./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.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 114d7004654a3d86a028c0b122f5dce364226bca3b84d6d8b6f812ccac52ec20 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 12:25:10,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:25:10,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:25:10,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:25:10,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:25:10,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:25:10,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:25:10,607 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:25:10,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:25:10,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:25:10,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:25:10,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:25:10,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:25:10,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:25:10,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:25:10,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:25:10,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:25:10,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:25:10,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:25:10,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:25:10,638 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:25:10,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:25:10,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:25:10,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:25:10,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:25:10,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:25:10,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:25:10,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:25:10,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:25:10,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:25:10,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:25:10,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:25:10,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:25:10,655 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:25:10,656 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:25:10,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:25:10,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:25:10,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:25:10,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:25:10,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:25:10,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:25:10,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:25:10,665 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 12:25:10,709 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:25:10,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:25:10,710 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:25:10,710 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:25:10,711 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:25:10,711 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:25:10,712 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:25:10,712 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:25:10,712 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:25:10,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:25:10,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 12:25:10,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:25:10,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:25:10,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:25:10,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:25:10,714 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:25:10,715 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:25:10,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:25:10,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:25:10,715 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:25:10,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:25:10,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:25:10,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:25:10,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:25:10,716 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:25:10,716 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 12:25:10,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 12:25:10,717 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:25:10,717 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:25:10,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:25:10,718 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 114d7004654a3d86a028c0b122f5dce364226bca3b84d6d8b6f812ccac52ec20 [2022-07-21 12:25:11,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:25:11,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:25:11,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:25:11,091 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:25:11,094 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:25:11,095 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i [2022-07-21 12:25:11,156 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61c3c85b0/71b8d0735e6a4deb95770c44ca3ce9cf/FLAG23e70ab9b [2022-07-21 12:25:12,158 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:25:12,159 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i [2022-07-21 12:25:12,217 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61c3c85b0/71b8d0735e6a4deb95770c44ca3ce9cf/FLAG23e70ab9b [2022-07-21 12:25:12,537 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61c3c85b0/71b8d0735e6a4deb95770c44ca3ce9cf [2022-07-21 12:25:12,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:25:12,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:25:12,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:25:12,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:25:12,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:25:12,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:25:12" (1/1) ... [2022-07-21 12:25:12,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b2d8856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:25:12, skipping insertion in model container [2022-07-21 12:25:12,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:25:12" (1/1) ... [2022-07-21 12:25:12,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:25:12,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:25:16,047 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i[447736,447749] [2022-07-21 12:25:16,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:25:16,505 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:25:16,805 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) [2022-07-21 12:25:16,826 INFO L158 Benchmark]: Toolchain (without parser) took 4284.02ms. Allocated memory was 58.7MB in the beginning and 125.8MB in the end (delta: 67.1MB). Free memory was 32.4MB in the beginning and 53.8MB in the end (delta: -21.3MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2022-07-21 12:25:16,827 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 48.2MB. Free memory was 30.4MB in the beginning and 30.3MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 12:25:16,830 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4280.11ms. Allocated memory was 58.7MB in the beginning and 125.8MB in the end (delta: 67.1MB). Free memory was 32.2MB in the beginning and 53.8MB in the end (delta: -21.5MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2022-07-21 12:25:16,831 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 48.2MB. Free memory was 30.4MB in the beginning and 30.3MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4280.11ms. Allocated memory was 58.7MB in the beginning and 125.8MB in the end (delta: 67.1MB). Free memory was 32.2MB in the beginning and 53.8MB in the end (delta: -21.5MB). Peak memory consumption was 63.9MB. 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.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 114d7004654a3d86a028c0b122f5dce364226bca3b84d6d8b6f812ccac52ec20 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 12:25:18,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:25:18,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:25:18,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:25:18,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:25:18,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:25:18,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:25:18,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:25:18,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:25:18,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:25:18,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:25:18,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:25:18,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:25:18,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:25:18,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:25:18,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:25:18,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:25:18,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:25:18,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:25:18,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:25:18,855 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:25:18,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:25:18,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:25:18,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:25:18,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:25:18,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:25:18,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:25:18,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:25:18,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:25:18,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:25:18,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:25:18,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:25:18,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:25:18,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:25:18,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:25:18,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:25:18,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:25:18,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:25:18,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:25:18,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:25:18,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:25:18,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:25:18,882 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 12:25:18,914 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:25:18,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:25:18,915 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:25:18,915 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:25:18,916 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:25:18,916 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:25:18,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:25:18,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:25:18,918 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:25:18,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:25:18,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:25:18,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:25:18,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:25:18,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:25:18,919 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 12:25:18,920 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 12:25:18,920 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 12:25:18,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:25:18,920 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:25:18,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:25:18,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:25:18,921 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:25:18,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:25:18,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:25:18,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:25:18,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:25:18,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:25:18,922 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 12:25:18,922 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 12:25:18,922 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:25:18,923 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:25:18,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:25:18,923 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 12:25:18,924 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 114d7004654a3d86a028c0b122f5dce364226bca3b84d6d8b6f812ccac52ec20 [2022-07-21 12:25:19,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:25:19,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:25:19,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:25:19,302 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:25:19,303 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:25:19,305 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i [2022-07-21 12:25:19,368 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12f79ab66/f5005475ec674b08b944ddc6a9daf6f0/FLAGde897c012 [2022-07-21 12:25:20,328 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:25:20,329 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i [2022-07-21 12:25:20,389 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12f79ab66/f5005475ec674b08b944ddc6a9daf6f0/FLAGde897c012 [2022-07-21 12:25:20,852 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12f79ab66/f5005475ec674b08b944ddc6a9daf6f0 [2022-07-21 12:25:20,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:25:20,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:25:20,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:25:20,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:25:20,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:25:20,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:25:20" (1/1) ... [2022-07-21 12:25:20,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78bc33d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:25:20, skipping insertion in model container [2022-07-21 12:25:20,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:25:20" (1/1) ... [2022-07-21 12:25:20,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:25:21,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:25:24,669 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i[447736,447749] [2022-07-21 12:25:24,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:25:25,027 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 12:25:25,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:25:25,654 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i[447736,447749] [2022-07-21 12:25:25,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:25:25,731 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:25:26,228 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i[447736,447749] [2022-07-21 12:25:26,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:25:26,525 INFO L208 MainTranslator]: Completed translation [2022-07-21 12:25:26,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:25:26 WrapperNode [2022-07-21 12:25:26,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 12:25:26,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 12:25:26,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 12:25:26,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 12:25:26,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:25:26" (1/1) ... [2022-07-21 12:25:26,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:25:26" (1/1) ... [2022-07-21 12:25:26,928 INFO L137 Inliner]: procedures = 376, calls = 4604, calls flagged for inlining = 125, calls inlined = 121, statements flattened = 8610 [2022-07-21 12:25:26,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 12:25:26,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 12:25:26,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 12:25:26,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 12:25:26,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:25:26" (1/1) ... [2022-07-21 12:25:26,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:25:26" (1/1) ... [2022-07-21 12:25:26,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:25:26" (1/1) ... [2022-07-21 12:25:26,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:25:26" (1/1) ... [2022-07-21 12:25:27,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:25:26" (1/1) ... [2022-07-21 12:25:27,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:25:26" (1/1) ... [2022-07-21 12:25:27,325 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:25:26" (1/1) ... [2022-07-21 12:25:27,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 12:25:27,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 12:25:27,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 12:25:27,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 12:25:27,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:25:26" (1/1) ... [2022-07-21 12:25:27,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:25:27,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:25:27,473 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) [2022-07-21 12:25:27,503 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 [2022-07-21 12:25:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-21 12:25:27,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-21 12:25:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2022-07-21 12:25:27,521 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2022-07-21 12:25:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-21 12:25:27,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-21 12:25:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 12:25:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2022-07-21 12:25:27,522 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2022-07-21 12:25:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 12:25:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 12:25:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 12:25:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 12:25:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 12:25:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2022-07-21 12:25:27,523 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2022-07-21 12:25:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 12:25:27,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 12:25:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-21 12:25:27,524 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-21 12:25:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 12:25:27,524 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 12:25:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_power_mgmt [2022-07-21 12:25:27,524 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_power_mgmt [2022-07-21 12:25:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_get_station [2022-07-21 12:25:27,525 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_get_station [2022-07-21 12:25:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-07-21 12:25:27,525 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-07-21 12:25:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure eth_zero_addr [2022-07-21 12:25:27,525 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_zero_addr [2022-07-21 12:25:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2022-07-21 12:25:27,526 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2022-07-21 12:25:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 12:25:27,526 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 12:25:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2022-07-21 12:25:27,527 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2022-07-21 12:25:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2022-07-21 12:25:27,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2022-07-21 12:25:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2022-07-21 12:25:27,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2022-07-21 12:25:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 12:25:27,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 12:25:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_leave_ibss [2022-07-21 12:25:27,529 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_leave_ibss [2022-07-21 12:25:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-21 12:25:27,529 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-21 12:25:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2022-07-21 12:25:27,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2022-07-21 12:25:27,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_6 [2022-07-21 12:25:27,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_6 [2022-07-21 12:25:27,531 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_worker [2022-07-21 12:25:27,531 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_worker [2022-07-21 12:25:27,531 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2022-07-21 12:25:27,531 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2022-07-21 12:25:27,531 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_change_virtual_intf [2022-07-21 12:25:27,532 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_change_virtual_intf [2022-07-21 12:25:27,532 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_tx_power [2022-07-21 12:25:27,532 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_tx_power [2022-07-21 12:25:27,532 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2022-07-21 12:25:27,533 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2022-07-21 12:25:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_default_key [2022-07-21 12:25:27,533 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_default_key [2022-07-21 12:25:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_del_pmksa [2022-07-21 12:25:27,534 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_del_pmksa [2022-07-21 12:25:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2022-07-21 12:25:27,534 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2022-07-21 12:25:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 12:25:27,535 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 12:25:27,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 12:25:27,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 12:25:27,535 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-21 12:25:27,536 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-21 12:25:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-21 12:25:27,536 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-21 12:25:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_get_tx_power [2022-07-21 12:25:27,536 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_get_tx_power [2022-07-21 12:25:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2022-07-21 12:25:27,536 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2022-07-21 12:25:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2022-07-21 12:25:27,537 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2022-07-21 12:25:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 12:25:27,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 12:25:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_del_key [2022-07-21 12:25:27,538 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_del_key [2022-07-21 12:25:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2022-07-21 12:25:27,539 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2022-07-21 12:25:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 12:25:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 12:25:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure eth_broadcast_addr [2022-07-21 12:25:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_broadcast_addr [2022-07-21 12:25:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-21 12:25:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-21 12:25:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2022-07-21 12:25:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2022-07-21 12:25:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-21 12:25:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-21 12:25:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-21 12:25:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-21 12:25:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_get_scan_results [2022-07-21 12:25:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_get_scan_results [2022-07-21 12:25:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 12:25:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 12:25:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 12:25:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_cqm_rssi_config [2022-07-21 12:25:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_cqm_rssi_config [2022-07-21 12:25:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2022-07-21 12:25:27,544 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2022-07-21 12:25:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_join_ibss [2022-07-21 12:25:27,544 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_join_ibss [2022-07-21 12:25:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2022-07-21 12:25:27,545 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2022-07-21 12:25:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2022-07-21 12:25:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2022-07-21 12:25:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2022-07-21 12:25:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2022-07-21 12:25:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-21 12:25:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-21 12:25:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 12:25:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2022-07-21 12:25:27,550 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2022-07-21 12:25:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_flush_pmksa [2022-07-21 12:25:27,557 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_flush_pmksa [2022-07-21 12:25:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-21 12:25:27,557 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-21 12:25:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 12:25:27,558 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 12:25:27,558 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-07-21 12:25:27,558 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-07-21 12:25:27,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 12:25:27,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 12:25:27,558 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2022-07-21 12:25:27,558 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2022-07-21 12:25:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2022-07-21 12:25:27,559 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2022-07-21 12:25:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 12:25:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 12:25:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 12:25:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-21 12:25:27,559 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-21 12:25:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 12:25:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 12:25:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 12:25:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2022-07-21 12:25:27,560 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2022-07-21 12:25:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2022-07-21 12:25:27,560 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2022-07-21 12:25:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2022-07-21 12:25:27,561 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2022-07-21 12:25:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 12:25:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 12:25:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 12:25:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 12:25:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2022-07-21 12:25:27,561 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2022-07-21 12:25:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-21 12:25:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-21 12:25:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2022-07-21 12:25:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2022-07-21 12:25:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 12:25:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 12:25:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-21 12:25:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-21 12:25:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 12:25:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 12:25:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2022-07-21 12:25:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2022-07-21 12:25:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2022-07-21 12:25:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2022-07-21 12:25:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 12:25:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 12:25:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2022-07-21 12:25:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2022-07-21 12:25:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2022-07-21 12:25:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2022-07-21 12:25:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-21 12:25:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-21 12:25:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2022-07-21 12:25:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2022-07-21 12:25:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-21 12:25:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-21 12:25:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-07-21 12:25:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-07-21 12:25:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_pmksa [2022-07-21 12:25:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_pmksa [2022-07-21 12:25:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2022-07-21 12:25:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2022-07-21 12:25:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2022-07-21 12:25:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2022-07-21 12:25:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2022-07-21 12:25:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2022-07-21 12:25:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure get_current_channel [2022-07-21 12:25:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current_channel [2022-07-21 12:25:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2022-07-21 12:25:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2022-07-21 12:25:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-07-21 12:25:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-07-21 12:25:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2022-07-21 12:25:27,568 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2022-07-21 12:25:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 12:25:27,568 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 12:25:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2022-07-21 12:25:27,568 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2022-07-21 12:25:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 12:25:27,568 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 12:25:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2022-07-21 12:25:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2022-07-21 12:25:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2022-07-21 12:25:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2022-07-21 12:25:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2022-07-21 12:25:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2022-07-21 12:25:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-07-21 12:25:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-07-21 12:25:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2022-07-21 12:25:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2022-07-21 12:25:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 12:25:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 12:25:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 12:25:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 12:25:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 12:25:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 12:25:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 12:25:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 12:25:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_command_lock_of_rndis_wlan_private [2022-07-21 12:25:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_command_lock_of_rndis_wlan_private [2022-07-21 12:25:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2022-07-21 12:25:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2022-07-21 12:25:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2022-07-21 12:25:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2022-07-21 12:25:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 12:25:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_command_lock_of_rndis_wlan_private [2022-07-21 12:25:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_command_lock_of_rndis_wlan_private [2022-07-21 12:25:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2022-07-21 12:25:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2022-07-21 12:25:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2022-07-21 12:25:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2022-07-21 12:25:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2022-07-21 12:25:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2022-07-21 12:25:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 12:25:27,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 12:25:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 12:25:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2022-07-21 12:25:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2022-07-21 12:25:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2022-07-21 12:25:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2022-07-21 12:25:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2022-07-21 12:25:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2022-07-21 12:25:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 12:25:27,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 12:25:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 12:25:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-07-21 12:25:27,580 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-07-21 12:25:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-07-21 12:25:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-07-21 12:25:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 12:25:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2022-07-21 12:25:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2022-07-21 12:25:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_device_poller [2022-07-21 12:25:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_device_poller [2022-07-21 12:25:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2022-07-21 12:25:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2022-07-21 12:25:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_add_key [2022-07-21 12:25:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_add_key [2022-07-21 12:25:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-21 12:25:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-21 12:25:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2022-07-21 12:25:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2022-07-21 12:25:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-07-21 12:25:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-07-21 12:25:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-21 12:25:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-21 12:25:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-21 12:25:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-21 12:25:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2022-07-21 12:25:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2022-07-21 12:25:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2022-07-21 12:25:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2022-07-21 12:25:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2022-07-21 12:25:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2022-07-21 12:25:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2022-07-21 12:25:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2022-07-21 12:25:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2022-07-21 12:25:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2022-07-21 12:25:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2022-07-21 12:25:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2022-07-21 12:25:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-21 12:25:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-21 12:25:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 12:25:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 12:25:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_scan [2022-07-21 12:25:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_scan [2022-07-21 12:25:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 12:25:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-21 12:25:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-21 12:25:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2022-07-21 12:25:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2022-07-21 12:25:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2022-07-21 12:25:27,587 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2022-07-21 12:25:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 12:25:27,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 12:25:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_dump_station [2022-07-21 12:25:27,587 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_dump_station [2022-07-21 12:25:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 12:25:27,588 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 12:25:28,613 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 12:25:28,617 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 12:25:34,168 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 12:27:42,115 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 12:27:42,137 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 12:27:42,137 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 12:27:42,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:27:42 BoogieIcfgContainer [2022-07-21 12:27:42,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 12:27:42,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 12:27:42,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 12:27:42,146 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 12:27:42,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:25:20" (1/3) ... [2022-07-21 12:27:42,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@232e38d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:27:42, skipping insertion in model container [2022-07-21 12:27:42,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:25:26" (2/3) ... [2022-07-21 12:27:42,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@232e38d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:27:42, skipping insertion in model container [2022-07-21 12:27:42,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:27:42" (3/3) ... [2022-07-21 12:27:42,148 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i [2022-07-21 12:27:42,161 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 12:27:42,162 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 12:27:42,254 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 12:27:42,260 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@5d4b3332, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5cb887f7 [2022-07-21 12:27:42,260 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 12:27:42,272 INFO L276 IsEmpty]: Start isEmpty. Operand has 2903 states, 2017 states have (on average 1.3792761527020327) internal successors, (2782), 2045 states have internal predecessors, (2782), 749 states have call successors, (749), 136 states have call predecessors, (749), 135 states have return successors, (738), 738 states have call predecessors, (738), 738 states have call successors, (738) [2022-07-21 12:27:42,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2022-07-21 12:27:42,323 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:27:42,327 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:27:42,328 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:27:42,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:27:42,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1730661843, now seen corresponding path program 1 times [2022-07-21 12:27:42,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:27:42,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [19810391] [2022-07-21 12:27:42,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:27:42,372 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:27:42,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:27:42,375 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) [2022-07-21 12:27:42,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 12:27:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:47,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 5672 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-21 12:27:47,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:27:47,484 INFO L134 CoverageAnalysis]: Checked inductivity of 5144 backedges. 1391 proven. 0 refuted. 0 times theorem prover too weak. 3753 trivial. 0 not checked. [2022-07-21 12:27:47,485 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:27:47,486 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:27:47,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [19810391] [2022-07-21 12:27:47,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [19810391] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:27:47,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:27:47,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 12:27:47,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422486788] [2022-07-21 12:27:47,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:27:47,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 12:27:47,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:27:47,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 12:27:47,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 12:27:47,523 INFO L87 Difference]: Start difference. First operand has 2903 states, 2017 states have (on average 1.3792761527020327) internal successors, (2782), 2045 states have internal predecessors, (2782), 749 states have call successors, (749), 136 states have call predecessors, (749), 135 states have return successors, (738), 738 states have call predecessors, (738), 738 states have call successors, (738) Second operand has 2 states, 2 states have (on average 47.0) internal successors, (94), 2 states have internal predecessors, (94), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-07-21 12:27:47,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:27:47,747 INFO L93 Difference]: Finished difference Result 5801 states and 8836 transitions. [2022-07-21 12:27:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 12:27:47,750 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 47.0) internal successors, (94), 2 states have internal predecessors, (94), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 610 [2022-07-21 12:27:47,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:27:47,792 INFO L225 Difference]: With dead ends: 5801 [2022-07-21 12:27:47,792 INFO L226 Difference]: Without dead ends: 2884 [2022-07-21 12:27:47,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 609 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 12:27:47,832 INFO L413 NwaCegarLoop]: 4259 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4259 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:27:47,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4259 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 12:27:47,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2884 states. [2022-07-21 12:27:48,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2884 to 2884. [2022-07-21 12:27:48,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2884 states, 2011 states have (on average 1.3724515166583788) internal successors, (2760), 2026 states have internal predecessors, (2760), 738 states have call successors, (738), 135 states have call predecessors, (738), 134 states have return successors, (732), 732 states have call predecessors, (732), 732 states have call successors, (732) [2022-07-21 12:27:48,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2884 states to 2884 states and 4230 transitions. [2022-07-21 12:27:48,077 INFO L78 Accepts]: Start accepts. Automaton has 2884 states and 4230 transitions. Word has length 610 [2022-07-21 12:27:48,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:27:48,078 INFO L495 AbstractCegarLoop]: Abstraction has 2884 states and 4230 transitions. [2022-07-21 12:27:48,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.0) internal successors, (94), 2 states have internal predecessors, (94), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-07-21 12:27:48,079 INFO L276 IsEmpty]: Start isEmpty. Operand 2884 states and 4230 transitions. [2022-07-21 12:27:48,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2022-07-21 12:27:48,097 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:27:48,098 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:27:48,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 12:27:48,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:27:48,312 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:27:48,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:27:48,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1496753067, now seen corresponding path program 1 times [2022-07-21 12:27:48,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:27:48,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1146028601] [2022-07-21 12:27:48,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:27:48,320 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:27:48,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:27:48,322 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) [2022-07-21 12:27:48,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 12:27:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:56,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 5672 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 12:27:56,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:27:57,670 INFO L134 CoverageAnalysis]: Checked inductivity of 5144 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 4937 trivial. 0 not checked. [2022-07-21 12:27:57,670 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:27:57,670 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:27:57,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1146028601] [2022-07-21 12:27:57,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1146028601] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:27:57,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:27:57,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:27:57,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794292236] [2022-07-21 12:27:57,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:27:57,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:27:57,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:27:57,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:27:57,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:27:57,674 INFO L87 Difference]: Start difference. First operand 2884 states and 4230 transitions. Second operand has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-07-21 12:28:03,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:28:03,278 INFO L93 Difference]: Finished difference Result 5730 states and 8663 transitions. [2022-07-21 12:28:03,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 12:28:03,279 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 610 [2022-07-21 12:28:03,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:28:03,302 INFO L225 Difference]: With dead ends: 5730 [2022-07-21 12:28:03,303 INFO L226 Difference]: Without dead ends: 2885 [2022-07-21 12:28:03,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 611 GetRequests, 605 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:28:03,329 INFO L413 NwaCegarLoop]: 4203 mSDtfsCounter, 6 mSDsluCounter, 16739 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 20942 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-07-21 12:28:03,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 20942 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-07-21 12:28:03,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2885 states. [2022-07-21 12:28:03,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2885 to 2885. [2022-07-21 12:28:03,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2885 states, 2012 states have (on average 1.3722664015904573) internal successors, (2761), 2027 states have internal predecessors, (2761), 738 states have call successors, (738), 135 states have call predecessors, (738), 134 states have return successors, (732), 732 states have call predecessors, (732), 732 states have call successors, (732) [2022-07-21 12:28:03,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2885 states to 2885 states and 4231 transitions. [2022-07-21 12:28:03,435 INFO L78 Accepts]: Start accepts. Automaton has 2885 states and 4231 transitions. Word has length 610 [2022-07-21 12:28:03,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:28:03,439 INFO L495 AbstractCegarLoop]: Abstraction has 2885 states and 4231 transitions. [2022-07-21 12:28:03,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-07-21 12:28:03,439 INFO L276 IsEmpty]: Start isEmpty. Operand 2885 states and 4231 transitions. [2022-07-21 12:28:03,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 635 [2022-07-21 12:28:03,453 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:28:03,453 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 24, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:28:03,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-21 12:28:03,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:28:03,676 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:28:03,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:28:03,676 INFO L85 PathProgramCache]: Analyzing trace with hash 663251861, now seen corresponding path program 1 times [2022-07-21 12:28:03,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:28:03,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1578013723] [2022-07-21 12:28:03,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:28:03,681 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:28:03,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:28:03,684 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) [2022-07-21 12:28:03,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 12:28:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:12,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 5936 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 12:28:12,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:28:13,339 INFO L134 CoverageAnalysis]: Checked inductivity of 5996 backedges. 276 proven. 1 refuted. 0 times theorem prover too weak. 5719 trivial. 0 not checked. [2022-07-21 12:28:13,339 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 12:28:17,371 INFO L134 CoverageAnalysis]: Checked inductivity of 5996 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 5765 trivial. 0 not checked. [2022-07-21 12:28:17,371 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:28:17,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1578013723] [2022-07-21 12:28:17,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1578013723] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 12:28:17,372 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 12:28:17,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-21 12:28:17,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322867877] [2022-07-21 12:28:17,373 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 12:28:17,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 12:28:17,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:28:17,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 12:28:17,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-21 12:28:17,375 INFO L87 Difference]: Start difference. First operand 2885 states and 4231 transitions. Second operand has 11 states, 9 states have (on average 11.666666666666666) internal successors, (105), 11 states have internal predecessors, (105), 4 states have call successors, (74), 2 states have call predecessors, (74), 5 states have return successors, (74), 4 states have call predecessors, (74), 4 states have call successors, (74) [2022-07-21 12:28:26,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:28:26,105 INFO L93 Difference]: Finished difference Result 5742 states and 8679 transitions. [2022-07-21 12:28:26,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-21 12:28:26,107 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 11.666666666666666) internal successors, (105), 11 states have internal predecessors, (105), 4 states have call successors, (74), 2 states have call predecessors, (74), 5 states have return successors, (74), 4 states have call predecessors, (74), 4 states have call successors, (74) Word has length 634 [2022-07-21 12:28:26,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:28:26,129 INFO L225 Difference]: With dead ends: 5742 [2022-07-21 12:28:26,130 INFO L226 Difference]: Without dead ends: 2901 [2022-07-21 12:28:26,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1270 GetRequests, 1257 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-21 12:28:26,157 INFO L413 NwaCegarLoop]: 4205 mSDtfsCounter, 10 mSDsluCounter, 25116 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 29321 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-07-21 12:28:26,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 29321 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-07-21 12:28:26,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2901 states. [2022-07-21 12:28:26,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2901 to 2901. [2022-07-21 12:28:26,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2901 states, 2023 states have (on average 1.37073652990608) internal successors, (2773), 2038 states have internal predecessors, (2773), 740 states have call successors, (740), 138 states have call predecessors, (740), 137 states have return successors, (734), 734 states have call predecessors, (734), 734 states have call successors, (734) [2022-07-21 12:28:26,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2901 states to 2901 states and 4247 transitions. [2022-07-21 12:28:26,271 INFO L78 Accepts]: Start accepts. Automaton has 2901 states and 4247 transitions. Word has length 634 [2022-07-21 12:28:26,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:28:26,273 INFO L495 AbstractCegarLoop]: Abstraction has 2901 states and 4247 transitions. [2022-07-21 12:28:26,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 11.666666666666666) internal successors, (105), 11 states have internal predecessors, (105), 4 states have call successors, (74), 2 states have call predecessors, (74), 5 states have return successors, (74), 4 states have call predecessors, (74), 4 states have call successors, (74) [2022-07-21 12:28:26,274 INFO L276 IsEmpty]: Start isEmpty. Operand 2901 states and 4247 transitions. [2022-07-21 12:28:26,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 651 [2022-07-21 12:28:26,290 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:28:26,291 INFO L195 NwaCegarLoop]: trace histogram [40, 24, 24, 24, 24, 24, 24, 24, 24, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:28:26,469 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 12:28:26,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:28:26,508 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:28:26,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:28:26,509 INFO L85 PathProgramCache]: Analyzing trace with hash -337739471, now seen corresponding path program 2 times [2022-07-21 12:28:26,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:28:26,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1283316665] [2022-07-21 12:28:26,514 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 12:28:26,514 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:28:26,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:28:26,521 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) [2022-07-21 12:28:26,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 12:28:30,313 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 12:28:30,313 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 12:28:30,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 3905 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 12:28:30,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:28:56,613 INFO L134 CoverageAnalysis]: Checked inductivity of 6884 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6884 trivial. 0 not checked. [2022-07-21 12:28:56,614 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:28:56,614 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:28:56,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1283316665] [2022-07-21 12:28:56,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1283316665] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:28:56,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:28:56,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 12:28:56,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574823985] [2022-07-21 12:28:56,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:28:56,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 12:28:56,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:28:56,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 12:28:56,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 12:28:56,625 INFO L87 Difference]: Start difference. First operand 2901 states and 4247 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2022-07-21 12:28:56,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:28:56,813 INFO L93 Difference]: Finished difference Result 2921 states and 4265 transitions. [2022-07-21 12:28:56,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 12:28:56,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) Word has length 650 [2022-07-21 12:28:56,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:28:56,844 INFO L225 Difference]: With dead ends: 2921 [2022-07-21 12:28:56,845 INFO L226 Difference]: Without dead ends: 2915 [2022-07-21 12:28:56,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 649 GetRequests, 648 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 12:28:56,851 INFO L413 NwaCegarLoop]: 4224 mSDtfsCounter, 3910 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3910 SdHoareTripleChecker+Valid, 4372 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 12:28:56,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3910 Valid, 4372 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 12:28:56,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2915 states. [2022-07-21 12:28:56,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2915 to 2913. [2022-07-21 12:28:56,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2913 states, 2034 states have (on average 1.3692232055063913) internal successors, (2785), 2047 states have internal predecessors, (2785), 738 states have call successors, (738), 141 states have call predecessors, (738), 140 states have return successors, (734), 734 states have call predecessors, (734), 734 states have call successors, (734) [2022-07-21 12:28:56,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2913 states to 2913 states and 4257 transitions. [2022-07-21 12:28:56,987 INFO L78 Accepts]: Start accepts. Automaton has 2913 states and 4257 transitions. Word has length 650 [2022-07-21 12:28:56,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:28:56,990 INFO L495 AbstractCegarLoop]: Abstraction has 2913 states and 4257 transitions. [2022-07-21 12:28:56,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2022-07-21 12:28:56,992 INFO L276 IsEmpty]: Start isEmpty. Operand 2913 states and 4257 transitions. [2022-07-21 12:28:56,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 652 [2022-07-21 12:28:56,999 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:28:56,999 INFO L195 NwaCegarLoop]: trace histogram [40, 24, 24, 24, 24, 24, 24, 24, 24, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:28:57,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 12:28:57,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:28:57,216 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:28:57,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:28:57,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1881226883, now seen corresponding path program 1 times [2022-07-21 12:28:57,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:28:57,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2135491382] [2022-07-21 12:28:57,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:28:57,222 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:28:57,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:28:57,224 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) [2022-07-21 12:28:57,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 12:29:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:06,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 6113 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 12:29:06,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:29:07,727 INFO L134 CoverageAnalysis]: Checked inductivity of 6884 backedges. 367 proven. 3 refuted. 0 times theorem prover too weak. 6514 trivial. 0 not checked. [2022-07-21 12:29:07,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 12:29:13,159 INFO L134 CoverageAnalysis]: Checked inductivity of 6884 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 6560 trivial. 0 not checked. [2022-07-21 12:29:13,159 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:29:13,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2135491382] [2022-07-21 12:29:13,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2135491382] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 12:29:13,160 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 12:29:13,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-21 12:29:13,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34349657] [2022-07-21 12:29:13,160 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 12:29:13,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-21 12:29:13,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:29:13,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-21 12:29:13,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-21 12:29:13,163 INFO L87 Difference]: Start difference. First operand 2913 states and 4257 transitions. Second operand has 13 states, 11 states have (on average 9.818181818181818) internal successors, (108), 13 states have internal predecessors, (108), 4 states have call successors, (74), 2 states have call predecessors, (74), 5 states have return successors, (74), 4 states have call predecessors, (74), 4 states have call successors, (74)