./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-ti-tlan.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b 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-ti-tlan.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 081f08cc322ed1b23cdaf1065b4de8fc26993bbd7d135ca6cdb72ec1a93f1d7a --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:33:26,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:33:26,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:33:26,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:33:26,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:33:26,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:33:26,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:33:26,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:33:26,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:33:26,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:33:26,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:33:26,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:33:26,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:33:26,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:33:26,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:33:26,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:33:26,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:33:26,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:33:26,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:33:26,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:33:26,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:33:26,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:33:26,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:33:26,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:33:26,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:33:26,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:33:26,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:33:26,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:33:26,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:33:26,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:33:26,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:33:26,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:33:26,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:33:26,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:33:26,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:33:26,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:33:26,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:33:26,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:33:26,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:33:26,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:33:26,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:33:26,428 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:33:26,446 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:33:26,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:33:26,447 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:33:26,449 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:33:26,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:33:26,450 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:33:26,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:33:26,450 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:33:26,451 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:33:26,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:33:26,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:33:26,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:33:26,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:33:26,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:33:26,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:33:26,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:33:26,452 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:33:26,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:33:26,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:33:26,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:33:26,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:33:26,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:33:26,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:33:26,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:33:26,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:33:26,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:33:26,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:33:26,455 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:33:26,455 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:33:26,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:33:26,455 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:33:26,455 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 081f08cc322ed1b23cdaf1065b4de8fc26993bbd7d135ca6cdb72ec1a93f1d7a [2021-12-14 18:33:26,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:33:26,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:33:26,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:33:26,678 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:33:26,678 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:33:26,679 INFO L432 ainManager$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-ti-tlan.cil.i [2021-12-14 18:33:26,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b498f1ea/107d417290de41c6ab9863d819242125/FLAG6b875c987 [2021-12-14 18:33:27,424 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:33:27,425 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-ti-tlan.cil.i [2021-12-14 18:33:27,462 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b498f1ea/107d417290de41c6ab9863d819242125/FLAG6b875c987 [2021-12-14 18:33:27,775 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b498f1ea/107d417290de41c6ab9863d819242125 [2021-12-14 18:33:27,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:33:27,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:33:27,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:33:27,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:33:27,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:33:27,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:33:27" (1/1) ... [2021-12-14 18:33:27,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24197c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:27, skipping insertion in model container [2021-12-14 18:33:27,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:33:27" (1/1) ... [2021-12-14 18:33:27,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:33:27,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:33:29,632 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-ti-tlan.cil.i[317420,317433] [2021-12-14 18:33:29,634 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-ti-tlan.cil.i[317586,317599] [2021-12-14 18:33:29,639 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-ti-tlan.cil.i[317750,317763] [2021-12-14 18:33:29,640 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-ti-tlan.cil.i[317915,317928] [2021-12-14 18:33:29,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:33:29,708 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:33:29,983 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-ti-tlan.cil.i[317420,317433] [2021-12-14 18:33:29,984 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-ti-tlan.cil.i[317586,317599] [2021-12-14 18:33:29,984 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-ti-tlan.cil.i[317750,317763] [2021-12-14 18:33:29,985 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-ti-tlan.cil.i[317915,317928] [2021-12-14 18:33:29,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:33:30,109 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:33:30,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:30 WrapperNode [2021-12-14 18:33:30,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:33:30,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:33:30,111 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:33:30,111 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:33:30,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:30" (1/1) ... [2021-12-14 18:33:30,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:30" (1/1) ... [2021-12-14 18:33:30,338 INFO L137 Inliner]: procedures = 355, calls = 2107, calls flagged for inlining = 195, calls inlined = 185, statements flattened = 5002 [2021-12-14 18:33:30,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:33:30,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:33:30,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:33:30,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:33:30,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:30" (1/1) ... [2021-12-14 18:33:30,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:30" (1/1) ... [2021-12-14 18:33:30,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:30" (1/1) ... [2021-12-14 18:33:30,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:30" (1/1) ... [2021-12-14 18:33:30,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:30" (1/1) ... [2021-12-14 18:33:30,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:30" (1/1) ... [2021-12-14 18:33:30,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:30" (1/1) ... [2021-12-14 18:33:30,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:33:30,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:33:30,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:33:30,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:33:30,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:30" (1/1) ... [2021-12-14 18:33:30,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:33:30,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:33:30,601 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) [2021-12-14 18:33:30,623 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 [2021-12-14 18:33:30,632 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_resume [2021-12-14 18:33:30,633 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_resume [2021-12-14 18:33:30,633 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2021-12-14 18:33:30,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2021-12-14 18:33:30,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:33:30,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:33:30,633 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-14 18:33:30,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-14 18:33:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:33:30,634 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:33:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_exit [2021-12-14 18:33:30,634 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_exit [2021-12-14 18:33:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 18:33:30,634 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 18:33:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_write_reg [2021-12-14 18:33:30,634 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_write_reg [2021-12-14 18:33:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 18:33:30,635 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 18:33:30,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:33:30,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:33:30,635 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2021-12-14 18:33:30,635 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2021-12-14 18:33:30,635 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_interrupt [2021-12-14 18:33:30,635 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_interrupt [2021-12-14 18:33:30,635 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_start [2021-12-14 18:33:30,635 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_start [2021-12-14 18:33:30,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-14 18:33:30,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-14 18:33:30,636 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read8 [2021-12-14 18:33:30,636 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read8 [2021-12-14 18:33:30,636 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-14 18:33:30,636 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-14 18:33:30,637 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 18:33:30,637 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 18:33:30,637 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_read_and_clear_stats [2021-12-14 18:33:30,637 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_read_and_clear_stats [2021-12-14 18:33:30,637 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 18:33:30,637 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 18:33:30,637 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-12-14 18:33:30,637 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-12-14 18:33:30,638 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 18:33:30,638 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 18:33:30,638 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_sync [2021-12-14 18:33:30,638 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_sync [2021-12-14 18:33:30,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:33:30,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_26 [2021-12-14 18:33:30,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_26 [2021-12-14 18:33:30,638 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_multicast_list [2021-12-14 18:33:30,639 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_multicast_list [2021-12-14 18:33:30,639 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 18:33:30,639 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 18:33:30,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:33:30,640 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 18:33:30,641 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 18:33:30,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:33:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 18:33:30,642 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-14 18:33:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-14 18:33:30,642 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 18:33:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 18:33:30,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:33:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:33:30,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-14 18:33:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-14 18:33:30,643 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_eisa_cleanup [2021-12-14 18:33:30,643 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_eisa_cleanup [2021-12-14 18:33:30,643 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 18:33:30,643 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 18:33:30,643 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-14 18:33:30,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-14 18:33:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:33:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:33:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_print_list [2021-12-14 18:33:30,644 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_print_list [2021-12-14 18:33:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-14 18:33:30,644 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-14 18:33:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write16 [2021-12-14 18:33:30,644 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write16 [2021-12-14 18:33:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-14 18:33:30,645 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-14 18:33:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 18:33:30,645 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 18:33:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-14 18:33:30,645 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-14 18:33:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 18:33:30,646 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 18:33:30,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 18:33:30,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 18:33:30,646 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-12-14 18:33:30,647 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-12-14 18:33:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_lists [2021-12-14 18:33:30,647 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_lists [2021-12-14 18:33:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_finish_reset [2021-12-14 18:33:30,647 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_finish_reset [2021-12-14 18:33:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_close [2021-12-14 18:33:30,647 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_close [2021-12-14 18:33:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 18:33:30,647 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 18:33:30,648 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_print [2021-12-14 18:33:30,648 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_print [2021-12-14 18:33:30,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-14 18:33:30,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-14 18:33:30,648 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write32 [2021-12-14 18:33:30,648 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write32 [2021-12-14 18:33:30,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2021-12-14 18:33:30,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2021-12-14 18:33:30,649 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_probe1 [2021-12-14 18:33:30,649 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_probe1 [2021-12-14 18:33:30,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 18:33:30,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 18:33:30,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:33:30,650 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-14 18:33:30,650 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-14 18:33:30,652 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 18:33:30,652 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 18:33:30,653 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 18:33:30,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 18:33:30,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-14 18:33:30,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-14 18:33:30,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-14 18:33:30,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-14 18:33:30,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 18:33:30,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 18:33:30,658 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_timer [2021-12-14 18:33:30,659 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_timer [2021-12-14 18:33:30,659 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_stop [2021-12-14 18:33:30,659 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_stop [2021-12-14 18:33:30,659 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_mac [2021-12-14 18:33:30,659 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_mac [2021-12-14 18:33:30,659 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-14 18:33:30,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-14 18:33:30,659 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_start [2021-12-14 18:33:30,659 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_start [2021-12-14 18:33:30,659 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read32 [2021-12-14 18:33:30,660 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read32 [2021-12-14 18:33:30,660 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-14 18:33:30,660 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-14 18:33:30,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:33:30,660 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 18:33:30,660 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 18:33:30,660 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_remove_one [2021-12-14 18:33:30,660 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_remove_one [2021-12-14 18:33:30,660 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_skb [2021-12-14 18:33:30,660 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_skb [2021-12-14 18:33:30,661 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write8 [2021-12-14 18:33:30,661 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write8 [2021-12-14 18:33:30,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:33:30,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:33:30,661 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_down [2021-12-14 18:33:30,661 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_down [2021-12-14 18:33:30,661 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_byte [2021-12-14 18:33:30,661 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_byte [2021-12-14 18:33:30,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:33:30,661 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2021-12-14 18:33:30,662 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2021-12-14 18:33:30,662 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2021-12-14 18:33:30,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2021-12-14 18:33:30,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-14 18:33:30,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-14 18:33:30,662 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_poll [2021-12-14 18:33:30,662 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_poll [2021-12-14 18:33:30,662 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-14 18:33:30,662 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-14 18:33:30,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:33:30,662 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_adapter [2021-12-14 18:33:30,663 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_adapter [2021-12-14 18:33:30,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:33:30,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:33:30,663 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:33:30,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:33:30,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:33:30,663 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 18:33:30,664 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:33:30,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:33:30,664 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_send_data [2021-12-14 18:33:30,664 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_send_data [2021-12-14 18:33:30,664 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_read_reg [2021-12-14 18:33:30,664 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_read_reg [2021-12-14 18:33:30,664 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_free_lists [2021-12-14 18:33:30,664 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_free_lists [2021-12-14 18:33:30,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 18:33:30,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 18:33:30,665 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_open [2021-12-14 18:33:30,665 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_open [2021-12-14 18:33:30,665 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-14 18:33:30,665 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-14 18:33:30,665 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:33:30,665 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:33:30,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_11_2 [2021-12-14 18:33:30,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_11_2 [2021-12-14 18:33:30,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-14 18:33:30,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-14 18:33:30,666 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2021-12-14 18:33:30,666 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2021-12-14 18:33:30,666 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-14 18:33:30,666 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-14 18:33:30,666 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-12-14 18:33:30,666 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-12-14 18:33:30,666 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_store_skb [2021-12-14 18:33:30,667 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_store_skb [2021-12-14 18:33:30,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:33:30,667 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-14 18:33:30,667 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout [2021-12-14 18:33:30,667 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout [2021-12-14 18:33:30,667 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2021-12-14 18:33:30,667 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2021-12-14 18:33:30,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 18:33:30,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 18:33:30,667 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-14 18:33:30,668 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-14 18:33:30,668 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_detect [2021-12-14 18:33:30,668 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_detect [2021-12-14 18:33:30,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:33:30,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:33:30,668 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-12-14 18:33:30,668 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-12-14 18:33:31,446 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:33:31,450 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:33:32,007 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:33:33,777 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6906: assume 0 == (tlan_eisa_probe_~tmp___1~5#1.base + tlan_eisa_probe_~tmp___1~5#1.offset) % 18446744073709551616; [2021-12-14 18:33:33,777 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6906: assume !(0 == (tlan_eisa_probe_~tmp___1~5#1.base + tlan_eisa_probe_~tmp___1~5#1.offset) % 18446744073709551616); [2021-12-14 18:33:33,777 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6911-1: tlan_eisa_probe_~tmp___2~2#1 := tlan_eisa_probe_#t~ret338#1;havoc tlan_eisa_probe_#t~ret338#1; [2021-12-14 18:33:33,777 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6911: SUMMARY for call tlan_eisa_probe_#t~ret338#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-14 18:33:33,778 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6978: SUMMARY for call tlan_eisa_probe_#t~ret343#1 := tlan_probe1(0, 0, tlan_eisa_probe_~ioaddr~0#1, tlan_eisa_probe_~irq~0#1, 12, 0, 0); srcloc: null [2021-12-14 18:33:33,778 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6913: assume 4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296; [2021-12-14 18:33:33,778 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6913: assume !(4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296); [2021-12-14 18:33:33,778 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6915: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2021-12-14 18:33:33,778 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6985: assume -2147483648 <= tlan_eisa_probe_#t~ret343#1 && tlan_eisa_probe_#t~ret343#1 <= 2147483647;tlan_eisa_probe_~rc~2#1 := tlan_eisa_probe_#t~ret343#1;havoc tlan_eisa_probe_#t~ret343#1; [2021-12-14 18:33:33,778 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6921-1: tlan_eisa_probe_~device_id~1#1 := tlan_eisa_probe_#t~ret339#1;havoc tlan_eisa_probe_#t~ret339#1; [2021-12-14 18:33:33,778 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6921: SUMMARY for call tlan_eisa_probe_#t~ret339#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-14 18:33:33,779 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923: assume 8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296; [2021-12-14 18:33:33,779 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923: assume !(8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296); [2021-12-14 18:33:33,779 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6925: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2021-12-14 18:33:33,779 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6931-1: tlan_eisa_probe_~tmp___3~2#1 := tlan_eisa_probe_#t~ret340#1;havoc tlan_eisa_probe_#t~ret340#1; [2021-12-14 18:33:33,779 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6931: SUMMARY for call tlan_eisa_probe_#t~ret340#1 := inb((if (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-14 18:33:33,779 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6997-1: tlan_eisa_probe_~ioaddr~0#1 := 4096 + tlan_eisa_probe_~ioaddr~0#1; [2021-12-14 18:33:33,779 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6933: assume 1 != tlan_eisa_probe_~tmp___3~2#1 % 256 % 4294967296; [2021-12-14 18:33:33,779 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6933: assume !(1 != tlan_eisa_probe_~tmp___3~2#1 % 256 % 4294967296); [2021-12-14 18:33:33,779 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935-1: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet345#1; [2021-12-14 18:33:33,780 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935-1: assume !(16 == ~debug~0); [2021-12-14 18:33:33,782 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2021-12-14 18:33:33,783 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7006: assume tlan_eisa_probe_~ioaddr~0#1 <= 36863; [2021-12-14 18:33:33,783 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7006: assume !(tlan_eisa_probe_~ioaddr~0#1 <= 36863); [2021-12-14 18:33:33,783 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6940-2: SUMMARY for call tlan_eisa_probe_#t~ret342#1 := inb((if (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-14 18:33:33,783 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6940: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet341#1; [2021-12-14 18:33:33,783 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6940: assume !(16 == ~debug~0); [2021-12-14 18:33:33,783 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7008: assume 0 != ~bitwiseAnd(~debug~0, 16); [2021-12-14 18:33:33,783 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7008: assume !(0 != ~bitwiseAnd(~debug~0, 16)); [2021-12-14 18:33:33,784 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947: tlan_eisa_probe_~tmp___4~0#1 := tlan_eisa_probe_#t~ret342#1;havoc tlan_eisa_probe_#t~ret342#1; [2021-12-14 18:33:33,785 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6882-1: assume 0 != ~bitwiseAnd(~debug~0, 16); [2021-12-14 18:33:33,788 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6882-1: assume !(0 != ~bitwiseAnd(~debug~0, 16)); [2021-12-14 18:33:33,788 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6950: assume 16 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2021-12-14 18:33:33,789 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6950: assume !(16 == tlan_eisa_probe_~tmp___4~0#1 % 256); [2021-12-14 18:33:33,789 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6884-1: tlan_eisa_probe_~tmp~35#1 := tlan_eisa_probe_#t~ret332#1;havoc tlan_eisa_probe_#t~ret332#1;havoc tlan_eisa_probe_#t~nondet333#1; [2021-12-14 18:33:33,789 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6884: SUMMARY for call tlan_eisa_probe_#t~ret332#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-14 18:33:33,789 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6951: tlan_eisa_probe_~irq~0#1 := 5; [2021-12-14 18:33:33,789 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6954: assume 32 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2021-12-14 18:33:33,789 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6954: assume !(32 == tlan_eisa_probe_~tmp___4~0#1 % 256); [2021-12-14 18:33:33,789 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6955: tlan_eisa_probe_~irq~0#1 := 9; [2021-12-14 18:33:33,789 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6889-1: assume 0 != ~bitwiseAnd(~debug~0, 16);havoc tlan_eisa_probe_#t~nondet336#1; [2021-12-14 18:33:33,789 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6889-1: assume !(0 != ~bitwiseAnd(~debug~0, 16)); [2021-12-14 18:33:33,790 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6891-1: tlan_eisa_probe_~tmp___0~12#1 := tlan_eisa_probe_#t~ret334#1;havoc tlan_eisa_probe_#t~ret334#1;havoc tlan_eisa_probe_#t~nondet335#1; [2021-12-14 18:33:33,790 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6891: SUMMARY for call tlan_eisa_probe_#t~ret334#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-14 18:33:33,790 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6958: assume 64 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2021-12-14 18:33:33,790 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6958: assume !(64 == tlan_eisa_probe_~tmp___4~0#1 % 256); [2021-12-14 18:33:33,790 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6959: tlan_eisa_probe_~irq~0#1 := 10; [2021-12-14 18:33:33,790 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6962: assume 128 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2021-12-14 18:33:33,790 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6962: assume !(128 == tlan_eisa_probe_~tmp___4~0#1 % 256); [2021-12-14 18:33:33,790 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6896-1: call tlan_eisa_probe_#t~ret337#1.base, tlan_eisa_probe_#t~ret337#1.offset := __request_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16, ~#tlan_signature~0.base, ~#tlan_signature~0.offset, 0);tlan_eisa_probe_~tmp___1~5#1.base, tlan_eisa_probe_~tmp___1~5#1.offset := tlan_eisa_probe_#t~ret337#1.base, tlan_eisa_probe_#t~ret337#1.offset;havoc tlan_eisa_probe_#t~ret337#1.base, tlan_eisa_probe_#t~ret337#1.offset; [2021-12-14 18:33:33,790 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6963: tlan_eisa_probe_~irq~0#1 := 11; [2021-12-14 18:33:33,791 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-14 18:33:33,791 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6966: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet344#1; [2021-12-14 18:33:33,791 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6966: assume !(16 == ~debug~0); [2021-12-14 18:33:33,904 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:33:33,928 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:33:33,928 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 18:33:33,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:33:33 BoogieIcfgContainer [2021-12-14 18:33:33,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:33:33,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:33:33,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:33:33,938 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:33:33,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:33:27" (1/3) ... [2021-12-14 18:33:33,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b49620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:33:33, skipping insertion in model container [2021-12-14 18:33:33,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:30" (2/3) ... [2021-12-14 18:33:33,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b49620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:33:33, skipping insertion in model container [2021-12-14 18:33:33,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:33:33" (3/3) ... [2021-12-14 18:33:33,941 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-ti-tlan.cil.i [2021-12-14 18:33:33,946 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:33:33,946 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:33:34,005 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:33:34,014 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 [2021-12-14 18:33:34,014 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:33:34,070 INFO L276 IsEmpty]: Start isEmpty. Operand has 2070 states, 1366 states have (on average 1.2642752562225477) internal successors, (1727), 1408 states have internal predecessors, (1727), 603 states have call successors, (603), 101 states have call predecessors, (603), 100 states have return successors, (598), 584 states have call predecessors, (598), 598 states have call successors, (598) [2021-12-14 18:33:34,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-12-14 18:33:34,078 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:33:34,079 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:33:34,079 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:33:34,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:33:34,084 INFO L85 PathProgramCache]: Analyzing trace with hash -82470297, now seen corresponding path program 1 times [2021-12-14 18:33:34,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:33:34,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307875546] [2021-12-14 18:33:34,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:33:34,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:33:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:34,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:33:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:34,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:33:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:34,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:33:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:34,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:33:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:34,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:33:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:34,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:33:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:34,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:33:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:34,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:33:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:34,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:33:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:34,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:33:34,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:34,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:33:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:34,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:33:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:34,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-14 18:33:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:34,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:33:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:34,616 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-14 18:33:34,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:33:34,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307875546] [2021-12-14 18:33:34,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307875546] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:33:34,617 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:33:34,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:33:34,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891756257] [2021-12-14 18:33:34,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:33:34,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:33:34,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:33:34,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:33:34,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:33:34,646 INFO L87 Difference]: Start difference. First operand has 2070 states, 1366 states have (on average 1.2642752562225477) internal successors, (1727), 1408 states have internal predecessors, (1727), 603 states have call successors, (603), 101 states have call predecessors, (603), 100 states have return successors, (598), 584 states have call predecessors, (598), 598 states have call successors, (598) Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-14 18:33:42,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:33:42,521 INFO L93 Difference]: Finished difference Result 6765 states and 10963 transitions. [2021-12-14 18:33:42,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:33:42,524 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 90 [2021-12-14 18:33:42,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:33:42,601 INFO L225 Difference]: With dead ends: 6765 [2021-12-14 18:33:42,601 INFO L226 Difference]: Without dead ends: 4702 [2021-12-14 18:33:42,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:33:42,635 INFO L933 BasicCegarLoop]: 3438 mSDtfsCounter, 4138 mSDsluCounter, 3958 mSDsCounter, 0 mSdLazyCounter, 2357 mSolverCounterSat, 2447 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4550 SdHoareTripleChecker+Valid, 7396 SdHoareTripleChecker+Invalid, 4804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2447 IncrementalHoareTripleChecker+Valid, 2357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-12-14 18:33:42,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4550 Valid, 7396 Invalid, 4804 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2447 Valid, 2357 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2021-12-14 18:33:42,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4702 states. [2021-12-14 18:33:42,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4702 to 4036. [2021-12-14 18:33:42,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4036 states, 2666 states have (on average 1.2573143285821455) internal successors, (3352), 2750 states have internal predecessors, (3352), 1172 states have call successors, (1172), 198 states have call predecessors, (1172), 197 states have return successors, (1169), 1141 states have call predecessors, (1169), 1169 states have call successors, (1169) [2021-12-14 18:33:42,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4036 states to 4036 states and 5693 transitions. [2021-12-14 18:33:42,925 INFO L78 Accepts]: Start accepts. Automaton has 4036 states and 5693 transitions. Word has length 90 [2021-12-14 18:33:42,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:33:42,926 INFO L470 AbstractCegarLoop]: Abstraction has 4036 states and 5693 transitions. [2021-12-14 18:33:42,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-14 18:33:42,926 INFO L276 IsEmpty]: Start isEmpty. Operand 4036 states and 5693 transitions. [2021-12-14 18:33:42,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-12-14 18:33:42,934 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:33:42,935 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 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] [2021-12-14 18:33:42,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:33:42,935 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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:33:42,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:33:42,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1602511644, now seen corresponding path program 1 times [2021-12-14 18:33:42,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:33:42,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966179617] [2021-12-14 18:33:42,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:33:42,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:33:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:43,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:33:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:43,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:33:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:43,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:33:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:43,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:33:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:43,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:33:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:43,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:33:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:43,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:33:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:43,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:33:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:43,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:33:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:43,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:33:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:43,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:33:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:43,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:33:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:43,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-14 18:33:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:43,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-14 18:33:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:43,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-14 18:33:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:43,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-14 18:33:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:43,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-14 18:33:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:43,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:33:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:43,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-14 18:33:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:43,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-14 18:33:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:43,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-14 18:33:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:43,327 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2021-12-14 18:33:43,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:33:43,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966179617] [2021-12-14 18:33:43,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966179617] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:33:43,328 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:33:43,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:33:43,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498628031] [2021-12-14 18:33:43,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:33:43,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:33:43,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:33:43,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:33:43,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:33:43,333 INFO L87 Difference]: Start difference. First operand 4036 states and 5693 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-14 18:33:50,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:33:50,370 INFO L93 Difference]: Finished difference Result 9084 states and 13769 transitions. [2021-12-14 18:33:50,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:33:50,371 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 146 [2021-12-14 18:33:50,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:33:50,434 INFO L225 Difference]: With dead ends: 9084 [2021-12-14 18:33:50,434 INFO L226 Difference]: Without dead ends: 7024 [2021-12-14 18:33:50,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:33:50,453 INFO L933 BasicCegarLoop]: 5451 mSDtfsCounter, 3351 mSDsluCounter, 4796 mSDsCounter, 0 mSdLazyCounter, 2388 mSolverCounterSat, 1756 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3844 SdHoareTripleChecker+Valid, 10247 SdHoareTripleChecker+Invalid, 4144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1756 IncrementalHoareTripleChecker+Valid, 2388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-12-14 18:33:50,453 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3844 Valid, 10247 Invalid, 4144 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1756 Valid, 2388 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2021-12-14 18:33:50,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7024 states. [2021-12-14 18:33:50,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7024 to 6016. [2021-12-14 18:33:50,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6016 states, 3974 states have (on average 1.2574232511323604) internal successors, (4997), 4099 states have internal predecessors, (4997), 1746 states have call successors, (1746), 296 states have call predecessors, (1746), 295 states have return successors, (1743), 1701 states have call predecessors, (1743), 1743 states have call successors, (1743) [2021-12-14 18:33:50,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6016 states to 6016 states and 8486 transitions. [2021-12-14 18:33:50,752 INFO L78 Accepts]: Start accepts. Automaton has 6016 states and 8486 transitions. Word has length 146 [2021-12-14 18:33:50,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:33:50,753 INFO L470 AbstractCegarLoop]: Abstraction has 6016 states and 8486 transitions. [2021-12-14 18:33:50,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-14 18:33:50,753 INFO L276 IsEmpty]: Start isEmpty. Operand 6016 states and 8486 transitions. [2021-12-14 18:33:50,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-12-14 18:33:50,762 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:33:50,762 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 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] [2021-12-14 18:33:50,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:33:50,765 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:33:50,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:33:50,765 INFO L85 PathProgramCache]: Analyzing trace with hash 2025213470, now seen corresponding path program 1 times [2021-12-14 18:33:50,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:33:50,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467351085] [2021-12-14 18:33:50,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:33:50,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:33:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:50,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:33:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:50,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:33:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:50,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:33:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:50,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:33:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:50,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:33:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:50,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:33:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:50,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:33:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:50,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:33:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:50,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:33:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:51,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:33:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:51,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:33:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:51,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:33:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:51,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-14 18:33:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:51,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-14 18:33:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:51,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-14 18:33:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:51,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-14 18:33:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:51,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-14 18:33:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:51,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:33:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:51,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-14 18:33:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:51,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-14 18:33:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:51,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-14 18:33:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:51,071 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2021-12-14 18:33:51,071 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:33:51,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467351085] [2021-12-14 18:33:51,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467351085] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:33:51,071 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:33:51,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:33:51,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818882124] [2021-12-14 18:33:51,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:33:51,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:33:51,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:33:51,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:33:51,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:33:51,073 INFO L87 Difference]: Start difference. First operand 6016 states and 8486 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-14 18:33:55,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:33:55,230 INFO L93 Difference]: Finished difference Result 7021 states and 10868 transitions. [2021-12-14 18:33:55,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:33:55,231 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 146 [2021-12-14 18:33:55,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:33:55,281 INFO L225 Difference]: With dead ends: 7021 [2021-12-14 18:33:55,281 INFO L226 Difference]: Without dead ends: 7019 [2021-12-14 18:33:55,288 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-14 18:33:55,288 INFO L933 BasicCegarLoop]: 2803 mSDtfsCounter, 3406 mSDsluCounter, 6193 mSDsCounter, 0 mSdLazyCounter, 2213 mSolverCounterSat, 1644 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3678 SdHoareTripleChecker+Valid, 8996 SdHoareTripleChecker+Invalid, 3857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1644 IncrementalHoareTripleChecker+Valid, 2213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-14 18:33:55,289 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3678 Valid, 8996 Invalid, 3857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1644 Valid, 2213 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-14 18:33:55,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7019 states. [2021-12-14 18:33:55,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7019 to 6020. [2021-12-14 18:33:55,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6020 states, 3977 states have (on average 1.2572290671360322) internal successors, (5000), 4102 states have internal predecessors, (5000), 1746 states have call successors, (1746), 297 states have call predecessors, (1746), 296 states have return successors, (1743), 1701 states have call predecessors, (1743), 1743 states have call successors, (1743) [2021-12-14 18:33:55,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6020 states to 6020 states and 8489 transitions. [2021-12-14 18:33:55,617 INFO L78 Accepts]: Start accepts. Automaton has 6020 states and 8489 transitions. Word has length 146 [2021-12-14 18:33:55,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:33:55,617 INFO L470 AbstractCegarLoop]: Abstraction has 6020 states and 8489 transitions. [2021-12-14 18:33:55,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-14 18:33:55,618 INFO L276 IsEmpty]: Start isEmpty. Operand 6020 states and 8489 transitions. [2021-12-14 18:33:55,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-12-14 18:33:55,622 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:33:55,623 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 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] [2021-12-14 18:33:55,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 18:33:55,623 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:33:55,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:33:55,623 INFO L85 PathProgramCache]: Analyzing trace with hash -926038903, now seen corresponding path program 1 times [2021-12-14 18:33:55,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:33:55,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959575307] [2021-12-14 18:33:55,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:33:55,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:33:55,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:55,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:33:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:55,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:33:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:55,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:33:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:55,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:33:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:55,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:33:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:55,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:33:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:55,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:33:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:55,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:33:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:55,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:33:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:55,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:33:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:55,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:33:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:55,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:33:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:55,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-14 18:33:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:55,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-14 18:33:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:55,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-14 18:33:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:55,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-14 18:33:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:55,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-14 18:33:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:55,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:33:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:55,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-14 18:33:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:55,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-14 18:33:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:55,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-14 18:33:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:55,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-14 18:33:55,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:33:55,972 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2021-12-14 18:33:55,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:33:55,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959575307] [2021-12-14 18:33:55,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959575307] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:33:55,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:33:55,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:33:55,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227076385] [2021-12-14 18:33:55,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:33:55,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:33:55,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:33:55,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:33:55,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:33:55,975 INFO L87 Difference]: Start difference. First operand 6020 states and 8489 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-14 18:34:00,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:34:00,294 INFO L93 Difference]: Finished difference Result 7025 states and 10871 transitions. [2021-12-14 18:34:00,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:34:00,301 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 151 [2021-12-14 18:34:00,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:34:00,363 INFO L225 Difference]: With dead ends: 7025 [2021-12-14 18:34:00,363 INFO L226 Difference]: Without dead ends: 7021 [2021-12-14 18:34:00,371 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-14 18:34:00,373 INFO L933 BasicCegarLoop]: 2846 mSDtfsCounter, 3397 mSDsluCounter, 6309 mSDsCounter, 0 mSdLazyCounter, 2219 mSolverCounterSat, 1635 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3633 SdHoareTripleChecker+Valid, 9155 SdHoareTripleChecker+Invalid, 3854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1635 IncrementalHoareTripleChecker+Valid, 2219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-14 18:34:00,374 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3633 Valid, 9155 Invalid, 3854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1635 Valid, 2219 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-12-14 18:34:00,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7021 states. [2021-12-14 18:34:00,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7021 to 6022. [2021-12-14 18:34:00,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6022 states, 3979 states have (on average 1.256848454385524) internal successors, (5001), 4103 states have internal predecessors, (5001), 1746 states have call successors, (1746), 298 states have call predecessors, (1746), 296 states have return successors, (1743), 1701 states have call predecessors, (1743), 1743 states have call successors, (1743) [2021-12-14 18:34:00,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6022 states to 6022 states and 8490 transitions. [2021-12-14 18:34:00,682 INFO L78 Accepts]: Start accepts. Automaton has 6022 states and 8490 transitions. Word has length 151 [2021-12-14 18:34:00,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:34:00,682 INFO L470 AbstractCegarLoop]: Abstraction has 6022 states and 8490 transitions. [2021-12-14 18:34:00,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-14 18:34:00,683 INFO L276 IsEmpty]: Start isEmpty. Operand 6022 states and 8490 transitions. [2021-12-14 18:34:00,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-12-14 18:34:00,689 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:34:00,693 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:34:00,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 18:34:00,694 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:34:00,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:34:00,695 INFO L85 PathProgramCache]: Analyzing trace with hash 27504830, now seen corresponding path program 1 times [2021-12-14 18:34:00,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:34:00,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068533269] [2021-12-14 18:34:00,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:34:00,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:34:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:00,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:34:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:00,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:00,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:34:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:00,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:00,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:34:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:00,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:00,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:00,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:34:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:00,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:00,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:34:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:00,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:00,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:34:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:00,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:00,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-14 18:34:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:00,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-14 18:34:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:00,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-14 18:34:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:00,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-14 18:34:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:00,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-14 18:34:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:00,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:00,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-14 18:34:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:00,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-14 18:34:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:00,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-14 18:34:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:00,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-14 18:34:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:00,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 18:34:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:00,998 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2021-12-14 18:34:00,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:34:00,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068533269] [2021-12-14 18:34:00,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068533269] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:34:00,999 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:34:00,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:34:00,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036002929] [2021-12-14 18:34:01,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:34:01,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:34:01,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:34:01,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:34:01,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:34:01,001 INFO L87 Difference]: Start difference. First operand 6022 states and 8490 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-14 18:34:04,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:34:04,588 INFO L93 Difference]: Finished difference Result 7021 states and 10867 transitions. [2021-12-14 18:34:04,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:34:04,592 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 156 [2021-12-14 18:34:04,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:34:04,594 INFO L225 Difference]: With dead ends: 7021 [2021-12-14 18:34:04,594 INFO L226 Difference]: Without dead ends: 0 [2021-12-14 18:34:04,644 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-14 18:34:04,645 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3391 mSDsluCounter, 6328 mSDsCounter, 0 mSdLazyCounter, 2208 mSolverCounterSat, 1638 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3620 SdHoareTripleChecker+Valid, 9177 SdHoareTripleChecker+Invalid, 3846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1638 IncrementalHoareTripleChecker+Valid, 2208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-14 18:34:04,649 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3620 Valid, 9177 Invalid, 3846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1638 Valid, 2208 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-12-14 18:34:04,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-14 18:34:04,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-14 18:34:04,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 18:34:04,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-14 18:34:04,652 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 156 [2021-12-14 18:34:04,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:34:04,652 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 18:34:04,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-14 18:34:04,652 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-14 18:34:04,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-14 18:34:04,654 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-14 18:34:04,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 18:34:04,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.