./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.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 6a79b35c65887feb0e3310d99b98c096a3638844b86132f83b5aa5c0d07bcad8 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 03:50:49,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:50:49,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:50:49,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:50:49,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:50:49,622 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:50:49,624 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:50:49,626 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:50:49,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:50:49,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:50:49,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:50:49,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:50:49,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:50:49,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:50:49,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:50:49,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:50:49,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:50:49,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:50:49,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:50:49,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:50:49,652 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:50:49,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:50:49,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:50:49,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:50:49,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:50:49,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:50:49,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:50:49,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:50:49,665 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:50:49,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:50:49,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:50:49,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:50:49,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:50:49,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:50:49,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:50:49,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:50:49,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:50:49,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:50:49,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:50:49,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:50:49,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:50:49,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:50:49,676 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 03:50:49,706 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:50:49,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:50:49,707 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:50:49,707 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:50:49,708 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:50:49,708 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:50:49,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:50:49,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:50:49,709 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:50:49,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:50:49,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 03:50:49,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:50:49,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:50:49,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:50:49,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:50:49,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:50:49,711 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:50:49,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:50:49,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:50:49,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:50:49,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:50:49,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:50:49,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:50:49,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:50:49,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:50:49,713 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 03:50:49,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 03:50:49,713 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:50:49,714 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:50:49,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:50:49,714 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a79b35c65887feb0e3310d99b98c096a3638844b86132f83b5aa5c0d07bcad8 [2022-07-23 03:50:49,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:50:49,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:50:49,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:50:49,987 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:50:49,989 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:50:49,990 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2022-07-23 03:50:50,048 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e69f40a0/be5a1749252a40fc85631ed3b53eb80f/FLAG3d533d277 [2022-07-23 03:50:50,900 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:50:50,900 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2022-07-23 03:50:50,987 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e69f40a0/be5a1749252a40fc85631ed3b53eb80f/FLAG3d533d277 [2022-07-23 03:50:51,071 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e69f40a0/be5a1749252a40fc85631ed3b53eb80f [2022-07-23 03:50:51,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:50:51,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:50:51,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:50:51,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:50:51,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:50:51,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:50:51" (1/1) ... [2022-07-23 03:50:51,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c3f173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:50:51, skipping insertion in model container [2022-07-23 03:50:51,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:50:51" (1/1) ... [2022-07-23 03:50:51,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:50:51,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:50:55,328 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490366,490379] [2022-07-23 03:50:55,333 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490535,490548] [2022-07-23 03:50:55,333 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490702,490715] [2022-07-23 03:50:55,334 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490870,490883] [2022-07-23 03:50:55,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:50:55,405 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:50:55,593 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: HeapLValues must be converted to RValue before their value can be queried. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:517) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-23 03:50:55,604 INFO L158 Benchmark]: Toolchain (without parser) took 4527.03ms. Allocated memory was 98.6MB in the beginning and 188.7MB in the end (delta: 90.2MB). Free memory was 46.6MB in the beginning and 100.9MB in the end (delta: -54.3MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. [2022-07-23 03:50:55,604 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 03:50:55,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4523.68ms. Allocated memory was 98.6MB in the beginning and 188.7MB in the end (delta: 90.2MB). Free memory was 46.4MB in the beginning and 100.9MB in the end (delta: -54.5MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. [2022-07-23 03:50:55,607 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4523.68ms. Allocated memory was 98.6MB in the beginning and 188.7MB in the end (delta: 90.2MB). Free memory was 46.4MB in the beginning and 100.9MB in the end (delta: -54.5MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 6a79b35c65887feb0e3310d99b98c096a3638844b86132f83b5aa5c0d07bcad8 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 03:50:57,443 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:50:57,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:50:57,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:50:57,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:50:57,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:50:57,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:50:57,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:50:57,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:50:57,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:50:57,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:50:57,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:50:57,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:50:57,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:50:57,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:50:57,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:50:57,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:50:57,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:50:57,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:50:57,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:50:57,526 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:50:57,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:50:57,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:50:57,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:50:57,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:50:57,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:50:57,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:50:57,536 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:50:57,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:50:57,537 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:50:57,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:50:57,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:50:57,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:50:57,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:50:57,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:50:57,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:50:57,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:50:57,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:50:57,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:50:57,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:50:57,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:50:57,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:50:57,546 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 03:50:57,598 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:50:57,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:50:57,599 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:50:57,599 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:50:57,600 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:50:57,600 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:50:57,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:50:57,601 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:50:57,601 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:50:57,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:50:57,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:50:57,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:50:57,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:50:57,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:50:57,603 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 03:50:57,603 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 03:50:57,603 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 03:50:57,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:50:57,603 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:50:57,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:50:57,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:50:57,604 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:50:57,604 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:50:57,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:50:57,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:50:57,605 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:50:57,605 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:50:57,605 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 03:50:57,606 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 03:50:57,606 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:50:57,606 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:50:57,606 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:50:57,606 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 03:50:57,607 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a79b35c65887feb0e3310d99b98c096a3638844b86132f83b5aa5c0d07bcad8 [2022-07-23 03:50:57,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:50:57,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:50:57,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:50:57,919 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:50:57,921 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:50:57,923 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2022-07-23 03:50:57,994 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e01e3417/a0a6565e95414b8f9fb00156d0ad717d/FLAG09310027b [2022-07-23 03:50:58,899 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:50:58,900 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2022-07-23 03:50:58,957 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e01e3417/a0a6565e95414b8f9fb00156d0ad717d/FLAG09310027b [2022-07-23 03:50:59,347 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e01e3417/a0a6565e95414b8f9fb00156d0ad717d [2022-07-23 03:50:59,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:50:59,350 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:50:59,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:50:59,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:50:59,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:50:59,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:50:59" (1/1) ... [2022-07-23 03:50:59,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fd7d40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:50:59, skipping insertion in model container [2022-07-23 03:50:59,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:50:59" (1/1) ... [2022-07-23 03:50:59,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:50:59,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:51:03,259 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490366,490379] [2022-07-23 03:51:03,262 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490535,490548] [2022-07-23 03:51:03,267 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490702,490715] [2022-07-23 03:51:03,268 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490870,490883] [2022-07-23 03:51:03,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:51:03,343 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 03:51:03,447 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:51:03,795 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490366,490379] [2022-07-23 03:51:03,796 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490535,490548] [2022-07-23 03:51:03,797 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490702,490715] [2022-07-23 03:51:03,797 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490870,490883] [2022-07-23 03:51:03,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:51:03,822 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:51:04,308 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490366,490379] [2022-07-23 03:51:04,318 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490535,490548] [2022-07-23 03:51:04,319 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490702,490715] [2022-07-23 03:51:04,319 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490870,490883] [2022-07-23 03:51:04,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:51:04,573 INFO L208 MainTranslator]: Completed translation [2022-07-23 03:51:04,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:51:04 WrapperNode [2022-07-23 03:51:04,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 03:51:04,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 03:51:04,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 03:51:04,576 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 03:51:04,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:51:04" (1/1) ... [2022-07-23 03:51:04,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:51:04" (1/1) ... [2022-07-23 03:51:04,943 INFO L137 Inliner]: procedures = 488, calls = 4636, calls flagged for inlining = 228, calls inlined = 198, statements flattened = 8661 [2022-07-23 03:51:04,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 03:51:04,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 03:51:04,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 03:51:04,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 03:51:04,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:51:04" (1/1) ... [2022-07-23 03:51:04,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:51:04" (1/1) ... [2022-07-23 03:51:05,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:51:04" (1/1) ... [2022-07-23 03:51:05,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:51:04" (1/1) ... [2022-07-23 03:51:05,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:51:04" (1/1) ... [2022-07-23 03:51:05,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:51:04" (1/1) ... [2022-07-23 03:51:05,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:51:04" (1/1) ... [2022-07-23 03:51:05,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 03:51:05,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 03:51:05,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 03:51:05,408 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 03:51:05,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:51:04" (1/1) ... [2022-07-23 03:51:05,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:51:05,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 03:51:05,441 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) [2022-07-23 03:51:05,465 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 [2022-07-23 03:51:05,481 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2022-07-23 03:51:05,481 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2022-07-23 03:51:05,481 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-23 03:51:05,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-23 03:51:05,481 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2022-07-23 03:51:05,482 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2022-07-23 03:51:05,482 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2022-07-23 03:51:05,482 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2022-07-23 03:51:05,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 03:51:05,482 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 03:51:05,482 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-07-23 03:51:05,483 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-07-23 03:51:05,483 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2022-07-23 03:51:05,483 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2022-07-23 03:51:05,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 03:51:05,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 03:51:05,483 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2022-07-23 03:51:05,484 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2022-07-23 03:51:05,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 03:51:05,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 03:51:05,485 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2022-07-23 03:51:05,485 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2022-07-23 03:51:05,485 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2022-07-23 03:51:05,485 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2022-07-23 03:51:05,485 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2022-07-23 03:51:05,485 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2022-07-23 03:51:05,486 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2022-07-23 03:51:05,486 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2022-07-23 03:51:05,486 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2022-07-23 03:51:05,486 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2022-07-23 03:51:05,486 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2022-07-23 03:51:05,486 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2022-07-23 03:51:05,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 03:51:05,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 03:51:05,487 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-23 03:51:05,487 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-23 03:51:05,487 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 03:51:05,488 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 03:51:05,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 03:51:05,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 03:51:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 03:51:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2022-07-23 03:51:05,489 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2022-07-23 03:51:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2022-07-23 03:51:05,490 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2022-07-23 03:51:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-23 03:51:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 03:51:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 03:51:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 03:51:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2022-07-23 03:51:05,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2022-07-23 03:51:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-23 03:51:05,492 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-23 03:51:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 03:51:05,492 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 03:51:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2022-07-23 03:51:05,492 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2022-07-23 03:51:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2022-07-23 03:51:05,493 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2022-07-23 03:51:05,493 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2022-07-23 03:51:05,493 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2022-07-23 03:51:05,493 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-07-23 03:51:05,494 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-07-23 03:51:05,494 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2022-07-23 03:51:05,494 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2022-07-23 03:51:05,494 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2022-07-23 03:51:05,495 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2022-07-23 03:51:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 03:51:05,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 03:51:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2022-07-23 03:51:05,495 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2022-07-23 03:51:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2022-07-23 03:51:05,496 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2022-07-23 03:51:05,496 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2022-07-23 03:51:05,496 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2022-07-23 03:51:05,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 03:51:05,497 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 03:51:05,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 03:51:05,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 03:51:05,497 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-07-23 03:51:05,498 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-07-23 03:51:05,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 03:51:05,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 03:51:05,498 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2022-07-23 03:51:05,498 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2022-07-23 03:51:05,499 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2022-07-23 03:51:05,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2022-07-23 03:51:05,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 03:51:05,499 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2022-07-23 03:51:05,499 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2022-07-23 03:51:05,500 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2022-07-23 03:51:05,500 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2022-07-23 03:51:05,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 03:51:05,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 03:51:05,500 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2022-07-23 03:51:05,500 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2022-07-23 03:51:05,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-23 03:51:05,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-23 03:51:05,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 03:51:05,501 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2022-07-23 03:51:05,501 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2022-07-23 03:51:05,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 03:51:05,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 03:51:05,504 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2022-07-23 03:51:05,505 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2022-07-23 03:51:05,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 03:51:05,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 03:51:05,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 03:51:05,506 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-07-23 03:51:05,506 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-07-23 03:51:05,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 03:51:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2022-07-23 03:51:05,511 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2022-07-23 03:51:05,511 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2022-07-23 03:51:05,512 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2022-07-23 03:51:05,512 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2022-07-23 03:51:05,512 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2022-07-23 03:51:05,512 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-23 03:51:05,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-23 03:51:05,512 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2022-07-23 03:51:05,512 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2022-07-23 03:51:05,513 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-23 03:51:05,513 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-23 03:51:05,513 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 03:51:05,513 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 03:51:05,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 03:51:05,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 03:51:05,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 03:51:05,514 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 03:51:05,514 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 03:51:05,514 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-23 03:51:05,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-23 03:51:05,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 03:51:05,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 03:51:05,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 03:51:05,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 03:51:05,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 03:51:05,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 03:51:05,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 03:51:05,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 03:51:05,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-07-23 03:51:05,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-07-23 03:51:05,516 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-23 03:51:05,516 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-23 03:51:05,516 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2022-07-23 03:51:05,516 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2022-07-23 03:51:05,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 03:51:05,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 03:51:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 03:51:05,517 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 03:51:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2022-07-23 03:51:05,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2022-07-23 03:51:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-23 03:51:05,517 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-23 03:51:05,518 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2022-07-23 03:51:05,518 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2022-07-23 03:51:05,518 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2022-07-23 03:51:05,518 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2022-07-23 03:51:05,518 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2022-07-23 03:51:05,518 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2022-07-23 03:51:05,518 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 03:51:05,519 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 03:51:05,519 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2022-07-23 03:51:05,519 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2022-07-23 03:51:05,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 03:51:05,519 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 03:51:05,519 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-23 03:51:05,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-23 03:51:05,520 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-23 03:51:05,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-23 03:51:05,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 03:51:05,520 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 03:51:05,520 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 03:51:05,520 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2022-07-23 03:51:05,520 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2022-07-23 03:51:05,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 03:51:05,522 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2022-07-23 03:51:05,522 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2022-07-23 03:51:05,522 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2022-07-23 03:51:05,522 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2022-07-23 03:51:05,522 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2022-07-23 03:51:05,523 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2022-07-23 03:51:05,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 03:51:05,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 03:51:05,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 03:51:05,523 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-23 03:51:05,523 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-23 03:51:05,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 03:51:05,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 03:51:05,524 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2022-07-23 03:51:05,524 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2022-07-23 03:51:05,524 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-23 03:51:05,524 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-23 03:51:05,524 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2022-07-23 03:51:05,524 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2022-07-23 03:51:05,525 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-23 03:51:05,525 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-23 03:51:05,525 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 03:51:05,525 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 03:51:05,525 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2022-07-23 03:51:05,525 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2022-07-23 03:51:05,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 03:51:05,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 03:51:05,526 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-23 03:51:05,526 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-23 03:51:05,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2022-07-23 03:51:05,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2022-07-23 03:51:05,526 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-23 03:51:05,526 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-23 03:51:05,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 03:51:05,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 03:51:05,527 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2022-07-23 03:51:05,527 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2022-07-23 03:51:05,527 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-07-23 03:51:05,527 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-07-23 03:51:05,528 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 03:51:05,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 03:51:05,528 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2022-07-23 03:51:05,528 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2022-07-23 03:51:05,528 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 03:51:05,528 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 03:51:05,528 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2022-07-23 03:51:05,528 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2022-07-23 03:51:05,529 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2022-07-23 03:51:05,529 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2022-07-23 03:51:05,529 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2022-07-23 03:51:05,529 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2022-07-23 03:51:05,529 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2022-07-23 03:51:05,529 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2022-07-23 03:51:05,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 03:51:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 03:51:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 03:51:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 03:51:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 03:51:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 03:51:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2022-07-23 03:51:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2022-07-23 03:51:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-07-23 03:51:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-07-23 03:51:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-23 03:51:05,536 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-23 03:51:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2022-07-23 03:51:05,536 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2022-07-23 03:51:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 03:51:05,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 03:51:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-23 03:51:05,537 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-23 03:51:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2022-07-23 03:51:05,537 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2022-07-23 03:51:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2022-07-23 03:51:05,537 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2022-07-23 03:51:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2022-07-23 03:51:05,537 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2022-07-23 03:51:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2022-07-23 03:51:05,538 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2022-07-23 03:51:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2022-07-23 03:51:05,538 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2022-07-23 03:51:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-23 03:51:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-23 03:51:05,538 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-23 03:51:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2022-07-23 03:51:05,539 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2022-07-23 03:51:05,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 03:51:05,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 03:51:06,593 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 03:51:06,595 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 03:51:12,270 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 03:53:28,058 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 03:53:33,441 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 03:53:33,464 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 03:53:33,465 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 03:53:33,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:53:33 BoogieIcfgContainer [2022-07-23 03:53:33,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 03:53:33,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 03:53:33,474 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 03:53:33,478 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 03:53:33,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 03:50:59" (1/3) ... [2022-07-23 03:53:33,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e2e6c3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:53:33, skipping insertion in model container [2022-07-23 03:53:33,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:51:04" (2/3) ... [2022-07-23 03:53:33,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e2e6c3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:53:33, skipping insertion in model container [2022-07-23 03:53:33,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:53:33" (3/3) ... [2022-07-23 03:53:33,480 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2022-07-23 03:53:33,498 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 03:53:33,499 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-23 03:53:33,650 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 03:53:33,663 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@53bb21bf, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7d8f5e03 [2022-07-23 03:53:33,664 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-23 03:53:33,680 INFO L276 IsEmpty]: Start isEmpty. Operand has 2661 states, 1854 states have (on average 1.306903991370011) internal successors, (2423), 1858 states have internal predecessors, (2423), 689 states have call successors, (689), 116 states have call predecessors, (689), 115 states have return successors, (681), 681 states have call predecessors, (681), 681 states have call successors, (681) [2022-07-23 03:53:33,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2022-07-23 03:53:33,728 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:53:33,730 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:53:33,730 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 03:53:33,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:53:33,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1424593025, now seen corresponding path program 1 times [2022-07-23 03:53:33,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:53:33,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [634058198] [2022-07-23 03:53:33,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:53:33,764 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:53:33,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:53:33,769 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 03:53:33,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 03:53:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:53:37,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 4044 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:53:37,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:53:39,019 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-23 03:53:39,019 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:53:39,020 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:53:39,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [634058198] [2022-07-23 03:53:39,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [634058198] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:53:39,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:53:39,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:53:39,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369738181] [2022-07-23 03:53:39,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:53:39,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:53:39,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:53:39,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:53:39,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:53:39,093 INFO L87 Difference]: Start difference. First operand has 2661 states, 1854 states have (on average 1.306903991370011) internal successors, (2423), 1858 states have internal predecessors, (2423), 689 states have call successors, (689), 116 states have call predecessors, (689), 115 states have return successors, (681), 681 states have call predecessors, (681), 681 states have call successors, (681) Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-23 03:53:41,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:53:41,439 INFO L93 Difference]: Finished difference Result 7701 states and 11089 transitions. [2022-07-23 03:53:41,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:53:41,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 430 [2022-07-23 03:53:41,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:53:41,515 INFO L225 Difference]: With dead ends: 7701 [2022-07-23 03:53:41,515 INFO L226 Difference]: Without dead ends: 5105 [2022-07-23 03:53:41,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:53:41,555 INFO L413 NwaCegarLoop]: 4396 mSDtfsCounter, 3525 mSDsluCounter, 3709 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3525 SdHoareTripleChecker+Valid, 8105 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-23 03:53:41,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3525 Valid, 8105 Invalid, 64 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-23 03:53:41,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5105 states. [2022-07-23 03:53:41,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5105 to 5101. [2022-07-23 03:53:41,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5101 states, 3583 states have (on average 1.3067262070890315) internal successors, (4682), 3590 states have internal predecessors, (4682), 1289 states have call successors, (1289), 227 states have call predecessors, (1289), 226 states have return successors, (1285), 1285 states have call predecessors, (1285), 1285 states have call successors, (1285) [2022-07-23 03:53:41,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5101 states to 5101 states and 7256 transitions. [2022-07-23 03:53:41,994 INFO L78 Accepts]: Start accepts. Automaton has 5101 states and 7256 transitions. Word has length 430 [2022-07-23 03:53:41,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:53:41,998 INFO L495 AbstractCegarLoop]: Abstraction has 5101 states and 7256 transitions. [2022-07-23 03:53:41,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-23 03:53:41,999 INFO L276 IsEmpty]: Start isEmpty. Operand 5101 states and 7256 transitions. [2022-07-23 03:53:42,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2022-07-23 03:53:42,027 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:53:42,028 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:53:42,153 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-23 03:53:42,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:53:42,243 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 03:53:42,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:53:42,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1600924656, now seen corresponding path program 1 times [2022-07-23 03:53:42,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:53:42,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [739542850] [2022-07-23 03:53:42,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:53:42,253 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:53:42,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:53:42,255 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 03:53:42,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 03:53:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:53:46,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 4396 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:53:46,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:53:48,046 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-23 03:53:48,047 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:53:48,047 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:53:48,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [739542850] [2022-07-23 03:53:48,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [739542850] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:53:48,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:53:48,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:53:48,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868418649] [2022-07-23 03:53:48,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:53:48,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:53:48,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:53:48,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:53:48,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:53:48,199 INFO L87 Difference]: Start difference. First operand 5101 states and 7256 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-23 03:53:50,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:53:50,541 INFO L93 Difference]: Finished difference Result 12554 states and 17836 transitions. [2022-07-23 03:53:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:53:50,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 482 [2022-07-23 03:53:50,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:53:50,603 INFO L225 Difference]: With dead ends: 12554 [2022-07-23 03:53:50,604 INFO L226 Difference]: Without dead ends: 7530 [2022-07-23 03:53:50,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 480 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:53:50,640 INFO L413 NwaCegarLoop]: 4383 mSDtfsCounter, 3504 mSDsluCounter, 3703 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3504 SdHoareTripleChecker+Valid, 8086 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-23 03:53:50,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3504 Valid, 8086 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-23 03:53:50,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7530 states. [2022-07-23 03:53:50,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7530 to 7500. [2022-07-23 03:53:50,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7500 states, 5286 states have (on average 1.3057132046916382) internal successors, (6902), 5299 states have internal predecessors, (6902), 1869 states have call successors, (1869), 343 states have call predecessors, (1869), 342 states have return successors, (1865), 1860 states have call predecessors, (1865), 1865 states have call successors, (1865) [2022-07-23 03:53:51,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7500 states to 7500 states and 10636 transitions. [2022-07-23 03:53:51,177 INFO L78 Accepts]: Start accepts. Automaton has 7500 states and 10636 transitions. Word has length 482 [2022-07-23 03:53:51,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:53:51,180 INFO L495 AbstractCegarLoop]: Abstraction has 7500 states and 10636 transitions. [2022-07-23 03:53:51,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-23 03:53:51,181 INFO L276 IsEmpty]: Start isEmpty. Operand 7500 states and 10636 transitions. [2022-07-23 03:53:51,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2022-07-23 03:53:51,198 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:53:51,198 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:53:51,422 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forcibly destroying the process [2022-07-23 03:53:51,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:53:51,424 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 03:53:51,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:53:51,425 INFO L85 PathProgramCache]: Analyzing trace with hash -2103689921, now seen corresponding path program 1 times [2022-07-23 03:53:51,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:53:51,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [549708288] [2022-07-23 03:53:51,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:53:51,430 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:53:51,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:53:51,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 03:53:51,444 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 03:53:51,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 03:53:55,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:53:55,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 4423 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:53:55,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:53:56,354 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-23 03:53:56,355 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:53:56,355 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:53:56,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [549708288] [2022-07-23 03:53:56,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [549708288] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:53:56,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:53:56,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:53:56,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136187077] [2022-07-23 03:53:56,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:53:56,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:53:56,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:53:56,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:53:56,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:53:56,358 INFO L87 Difference]: Start difference. First operand 7500 states and 10636 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-23 03:53:58,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:53:58,264 INFO L93 Difference]: Finished difference Result 21997 states and 31204 transitions. [2022-07-23 03:53:58,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:53:58,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 488 [2022-07-23 03:53:58,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:53:58,402 INFO L225 Difference]: With dead ends: 21997 [2022-07-23 03:53:58,403 INFO L226 Difference]: Without dead ends: 14574 [2022-07-23 03:53:58,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 487 GetRequests, 486 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:53:58,458 INFO L413 NwaCegarLoop]: 4420 mSDtfsCounter, 3460 mSDsluCounter, 3719 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3460 SdHoareTripleChecker+Valid, 8139 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:53:58,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3460 Valid, 8139 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-23 03:53:58,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14574 states. [2022-07-23 03:53:59,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14574 to 14544. [2022-07-23 03:53:59,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14544 states, 10282 states have (on average 1.3066524022563704) internal successors, (13435), 10312 states have internal predecessors, (13435), 3590 states have call successors, (3590), 670 states have call predecessors, (3590), 669 states have return successors, (3586), 3567 states have call predecessors, (3586), 3586 states have call successors, (3586) [2022-07-23 03:53:59,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14544 states to 14544 states and 20611 transitions. [2022-07-23 03:53:59,205 INFO L78 Accepts]: Start accepts. Automaton has 14544 states and 20611 transitions. Word has length 488 [2022-07-23 03:53:59,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:53:59,206 INFO L495 AbstractCegarLoop]: Abstraction has 14544 states and 20611 transitions. [2022-07-23 03:53:59,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-23 03:53:59,206 INFO L276 IsEmpty]: Start isEmpty. Operand 14544 states and 20611 transitions. [2022-07-23 03:53:59,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2022-07-23 03:53:59,225 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:53:59,226 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:53:59,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 03:53:59,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:53:59,448 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 03:53:59,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:53:59,448 INFO L85 PathProgramCache]: Analyzing trace with hash 627471655, now seen corresponding path program 1 times [2022-07-23 03:53:59,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:53:59,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [584867837] [2022-07-23 03:53:59,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:53:59,454 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:53:59,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:53:59,456 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 03:53:59,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 03:54:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:54:03,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 4395 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:54:03,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:54:04,313 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-23 03:54:04,313 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:54:04,314 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:54:04,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [584867837] [2022-07-23 03:54:04,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [584867837] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:54:04,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:54:04,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:54:04,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352095885] [2022-07-23 03:54:04,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:54:04,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:54:04,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:54:04,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:54:04,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:54:04,317 INFO L87 Difference]: Start difference. First operand 14544 states and 20611 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-23 03:54:06,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:54:06,702 INFO L93 Difference]: Finished difference Result 38245 states and 54148 transitions. [2022-07-23 03:54:06,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:54:06,703 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 481 [2022-07-23 03:54:06,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:54:06,847 INFO L225 Difference]: With dead ends: 38245 [2022-07-23 03:54:06,847 INFO L226 Difference]: Without dead ends: 23778 [2022-07-23 03:54:06,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 479 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:54:06,923 INFO L413 NwaCegarLoop]: 4475 mSDtfsCounter, 3504 mSDsluCounter, 3702 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3504 SdHoareTripleChecker+Valid, 8177 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-23 03:54:06,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3504 Valid, 8177 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-23 03:54:06,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23778 states. [2022-07-23 03:54:08,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23778 to 23746. [2022-07-23 03:54:08,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23746 states, 16825 states have (on average 1.3049034175334324) internal successors, (21955), 16883 states have internal predecessors, (21955), 5800 states have call successors, (5800), 1119 states have call predecessors, (5800), 1118 states have return successors, (5796), 5753 states have call predecessors, (5796), 5796 states have call successors, (5796) [2022-07-23 03:54:08,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23746 states to 23746 states and 33551 transitions. [2022-07-23 03:54:08,677 INFO L78 Accepts]: Start accepts. Automaton has 23746 states and 33551 transitions. Word has length 481 [2022-07-23 03:54:08,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:54:08,679 INFO L495 AbstractCegarLoop]: Abstraction has 23746 states and 33551 transitions. [2022-07-23 03:54:08,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-23 03:54:08,680 INFO L276 IsEmpty]: Start isEmpty. Operand 23746 states and 33551 transitions. [2022-07-23 03:54:08,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2022-07-23 03:54:08,702 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:54:08,702 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:54:08,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 03:54:08,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:54:08,925 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 03:54:08,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:54:08,926 INFO L85 PathProgramCache]: Analyzing trace with hash 268938547, now seen corresponding path program 1 times [2022-07-23 03:54:08,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:54:08,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [946159345] [2022-07-23 03:54:08,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:54:08,933 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:54:08,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:54:08,944 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 03:54:08,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 03:54:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:54:13,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 4394 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:54:13,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:54:14,314 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-23 03:54:14,314 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:54:14,315 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:54:14,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [946159345] [2022-07-23 03:54:14,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [946159345] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:54:14,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:54:14,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:54:14,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645857613] [2022-07-23 03:54:14,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:54:14,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:54:14,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:54:14,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:54:14,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:54:14,317 INFO L87 Difference]: Start difference. First operand 23746 states and 33551 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-23 03:54:17,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:54:17,247 INFO L93 Difference]: Finished difference Result 64582 states and 91301 transitions. [2022-07-23 03:54:17,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:54:17,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 480 [2022-07-23 03:54:17,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:54:17,577 INFO L225 Difference]: With dead ends: 64582 [2022-07-23 03:54:17,577 INFO L226 Difference]: Without dead ends: 40913 [2022-07-23 03:54:17,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 479 GetRequests, 478 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:54:17,719 INFO L413 NwaCegarLoop]: 4837 mSDtfsCounter, 3504 mSDsluCounter, 3701 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3504 SdHoareTripleChecker+Valid, 8538 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-23 03:54:17,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3504 Valid, 8538 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-23 03:54:17,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40913 states. [2022-07-23 03:54:19,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40913 to 40885. [2022-07-23 03:54:19,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40885 states, 29012 states have (on average 1.3049083138011857) internal successors, (37858), 29126 states have internal predecessors, (37858), 9937 states have call successors, (9937), 1934 states have call predecessors, (9937), 1933 states have return successors, (9933), 9842 states have call predecessors, (9933), 9933 states have call successors, (9933) [2022-07-23 03:54:20,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40885 states to 40885 states and 57728 transitions. [2022-07-23 03:54:20,031 INFO L78 Accepts]: Start accepts. Automaton has 40885 states and 57728 transitions. Word has length 480 [2022-07-23 03:54:20,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:54:20,032 INFO L495 AbstractCegarLoop]: Abstraction has 40885 states and 57728 transitions. [2022-07-23 03:54:20,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-23 03:54:20,032 INFO L276 IsEmpty]: Start isEmpty. Operand 40885 states and 57728 transitions. [2022-07-23 03:54:20,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2022-07-23 03:54:20,051 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:54:20,051 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:54:20,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 03:54:20,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:54:20,273 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 03:54:20,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:54:20,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1359438917, now seen corresponding path program 1 times [2022-07-23 03:54:20,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:54:20,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1705560520] [2022-07-23 03:54:20,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:54:20,281 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:54:20,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:54:20,283 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 03:54:20,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 03:54:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:54:24,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 4176 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:54:24,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:54:25,386 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 6015 trivial. 0 not checked. [2022-07-23 03:54:25,386 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:54:25,386 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:54:25,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1705560520] [2022-07-23 03:54:25,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1705560520] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:54:25,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:54:25,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:54:25,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845593687] [2022-07-23 03:54:25,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:54:25,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:54:25,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:54:25,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:54:25,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:54:25,388 INFO L87 Difference]: Start difference. First operand 40885 states and 57728 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-23 03:54:28,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:54:28,397 INFO L93 Difference]: Finished difference Result 113841 states and 160895 transitions. [2022-07-23 03:54:28,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:54:28,398 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 493 [2022-07-23 03:54:28,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:54:28,934 INFO L225 Difference]: With dead ends: 113841 [2022-07-23 03:54:28,935 INFO L226 Difference]: Without dead ends: 76663 [2022-07-23 03:54:29,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 491 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:54:29,111 INFO L413 NwaCegarLoop]: 7244 mSDtfsCounter, 3484 mSDsluCounter, 3715 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3484 SdHoareTripleChecker+Valid, 10959 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:54:29,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3484 Valid, 10959 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-23 03:54:29,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76663 states. [2022-07-23 03:54:32,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76663 to 76659. [2022-07-23 03:54:32,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76659 states, 54448 states have (on average 1.305557596238613) internal successors, (71085), 54594 states have internal predecessors, (71085), 18574 states have call successors, (18574), 3635 states have call predecessors, (18574), 3634 states have return successors, (18570), 18463 states have call predecessors, (18570), 18570 states have call successors, (18570) [2022-07-23 03:54:33,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76659 states to 76659 states and 108229 transitions. [2022-07-23 03:54:33,023 INFO L78 Accepts]: Start accepts. Automaton has 76659 states and 108229 transitions. Word has length 493 [2022-07-23 03:54:33,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:54:33,024 INFO L495 AbstractCegarLoop]: Abstraction has 76659 states and 108229 transitions. [2022-07-23 03:54:33,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-23 03:54:33,025 INFO L276 IsEmpty]: Start isEmpty. Operand 76659 states and 108229 transitions. [2022-07-23 03:54:33,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2022-07-23 03:54:33,042 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:54:33,042 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:54:33,146 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-23 03:54:33,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:54:33,268 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 03:54:33,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:54:33,268 INFO L85 PathProgramCache]: Analyzing trace with hash -657839043, now seen corresponding path program 1 times [2022-07-23 03:54:33,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:54:33,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1105121774] [2022-07-23 03:54:33,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:54:33,272 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:54:33,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:54:33,273 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 03:54:33,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-23 03:54:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:54:36,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 4176 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 03:54:36,717 INFO L286 TraceCheckSpWp]: Computing forward predicates...