./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-mutex_drivers-net-ethernet-micrel-ks8851.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-mutex_drivers-net-ethernet-micrel-ks8851.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 adad89b7f673beaaf8bb114b70e1447440d8d3333aba6712cecf0b1e8decf472 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:45:22,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:45:22,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:45:22,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:45:22,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:45:22,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:45:22,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:45:22,156 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:45:22,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:45:22,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:45:22,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:45:22,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:45:22,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:45:22,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:45:22,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:45:22,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:45:22,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:45:22,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:45:22,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:45:22,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:45:22,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:45:22,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:45:22,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:45:22,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:45:22,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:45:22,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:45:22,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:45:22,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:45:22,187 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:45:22,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:45:22,188 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:45:22,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:45:22,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:45:22,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:45:22,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:45:22,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:45:22,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:45:22,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:45:22,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:45:22,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:45:22,193 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:45:22,194 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:45:22,220 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:45:22,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:45:22,221 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:45:22,221 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:45:22,222 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:45:22,222 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:45:22,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:45:22,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:45:22,223 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:45:22,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:45:22,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:45:22,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:45:22,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:45:22,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:45:22,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:45:22,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:45:22,225 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:45:22,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:45:22,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:45:22,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:45:22,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:45:22,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:45:22,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:45:22,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:45:22,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:45:22,227 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:45:22,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:45:22,233 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:45:22,233 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:45:22,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:45:22,234 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adad89b7f673beaaf8bb114b70e1447440d8d3333aba6712cecf0b1e8decf472 [2021-12-28 04:45:22,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:45:22,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:45:22,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:45:22,516 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:45:22,517 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:45:22,518 INFO L432 ainManager$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-mutex_drivers-net-ethernet-micrel-ks8851.cil.i [2021-12-28 04:45:22,565 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7a849eb9/73abc3a4705e4fbda614cd0b4aff63f0/FLAG5950ca3b2 [2021-12-28 04:45:23,235 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:45:23,236 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i [2021-12-28 04:45:23,273 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7a849eb9/73abc3a4705e4fbda614cd0b4aff63f0/FLAG5950ca3b2 [2021-12-28 04:45:23,546 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7a849eb9/73abc3a4705e4fbda614cd0b4aff63f0 [2021-12-28 04:45:23,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:45:23,549 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:45:23,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:45:23,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:45:23,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:45:23,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:45:23" (1/1) ... [2021-12-28 04:45:23,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d9cb0bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:45:23, skipping insertion in model container [2021-12-28 04:45:23,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:45:23" (1/1) ... [2021-12-28 04:45:23,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:45:23,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:45:25,502 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-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[295786,295799] [2021-12-28 04:45:25,505 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-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[295952,295965] [2021-12-28 04:45:25,505 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-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[296116,296129] [2021-12-28 04:45:25,505 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-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[296281,296294] [2021-12-28 04:45:25,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:45:25,561 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:45:25,780 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-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[295786,295799] [2021-12-28 04:45:25,781 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-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[295952,295965] [2021-12-28 04:45:25,782 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-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[296116,296129] [2021-12-28 04:45:25,782 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-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[296281,296294] [2021-12-28 04:45:25,787 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:45:25,923 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:45:25,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:45:25 WrapperNode [2021-12-28 04:45:25,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:45:25,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:45:25,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:45:25,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:45:25,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:45:25" (1/1) ... [2021-12-28 04:45:26,011 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:45:25" (1/1) ... [2021-12-28 04:45:26,204 INFO L137 Inliner]: procedures = 396, calls = 1613, calls flagged for inlining = 229, calls inlined = 191, statements flattened = 3922 [2021-12-28 04:45:26,205 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:45:26,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:45:26,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:45:26,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:45:26,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:45:25" (1/1) ... [2021-12-28 04:45:26,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:45:25" (1/1) ... [2021-12-28 04:45:26,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:45:25" (1/1) ... [2021-12-28 04:45:26,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:45:25" (1/1) ... [2021-12-28 04:45:26,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:45:25" (1/1) ... [2021-12-28 04:45:26,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:45:25" (1/1) ... [2021-12-28 04:45:26,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:45:25" (1/1) ... [2021-12-28 04:45:26,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:45:26,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:45:26,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:45:26,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:45:26,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:45:25" (1/1) ... [2021-12-28 04:45:26,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:45:26,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:45:26,386 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 04:45:26,409 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 04:45:26,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:45:26,429 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:45:26,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:45:26,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:45:26,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ks8851_driver_exit_14_2 [2021-12-28 04:45:26,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ks8851_driver_exit_14_2 [2021-12-28 04:45:26,429 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-28 04:45:26,429 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-28 04:45:26,429 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_resume [2021-12-28 04:45:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_resume [2021-12-28 04:45:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 04:45:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 04:45:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-28 04:45:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-28 04:45:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-28 04:45:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_net_stop [2021-12-28 04:45:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_net_stop [2021-12-28 04:45:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 04:45:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 04:45:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 04:45:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 04:45:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 04:45:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 04:45:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:45:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:45:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-28 04:45:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-28 04:45:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:45:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2021-12-28 04:45:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2021-12-28 04:45:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 04:45:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 04:45:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 04:45:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 04:45:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:45:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 04:45:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 04:45:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:45:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2021-12-28 04:45:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2021-12-28 04:45:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 04:45:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 04:45:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:45:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_disable [2021-12-28 04:45:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_disable [2021-12-28 04:45:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:45:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:45:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 04:45:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 04:45:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_ks8851_net [2021-12-28 04:45:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_ks8851_net [2021-12-28 04:45:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_rdreg8 [2021-12-28 04:45:26,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_rdreg8 [2021-12-28 04:45:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:45:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-28 04:45:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-28 04:45:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-28 04:45:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-28 04:45:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-12-28 04:45:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-12-28 04:45:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-28 04:45:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-28 04:45:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_rdreg16 [2021-12-28 04:45:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_rdreg16 [2021-12-28 04:45:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:45:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-28 04:45:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-28 04:45:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_probe [2021-12-28 04:45:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_probe [2021-12-28 04:45:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 04:45:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 04:45:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:45:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:45:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:45:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:45:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:45:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:45:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:45:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_put [2021-12-28 04:45:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_put [2021-12-28 04:45:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_ks8851_net [2021-12-28 04:45:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_ks8851_net [2021-12-28 04:45:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-28 04:45:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-28 04:45:26,441 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:45:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:45:26,441 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_write_mac_addr [2021-12-28 04:45:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_write_mac_addr [2021-12-28 04:45:26,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-28 04:45:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-28 04:45:26,442 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_suspend [2021-12-28 04:45:26,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_suspend [2021-12-28 04:45:26,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:45:26,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:45:26,442 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-28 04:45:26,442 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-28 04:45:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-12-28 04:45:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-12-28 04:45:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:45:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:45:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:45:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:45:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_net_open [2021-12-28 04:45:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_net_open [2021-12-28 04:45:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2021-12-28 04:45:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2021-12-28 04:45:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:45:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:45:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 04:45:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 04:45:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-28 04:45:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-28 04:45:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-12-28 04:45:26,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-12-28 04:45:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_set_rx_mode [2021-12-28 04:45:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_set_rx_mode [2021-12-28 04:45:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-28 04:45:26,448 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-28 04:45:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:45:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:45:26,449 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:45:26,449 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_set_powermode [2021-12-28 04:45:26,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_set_powermode [2021-12-28 04:45:26,452 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-28 04:45:26,452 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-28 04:45:26,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:45:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:45:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-28 04:45:26,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-28 04:45:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 04:45:26,453 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 04:45:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 04:45:26,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 04:45:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-28 04:45:26,453 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-28 04:45:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-28 04:45:26,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-28 04:45:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-28 04:45:26,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-28 04:45:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-28 04:45:26,454 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-28 04:45:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 04:45:26,454 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 04:45:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_rx_1msg [2021-12-28 04:45:26,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_rx_1msg [2021-12-28 04:45:26,455 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_get_eeprom_len [2021-12-28 04:45:26,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_get_eeprom_len [2021-12-28 04:45:26,455 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_soft_reset [2021-12-28 04:45:26,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_soft_reset [2021-12-28 04:45:26,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-28 04:45:26,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-28 04:45:26,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:45:26,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:45:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:45:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_rdreg [2021-12-28 04:45:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_rdreg [2021-12-28 04:45:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_nway_reset [2021-12-28 04:45:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_nway_reset [2021-12-28 04:45:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2021-12-28 04:45:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2021-12-28 04:45:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_remove [2021-12-28 04:45:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_remove [2021-12-28 04:45:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 04:45:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 04:45:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-28 04:45:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-28 04:45:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_wrreg16 [2021-12-28 04:45:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_wrreg16 [2021-12-28 04:45:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-28 04:45:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-28 04:45:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:45:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 04:45:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 04:45:27,105 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:45:27,107 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:45:27,812 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:45:28,949 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-28 04:45:29,027 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:45:29,037 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:45:29,038 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-28 04:45:29,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:45:29 BoogieIcfgContainer [2021-12-28 04:45:29,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:45:29,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:45:29,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:45:29,043 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:45:29,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:45:23" (1/3) ... [2021-12-28 04:45:29,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6dda87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:45:29, skipping insertion in model container [2021-12-28 04:45:29,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:45:25" (2/3) ... [2021-12-28 04:45:29,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6dda87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:45:29, skipping insertion in model container [2021-12-28 04:45:29,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:45:29" (3/3) ... [2021-12-28 04:45:29,045 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i [2021-12-28 04:45:29,048 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:45:29,049 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-28 04:45:29,080 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:45:29,084 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 04:45:29,084 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-28 04:45:29,119 INFO L276 IsEmpty]: Start isEmpty. Operand has 1501 states, 1057 states have (on average 1.2809839167455062) internal successors, (1354), 1070 states have internal predecessors, (1354), 366 states have call successors, (366), 78 states have call predecessors, (366), 77 states have return successors, (357), 356 states have call predecessors, (357), 357 states have call successors, (357) [2021-12-28 04:45:29,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-12-28 04:45:29,137 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:45:29,137 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:45:29,138 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:45:29,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:45:29,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1882958799, now seen corresponding path program 1 times [2021-12-28 04:45:29,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:45:29,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934533678] [2021-12-28 04:45:29,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:45:29,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:45:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:45:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:45:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:45:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:45:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:45:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:45:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:45:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:45:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:45:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:45:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:45:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:45:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:45:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:45:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:45:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:45:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:45:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 04:45:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-28 04:45:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:29,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-12-28 04:45:29,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:45:29,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934533678] [2021-12-28 04:45:29,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934533678] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:45:29,898 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:45:29,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:45:29,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491765687] [2021-12-28 04:45:29,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:45:29,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:45:29,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:45:29,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:45:29,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:45:29,921 INFO L87 Difference]: Start difference. First operand has 1501 states, 1057 states have (on average 1.2809839167455062) internal successors, (1354), 1070 states have internal predecessors, (1354), 366 states have call successors, (366), 78 states have call predecessors, (366), 77 states have return successors, (357), 356 states have call predecessors, (357), 357 states have call successors, (357) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-28 04:45:32,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:45:32,024 INFO L93 Difference]: Finished difference Result 4289 states and 6193 transitions. [2021-12-28 04:45:32,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:45:32,026 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 215 [2021-12-28 04:45:32,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:45:32,049 INFO L225 Difference]: With dead ends: 4289 [2021-12-28 04:45:32,049 INFO L226 Difference]: Without dead ends: 2809 [2021-12-28 04:45:32,060 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 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 04:45:32,062 INFO L933 BasicCegarLoop]: 2303 mSDtfsCounter, 2308 mSDsluCounter, 2552 mSDsCounter, 0 mSdLazyCounter, 1219 mSolverCounterSat, 851 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2527 SdHoareTripleChecker+Valid, 4855 SdHoareTripleChecker+Invalid, 2070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 851 IncrementalHoareTripleChecker+Valid, 1219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-28 04:45:32,063 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2527 Valid, 4855 Invalid, 2070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [851 Valid, 1219 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-28 04:45:32,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2809 states. [2021-12-28 04:45:32,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2809 to 2756. [2021-12-28 04:45:32,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2756 states, 1952 states have (on average 1.2725409836065573) internal successors, (2484), 1980 states have internal predecessors, (2484), 646 states have call successors, (646), 152 states have call predecessors, (646), 155 states have return successors, (750), 635 states have call predecessors, (750), 642 states have call successors, (750) [2021-12-28 04:45:32,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2756 states to 2756 states and 3880 transitions. [2021-12-28 04:45:32,219 INFO L78 Accepts]: Start accepts. Automaton has 2756 states and 3880 transitions. Word has length 215 [2021-12-28 04:45:32,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:45:32,220 INFO L470 AbstractCegarLoop]: Abstraction has 2756 states and 3880 transitions. [2021-12-28 04:45:32,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-28 04:45:32,221 INFO L276 IsEmpty]: Start isEmpty. Operand 2756 states and 3880 transitions. [2021-12-28 04:45:32,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-12-28 04:45:32,224 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:45:32,224 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:45:32,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:45:32,225 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:45:32,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:45:32,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1643862805, now seen corresponding path program 1 times [2021-12-28 04:45:32,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:45:32,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100797217] [2021-12-28 04:45:32,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:45:32,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:45:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:45:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:45:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:32,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:45:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:45:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:45:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:45:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:45:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:45:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:45:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:45:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:45:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:45:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:45:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:45:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:45:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:45:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:45:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 04:45:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-28 04:45:32,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:32,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-12-28 04:45:32,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:45:32,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100797217] [2021-12-28 04:45:32,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100797217] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:45:32,534 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:45:32,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:45:32,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646182264] [2021-12-28 04:45:32,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:45:32,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:45:32,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:45:32,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:45:32,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:45:32,537 INFO L87 Difference]: Start difference. First operand 2756 states and 3880 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-28 04:45:34,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:45:34,404 INFO L93 Difference]: Finished difference Result 8119 states and 11476 transitions. [2021-12-28 04:45:34,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:45:34,404 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 217 [2021-12-28 04:45:34,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:45:34,432 INFO L225 Difference]: With dead ends: 8119 [2021-12-28 04:45:34,433 INFO L226 Difference]: Without dead ends: 5402 [2021-12-28 04:45:34,446 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 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 04:45:34,447 INFO L933 BasicCegarLoop]: 2284 mSDtfsCounter, 2369 mSDsluCounter, 2524 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 823 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2598 SdHoareTripleChecker+Valid, 4808 SdHoareTripleChecker+Invalid, 2049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 823 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-28 04:45:34,448 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2598 Valid, 4808 Invalid, 2049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [823 Valid, 1226 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-28 04:45:34,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5402 states. [2021-12-28 04:45:34,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5402 to 5330. [2021-12-28 04:45:34,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5330 states, 3790 states have (on average 1.2736147757255936) internal successors, (4827), 3838 states have internal predecessors, (4827), 1230 states have call successors, (1230), 300 states have call predecessors, (1230), 307 states have return successors, (1442), 1215 states have call predecessors, (1442), 1226 states have call successors, (1442) [2021-12-28 04:45:34,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5330 states to 5330 states and 7499 transitions. [2021-12-28 04:45:34,660 INFO L78 Accepts]: Start accepts. Automaton has 5330 states and 7499 transitions. Word has length 217 [2021-12-28 04:45:34,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:45:34,661 INFO L470 AbstractCegarLoop]: Abstraction has 5330 states and 7499 transitions. [2021-12-28 04:45:34,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-28 04:45:34,662 INFO L276 IsEmpty]: Start isEmpty. Operand 5330 states and 7499 transitions. [2021-12-28 04:45:34,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-12-28 04:45:34,665 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:45:34,665 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:45:34,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:45:34,665 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:45:34,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:45:34,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1111276214, now seen corresponding path program 1 times [2021-12-28 04:45:34,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:45:34,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645352333] [2021-12-28 04:45:34,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:45:34,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:45:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:45:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:45:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:45:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:45:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:45:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:45:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:45:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:45:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:45:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:45:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:45:34,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:45:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:45:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:45:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:45:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:45:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:45:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 04:45:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:34,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-12-28 04:45:34,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:45:34,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645352333] [2021-12-28 04:45:34,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645352333] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:45:34,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:45:34,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:45:34,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784872997] [2021-12-28 04:45:34,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:45:34,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:45:34,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:45:34,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:45:34,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:45:34,937 INFO L87 Difference]: Start difference. First operand 5330 states and 7499 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-28 04:45:36,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:45:36,804 INFO L93 Difference]: Finished difference Result 15376 states and 21582 transitions. [2021-12-28 04:45:36,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:45:36,804 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 219 [2021-12-28 04:45:36,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:45:36,852 INFO L225 Difference]: With dead ends: 15376 [2021-12-28 04:45:36,853 INFO L226 Difference]: Without dead ends: 10085 [2021-12-28 04:45:36,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:45:36,875 INFO L933 BasicCegarLoop]: 2247 mSDtfsCounter, 2178 mSDsluCounter, 2445 mSDsCounter, 0 mSdLazyCounter, 1326 mSolverCounterSat, 847 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2402 SdHoareTripleChecker+Valid, 4692 SdHoareTripleChecker+Invalid, 2173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 847 IncrementalHoareTripleChecker+Valid, 1326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-28 04:45:36,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2402 Valid, 4692 Invalid, 2173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [847 Valid, 1326 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-28 04:45:36,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10085 states. [2021-12-28 04:45:37,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10085 to 9924. [2021-12-28 04:45:37,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9924 states, 7004 states have (on average 1.2651342090234152) internal successors, (8861), 7106 states have internal predecessors, (8861), 2308 states have call successors, (2308), 594 states have call predecessors, (2308), 609 states have return successors, (2584), 2271 states have call predecessors, (2584), 2304 states have call successors, (2584) [2021-12-28 04:45:37,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9924 states to 9924 states and 13753 transitions. [2021-12-28 04:45:37,264 INFO L78 Accepts]: Start accepts. Automaton has 9924 states and 13753 transitions. Word has length 219 [2021-12-28 04:45:37,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:45:37,264 INFO L470 AbstractCegarLoop]: Abstraction has 9924 states and 13753 transitions. [2021-12-28 04:45:37,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-28 04:45:37,265 INFO L276 IsEmpty]: Start isEmpty. Operand 9924 states and 13753 transitions. [2021-12-28 04:45:37,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-12-28 04:45:37,267 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:45:37,268 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:45:37,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 04:45:37,268 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:45:37,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:45:37,269 INFO L85 PathProgramCache]: Analyzing trace with hash -289655116, now seen corresponding path program 1 times [2021-12-28 04:45:37,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:45:37,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543842386] [2021-12-28 04:45:37,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:45:37,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:45:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:45:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:45:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:45:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:45:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:45:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:45:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:45:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:45:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:45:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:45:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:45:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:45:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:45:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:45:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:45:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:45:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:45:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 04:45:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:37,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-12-28 04:45:37,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:45:37,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543842386] [2021-12-28 04:45:37,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543842386] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:45:37,603 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:45:37,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:45:37,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267455347] [2021-12-28 04:45:37,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:45:37,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:45:37,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:45:37,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:45:37,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:45:37,605 INFO L87 Difference]: Start difference. First operand 9924 states and 13753 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-28 04:45:39,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:45:39,752 INFO L93 Difference]: Finished difference Result 24050 states and 33274 transitions. [2021-12-28 04:45:39,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:45:39,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 220 [2021-12-28 04:45:39,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:45:39,818 INFO L225 Difference]: With dead ends: 24050 [2021-12-28 04:45:39,818 INFO L226 Difference]: Without dead ends: 14165 [2021-12-28 04:45:39,847 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:45:39,849 INFO L933 BasicCegarLoop]: 2277 mSDtfsCounter, 2305 mSDsluCounter, 2514 mSDsCounter, 0 mSdLazyCounter, 1260 mSolverCounterSat, 843 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2531 SdHoareTripleChecker+Valid, 4791 SdHoareTripleChecker+Invalid, 2103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 843 IncrementalHoareTripleChecker+Valid, 1260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-28 04:45:39,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2531 Valid, 4791 Invalid, 2103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [843 Valid, 1260 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-28 04:45:39,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14165 states. [2021-12-28 04:45:40,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14165 to 13984. [2021-12-28 04:45:40,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13984 states, 9834 states have (on average 1.2557453731950377) internal successors, (12349), 9996 states have internal predecessors, (12349), 3248 states have call successors, (3248), 876 states have call predecessors, (3248), 899 states have return successors, (3600), 3179 states have call predecessors, (3600), 3244 states have call successors, (3600) [2021-12-28 04:45:40,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13984 states to 13984 states and 19197 transitions. [2021-12-28 04:45:40,331 INFO L78 Accepts]: Start accepts. Automaton has 13984 states and 19197 transitions. Word has length 220 [2021-12-28 04:45:40,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:45:40,332 INFO L470 AbstractCegarLoop]: Abstraction has 13984 states and 19197 transitions. [2021-12-28 04:45:40,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-28 04:45:40,333 INFO L276 IsEmpty]: Start isEmpty. Operand 13984 states and 19197 transitions. [2021-12-28 04:45:40,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-12-28 04:45:40,337 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:45:40,337 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 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] [2021-12-28 04:45:40,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 04:45:40,337 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:45:40,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:45:40,338 INFO L85 PathProgramCache]: Analyzing trace with hash 984037625, now seen corresponding path program 1 times [2021-12-28 04:45:40,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:45:40,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31610733] [2021-12-28 04:45:40,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:45:40,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:45:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:45:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:45:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:45:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:45:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:45:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:45:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:45:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:45:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:45:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:45:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:45:40,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:45:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:45:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:45:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:45:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:45:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:45:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 04:45:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-28 04:45:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-28 04:45:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:40,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2021-12-28 04:45:40,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:45:40,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31610733] [2021-12-28 04:45:40,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31610733] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:45:40,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:45:40,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:45:40,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137401366] [2021-12-28 04:45:40,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:45:40,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:45:40,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:45:40,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:45:40,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:45:40,698 INFO L87 Difference]: Start difference. First operand 13984 states and 19197 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-28 04:45:42,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:45:42,859 INFO L93 Difference]: Finished difference Result 34500 states and 47367 transitions. [2021-12-28 04:45:42,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:45:42,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 244 [2021-12-28 04:45:42,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:45:42,941 INFO L225 Difference]: With dead ends: 34500 [2021-12-28 04:45:42,942 INFO L226 Difference]: Without dead ends: 20555 [2021-12-28 04:45:42,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 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 04:45:42,993 INFO L933 BasicCegarLoop]: 2537 mSDtfsCounter, 2323 mSDsluCounter, 2715 mSDsCounter, 0 mSdLazyCounter, 1256 mSolverCounterSat, 802 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2553 SdHoareTripleChecker+Valid, 5252 SdHoareTripleChecker+Invalid, 2058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 802 IncrementalHoareTripleChecker+Valid, 1256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-28 04:45:42,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2553 Valid, 5252 Invalid, 2058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [802 Valid, 1256 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-28 04:45:43,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20555 states. [2021-12-28 04:45:43,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20555 to 20288. [2021-12-28 04:45:43,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20288 states, 14280 states have (on average 1.2507002801120448) internal successors, (17860), 14538 states have internal predecessors, (17860), 4686 states have call successors, (4686), 1296 states have call predecessors, (4686), 1319 states have return successors, (5142), 4555 states have call predecessors, (5142), 4682 states have call successors, (5142) [2021-12-28 04:45:43,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20288 states to 20288 states and 27688 transitions. [2021-12-28 04:45:43,568 INFO L78 Accepts]: Start accepts. Automaton has 20288 states and 27688 transitions. Word has length 244 [2021-12-28 04:45:43,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:45:43,571 INFO L470 AbstractCegarLoop]: Abstraction has 20288 states and 27688 transitions. [2021-12-28 04:45:43,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-28 04:45:43,571 INFO L276 IsEmpty]: Start isEmpty. Operand 20288 states and 27688 transitions. [2021-12-28 04:45:43,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-12-28 04:45:43,574 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:45:43,574 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:45:43,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 04:45:43,575 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:45:43,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:45:43,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1058822809, now seen corresponding path program 1 times [2021-12-28 04:45:43,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:45:43,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499058585] [2021-12-28 04:45:43,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:45:43,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:45:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:45:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:45:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:45:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:45:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:45:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:45:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:45:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:45:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:45:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:45:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:45:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:45:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:45:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:45:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:45:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:45:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:45:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 04:45:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-28 04:45:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-28 04:45:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-28 04:45:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-28 04:45:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:45:43,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 04:45:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:43,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1278 trivial. 0 not checked. [2021-12-28 04:45:43,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:45:43,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499058585] [2021-12-28 04:45:43,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499058585] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:45:43,957 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:45:43,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:45:43,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942681462] [2021-12-28 04:45:43,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:45:43,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:45:43,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:45:43,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:45:43,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:45:43,959 INFO L87 Difference]: Start difference. First operand 20288 states and 27688 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-28 04:45:46,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:45:46,050 INFO L93 Difference]: Finished difference Result 56531 states and 77436 transitions. [2021-12-28 04:45:46,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:45:46,051 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 259 [2021-12-28 04:45:46,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:45:46,182 INFO L225 Difference]: With dead ends: 56531 [2021-12-28 04:45:46,183 INFO L226 Difference]: Without dead ends: 36282 [2021-12-28 04:45:46,361 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:45:46,362 INFO L933 BasicCegarLoop]: 3426 mSDtfsCounter, 2082 mSDsluCounter, 3114 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 595 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2312 SdHoareTripleChecker+Valid, 6540 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 595 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-28 04:45:46,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2312 Valid, 6540 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [595 Valid, 1283 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-28 04:45:46,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36282 states. [2021-12-28 04:45:47,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36282 to 35795. [2021-12-28 04:45:47,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35795 states, 25352 states have (on average 1.2501972230987692) internal successors, (31695), 25832 states have internal predecessors, (31695), 8124 states have call successors, (8124), 2279 states have call predecessors, (8124), 2316 states have return successors, (9020), 7859 states have call predecessors, (9020), 8120 states have call successors, (9020) [2021-12-28 04:45:47,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35795 states to 35795 states and 48839 transitions. [2021-12-28 04:45:47,481 INFO L78 Accepts]: Start accepts. Automaton has 35795 states and 48839 transitions. Word has length 259 [2021-12-28 04:45:47,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:45:47,482 INFO L470 AbstractCegarLoop]: Abstraction has 35795 states and 48839 transitions. [2021-12-28 04:45:47,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-28 04:45:47,482 INFO L276 IsEmpty]: Start isEmpty. Operand 35795 states and 48839 transitions. [2021-12-28 04:45:47,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-12-28 04:45:47,485 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:45:47,486 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:45:47,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-28 04:45:47,486 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:45:47,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:45:47,486 INFO L85 PathProgramCache]: Analyzing trace with hash 442445617, now seen corresponding path program 1 times [2021-12-28 04:45:47,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:45:47,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641993463] [2021-12-28 04:45:47,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:45:47,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:45:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:45:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:45:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:45:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:45:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:45:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:45:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:45:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:45:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:47,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:45:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:45:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:45:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:45:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:45:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:45:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:45:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:45:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:45:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 04:45:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-28 04:45:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-28 04:45:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-28 04:45:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-28 04:45:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-28 04:45:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-28 04:45:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-28 04:45:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:47,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1470 trivial. 0 not checked. [2021-12-28 04:45:47,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:45:47,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641993463] [2021-12-28 04:45:47,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641993463] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:45:47,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:45:47,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:45:47,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131540630] [2021-12-28 04:45:47,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:45:47,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:45:47,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:45:47,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:45:47,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:45:47,937 INFO L87 Difference]: Start difference. First operand 35795 states and 48839 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-28 04:45:50,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:45:50,722 INFO L93 Difference]: Finished difference Result 105796 states and 144705 transitions. [2021-12-28 04:45:50,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:45:50,722 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 275 [2021-12-28 04:45:50,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:45:51,051 INFO L225 Difference]: With dead ends: 105796 [2021-12-28 04:45:51,051 INFO L226 Difference]: Without dead ends: 70197 [2021-12-28 04:45:51,164 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 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 04:45:51,166 INFO L933 BasicCegarLoop]: 3627 mSDtfsCounter, 2049 mSDsluCounter, 3318 mSDsCounter, 0 mSdLazyCounter, 1266 mSolverCounterSat, 556 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2275 SdHoareTripleChecker+Valid, 6945 SdHoareTripleChecker+Invalid, 1822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 556 IncrementalHoareTripleChecker+Valid, 1266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-28 04:45:51,166 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2275 Valid, 6945 Invalid, 1822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [556 Valid, 1266 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-28 04:45:51,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70197 states. [2021-12-28 04:45:52,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70197 to 69313. [2021-12-28 04:45:52,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69313 states, 49216 states have (on average 1.2487199284785435) internal successors, (61457), 49998 states have internal predecessors, (61457), 15577 states have call successors, (15577), 4426 states have call predecessors, (15577), 4517 states have return successors, (17373), 15240 states have call predecessors, (17373), 15573 states have call successors, (17373) [2021-12-28 04:45:53,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69313 states to 69313 states and 94407 transitions. [2021-12-28 04:45:53,555 INFO L78 Accepts]: Start accepts. Automaton has 69313 states and 94407 transitions. Word has length 275 [2021-12-28 04:45:53,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:45:53,556 INFO L470 AbstractCegarLoop]: Abstraction has 69313 states and 94407 transitions. [2021-12-28 04:45:53,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-28 04:45:53,556 INFO L276 IsEmpty]: Start isEmpty. Operand 69313 states and 94407 transitions. [2021-12-28 04:45:53,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-12-28 04:45:53,559 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:45:53,560 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:45:53,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-28 04:45:53,560 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:45:53,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:45:53,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1929293645, now seen corresponding path program 1 times [2021-12-28 04:45:53,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:45:53,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041422993] [2021-12-28 04:45:53,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:45:53,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:45:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:45:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:45:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:45:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:53,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:45:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:45:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:45:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:45:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:45:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:45:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:45:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:45:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:45:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:45:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:45:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:45:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:45:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:45:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 04:45:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-28 04:45:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-28 04:45:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-28 04:45:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-28 04:45:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-28 04:45:53,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-28 04:45:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-28 04:45:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:53,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1482 trivial. 0 not checked. [2021-12-28 04:45:53,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:45:53,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041422993] [2021-12-28 04:45:53,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041422993] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:45:53,990 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:45:53,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:45:53,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290009738] [2021-12-28 04:45:53,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:45:53,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:45:53,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:45:53,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:45:53,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:45:53,992 INFO L87 Difference]: Start difference. First operand 69313 states and 94407 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, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-28 04:45:56,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:45:56,628 INFO L93 Difference]: Finished difference Result 70199 states and 95891 transitions. [2021-12-28 04:45:56,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:45:56,629 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, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 275 [2021-12-28 04:45:56,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:45:56,868 INFO L225 Difference]: With dead ends: 70199 [2021-12-28 04:45:56,869 INFO L226 Difference]: Without dead ends: 70197 [2021-12-28 04:45:56,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 88 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 04:45:56,895 INFO L933 BasicCegarLoop]: 1978 mSDtfsCounter, 2086 mSDsluCounter, 3968 mSDsCounter, 0 mSdLazyCounter, 1508 mSolverCounterSat, 513 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2279 SdHoareTripleChecker+Valid, 5946 SdHoareTripleChecker+Invalid, 2021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 513 IncrementalHoareTripleChecker+Valid, 1508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-28 04:45:56,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2279 Valid, 5946 Invalid, 2021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [513 Valid, 1508 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-28 04:45:56,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70197 states. [2021-12-28 04:45:58,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70197 to 69317. [2021-12-28 04:45:58,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69317 states, 49219 states have (on average 1.2487047684837156) internal successors, (61460), 50001 states have internal predecessors, (61460), 15577 states have call successors, (15577), 4427 states have call predecessors, (15577), 4518 states have return successors, (17373), 15240 states have call predecessors, (17373), 15573 states have call successors, (17373) [2021-12-28 04:45:58,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69317 states to 69317 states and 94410 transitions. [2021-12-28 04:45:58,969 INFO L78 Accepts]: Start accepts. Automaton has 69317 states and 94410 transitions. Word has length 275 [2021-12-28 04:45:58,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:45:58,971 INFO L470 AbstractCegarLoop]: Abstraction has 69317 states and 94410 transitions. [2021-12-28 04:45:58,971 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, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-28 04:45:58,972 INFO L276 IsEmpty]: Start isEmpty. Operand 69317 states and 94410 transitions. [2021-12-28 04:45:58,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-12-28 04:45:58,975 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:45:58,975 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:45:58,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-28 04:45:58,976 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:45:58,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:45:58,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1084036835, now seen corresponding path program 1 times [2021-12-28 04:45:58,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:45:58,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681424680] [2021-12-28 04:45:58,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:45:58,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:45:59,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:45:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:45:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:45:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:45:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:45:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:45:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:45:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:45:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:45:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:45:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:45:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:45:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:45:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:45:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:45:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:45:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:45:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 04:45:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-28 04:45:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-28 04:45:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-28 04:45:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-28 04:45:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-28 04:45:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-28 04:45:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-28 04:45:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-28 04:45:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:59,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1484 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1482 trivial. 0 not checked. [2021-12-28 04:45:59,526 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:45:59,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681424680] [2021-12-28 04:45:59,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681424680] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:45:59,527 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:45:59,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:45:59,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036911819] [2021-12-28 04:45:59,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:45:59,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:45:59,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:45:59,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:45:59,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:45:59,529 INFO L87 Difference]: Start difference. First operand 69317 states and 94410 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-28 04:46:02,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:46:02,207 INFO L93 Difference]: Finished difference Result 70203 states and 95894 transitions. [2021-12-28 04:46:02,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:46:02,207 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 280 [2021-12-28 04:46:02,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:46:02,433 INFO L225 Difference]: With dead ends: 70203 [2021-12-28 04:46:02,433 INFO L226 Difference]: Without dead ends: 70201 [2021-12-28 04:46:02,462 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 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 04:46:02,462 INFO L933 BasicCegarLoop]: 1980 mSDtfsCounter, 2078 mSDsluCounter, 3965 mSDsCounter, 0 mSdLazyCounter, 1508 mSolverCounterSat, 512 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2272 SdHoareTripleChecker+Valid, 5945 SdHoareTripleChecker+Invalid, 2020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 512 IncrementalHoareTripleChecker+Valid, 1508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-28 04:46:02,462 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2272 Valid, 5945 Invalid, 2020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [512 Valid, 1508 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-28 04:46:02,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70201 states. [2021-12-28 04:46:04,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70201 to 69321. [2021-12-28 04:46:04,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69321 states, 49222 states have (on average 1.2486896103368412) internal successors, (61463), 50004 states have internal predecessors, (61463), 15577 states have call successors, (15577), 4428 states have call predecessors, (15577), 4519 states have return successors, (17373), 15240 states have call predecessors, (17373), 15573 states have call successors, (17373) [2021-12-28 04:46:04,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69321 states to 69321 states and 94413 transitions. [2021-12-28 04:46:04,517 INFO L78 Accepts]: Start accepts. Automaton has 69321 states and 94413 transitions. Word has length 280 [2021-12-28 04:46:04,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:46:04,518 INFO L470 AbstractCegarLoop]: Abstraction has 69321 states and 94413 transitions. [2021-12-28 04:46:04,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-28 04:46:04,518 INFO L276 IsEmpty]: Start isEmpty. Operand 69321 states and 94413 transitions. [2021-12-28 04:46:04,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-12-28 04:46:04,524 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:46:04,524 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:46:04,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-28 04:46:04,525 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:46:04,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:46:04,525 INFO L85 PathProgramCache]: Analyzing trace with hash -146859341, now seen corresponding path program 1 times [2021-12-28 04:46:04,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:46:04,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939836094] [2021-12-28 04:46:04,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:46:04,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:46:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:46:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:46:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:46:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:46:04,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:46:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:46:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:46:04,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:46:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:46:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:46:04,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:46:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:04,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:46:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:04,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:46:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:46:04,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:46:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:46:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:46:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:04,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 04:46:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-28 04:46:04,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-28 04:46:04,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-28 04:46:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-28 04:46:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-28 04:46:04,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-28 04:46:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-28 04:46:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-28 04:46:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-12-28 04:46:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:04,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1490 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1486 trivial. 0 not checked. [2021-12-28 04:46:04,953 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:46:04,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939836094] [2021-12-28 04:46:04,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939836094] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:46:04,953 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:46:04,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:46:04,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046777645] [2021-12-28 04:46:04,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:46:04,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:46:04,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:46:04,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:46:04,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:46:04,955 INFO L87 Difference]: Start difference. First operand 69321 states and 94413 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-28 04:46:07,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:46:07,820 INFO L93 Difference]: Finished difference Result 76109 states and 102123 transitions. [2021-12-28 04:46:07,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-28 04:46:07,821 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 285 [2021-12-28 04:46:07,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:46:08,108 INFO L225 Difference]: With dead ends: 76109 [2021-12-28 04:46:08,109 INFO L226 Difference]: Without dead ends: 76105 [2021-12-28 04:46:08,154 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 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 04:46:08,154 INFO L933 BasicCegarLoop]: 2027 mSDtfsCounter, 1813 mSDsluCounter, 4369 mSDsCounter, 0 mSdLazyCounter, 1661 mSolverCounterSat, 529 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1961 SdHoareTripleChecker+Valid, 6396 SdHoareTripleChecker+Invalid, 2190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 529 IncrementalHoareTripleChecker+Valid, 1661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-28 04:46:08,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1961 Valid, 6396 Invalid, 2190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [529 Valid, 1661 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-28 04:46:08,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76105 states. [2021-12-28 04:46:10,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76105 to 74973. [2021-12-28 04:46:10,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74973 states, 52870 states have (on average 1.2416114999054284) internal successors, (65644), 53651 states have internal predecessors, (65644), 16501 states have call successors, (16501), 5509 states have call predecessors, (16501), 5599 states have return successors, (18297), 16164 states have call predecessors, (18297), 16497 states have call successors, (18297) [2021-12-28 04:46:10,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74973 states to 74973 states and 100442 transitions. [2021-12-28 04:46:10,612 INFO L78 Accepts]: Start accepts. Automaton has 74973 states and 100442 transitions. Word has length 285 [2021-12-28 04:46:10,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:46:10,613 INFO L470 AbstractCegarLoop]: Abstraction has 74973 states and 100442 transitions. [2021-12-28 04:46:10,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-28 04:46:10,613 INFO L276 IsEmpty]: Start isEmpty. Operand 74973 states and 100442 transitions. [2021-12-28 04:46:10,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-12-28 04:46:10,617 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:46:10,617 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:46:10,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-28 04:46:10,617 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:46:10,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:46:10,618 INFO L85 PathProgramCache]: Analyzing trace with hash 2036062940, now seen corresponding path program 1 times [2021-12-28 04:46:10,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:46:10,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145535257] [2021-12-28 04:46:10,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:46:10,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:46:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:46:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:46:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:46:10,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:46:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:46:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:46:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:46:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:46:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:46:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:46:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:46:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:46:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:46:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:46:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:46:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:46:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:46:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 04:46:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-28 04:46:10,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-28 04:46:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-28 04:46:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-28 04:46:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-28 04:46:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-28 04:46:10,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-28 04:46:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-28 04:46:10,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:46:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-28 04:46:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-28 04:46:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-28 04:46:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:10,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1509 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1498 trivial. 0 not checked. [2021-12-28 04:46:10,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:46:10,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145535257] [2021-12-28 04:46:10,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145535257] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:46:10,888 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:46:10,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:46:10,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503964965] [2021-12-28 04:46:10,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:46:10,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:46:10,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:46:10,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:46:10,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:46:10,890 INFO L87 Difference]: Start difference. First operand 74973 states and 100442 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32)