounter, 2703 mSDsluCounter, 4933 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 1074 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2905 SdHoareTripleChecker+Valid, 7065 SdHoareTripleChecker+Invalid, 2382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1074 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-16 04:50:15,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2905 Valid, 7065 Invalid, 2382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1074 Valid, 1308 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-12-16 04:50:15,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9417 states. [2021-12-16 04:50:15,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9417 to 8568. [2021-12-16 04:50:15,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8568 states, 5978 states have (on average 1.2920709267313484) internal successors, (7724), 6016 states have internal predecessors, (7724), 1963 states have call successors, (1963), 625 states have call predecessors, (1963), 624 states have return successors, (1959), 1942 states have call predecessors, (1959), 1959 states have call successors, (1959) [2021-12-16 04:50:15,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8568 states to 8568 states and 11646 transitions. [2021-12-16 04:50:15,678 INFO L78 Accepts]: Start accepts. Automaton has 8568 states and 11646 transitions. Word has length 302 [2021-12-16 04:50:15,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:50:15,679 INFO L470 AbstractCegarLoop]: Abstraction has 8568 states and 11646 transitions. [2021-12-16 04:50:15,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-16 04:50:15,679 INFO L276 IsEmpty]: Start isEmpty. Operand 8568 states and 11646 transitions. [2021-12-16 04:50:15,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-12-16 04:50:15,682 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:50:15,682 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:50:15,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 04:50:15,682 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)] === [2021-12-16 04:50:15,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:50:15,683 INFO L85 PathProgramCache]: Analyzing trace with hash 49873436, now seen corresponding path program 1 times [2021-12-16 04:50:15,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:50:15,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481789068] [2021-12-16 04:50:15,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:50:15,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:50:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:15,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:50:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:15,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:15,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:50:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:15,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:15,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:50:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:15,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:15,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:50:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:15,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:15,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:50:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:15,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:50:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:50:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:50:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:16,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:50:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:50:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:50:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:50:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:50:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:50:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:50:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:50:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:50:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:50:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:50:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-16 04:50:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-16 04:50:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:50:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:50:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-16 04:50:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-16 04:50:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-16 04:50:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-16 04:50:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:16,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1805 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2021-12-16 04:50:16,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:50:16,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481789068] [2021-12-16 04:50:16,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481789068] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:50:16,265 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:50:16,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 04:50:16,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634298379] [2021-12-16 04:50:16,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:50:16,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 04:50:16,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:50:16,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 04:50:16,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-16 04:50:16,266 INFO L87 Difference]: Start difference. First operand 8568 states and 11646 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-16 04:50:18,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:50:18,560 INFO L93 Difference]: Finished difference Result 9423 states and 13047 transitions. [2021-12-16 04:50:18,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 04:50:18,560 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (31), 5 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 307 [2021-12-16 04:50:18,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:50:18,594 INFO L225 Difference]: With dead ends: 9423 [2021-12-16 04:50:18,594 INFO L226 Difference]: Without dead ends: 9421 [2021-12-16 04:50:18,601 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2021-12-16 04:50:18,602 INFO L933 BasicCegarLoop]: 2136 mSDtfsCounter, 2692 mSDsluCounter, 4936 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 1073 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2893 SdHoareTripleChecker+Valid, 7072 SdHoareTripleChecker+Invalid, 2381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1073 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-16 04:50:18,602 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2893 Valid, 7072 Invalid, 2381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1073 Valid, 1308 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-16 04:50:18,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9421 states. [2021-12-16 04:50:18,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9421 to 8572. [2021-12-16 04:50:18,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8572 states, 5981 states have (on average 1.2919244273532855) internal successors, (7727), 6019 states have internal predecessors, (7727), 1963 states have call successors, (1963), 626 states have call predecessors, (1963), 625 states have return successors, (1959), 1942 states have call predecessors, (1959), 1959 states have call successors, (1959) [2021-12-16 04:50:18,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8572 states to 8572 states and 11649 transitions. [2021-12-16 04:50:18,936 INFO L78 Accepts]: Start accepts. Automaton has 8572 states and 11649 transitions. Word has length 307 [2021-12-16 04:50:18,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:50:18,938 INFO L470 AbstractCegarLoop]: Abstraction has 8572 states and 11649 transitions. [2021-12-16 04:50:18,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-16 04:50:18,938 INFO L276 IsEmpty]: Start isEmpty. Operand 8572 states and 11649 transitions. [2021-12-16 04:50:18,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-12-16 04:50:18,941 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:50:18,941 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:50:18,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 04:50:18,942 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)] === [2021-12-16 04:50:18,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:50:18,942 INFO L85 PathProgramCache]: Analyzing trace with hash -2021187753, now seen corresponding path program 1 times [2021-12-16 04:50:18,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:50:18,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817348606] [2021-12-16 04:50:18,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:50:18,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:50:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:50:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:50:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:50:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:50:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:50:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:50:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:50:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:50:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:50:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:50:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:19,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:50:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:50:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:50:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:50:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:50:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:50:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:50:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:50:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:50:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-16 04:50:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-16 04:50:19,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:50:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:50:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-16 04:50:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-16 04:50:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-16 04:50:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 04:50:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-16 04:50:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-16 04:50:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:19,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1799 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1789 trivial. 0 not checked. [2021-12-16 04:50:19,400 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:50:19,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817348606] [2021-12-16 04:50:19,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817348606] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:50:19,401 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:50:19,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:50:19,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395709788] [2021-12-16 04:50:19,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:50:19,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:50:19,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:50:19,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:50:19,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:50:19,402 INFO L87 Difference]: Start difference. First operand 8572 states and 11649 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-16 04:50:23,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:50:23,316 INFO L93 Difference]: Finished difference Result 21565 states and 29755 transitions. [2021-12-16 04:50:23,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:50:23,317 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 322 [2021-12-16 04:50:23,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:50:23,369 INFO L225 Difference]: With dead ends: 21565 [2021-12-16 04:50:23,369 INFO L226 Difference]: Without dead ends: 13461 [2021-12-16 04:50:23,400 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-12-16 04:50:23,401 INFO L933 BasicCegarLoop]: 3988 mSDtfsCounter, 2515 mSDsluCounter, 6107 mSDsCounter, 0 mSdLazyCounter, 2233 mSolverCounterSat, 1152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2735 SdHoareTripleChecker+Valid, 10095 SdHoareTripleChecker+Invalid, 3385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1152 IncrementalHoareTripleChecker+Valid, 2233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-12-16 04:50:23,401 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2735 Valid, 10095 Invalid, 3385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1152 Valid, 2233 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-12-16 04:50:23,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13461 states. [2021-12-16 04:50:23,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13461 to 12231. [2021-12-16 04:50:23,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12231 states, 8561 states have (on average 1.2958766499240744) internal successors, (11094), 8605 states have internal predecessors, (11094), 2787 states have call successors, (2787), 881 states have call predecessors, (2787), 880 states have return successors, (2783), 2766 states have call predecessors, (2783), 2783 states have call successors, (2783) [2021-12-16 04:50:23,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12231 states to 12231 states and 16664 transitions. [2021-12-16 04:50:23,930 INFO L78 Accepts]: Start accepts. Automaton has 12231 states and 16664 transitions. Word has length 322 [2021-12-16 04:50:23,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:50:23,930 INFO L470 AbstractCegarLoop]: Abstraction has 12231 states and 16664 transitions. [2021-12-16 04:50:23,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-16 04:50:23,931 INFO L276 IsEmpty]: Start isEmpty. Operand 12231 states and 16664 transitions. [2021-12-16 04:50:23,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-12-16 04:50:23,933 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:50:23,933 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:50:23,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-16 04:50:23,934 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)] === [2021-12-16 04:50:23,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:50:23,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1071531231, now seen corresponding path program 1 times [2021-12-16 04:50:23,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:50:23,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11169711] [2021-12-16 04:50:23,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:50:23,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:50:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:50:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:50:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:50:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:50:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:50:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:50:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:50:24,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:50:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:50:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:50:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:50:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:50:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:50:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:50:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:50:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:50:24,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:50:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:50:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:50:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-16 04:50:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-16 04:50:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:50:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:50:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-16 04:50:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-16 04:50:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-16 04:50:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-16 04:50:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-16 04:50:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:24,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1811 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1807 trivial. 0 not checked. [2021-12-16 04:50:24,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:50:24,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11169711] [2021-12-16 04:50:24,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11169711] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:50:24,535 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:50:24,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 04:50:24,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710212326] [2021-12-16 04:50:24,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:50:24,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 04:50:24,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:50:24,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 04:50:24,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-16 04:50:24,537 INFO L87 Difference]: Start difference. First operand 12231 states and 16664 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-16 04:50:27,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:50:27,036 INFO L93 Difference]: Finished difference Result 13440 states and 18647 transitions. [2021-12-16 04:50:27,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 04:50:27,037 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (32), 5 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 312 [2021-12-16 04:50:27,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:50:27,100 INFO L225 Difference]: With dead ends: 13440 [2021-12-16 04:50:27,101 INFO L226 Difference]: Without dead ends: 13438 [2021-12-16 04:50:27,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2021-12-16 04:50:27,114 INFO L933 BasicCegarLoop]: 2136 mSDtfsCounter, 2692 mSDsluCounter, 4936 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 1072 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2893 SdHoareTripleChecker+Valid, 7072 SdHoareTripleChecker+Invalid, 2380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1072 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-16 04:50:27,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2893 Valid, 7072 Invalid, 2380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1072 Valid, 1308 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-16 04:50:27,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13438 states. [2021-12-16 04:50:27,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13438 to 12235. [2021-12-16 04:50:27,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12235 states, 8564 states have (on average 1.2957730032695003) internal successors, (11097), 8608 states have internal predecessors, (11097), 2787 states have call successors, (2787), 882 states have call predecessors, (2787), 881 states have return successors, (2783), 2766 states have call predecessors, (2783), 2783 states have call successors, (2783) [2021-12-16 04:50:27,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12235 states to 12235 states and 16667 transitions. [2021-12-16 04:50:27,573 INFO L78 Accepts]: Start accepts. Automaton has 12235 states and 16667 transitions. Word has length 312 [2021-12-16 04:50:27,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:50:27,573 INFO L470 AbstractCegarLoop]: Abstraction has 12235 states and 16667 transitions. [2021-12-16 04:50:27,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-16 04:50:27,574 INFO L276 IsEmpty]: Start isEmpty. Operand 12235 states and 16667 transitions. [2021-12-16 04:50:27,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-12-16 04:50:27,576 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:50:27,577 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:50:27,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-16 04:50:27,577 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)] === [2021-12-16 04:50:27,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:50:27,577 INFO L85 PathProgramCache]: Analyzing trace with hash 919624636, now seen corresponding path program 1 times [2021-12-16 04:50:27,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:50:27,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647578626] [2021-12-16 04:50:27,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:50:27,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:50:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:27,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:50:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:27,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:27,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:50:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:27,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:27,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:50:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:27,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:27,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:50:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:27,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:27,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:50:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:27,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:27,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:50:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:27,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:27,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:50:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:27,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:27,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:50:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:27,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:27,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:50:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:27,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:27,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:50:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:27,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:27,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:50:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:27,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:27,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:50:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:27,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:27,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:50:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:27,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:28,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:50:28,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:28,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:28,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:50:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:28,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:28,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:50:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:28,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:28,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:50:28,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:28,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:28,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:50:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:28,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:28,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:28,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:50:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:28,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:28,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-16 04:50:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:28,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-16 04:50:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:28,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:50:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:28,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:28,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:50:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:28,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:50:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:28,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-16 04:50:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:28,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-16 04:50:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:28,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-16 04:50:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:28,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-16 04:50:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:28,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-16 04:50:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:28,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-16 04:50:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:50:28,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1815 trivial. 0 not checked. [2021-12-16 04:50:28,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:50:28,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647578626] [2021-12-16 04:50:28,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647578626] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:50:28,201 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:50:28,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 04:50:28,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124312547] [2021-12-16 04:50:28,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:50:28,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 04:50:28,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:50:28,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 04:50:28,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-16 04:50:28,203 INFO L87 Difference]: Start difference. First operand 12235 states and 16667 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31)