./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-pci-ngene-ngene.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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-pci-ngene-ngene.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 df4f0c8d40dc980084ec2f9936d9bc7fc71c78b40a0de276eef2539e9d717dce --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:28:57,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:28:57,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:28:57,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:28:57,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:28:57,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:28:57,298 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:28:57,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:28:57,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:28:57,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:28:57,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:28:57,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:28:57,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:28:57,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:28:57,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:28:57,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:28:57,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:28:57,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:28:57,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:28:57,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:28:57,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:28:57,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:28:57,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:28:57,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:28:57,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:28:57,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:28:57,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:28:57,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:28:57,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:28:57,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:28:57,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:28:57,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:28:57,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:28:57,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:28:57,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:28:57,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:28:57,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:28:57,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:28:57,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:28:57,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:28:57,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:28:57,321 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:28:57,341 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:28:57,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:28:57,344 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:28:57,345 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:28:57,346 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:28:57,346 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:28:57,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:28:57,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:28:57,347 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:28:57,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:28:57,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:28:57,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:28:57,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:28:57,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:28:57,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:28:57,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:28:57,349 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:28:57,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:28:57,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:28:57,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:28:57,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:28:57,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:28:57,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:28:57,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:28:57,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:28:57,350 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:28:57,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:28:57,352 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:28:57,352 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:28:57,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:28:57,352 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:28:57,352 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df4f0c8d40dc980084ec2f9936d9bc7fc71c78b40a0de276eef2539e9d717dce [2021-12-22 15:28:57,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:28:57,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:28:57,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:28:57,600 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:28:57,601 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:28:57,602 INFO L432 ainManager$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-pci-ngene-ngene.cil.i [2021-12-22 15:28:57,677 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5981c092/ee3c6df7ccbb4025b1a5a6563e549328/FLAG0f2b4141b [2021-12-22 15:28:58,376 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:28:58,377 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-pci-ngene-ngene.cil.i [2021-12-22 15:28:58,433 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5981c092/ee3c6df7ccbb4025b1a5a6563e549328/FLAG0f2b4141b [2021-12-22 15:28:58,701 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5981c092/ee3c6df7ccbb4025b1a5a6563e549328 [2021-12-22 15:28:58,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:28:58,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:28:58,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:28:58,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:28:58,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:28:58,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:28:58" (1/1) ... [2021-12-22 15:28:58,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b726500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:28:58, skipping insertion in model container [2021-12-22 15:28:58,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:28:58" (1/1) ... [2021-12-22 15:28:58,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:28:58,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:29:01,431 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-pci-ngene-ngene.cil.i[415958,415971] [2021-12-22 15:29:01,433 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-pci-ngene-ngene.cil.i[416127,416140] [2021-12-22 15:29:01,439 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-pci-ngene-ngene.cil.i[416294,416307] [2021-12-22 15:29:01,440 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-pci-ngene-ngene.cil.i[416462,416475] [2021-12-22 15:29:01,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:29:01,529 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:29:01,882 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-pci-ngene-ngene.cil.i[415958,415971] [2021-12-22 15:29:01,883 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-pci-ngene-ngene.cil.i[416127,416140] [2021-12-22 15:29:01,883 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-pci-ngene-ngene.cil.i[416294,416307] [2021-12-22 15:29:01,883 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-pci-ngene-ngene.cil.i[416462,416475] [2021-12-22 15:29:01,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:29:01,992 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:29:01,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:29:01 WrapperNode [2021-12-22 15:29:01,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:29:01,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:29:01,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:29:01,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:29:01,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:29:01" (1/1) ... [2021-12-22 15:29:02,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:29:01" (1/1) ... [2021-12-22 15:29:02,259 INFO L137 Inliner]: procedures = 484, calls = 3172, calls flagged for inlining = 226, calls inlined = 201, statements flattened = 6855 [2021-12-22 15:29:02,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:29:02,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:29:02,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:29:02,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:29:02,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:29:01" (1/1) ... [2021-12-22 15:29:02,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:29:01" (1/1) ... [2021-12-22 15:29:02,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:29:01" (1/1) ... [2021-12-22 15:29:02,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:29:01" (1/1) ... [2021-12-22 15:29:02,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:29:01" (1/1) ... [2021-12-22 15:29:02,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:29:01" (1/1) ... [2021-12-22 15:29:02,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:29:01" (1/1) ... [2021-12-22 15:29:02,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:29:02,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:29:02,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:29:02,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:29:02,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:29:01" (1/1) ... [2021-12-22 15:29:02,680 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:29:02,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:29:02,698 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) [2021-12-22 15:29:02,722 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 [2021-12-22 15:29:02,754 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_command_mutex [2021-12-22 15:29:02,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_command_mutex [2021-12-22 15:29:02,755 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_probe [2021-12-22 15:29:02,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_probe [2021-12-22 15:29:02,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:29:02,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:29:02,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:29:02,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:29:02,755 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-22 15:29:02,756 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-22 15:29:02,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:29:02,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:29:02,756 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-12-22 15:29:02,756 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-12-22 15:29:02,756 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2021-12-22 15:29:02,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2021-12-22 15:29:02,756 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_generic_release [2021-12-22 15:29:02,757 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_generic_release [2021-12-22 15:29:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_generic_open [2021-12-22 15:29:02,757 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_generic_open [2021-12-22 15:29:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 15:29:02,757 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 15:29:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_release_buffers [2021-12-22 15:29:02,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_release_buffers [2021-12-22 15:29:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure down [2021-12-22 15:29:02,758 INFO L138 BoogieDeclarations]: Found implementation of procedure down [2021-12-22 15:29:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 15:29:02,758 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 15:29:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:29:02,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:29:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure tuner_attach_stv6110 [2021-12-22 15:29:02,758 INFO L138 BoogieDeclarations]: Found implementation of procedure tuner_attach_stv6110 [2021-12-22 15:29:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:29:02,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:29:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:29:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-12-22 15:29:02,759 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-12-22 15:29:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 15:29:02,759 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 15:29:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-22 15:29:02,759 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-22 15:29:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:29:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:29:02,760 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:29:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_command_i2c_read [2021-12-22 15:29:02,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_command_i2c_read [2021-12-22 15:29:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 15:29:02,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 15:29:02,761 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-22 15:29:02,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-22 15:29:02,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:29:02,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:29:02,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:29:02,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:29:02,763 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_ringbuffer_avail [2021-12-22 15:29:02,763 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_ringbuffer_avail [2021-12-22 15:29:02,763 INFO L130 BoogieDeclarations]: Found specification of procedure set_transfer [2021-12-22 15:29:02,763 INFO L138 BoogieDeclarations]: Found implementation of procedure set_transfer [2021-12-22 15:29:02,763 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_resume [2021-12-22 15:29:02,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_resume [2021-12-22 15:29:02,764 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_frontend_detach [2021-12-22 15:29:02,764 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_frontend_detach [2021-12-22 15:29:02,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:29:02,764 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:29:02,764 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_shutdown [2021-12-22 15:29:02,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_shutdown [2021-12-22 15:29:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:29:02,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:29:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_cmd_lock_of_ngene [2021-12-22 15:29:02,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_cmd_lock_of_ngene [2021-12-22 15:29:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:29:02,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:29:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure memset_io [2021-12-22 15:29:02,766 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_io [2021-12-22 15:29:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_frontend [2021-12-22 15:29:02,766 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_frontend [2021-12-22 15:29:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-22 15:29:02,766 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-22 15:29:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_command [2021-12-22 15:29:02,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_command [2021-12-22 15:29:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-22 15:29:02,766 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-22 15:29:02,767 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-22 15:29:02,767 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-22 15:29:02,767 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 15:29:02,767 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 15:29:02,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:29:02,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:29:02,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:29:02,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-22 15:29:02,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-22 15:29:02,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-22 15:29:02,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-22 15:29:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-12-22 15:29:02,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-12-22 15:29:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-22 15:29:02,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-22 15:29:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_ringbuffer_write [2021-12-22 15:29:02,769 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_ringbuffer_write [2021-12-22 15:29:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_frontend [2021-12-22 15:29:02,769 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_frontend [2021-12-22 15:29:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:29:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:29:02,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:29:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_remove [2021-12-22 15:29:02,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_remove [2021-12-22 15:29:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_state_lock_of_ngene_channel [2021-12-22 15:29:02,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_state_lock_of_ngene_channel [2021-12-22 15:29:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:29:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-22 15:29:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-22 15:29:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_stop [2021-12-22 15:29:02,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_stop [2021-12-22 15:29:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:29:02,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:29:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-22 15:29:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-22 15:29:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_i2c_init [2021-12-22 15:29:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_i2c_init [2021-12-22 15:29:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2021-12-22 15:29:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2021-12-22 15:29:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-22 15:29:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-22 15:29:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2021-12-22 15:29:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2021-12-22 15:29:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_ringbuffer_free [2021-12-22 15:29:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_ringbuffer_free [2021-12-22 15:29:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-22 15:29:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-22 15:29:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure init_channels [2021-12-22 15:29:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure init_channels [2021-12-22 15:29:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure free_ringbuffer [2021-12-22 15:29:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure free_ringbuffer [2021-12-22 15:29:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-22 15:29:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-22 15:29:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:29:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:29:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dvb_register_frontend [2021-12-22 15:29:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dvb_register_frontend [2021-12-22 15:29:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure AllocateRingBuffers [2021-12-22 15:29:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure AllocateRingBuffers [2021-12-22 15:29:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 15:29:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 15:29:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:29:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:29:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:29:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:29:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_ringbuffer_init [2021-12-22 15:29:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_ringbuffer_init [2021-12-22 15:29:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2021-12-22 15:29:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2021-12-22 15:29:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:29:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:29:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-22 15:29:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-22 15:29:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure demod_attach_stv0900 [2021-12-22 15:29:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure demod_attach_stv0900 [2021-12-22 15:29:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure FillTSBuffer [2021-12-22 15:29:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure FillTSBuffer [2021-12-22 15:29:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_cmd_lock_of_ngene [2021-12-22 15:29:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_cmd_lock_of_ngene [2021-12-22 15:29:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_module_exit_ngene_12_2 [2021-12-22 15:29:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_module_exit_ngene_12_2 [2021-12-22 15:29:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:29:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:29:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure create_ring_buffer [2021-12-22 15:29:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure create_ring_buffer [2021-12-22 15:29:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-22 15:29:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-22 15:29:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-22 15:29:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-22 15:29:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-12-22 15:29:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-12-22 15:29:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_command_gpio_set [2021-12-22 15:29:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_command_gpio_set [2021-12-22 15:29:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:29:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_read_eeprom [2021-12-22 15:29:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_read_eeprom [2021-12-22 15:29:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 15:29:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 15:29:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure up [2021-12-22 15:29:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2021-12-22 15:29:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:29:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:29:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure my_dvb_dmxdev_ts_card_init [2021-12-22 15:29:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure my_dvb_dmxdev_ts_card_init [2021-12-22 15:29:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:29:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:29:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-22 15:29:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-22 15:29:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:29:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:29:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-22 15:29:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-22 15:29:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_state_lock_of_ngene_channel [2021-12-22 15:29:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_state_lock_of_ngene_channel [2021-12-22 15:29:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_66 [2021-12-22 15:29:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_66 [2021-12-22 15:29:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure init_channel [2021-12-22 15:29:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure init_channel [2021-12-22 15:29:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure release_channel [2021-12-22 15:29:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure release_channel [2021-12-22 15:29:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-12-22 15:29:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-12-22 15:29:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_ringbuffer_flush [2021-12-22 15:29:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_ringbuffer_flush [2021-12-22 15:29:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:29:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2021-12-22 15:29:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2021-12-22 15:29:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-22 15:29:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-22 15:29:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:29:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:29:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-12-22 15:29:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-12-22 15:29:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_67 [2021-12-22 15:29:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_67 [2021-12-22 15:29:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2021-12-22 15:29:02,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2021-12-22 15:29:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-22 15:29:02,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-22 15:29:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure drxk_gate_ctrl [2021-12-22 15:29:02,788 INFO L138 BoogieDeclarations]: Found implementation of procedure drxk_gate_ctrl [2021-12-22 15:29:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:29:02,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:29:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 15:29:02,788 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 15:29:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-22 15:29:02,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-22 15:29:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-22 15:29:02,788 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-22 15:29:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 15:29:02,788 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 15:29:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:29:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dvb_unregister_frontend [2021-12-22 15:29:02,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dvb_unregister_frontend [2021-12-22 15:29:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:29:02,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:29:03,499 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:29:03,502 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:29:04,722 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:29:10,071 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-22 15:29:10,125 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:29:10,145 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:29:10,145 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 15:29:10,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:29:10 BoogieIcfgContainer [2021-12-22 15:29:10,149 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:29:10,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:29:10,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:29:10,154 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:29:10,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:28:58" (1/3) ... [2021-12-22 15:29:10,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e34e8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:29:10, skipping insertion in model container [2021-12-22 15:29:10,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:29:01" (2/3) ... [2021-12-22 15:29:10,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e34e8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:29:10, skipping insertion in model container [2021-12-22 15:29:10,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:29:10" (3/3) ... [2021-12-22 15:29:10,158 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-ngene-ngene.cil.i [2021-12-22 15:29:10,163 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:29:10,164 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-22 15:29:10,216 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:29:10,230 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 [2021-12-22 15:29:10,230 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-22 15:29:10,280 INFO L276 IsEmpty]: Start isEmpty. Operand has 2042 states, 1436 states have (on average 1.318941504178273) internal successors, (1894), 1458 states have internal predecessors, (1894), 493 states have call successors, (493), 111 states have call predecessors, (493), 110 states have return successors, (485), 485 states have call predecessors, (485), 485 states have call successors, (485) [2021-12-22 15:29:10,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-12-22 15:29:10,300 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:29:10,301 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:29:10,301 INFO L402 AbstractCegarLoop]: === Iteration 1 === 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)] === [2021-12-22 15:29:10,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:29:10,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1797506547, now seen corresponding path program 1 times [2021-12-22 15:29:10,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:29:10,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950840224] [2021-12-22 15:29:10,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:29:10,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:29:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:10,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:29:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:10,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:10,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:29:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:10,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:10,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:29:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:10,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:10,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:29:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:10,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:10,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:29:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:10,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:10,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:29:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:11,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:11,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:29:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:11,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:11,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:29:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:11,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:11,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:29:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:11,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:11,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:29:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:11,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:11,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:29:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:11,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:11,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:29:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:11,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:11,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-22 15:29:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:11,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-22 15:29:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:11,197 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2021-12-22 15:29:11,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:29:11,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950840224] [2021-12-22 15:29:11,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950840224] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:29:11,199 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:29:11,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:29:11,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261151204] [2021-12-22 15:29:11,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:29:11,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:29:11,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:29:11,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:29:11,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:29:11,226 INFO L87 Difference]: Start difference. First operand has 2042 states, 1436 states have (on average 1.318941504178273) internal successors, (1894), 1458 states have internal predecessors, (1894), 493 states have call successors, (493), 111 states have call predecessors, (493), 110 states have return successors, (485), 485 states have call predecessors, (485), 485 states have call successors, (485) Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2021-12-22 15:29:15,508 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:29:18,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:29:18,392 INFO L93 Difference]: Finished difference Result 6435 states and 9485 transitions. [2021-12-22 15:29:18,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:29:18,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 162 [2021-12-22 15:29:18,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:29:18,434 INFO L225 Difference]: With dead ends: 6435 [2021-12-22 15:29:18,434 INFO L226 Difference]: Without dead ends: 4395 [2021-12-22 15:29:18,454 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:29:18,457 INFO L933 BasicCegarLoop]: 3104 mSDtfsCounter, 4006 mSDsluCounter, 3722 mSDsCounter, 0 mSdLazyCounter, 1719 mSolverCounterSat, 1596 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4390 SdHoareTripleChecker+Valid, 6826 SdHoareTripleChecker+Invalid, 3316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1596 IncrementalHoareTripleChecker+Valid, 1719 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2021-12-22 15:29:18,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4390 Valid, 6826 Invalid, 3316 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1596 Valid, 1719 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2021-12-22 15:29:18,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4395 states. [2021-12-22 15:29:18,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4395 to 4337. [2021-12-22 15:29:18,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4337 states, 3111 states have (on average 1.3185470909675345) internal successors, (4102), 3166 states have internal predecessors, (4102), 994 states have call successors, (994), 209 states have call predecessors, (994), 229 states have return successors, (1190), 1014 states have call predecessors, (1190), 990 states have call successors, (1190) [2021-12-22 15:29:18,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4337 states to 4337 states and 6286 transitions. [2021-12-22 15:29:18,734 INFO L78 Accepts]: Start accepts. Automaton has 4337 states and 6286 transitions. Word has length 162 [2021-12-22 15:29:18,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:29:18,738 INFO L470 AbstractCegarLoop]: Abstraction has 4337 states and 6286 transitions. [2021-12-22 15:29:18,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2021-12-22 15:29:18,738 INFO L276 IsEmpty]: Start isEmpty. Operand 4337 states and 6286 transitions. [2021-12-22 15:29:18,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-22 15:29:18,752 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:29:18,752 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:29:18,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:29:18,752 INFO L402 AbstractCegarLoop]: === Iteration 2 === 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)] === [2021-12-22 15:29:18,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:29:18,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1705178238, now seen corresponding path program 1 times [2021-12-22 15:29:18,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:29:18,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697191713] [2021-12-22 15:29:18,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:29:18,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:29:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:19,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:29:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:19,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:19,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:29:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:19,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:19,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:29:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:19,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:19,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:29:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:19,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:19,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:29:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:19,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:19,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:29:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:19,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:19,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:19,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:29:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:19,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:19,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:29:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:19,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:19,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:29:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:19,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:19,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:29:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:19,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:19,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:29:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:19,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:19,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:29:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:19,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:19,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-22 15:29:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:19,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-22 15:29:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:19,335 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2021-12-22 15:29:19,335 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:29:19,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697191713] [2021-12-22 15:29:19,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697191713] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:29:19,336 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:29:19,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:29:19,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861227802] [2021-12-22 15:29:19,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:29:19,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:29:19,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:29:19,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:29:19,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:29:19,339 INFO L87 Difference]: Start difference. First operand 4337 states and 6286 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2021-12-22 15:29:24,910 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:29:26,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:29:26,245 INFO L93 Difference]: Finished difference Result 12845 states and 18633 transitions. [2021-12-22 15:29:26,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:29:26,246 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 164 [2021-12-22 15:29:26,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:29:26,312 INFO L225 Difference]: With dead ends: 12845 [2021-12-22 15:29:26,313 INFO L226 Difference]: Without dead ends: 8537 [2021-12-22 15:29:26,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:29:26,344 INFO L933 BasicCegarLoop]: 3055 mSDtfsCounter, 3967 mSDsluCounter, 3628 mSDsCounter, 0 mSdLazyCounter, 1723 mSolverCounterSat, 1483 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4361 SdHoareTripleChecker+Valid, 6683 SdHoareTripleChecker+Invalid, 3207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1483 IncrementalHoareTripleChecker+Valid, 1723 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-12-22 15:29:26,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4361 Valid, 6683 Invalid, 3207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1483 Valid, 1723 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2021-12-22 15:29:26,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8537 states. [2021-12-22 15:29:26,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8537 to 8476. [2021-12-22 15:29:26,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8476 states, 6102 states have (on average 1.3200589970501475) internal successors, (8055), 6204 states have internal predecessors, (8055), 1917 states have call successors, (1917), 413 states have call predecessors, (1917), 454 states have return successors, (2301), 1964 states have call predecessors, (2301), 1913 states have call successors, (2301) [2021-12-22 15:29:26,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8476 states to 8476 states and 12273 transitions. [2021-12-22 15:29:26,723 INFO L78 Accepts]: Start accepts. Automaton has 8476 states and 12273 transitions. Word has length 164 [2021-12-22 15:29:26,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:29:26,723 INFO L470 AbstractCegarLoop]: Abstraction has 8476 states and 12273 transitions. [2021-12-22 15:29:26,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2021-12-22 15:29:26,724 INFO L276 IsEmpty]: Start isEmpty. Operand 8476 states and 12273 transitions. [2021-12-22 15:29:26,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-22 15:29:26,728 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:29:26,728 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:29:26,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:29:26,729 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)] === [2021-12-22 15:29:26,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:29:26,729 INFO L85 PathProgramCache]: Analyzing trace with hash -315599694, now seen corresponding path program 1 times [2021-12-22 15:29:26,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:29:26,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512516273] [2021-12-22 15:29:26,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:29:26,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:29:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:27,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:29:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:27,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:27,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:29:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:27,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:27,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:29:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:27,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:27,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:29:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:27,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:27,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:27,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:29:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:27,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:27,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:29:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:27,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:27,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:29:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:27,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:27,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:29:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:27,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:27,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:29:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:27,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:27,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:29:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:27,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:27,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:29:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:27,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:27,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:29:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:27,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:27,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-22 15:29:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:27,324 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2021-12-22 15:29:27,324 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:29:27,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512516273] [2021-12-22 15:29:27,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512516273] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:29:27,325 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:29:27,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:29:27,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514790250] [2021-12-22 15:29:27,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:29:27,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:29:27,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:29:27,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:29:27,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:29:27,327 INFO L87 Difference]: Start difference. First operand 8476 states and 12273 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-22 15:29:32,125 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:29:32,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:29:32,717 INFO L93 Difference]: Finished difference Result 14885 states and 21449 transitions. [2021-12-22 15:29:32,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:29:32,718 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 180 [2021-12-22 15:29:32,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:29:32,750 INFO L225 Difference]: With dead ends: 14885 [2021-12-22 15:29:32,751 INFO L226 Difference]: Without dead ends: 6438 [2021-12-22 15:29:32,783 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:29:32,784 INFO L933 BasicCegarLoop]: 2956 mSDtfsCounter, 1748 mSDsluCounter, 3638 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 820 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1988 SdHoareTripleChecker+Valid, 6594 SdHoareTripleChecker+Invalid, 2260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 820 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-22 15:29:32,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1988 Valid, 6594 Invalid, 2260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [820 Valid, 1439 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2021-12-22 15:29:32,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6438 states. [2021-12-22 15:29:33,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6438 to 6381. [2021-12-22 15:29:33,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6381 states, 4569 states have (on average 1.3142919676077915) internal successors, (6005), 4638 states have internal predecessors, (6005), 1445 states have call successors, (1445), 346 states have call predecessors, (1445), 364 states have return successors, (1641), 1455 states have call predecessors, (1641), 1441 states have call successors, (1641) [2021-12-22 15:29:33,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6381 states to 6381 states and 9091 transitions. [2021-12-22 15:29:33,057 INFO L78 Accepts]: Start accepts. Automaton has 6381 states and 9091 transitions. Word has length 180 [2021-12-22 15:29:33,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:29:33,058 INFO L470 AbstractCegarLoop]: Abstraction has 6381 states and 9091 transitions. [2021-12-22 15:29:33,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-22 15:29:33,059 INFO L276 IsEmpty]: Start isEmpty. Operand 6381 states and 9091 transitions. [2021-12-22 15:29:33,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-12-22 15:29:33,063 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:29:33,063 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:29:33,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 15:29:33,063 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)] === [2021-12-22 15:29:33,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:29:33,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1633683588, now seen corresponding path program 1 times [2021-12-22 15:29:33,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:29:33,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018523458] [2021-12-22 15:29:33,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:29:33,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:29:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:29:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:29:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:33,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:29:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:29:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:29:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:29:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:29:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:29:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:33,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:29:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:29:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:29:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:29:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:33,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-22 15:29:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-22 15:29:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-22 15:29:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-22 15:29:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-22 15:29:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:33,575 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2021-12-22 15:29:33,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:29:33,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018523458] [2021-12-22 15:29:33,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018523458] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:29:33,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:29:33,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:29:33,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040167340] [2021-12-22 15:29:33,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:29:33,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:29:33,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:29:33,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:29:33,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:29:33,578 INFO L87 Difference]: Start difference. First operand 6381 states and 9091 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-22 15:29:36,376 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:29:44,184 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:29:46,332 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:29:48,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:29:48,305 INFO L93 Difference]: Finished difference Result 18317 states and 26454 transitions. [2021-12-22 15:29:48,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 15:29:48,306 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 200 [2021-12-22 15:29:48,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:29:48,363 INFO L225 Difference]: With dead ends: 18317 [2021-12-22 15:29:48,363 INFO L226 Difference]: Without dead ends: 11965 [2021-12-22 15:29:48,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:29:48,389 INFO L933 BasicCegarLoop]: 2980 mSDtfsCounter, 5411 mSDsluCounter, 4635 mSDsCounter, 0 mSdLazyCounter, 3297 mSolverCounterSat, 3339 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5808 SdHoareTripleChecker+Valid, 7615 SdHoareTripleChecker+Invalid, 6637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3339 IncrementalHoareTripleChecker+Valid, 3297 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2021-12-22 15:29:48,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5808 Valid, 7615 Invalid, 6637 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3339 Valid, 3297 Invalid, 1 Unknown, 0 Unchecked, 14.2s Time] [2021-12-22 15:29:48,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11965 states. [2021-12-22 15:29:48,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11965 to 11301. [2021-12-22 15:29:48,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11301 states, 8115 states have (on average 1.3147258163894024) internal successors, (10669), 8257 states have internal predecessors, (10669), 2537 states have call successors, (2537), 601 states have call predecessors, (2537), 646 states have return successors, (2965), 2554 states have call predecessors, (2965), 2533 states have call successors, (2965) [2021-12-22 15:29:48,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11301 states to 11301 states and 16171 transitions. [2021-12-22 15:29:48,838 INFO L78 Accepts]: Start accepts. Automaton has 11301 states and 16171 transitions. Word has length 200 [2021-12-22 15:29:48,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:29:48,839 INFO L470 AbstractCegarLoop]: Abstraction has 11301 states and 16171 transitions. [2021-12-22 15:29:48,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-22 15:29:48,839 INFO L276 IsEmpty]: Start isEmpty. Operand 11301 states and 16171 transitions. [2021-12-22 15:29:48,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-12-22 15:29:48,848 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:29:48,850 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 4, 4, 4, 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] [2021-12-22 15:29:48,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 15:29:48,850 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)] === [2021-12-22 15:29:48,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:29:48,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1195649508, now seen corresponding path program 1 times [2021-12-22 15:29:48,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:29:48,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956319032] [2021-12-22 15:29:48,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:29:48,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:29:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:29:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:29:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:29:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:29:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:29:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:29:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:29:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:29:49,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:29:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:29:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:29:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:29:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-22 15:29:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-22 15:29:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-22 15:29:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:29:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-22 15:29:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:29:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-22 15:29:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-22 15:29:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:49,492 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 794 trivial. 0 not checked. [2021-12-22 15:29:49,493 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:29:49,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956319032] [2021-12-22 15:29:49,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956319032] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:29:49,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:29:49,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:29:49,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211287983] [2021-12-22 15:29:49,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:29:49,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:29:49,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:29:49,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:29:49,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:29:49,495 INFO L87 Difference]: Start difference. First operand 11301 states and 16171 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-22 15:29:54,310 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:29:54,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:29:54,941 INFO L93 Difference]: Finished difference Result 11363 states and 16278 transitions. [2021-12-22 15:29:54,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 15:29:54,942 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 224 [2021-12-22 15:29:54,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:29:54,985 INFO L225 Difference]: With dead ends: 11363 [2021-12-22 15:29:54,985 INFO L226 Difference]: Without dead ends: 11361 [2021-12-22 15:29:55,089 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-22 15:29:55,090 INFO L933 BasicCegarLoop]: 2687 mSDtfsCounter, 3313 mSDsluCounter, 5900 mSDsCounter, 0 mSdLazyCounter, 1782 mSolverCounterSat, 1006 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3608 SdHoareTripleChecker+Valid, 8587 SdHoareTripleChecker+Invalid, 2789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1006 IncrementalHoareTripleChecker+Valid, 1782 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-22 15:29:55,090 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3608 Valid, 8587 Invalid, 2789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1006 Valid, 1782 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2021-12-22 15:29:55,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11361 states. [2021-12-22 15:29:55,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11361 to 11305. [2021-12-22 15:29:55,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11305 states, 8118 states have (on average 1.314609509731461) internal successors, (10672), 8260 states have internal predecessors, (10672), 2537 states have call successors, (2537), 602 states have call predecessors, (2537), 647 states have return successors, (2965), 2554 states have call predecessors, (2965), 2533 states have call successors, (2965) [2021-12-22 15:29:55,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11305 states to 11305 states and 16174 transitions. [2021-12-22 15:29:55,519 INFO L78 Accepts]: Start accepts. Automaton has 11305 states and 16174 transitions. Word has length 224 [2021-12-22 15:29:55,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:29:55,520 INFO L470 AbstractCegarLoop]: Abstraction has 11305 states and 16174 transitions. [2021-12-22 15:29:55,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-22 15:29:55,521 INFO L276 IsEmpty]: Start isEmpty. Operand 11305 states and 16174 transitions. [2021-12-22 15:29:55,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-12-22 15:29:55,525 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:29:55,526 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 4, 4, 4, 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] [2021-12-22 15:29:55,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 15:29:55,526 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)] === [2021-12-22 15:29:55,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:29:55,527 INFO L85 PathProgramCache]: Analyzing trace with hash 320909433, now seen corresponding path program 1 times [2021-12-22 15:29:55,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:29:55,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52481897] [2021-12-22 15:29:55,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:29:55,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:29:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:55,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:29:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:55,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:55,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:29:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:55,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:55,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:29:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:55,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:55,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:29:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:55,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:55,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:29:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:55,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:55,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:29:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:55,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:55,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:29:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:55,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:55,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:29:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:55,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:55,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:29:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:55,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:55,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:29:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:55,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:56,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:29:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:56,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:56,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:29:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:56,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:56,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-22 15:29:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:56,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-22 15:29:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:56,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-22 15:29:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:56,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:29:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:56,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-22 15:29:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:56,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:56,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:29:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:56,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-22 15:29:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:56,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-22 15:29:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:56,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-22 15:29:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:56,146 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 794 trivial. 0 not checked. [2021-12-22 15:29:56,146 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:29:56,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52481897] [2021-12-22 15:29:56,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52481897] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:29:56,146 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:29:56,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:29:56,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228451698] [2021-12-22 15:29:56,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:29:56,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:29:56,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:29:56,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:29:56,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:29:56,148 INFO L87 Difference]: Start difference. First operand 11305 states and 16174 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)