./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 ae007674 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-ae00767 [2021-12-28 04:47:01,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:47:01,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:47:01,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:47:01,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:47:01,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:47:01,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:47:01,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:47:01,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:47:01,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:47:01,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:47:01,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:47:01,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:47:01,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:47:01,244 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:47:01,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:47:01,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:47:01,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:47:01,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:47:01,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:47:01,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:47:01,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:47:01,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:47:01,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:47:01,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:47:01,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:47:01,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:47:01,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:47:01,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:47:01,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:47:01,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:47:01,263 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:47:01,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:47:01,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:47:01,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:47:01,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:47:01,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:47:01,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:47:01,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:47:01,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:47:01,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:47:01,272 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:47:01,300 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:47:01,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:47:01,301 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:47:01,301 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:47:01,302 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:47:01,302 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:47:01,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:47:01,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:47:01,304 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:47:01,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:47:01,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:47:01,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:47:01,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:47:01,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:47:01,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:47:01,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:47:01,305 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:47:01,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:47:01,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:47:01,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:47:01,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:47:01,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:47:01,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:47:01,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:47:01,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:47:01,307 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:47:01,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:47:01,307 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:47:01,307 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:47:01,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:47:01,308 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df4f0c8d40dc980084ec2f9936d9bc7fc71c78b40a0de276eef2539e9d717dce [2021-12-28 04:47:01,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:47:01,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:47:01,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:47:01,707 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:47:01,707 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:47:01,709 INFO L432 ainManager$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 [2021-12-28 04:47:01,753 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aea06694/c1e0791fd6d04d45b4c61daab37f0e09/FLAGfc8da5717 [2021-12-28 04:47:02,467 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:47:02,468 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 [2021-12-28 04:47:02,508 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aea06694/c1e0791fd6d04d45b4c61daab37f0e09/FLAGfc8da5717 [2021-12-28 04:47:02,785 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aea06694/c1e0791fd6d04d45b4c61daab37f0e09 [2021-12-28 04:47:02,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:47:02,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:47:02,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:47:02,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:47:02,792 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:47:02,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:47:02" (1/1) ... [2021-12-28 04:47:02,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e56aa3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:47:02, skipping insertion in model container [2021-12-28 04:47:02,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:47:02" (1/1) ... [2021-12-28 04:47:02,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:47:02,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:47:04,943 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] [2021-12-28 04:47:04,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-ngene-ngene.cil.i[416127,416140] [2021-12-28 04:47:04,946 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-ngene-ngene.cil.i[416294,416307] [2021-12-28 04:47:04,946 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-ngene-ngene.cil.i[416462,416475] [2021-12-28 04:47:04,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:47:05,009 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:47:05,434 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] [2021-12-28 04:47:05,435 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] [2021-12-28 04:47:05,436 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] [2021-12-28 04:47:05,436 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] [2021-12-28 04:47:05,439 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:47:05,543 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:47:05,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:47:05 WrapperNode [2021-12-28 04:47:05,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:47:05,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:47:05,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:47:05,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:47:05,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:47:05" (1/1) ... [2021-12-28 04:47:05,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:47:05" (1/1) ... [2021-12-28 04:47:05,809 INFO L137 Inliner]: procedures = 484, calls = 3172, calls flagged for inlining = 226, calls inlined = 201, statements flattened = 6855 [2021-12-28 04:47:05,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:47:05,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:47:05,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:47:05,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:47:05,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:47:05" (1/1) ... [2021-12-28 04:47:05,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:47:05" (1/1) ... [2021-12-28 04:47:05,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:47:05" (1/1) ... [2021-12-28 04:47:05,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:47:05" (1/1) ... [2021-12-28 04:47:06,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:47:05" (1/1) ... [2021-12-28 04:47:06,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:47:05" (1/1) ... [2021-12-28 04:47:06,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:47:05" (1/1) ... [2021-12-28 04:47:06,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:47:06,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:47:06,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:47:06,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:47:06,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:47:05" (1/1) ... [2021-12-28 04:47:06,196 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:47:06,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:47:06,257 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) [2021-12-28 04:47:06,290 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 [2021-12-28 04:47:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_command_mutex [2021-12-28 04:47:06,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_command_mutex [2021-12-28 04:47:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_probe [2021-12-28 04:47:06,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_probe [2021-12-28 04:47:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:47:06,328 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:47:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:47:06,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:47:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-28 04:47:06,328 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-28 04:47:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 04:47:06,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 04:47:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-12-28 04:47:06,329 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-12-28 04:47:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2021-12-28 04:47:06,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2021-12-28 04:47:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_generic_release [2021-12-28 04:47:06,329 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_generic_release [2021-12-28 04:47:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_generic_open [2021-12-28 04:47:06,330 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_generic_open [2021-12-28 04:47:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 04:47:06,330 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 04:47:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_release_buffers [2021-12-28 04:47:06,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_release_buffers [2021-12-28 04:47:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure down [2021-12-28 04:47:06,330 INFO L138 BoogieDeclarations]: Found implementation of procedure down [2021-12-28 04:47:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 04:47:06,331 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 04:47:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 04:47:06,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 04:47:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure tuner_attach_stv6110 [2021-12-28 04:47:06,331 INFO L138 BoogieDeclarations]: Found implementation of procedure tuner_attach_stv6110 [2021-12-28 04:47:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:47:06,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:47:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:47:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-12-28 04:47:06,332 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-12-28 04:47:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 04:47:06,332 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 04:47:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-28 04:47:06,333 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-28 04:47:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:47:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 04:47:06,333 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 04:47:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_command_i2c_read [2021-12-28 04:47:06,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_command_i2c_read [2021-12-28 04:47:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 04:47:06,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 04:47:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-28 04:47:06,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-28 04:47:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:47:06,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 04:47:06,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 04:47:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:47:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_ringbuffer_avail [2021-12-28 04:47:06,336 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_ringbuffer_avail [2021-12-28 04:47:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure set_transfer [2021-12-28 04:47:06,337 INFO L138 BoogieDeclarations]: Found implementation of procedure set_transfer [2021-12-28 04:47:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_resume [2021-12-28 04:47:06,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_resume [2021-12-28 04:47:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_frontend_detach [2021-12-28 04:47:06,337 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_frontend_detach [2021-12-28 04:47:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:47:06,337 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:47:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_shutdown [2021-12-28 04:47:06,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_shutdown [2021-12-28 04:47:06,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 04:47:06,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 04:47:06,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_cmd_lock_of_ngene [2021-12-28 04:47:06,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_cmd_lock_of_ngene [2021-12-28 04:47:06,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-28 04:47:06,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-28 04:47:06,339 INFO L130 BoogieDeclarations]: Found specification of procedure memset_io [2021-12-28 04:47:06,339 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_io [2021-12-28 04:47:06,339 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_frontend [2021-12-28 04:47:06,339 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_frontend [2021-12-28 04:47:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-28 04:47:06,340 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-28 04:47:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_command [2021-12-28 04:47:06,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_command [2021-12-28 04:47:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-28 04:47:06,340 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-28 04:47:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-28 04:47:06,340 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-28 04:47:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 04:47:06,341 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 04:47:06,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 04:47:06,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 04:47:06,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:47:06,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-28 04:47:06,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-28 04:47:06,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-28 04:47:06,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-28 04:47:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-12-28 04:47:06,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-12-28 04:47:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-28 04:47:06,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-28 04:47:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_ringbuffer_write [2021-12-28 04:47:06,343 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_ringbuffer_write [2021-12-28 04:47:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_frontend [2021-12-28 04:47:06,343 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_frontend [2021-12-28 04:47:06,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:47:06,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 04:47:06,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 04:47:06,344 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_remove [2021-12-28 04:47:06,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_remove [2021-12-28 04:47:06,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_state_lock_of_ngene_channel [2021-12-28 04:47:06,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_state_lock_of_ngene_channel [2021-12-28 04:47:06,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:47:06,345 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-28 04:47:06,345 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-28 04:47:06,346 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_stop [2021-12-28 04:47:06,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_stop [2021-12-28 04:47:06,347 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:47:06,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:47:06,347 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-28 04:47:06,347 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-28 04:47:06,347 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_i2c_init [2021-12-28 04:47:06,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_i2c_init [2021-12-28 04:47:06,347 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2021-12-28 04:47:06,348 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2021-12-28 04:47:06,348 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-28 04:47:06,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-28 04:47:06,348 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2021-12-28 04:47:06,348 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2021-12-28 04:47:06,348 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_ringbuffer_free [2021-12-28 04:47:06,348 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_ringbuffer_free [2021-12-28 04:47:06,348 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-28 04:47:06,349 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-28 04:47:06,349 INFO L130 BoogieDeclarations]: Found specification of procedure init_channels [2021-12-28 04:47:06,349 INFO L138 BoogieDeclarations]: Found implementation of procedure init_channels [2021-12-28 04:47:06,349 INFO L130 BoogieDeclarations]: Found specification of procedure free_ringbuffer [2021-12-28 04:47:06,349 INFO L138 BoogieDeclarations]: Found implementation of procedure free_ringbuffer [2021-12-28 04:47:06,349 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-28 04:47:06,349 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-28 04:47:06,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:47:06,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:47:06,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dvb_register_frontend [2021-12-28 04:47:06,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dvb_register_frontend [2021-12-28 04:47:06,350 INFO L130 BoogieDeclarations]: Found specification of procedure AllocateRingBuffers [2021-12-28 04:47:06,350 INFO L138 BoogieDeclarations]: Found implementation of procedure AllocateRingBuffers [2021-12-28 04:47:06,350 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-28 04:47:06,350 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-28 04:47:06,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:47:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:47:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:47:06,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:47:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_ringbuffer_init [2021-12-28 04:47:06,351 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_ringbuffer_init [2021-12-28 04:47:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2021-12-28 04:47:06,351 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2021-12-28 04:47:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 04:47:06,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 04:47:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-28 04:47:06,352 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-28 04:47:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure demod_attach_stv0900 [2021-12-28 04:47:06,352 INFO L138 BoogieDeclarations]: Found implementation of procedure demod_attach_stv0900 [2021-12-28 04:47:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure FillTSBuffer [2021-12-28 04:47:06,352 INFO L138 BoogieDeclarations]: Found implementation of procedure FillTSBuffer [2021-12-28 04:47:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_cmd_lock_of_ngene [2021-12-28 04:47:06,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_cmd_lock_of_ngene [2021-12-28 04:47:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_module_exit_ngene_12_2 [2021-12-28 04:47:06,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_module_exit_ngene_12_2 [2021-12-28 04:47:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:47:06,353 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:47:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure create_ring_buffer [2021-12-28 04:47:06,353 INFO L138 BoogieDeclarations]: Found implementation of procedure create_ring_buffer [2021-12-28 04:47:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-28 04:47:06,354 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-28 04:47:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-28 04:47:06,354 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-28 04:47:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-12-28 04:47:06,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-12-28 04:47:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_command_gpio_set [2021-12-28 04:47:06,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_command_gpio_set [2021-12-28 04:47:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:47:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_read_eeprom [2021-12-28 04:47:06,355 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_read_eeprom [2021-12-28 04:47:06,355 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:47:06,355 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:47:06,355 INFO L130 BoogieDeclarations]: Found specification of procedure up [2021-12-28 04:47:06,355 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2021-12-28 04:47:06,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:47:06,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:47:06,355 INFO L130 BoogieDeclarations]: Found specification of procedure my_dvb_dmxdev_ts_card_init [2021-12-28 04:47:06,356 INFO L138 BoogieDeclarations]: Found implementation of procedure my_dvb_dmxdev_ts_card_init [2021-12-28 04:47:06,356 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-28 04:47:06,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-28 04:47:06,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-28 04:47:06,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-28 04:47:06,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 04:47:06,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 04:47:06,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-28 04:47:06,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-28 04:47:06,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_state_lock_of_ngene_channel [2021-12-28 04:47:06,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_state_lock_of_ngene_channel [2021-12-28 04:47:06,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_66 [2021-12-28 04:47:06,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_66 [2021-12-28 04:47:06,357 INFO L130 BoogieDeclarations]: Found specification of procedure init_channel [2021-12-28 04:47:06,357 INFO L138 BoogieDeclarations]: Found implementation of procedure init_channel [2021-12-28 04:47:06,357 INFO L130 BoogieDeclarations]: Found specification of procedure release_channel [2021-12-28 04:47:06,357 INFO L138 BoogieDeclarations]: Found implementation of procedure release_channel [2021-12-28 04:47:06,357 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-12-28 04:47:06,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-12-28 04:47:06,358 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_ringbuffer_flush [2021-12-28 04:47:06,358 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_ringbuffer_flush [2021-12-28 04:47:06,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:47:06,358 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2021-12-28 04:47:06,359 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2021-12-28 04:47:06,359 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-28 04:47:06,359 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-28 04:47:06,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:47:06,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:47:06,359 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-12-28 04:47:06,359 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-12-28 04:47:06,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_67 [2021-12-28 04:47:06,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_67 [2021-12-28 04:47:06,360 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2021-12-28 04:47:06,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2021-12-28 04:47:06,360 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-28 04:47:06,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-28 04:47:06,360 INFO L130 BoogieDeclarations]: Found specification of procedure drxk_gate_ctrl [2021-12-28 04:47:06,360 INFO L138 BoogieDeclarations]: Found implementation of procedure drxk_gate_ctrl [2021-12-28 04:47:06,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 04:47:06,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 04:47:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-28 04:47:06,361 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-28 04:47:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:47:06,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:47:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-28 04:47:06,361 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-28 04:47:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-28 04:47:06,361 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-28 04:47:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:47:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dvb_unregister_frontend [2021-12-28 04:47:06,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dvb_unregister_frontend [2021-12-28 04:47:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 04:47:06,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 04:47:07,108 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:47:07,110 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:47:08,302 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:47:13,515 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-28 04:47:13,573 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:47:13,611 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:47:13,612 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-28 04:47:13,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:47:13 BoogieIcfgContainer [2021-12-28 04:47:13,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:47:13,617 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:47:13,617 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:47:13,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:47:13,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:47:02" (1/3) ... [2021-12-28 04:47:13,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3bb9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:47:13, skipping insertion in model container [2021-12-28 04:47:13,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:47:05" (2/3) ... [2021-12-28 04:47:13,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3bb9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:47:13, skipping insertion in model container [2021-12-28 04:47:13,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:47:13" (3/3) ... [2021-12-28 04:47:13,626 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-ngene-ngene.cil.i [2021-12-28 04:47:13,629 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:47:13,629 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-28 04:47:13,691 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:47:13,700 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 [2021-12-28 04:47:13,700 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-28 04:47:13,741 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) [2021-12-28 04:47:13,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-12-28 04:47:13,754 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:47:13,755 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] [2021-12-28 04:47:13,756 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)] === [2021-12-28 04:47:13,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:47:13,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1797506547, now seen corresponding path program 1 times [2021-12-28 04:47:13,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:47:13,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880077421] [2021-12-28 04:47:13,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:47:13,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:47:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:14,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:47:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:14,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:14,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:47:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:14,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:14,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:47:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:14,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:14,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:47:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:14,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:14,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:47:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:14,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:14,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:47:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:14,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:14,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:47:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:14,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:14,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:47:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:14,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:14,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:47:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:14,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:14,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:47:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:14,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:14,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:47:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:14,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:14,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:14,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:47:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:14,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:14,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 04:47:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:14,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-28 04:47:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:14,700 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2021-12-28 04:47:14,702 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:47:14,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880077421] [2021-12-28 04:47:14,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880077421] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:47:14,707 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:47:14,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:47:14,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051962685] [2021-12-28 04:47:14,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:47:14,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:47:14,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:47:14,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:47:14,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:47:14,735 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) [2021-12-28 04:47:19,103 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 [] [2021-12-28 04:47:21,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:47:21,835 INFO L93 Difference]: Finished difference Result 6435 states and 9485 transitions. [2021-12-28 04:47:21,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:47:21,837 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 [2021-12-28 04:47:21,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:47:21,964 INFO L225 Difference]: With dead ends: 6435 [2021-12-28 04:47:21,965 INFO L226 Difference]: Without dead ends: 4395 [2021-12-28 04:47:21,983 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 [2021-12-28 04:47:21,986 INFO L933 BasicCegarLoop]: 3114 mSDtfsCounter, 4006 mSDsluCounter, 3386 mSDsCounter, 0 mSdLazyCounter, 2067 mSolverCounterSat, 1596 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4380 SdHoareTripleChecker+Valid, 6500 SdHoareTripleChecker+Invalid, 3664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1596 IncrementalHoareTripleChecker+Valid, 2067 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2021-12-28 04:47:21,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4380 Valid, 6500 Invalid, 3664 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1596 Valid, 2067 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2021-12-28 04:47:22,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4395 states. [2021-12-28 04:47:22,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4395 to 4337. [2021-12-28 04:47:22,242 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) [2021-12-28 04:47:22,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4337 states to 4337 states and 6286 transitions. [2021-12-28 04:47:22,273 INFO L78 Accepts]: Start accepts. Automaton has 4337 states and 6286 transitions. Word has length 162 [2021-12-28 04:47:22,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:47:22,276 INFO L470 AbstractCegarLoop]: Abstraction has 4337 states and 6286 transitions. [2021-12-28 04:47:22,276 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) [2021-12-28 04:47:22,276 INFO L276 IsEmpty]: Start isEmpty. Operand 4337 states and 6286 transitions. [2021-12-28 04:47:22,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-28 04:47:22,283 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:47:22,283 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] [2021-12-28 04:47:22,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:47:22,284 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)] === [2021-12-28 04:47:22,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:47:22,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1705178238, now seen corresponding path program 1 times [2021-12-28 04:47:22,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:47:22,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175237241] [2021-12-28 04:47:22,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:47:22,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:47:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:22,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:47:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:22,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:22,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:47:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:22,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:22,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:47:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:22,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:22,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:47:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:22,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:22,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:47:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:22,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:22,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:47:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:22,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:22,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:47:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:22,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:22,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:47:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:22,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:22,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:47:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:22,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:22,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:47:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:22,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:22,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:47:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:22,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:22,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:47:22,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:22,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:22,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 04:47:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:22,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-28 04:47:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:22,851 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2021-12-28 04:47:22,851 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:47:22,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175237241] [2021-12-28 04:47:22,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175237241] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:47:22,853 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:47:22,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:47:22,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735249512] [2021-12-28 04:47:22,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:47:22,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:47:22,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:47:22,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:47:22,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:47:22,858 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) [2021-12-28 04:47:28,100 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 [] [2021-12-28 04:47:29,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:47:29,263 INFO L93 Difference]: Finished difference Result 12845 states and 18633 transitions. [2021-12-28 04:47:29,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:47:29,264 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 [2021-12-28 04:47:29,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:47:29,311 INFO L225 Difference]: With dead ends: 12845 [2021-12-28 04:47:29,311 INFO L226 Difference]: Without dead ends: 8537 [2021-12-28 04:47:29,330 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 [2021-12-28 04:47:29,331 INFO L933 BasicCegarLoop]: 3045 mSDtfsCounter, 3967 mSDsluCounter, 3273 mSDsCounter, 0 mSdLazyCounter, 2058 mSolverCounterSat, 1483 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4361 SdHoareTripleChecker+Valid, 6318 SdHoareTripleChecker+Invalid, 3542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1483 IncrementalHoareTripleChecker+Valid, 2058 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2021-12-28 04:47:29,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4361 Valid, 6318 Invalid, 3542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1483 Valid, 2058 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2021-12-28 04:47:29,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8537 states. [2021-12-28 04:47:29,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8537 to 8476. [2021-12-28 04:47:29,579 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) [2021-12-28 04:47:29,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8476 states to 8476 states and 12273 transitions. [2021-12-28 04:47:29,621 INFO L78 Accepts]: Start accepts. Automaton has 8476 states and 12273 transitions. Word has length 164 [2021-12-28 04:47:29,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:47:29,622 INFO L470 AbstractCegarLoop]: Abstraction has 8476 states and 12273 transitions. [2021-12-28 04:47:29,622 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) [2021-12-28 04:47:29,623 INFO L276 IsEmpty]: Start isEmpty. Operand 8476 states and 12273 transitions. [2021-12-28 04:47:29,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-28 04:47:29,628 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:47:29,628 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] [2021-12-28 04:47:29,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:47:29,629 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)] === [2021-12-28 04:47:29,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:47:29,629 INFO L85 PathProgramCache]: Analyzing trace with hash -315599694, now seen corresponding path program 1 times [2021-12-28 04:47:29,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:47:29,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060663645] [2021-12-28 04:47:29,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:47:29,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:47:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:29,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:47:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:29,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:29,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:47:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:29,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:29,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:47:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:29,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:29,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:47:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:29,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:29,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:47:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:29,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:29,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:47:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:29,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:29,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:47:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:29,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:29,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:47:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:30,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:30,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:47:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:30,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:30,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:47:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:30,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:30,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:47:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:30,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:30,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:47:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:30,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:30,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:30,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 04:47:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:30,115 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2021-12-28 04:47:30,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:47:30,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060663645] [2021-12-28 04:47:30,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060663645] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:47:30,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:47:30,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:47:30,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294248218] [2021-12-28 04:47:30,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:47:30,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:47:30,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:47:30,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:47:30,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:47:30,118 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) [2021-12-28 04:47:34,978 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:47:35,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:47:35,563 INFO L93 Difference]: Finished difference Result 14885 states and 21449 transitions. [2021-12-28 04:47:35,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:47:35,563 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 [2021-12-28 04:47:35,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:47:35,596 INFO L225 Difference]: With dead ends: 14885 [2021-12-28 04:47:35,596 INFO L226 Difference]: Without dead ends: 6438 [2021-12-28 04:47:35,626 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 [2021-12-28 04:47:35,629 INFO L933 BasicCegarLoop]: 2956 mSDtfsCounter, 1748 mSDsluCounter, 3298 mSDsCounter, 0 mSdLazyCounter, 1779 mSolverCounterSat, 820 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1988 SdHoareTripleChecker+Valid, 6254 SdHoareTripleChecker+Invalid, 2600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 820 IncrementalHoareTripleChecker+Valid, 1779 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-28 04:47:35,631 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1988 Valid, 6254 Invalid, 2600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [820 Valid, 1779 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2021-12-28 04:47:35,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6438 states. [2021-12-28 04:47:35,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6438 to 6381. [2021-12-28 04:47:35,774 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) [2021-12-28 04:47:35,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6381 states to 6381 states and 9091 transitions. [2021-12-28 04:47:35,798 INFO L78 Accepts]: Start accepts. Automaton has 6381 states and 9091 transitions. Word has length 180 [2021-12-28 04:47:35,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:47:35,799 INFO L470 AbstractCegarLoop]: Abstraction has 6381 states and 9091 transitions. [2021-12-28 04:47:35,800 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) [2021-12-28 04:47:35,800 INFO L276 IsEmpty]: Start isEmpty. Operand 6381 states and 9091 transitions. [2021-12-28 04:47:35,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-12-28 04:47:35,802 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:47:35,803 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] [2021-12-28 04:47:35,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 04:47:35,803 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)] === [2021-12-28 04:47:35,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:47:35,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1633683588, now seen corresponding path program 1 times [2021-12-28 04:47:35,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:47:35,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445698838] [2021-12-28 04:47:35,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:47:35,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:47:35,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:35,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:47:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:35,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:35,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:35,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:47:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:36,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:36,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:47:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:36,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:36,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:47:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:36,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:36,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:36,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:47:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:36,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:36,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:47:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:36,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:36,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:36,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:47:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:36,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:36,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:36,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:47:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:36,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:36,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:36,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:47:36,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:36,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:36,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:47:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:36,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:36,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:47:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:36,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:36,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:47:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:36,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:36,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 04:47:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:36,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-28 04:47:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:36,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-28 04:47:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:36,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-28 04:47:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:36,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-28 04:47:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:36,314 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2021-12-28 04:47:36,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:47:36,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445698838] [2021-12-28 04:47:36,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445698838] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:47:36,315 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:47:36,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:47:36,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843358533] [2021-12-28 04:47:36,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:47:36,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:47:36,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:47:36,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:47:36,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:47:36,317 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) [2021-12-28 04:47:46,436 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 [] [2021-12-28 04:47:48,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:47:48,093 INFO L93 Difference]: Finished difference Result 18317 states and 26454 transitions. [2021-12-28 04:47:48,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 04:47:48,094 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 [2021-12-28 04:47:48,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:47:48,214 INFO L225 Difference]: With dead ends: 18317 [2021-12-28 04:47:48,216 INFO L226 Difference]: Without dead ends: 11965 [2021-12-28 04:47:48,241 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 [2021-12-28 04:47:48,244 INFO L933 BasicCegarLoop]: 2983 mSDtfsCounter, 5411 mSDsluCounter, 4196 mSDsCounter, 0 mSdLazyCounter, 3752 mSolverCounterSat, 3327 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5804 SdHoareTripleChecker+Valid, 7179 SdHoareTripleChecker+Invalid, 7080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3327 IncrementalHoareTripleChecker+Valid, 3752 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2021-12-28 04:47:48,245 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5804 Valid, 7179 Invalid, 7080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3327 Valid, 3752 Invalid, 1 Unknown, 0 Unchecked, 11.4s Time] [2021-12-28 04:47:48,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11965 states. [2021-12-28 04:47:48,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11965 to 11301. [2021-12-28 04:47:48,778 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) [2021-12-28 04:47:48,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11301 states to 11301 states and 16171 transitions. [2021-12-28 04:47:48,818 INFO L78 Accepts]: Start accepts. Automaton has 11301 states and 16171 transitions. Word has length 200 [2021-12-28 04:47:48,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:47:48,818 INFO L470 AbstractCegarLoop]: Abstraction has 11301 states and 16171 transitions. [2021-12-28 04:47:48,819 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) [2021-12-28 04:47:48,819 INFO L276 IsEmpty]: Start isEmpty. Operand 11301 states and 16171 transitions. [2021-12-28 04:47:48,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-12-28 04:47:48,823 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:47:48,823 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] [2021-12-28 04:47:48,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 04:47:48,823 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)] === [2021-12-28 04:47:48,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:47:48,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1195649508, now seen corresponding path program 1 times [2021-12-28 04:47:48,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:47:48,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495995752] [2021-12-28 04:47:48,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:47:48,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:47:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:47:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:47:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:47:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:47:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:47:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:47:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:47:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:47:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:47:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:47:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:47:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:47:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 04:47:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-28 04:47:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 04:47:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:47:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-28 04:47:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:47:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-28 04:47:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-28 04:47:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:49,452 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 794 trivial. 0 not checked. [2021-12-28 04:47:49,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:47:49,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495995752] [2021-12-28 04:47:49,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495995752] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:47:49,452 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:47:49,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:47:49,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359340052] [2021-12-28 04:47:49,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:47:49,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:47:49,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:47:49,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:47:49,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:47:49,454 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) [2021-12-28 04:47:54,584 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 [] [2021-12-28 04:47:55,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:47:55,147 INFO L93 Difference]: Finished difference Result 11363 states and 16278 transitions. [2021-12-28 04:47:55,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:47:55,148 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 [2021-12-28 04:47:55,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:47:55,184 INFO L225 Difference]: With dead ends: 11363 [2021-12-28 04:47:55,185 INFO L226 Difference]: Without dead ends: 11361 [2021-12-28 04:47:55,192 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 [2021-12-28 04:47:55,194 INFO L933 BasicCegarLoop]: 2687 mSDtfsCounter, 3313 mSDsluCounter, 5230 mSDsCounter, 0 mSdLazyCounter, 2452 mSolverCounterSat, 1006 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3608 SdHoareTripleChecker+Valid, 7917 SdHoareTripleChecker+Invalid, 3459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1006 IncrementalHoareTripleChecker+Valid, 2452 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-12-28 04:47:55,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3608 Valid, 7917 Invalid, 3459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1006 Valid, 2452 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2021-12-28 04:47:55,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11361 states. [2021-12-28 04:47:55,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11361 to 11305. [2021-12-28 04:47:55,444 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) [2021-12-28 04:47:55,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11305 states to 11305 states and 16174 transitions. [2021-12-28 04:47:55,483 INFO L78 Accepts]: Start accepts. Automaton has 11305 states and 16174 transitions. Word has length 224 [2021-12-28 04:47:55,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:47:55,484 INFO L470 AbstractCegarLoop]: Abstraction has 11305 states and 16174 transitions. [2021-12-28 04:47:55,484 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) [2021-12-28 04:47:55,484 INFO L276 IsEmpty]: Start isEmpty. Operand 11305 states and 16174 transitions. [2021-12-28 04:47:55,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-12-28 04:47:55,490 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:47:55,490 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] [2021-12-28 04:47:55,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 04:47:55,490 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)] === [2021-12-28 04:47:55,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:47:55,491 INFO L85 PathProgramCache]: Analyzing trace with hash 320909433, now seen corresponding path program 1 times [2021-12-28 04:47:55,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:47:55,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288881707] [2021-12-28 04:47:55,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:47:55,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:47:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:55,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:47:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:55,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:55,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:47:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:55,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:55,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:47:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:55,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:55,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:47:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:55,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:55,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:47:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:55,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:55,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:47:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:55,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:55,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:47:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:55,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:55,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:47:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:55,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:55,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:47:55,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:56,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:56,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:47:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:56,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:56,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:47:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:56,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:56,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:47:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:56,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:56,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 04:47:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:56,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-28 04:47:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:56,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 04:47:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:56,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:47:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:56,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-28 04:47:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:56,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:56,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:47:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:56,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-28 04:47:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:56,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-28 04:47:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:56,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-28 04:47:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:56,160 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 794 trivial. 0 not checked. [2021-12-28 04:47:56,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:47:56,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288881707] [2021-12-28 04:47:56,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288881707] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:47:56,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:47:56,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:47:56,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767501870] [2021-12-28 04:47:56,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:47:56,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:47:56,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:47:56,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:47:56,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:47:56,162 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) [2021-12-28 04:48:00,785 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 [] [2021-12-28 04:48:01,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:48:01,418 INFO L93 Difference]: Finished difference Result 11367 states and 16281 transitions. [2021-12-28 04:48:01,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:48:01,419 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 229 [2021-12-28 04:48:01,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:48:01,503 INFO L225 Difference]: With dead ends: 11367 [2021-12-28 04:48:01,507 INFO L226 Difference]: Without dead ends: 11365 [2021-12-28 04:48:01,514 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-28 04:48:01,528 INFO L933 BasicCegarLoop]: 2689 mSDtfsCounter, 3307 mSDsluCounter, 5229 mSDsCounter, 0 mSdLazyCounter, 2452 mSolverCounterSat, 1005 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3601 SdHoareTripleChecker+Valid, 7918 SdHoareTripleChecker+Invalid, 3458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1005 IncrementalHoareTripleChecker+Valid, 2452 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-12-28 04:48:01,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3601 Valid, 7918 Invalid, 3458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1005 Valid, 2452 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2021-12-28 04:48:01,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11365 states. [2021-12-28 04:48:02,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11365 to 11309. [2021-12-28 04:48:02,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11309 states, 8121 states have (on average 1.3144932890038172) internal successors, (10675), 8263 states have internal predecessors, (10675), 2537 states have call successors, (2537), 603 states have call predecessors, (2537), 648 states have return successors, (2965), 2554 states have call predecessors, (2965), 2533 states have call successors, (2965) [2021-12-28 04:48:02,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11309 states to 11309 states and 16177 transitions. [2021-12-28 04:48:02,170 INFO L78 Accepts]: Start accepts. Automaton has 11309 states and 16177 transitions. Word has length 229 [2021-12-28 04:48:02,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:48:02,172 INFO L470 AbstractCegarLoop]: Abstraction has 11309 states and 16177 transitions. [2021-12-28 04:48:02,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2021-12-28 04:48:02,173 INFO L276 IsEmpty]: Start isEmpty. Operand 11309 states and 16177 transitions. [2021-12-28 04:48:02,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-12-28 04:48:02,178 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:48:02,178 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:48:02,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-28 04:48:02,179 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:48:02,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:48:02,179 INFO L85 PathProgramCache]: Analyzing trace with hash 120136023, now seen corresponding path program 1 times [2021-12-28 04:48:02,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:48:02,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988110333] [2021-12-28 04:48:02,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:48:02,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:48:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:48:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:48:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:48:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:48:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:48:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:48:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:48:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:48:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:48:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:48:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:48:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:48:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 04:48:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-28 04:48:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 04:48:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:48:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-28 04:48:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:48:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-28 04:48:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-28 04:48:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-28 04:48:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:48:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-28 04:48:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-28 04:48:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:02,629 INFO L134 CoverageAnalysis]: Checked inductivity of 809 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2021-12-28 04:48:02,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:48:02,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988110333] [2021-12-28 04:48:02,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988110333] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:48:02,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:48:02,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:48:02,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238406727] [2021-12-28 04:48:02,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:48:02,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:48:02,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:48:02,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:48:02,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:48:02,631 INFO L87 Difference]: Start difference. First operand 11309 states and 16177 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26)