./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 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-791161d [2022-07-23 01:08:09,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 01:08:09,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 01:08:09,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 01:08:09,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 01:08:09,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 01:08:09,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 01:08:09,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 01:08:09,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 01:08:09,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 01:08:09,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 01:08:09,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 01:08:09,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 01:08:09,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 01:08:09,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 01:08:09,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 01:08:09,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 01:08:09,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 01:08:09,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 01:08:09,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 01:08:09,828 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 01:08:09,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 01:08:09,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 01:08:09,831 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 01:08:09,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 01:08:09,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 01:08:09,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 01:08:09,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 01:08:09,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 01:08:09,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 01:08:09,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 01:08:09,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 01:08:09,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 01:08:09,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 01:08:09,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 01:08:09,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 01:08:09,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 01:08:09,841 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 01:08:09,841 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 01:08:09,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 01:08:09,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 01:08:09,843 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 01:08:09,844 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 01:08:09,867 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 01:08:09,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 01:08:09,868 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 01:08:09,868 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 01:08:09,869 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 01:08:09,869 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 01:08:09,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 01:08:09,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 01:08:09,870 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 01:08:09,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 01:08:09,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 01:08:09,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 01:08:09,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 01:08:09,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 01:08:09,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 01:08:09,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 01:08:09,872 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 01:08:09,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 01:08:09,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 01:08:09,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 01:08:09,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 01:08:09,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:08:09,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 01:08:09,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 01:08:09,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 01:08:09,875 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 01:08:09,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 01:08:09,875 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 01:08:09,875 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 01:08:09,876 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 01:08:09,876 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 114d7004654a3d86a028c0b122f5dce364226bca3b84d6d8b6f812ccac52ec20 [2022-07-23 01:08:10,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 01:08:10,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 01:08:10,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 01:08:10,137 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 01:08:10,138 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 01:08:10,139 INFO L432 ainManager$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 [2022-07-23 01:08:10,207 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff8100f3f/0f8f60badc2147529a49b15d6909c9f2/FLAGebb35f0c9 [2022-07-23 01:08:11,032 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 01:08:11,033 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 [2022-07-23 01:08:11,093 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff8100f3f/0f8f60badc2147529a49b15d6909c9f2/FLAGebb35f0c9 [2022-07-23 01:08:11,165 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff8100f3f/0f8f60badc2147529a49b15d6909c9f2 [2022-07-23 01:08:11,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 01:08:11,169 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 01:08:11,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 01:08:11,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 01:08:11,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 01:08:11,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:08:11" (1/1) ... [2022-07-23 01:08:11,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@625f6984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:08:11, skipping insertion in model container [2022-07-23 01:08:11,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:08:11" (1/1) ... [2022-07-23 01:08:11,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 01:08:11,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:08:13,836 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] [2022-07-23 01:08:14,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:08:14,103 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 01:08:14,331 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: HeapLValues must be converted to RValue before their value can be queried. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:517) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-23 01:08:14,340 INFO L158 Benchmark]: Toolchain (without parser) took 3169.93ms. Allocated memory was 94.4MB in the beginning and 205.5MB in the end (delta: 111.1MB). Free memory was 62.0MB in the beginning and 123.4MB in the end (delta: -61.3MB). Peak memory consumption was 91.5MB. Max. memory is 16.1GB. [2022-07-23 01:08:14,341 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 94.4MB. Free memory was 54.0MB in the beginning and 53.9MB in the end (delta: 34.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 01:08:14,343 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3167.39ms. Allocated memory was 94.4MB in the beginning and 205.5MB in the end (delta: 111.1MB). Free memory was 61.7MB in the beginning and 123.4MB in the end (delta: -61.6MB). Peak memory consumption was 91.5MB. Max. memory is 16.1GB. [2022-07-23 01:08:14,345 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 94.4MB. Free memory was 54.0MB in the beginning and 53.9MB in the end (delta: 34.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3167.39ms. Allocated memory was 94.4MB in the beginning and 205.5MB in the end (delta: 111.1MB). Free memory was 61.7MB in the beginning and 123.4MB in the end (delta: -61.6MB). Peak memory consumption was 91.5MB. 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-?-791161d [2022-07-23 01:08:16,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 01:08:16,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 01:08:16,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 01:08:16,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 01:08:16,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 01:08:16,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 01:08:16,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 01:08:16,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 01:08:16,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 01:08:16,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 01:08:16,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 01:08:16,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 01:08:16,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 01:08:16,404 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 01:08:16,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 01:08:16,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 01:08:16,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 01:08:16,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 01:08:16,424 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 01:08:16,426 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 01:08:16,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 01:08:16,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 01:08:16,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 01:08:16,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 01:08:16,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 01:08:16,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 01:08:16,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 01:08:16,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 01:08:16,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 01:08:16,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 01:08:16,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 01:08:16,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 01:08:16,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 01:08:16,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 01:08:16,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 01:08:16,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 01:08:16,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 01:08:16,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 01:08:16,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 01:08:16,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 01:08:16,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 01:08:16,463 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 01:08:16,509 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 01:08:16,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 01:08:16,510 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 01:08:16,510 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 01:08:16,512 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 01:08:16,512 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 01:08:16,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 01:08:16,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 01:08:16,514 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 01:08:16,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 01:08:16,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 01:08:16,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 01:08:16,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 01:08:16,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 01:08:16,516 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 01:08:16,516 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 01:08:16,517 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 01:08:16,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 01:08:16,517 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 01:08:16,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 01:08:16,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 01:08:16,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 01:08:16,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 01:08:16,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:08:16,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 01:08:16,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 01:08:16,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 01:08:16,519 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 01:08:16,519 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 01:08:16,520 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 01:08:16,520 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 01:08:16,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 01:08:16,520 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 01:08:16,521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 114d7004654a3d86a028c0b122f5dce364226bca3b84d6d8b6f812ccac52ec20 [2022-07-23 01:08:16,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 01:08:16,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 01:08:16,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 01:08:16,975 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 01:08:16,976 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 01:08:16,979 INFO L432 ainManager$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 [2022-07-23 01:08:17,058 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5251b989/077d509c300649f49732670cb3c6804d/FLAG2c108b9ec [2022-07-23 01:08:18,061 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 01:08:18,062 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 [2022-07-23 01:08:18,123 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5251b989/077d509c300649f49732670cb3c6804d/FLAG2c108b9ec [2022-07-23 01:08:18,449 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5251b989/077d509c300649f49732670cb3c6804d [2022-07-23 01:08:18,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 01:08:18,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 01:08:18,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 01:08:18,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 01:08:18,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 01:08:18,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:08:18" (1/1) ... [2022-07-23 01:08:18,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d9b086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:08:18, skipping insertion in model container [2022-07-23 01:08:18,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:08:18" (1/1) ... [2022-07-23 01:08:18,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 01:08:18,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:08:21,431 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] [2022-07-23 01:08:21,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:08:21,744 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 01:08:21,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:08:22,245 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] [2022-07-23 01:08:22,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:08:22,291 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 01:08:22,830 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] [2022-07-23 01:08:22,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:08:23,077 INFO L208 MainTranslator]: Completed translation [2022-07-23 01:08:23,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:08:23 WrapperNode [2022-07-23 01:08:23,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 01:08:23,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 01:08:23,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 01:08:23,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 01:08:23,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:08:23" (1/1) ... [2022-07-23 01:08:23,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:08:23" (1/1) ... [2022-07-23 01:08:23,507 INFO L137 Inliner]: procedures = 376, calls = 4604, calls flagged for inlining = 125, calls inlined = 121, statements flattened = 8610 [2022-07-23 01:08:23,508 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 01:08:23,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 01:08:23,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 01:08:23,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 01:08:23,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:08:23" (1/1) ... [2022-07-23 01:08:23,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:08:23" (1/1) ... [2022-07-23 01:08:23,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:08:23" (1/1) ... [2022-07-23 01:08:23,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:08:23" (1/1) ... [2022-07-23 01:08:23,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:08:23" (1/1) ... [2022-07-23 01:08:23,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:08:23" (1/1) ... [2022-07-23 01:08:23,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:08:23" (1/1) ... [2022-07-23 01:08:23,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 01:08:23,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 01:08:23,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 01:08:23,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 01:08:23,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:08:23" (1/1) ... [2022-07-23 01:08:23,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:08:23,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:08:23,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 01:08:23,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 01:08:24,007 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-23 01:08:24,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-23 01:08:24,007 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2022-07-23 01:08:24,007 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2022-07-23 01:08:24,008 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-23 01:08:24,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-23 01:08:24,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 01:08:24,008 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2022-07-23 01:08:24,008 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2022-07-23 01:08:24,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 01:08:24,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 01:08:24,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 01:08:24,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 01:08:24,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 01:08:24,009 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2022-07-23 01:08:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2022-07-23 01:08:24,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 01:08:24,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 01:08:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-23 01:08:24,010 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-23 01:08:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 01:08:24,010 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 01:08:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_power_mgmt [2022-07-23 01:08:24,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_power_mgmt [2022-07-23 01:08:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_get_station [2022-07-23 01:08:24,011 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_get_station [2022-07-23 01:08:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-07-23 01:08:24,011 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-07-23 01:08:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure eth_zero_addr [2022-07-23 01:08:24,011 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_zero_addr [2022-07-23 01:08:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2022-07-23 01:08:24,012 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2022-07-23 01:08:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 01:08:24,012 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 01:08:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2022-07-23 01:08:24,012 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2022-07-23 01:08:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2022-07-23 01:08:24,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2022-07-23 01:08:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2022-07-23 01:08:24,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2022-07-23 01:08:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 01:08:24,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 01:08:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_leave_ibss [2022-07-23 01:08:24,013 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_leave_ibss [2022-07-23 01:08:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-23 01:08:24,014 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-23 01:08:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2022-07-23 01:08:24,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2022-07-23 01:08:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_6 [2022-07-23 01:08:24,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_6 [2022-07-23 01:08:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_worker [2022-07-23 01:08:24,015 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_worker [2022-07-23 01:08:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2022-07-23 01:08:24,015 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2022-07-23 01:08:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_change_virtual_intf [2022-07-23 01:08:24,016 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_change_virtual_intf [2022-07-23 01:08:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_tx_power [2022-07-23 01:08:24,016 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_tx_power [2022-07-23 01:08:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2022-07-23 01:08:24,016 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2022-07-23 01:08:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_default_key [2022-07-23 01:08:24,017 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_default_key [2022-07-23 01:08:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_del_pmksa [2022-07-23 01:08:24,017 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_del_pmksa [2022-07-23 01:08:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2022-07-23 01:08:24,017 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2022-07-23 01:08:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 01:08:24,017 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 01:08:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 01:08:24,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 01:08:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-23 01:08:24,018 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-23 01:08:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-23 01:08:24,018 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-23 01:08:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_get_tx_power [2022-07-23 01:08:24,019 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_get_tx_power [2022-07-23 01:08:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2022-07-23 01:08:24,019 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2022-07-23 01:08:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2022-07-23 01:08:24,019 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2022-07-23 01:08:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 01:08:24,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 01:08:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_del_key [2022-07-23 01:08:24,020 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_del_key [2022-07-23 01:08:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2022-07-23 01:08:24,020 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2022-07-23 01:08:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 01:08:24,021 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 01:08:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure eth_broadcast_addr [2022-07-23 01:08:24,021 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_broadcast_addr [2022-07-23 01:08:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-23 01:08:24,021 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-23 01:08:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2022-07-23 01:08:24,022 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2022-07-23 01:08:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-23 01:08:24,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-23 01:08:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-23 01:08:24,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-23 01:08:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_get_scan_results [2022-07-23 01:08:24,023 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_get_scan_results [2022-07-23 01:08:24,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 01:08:24,023 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 01:08:24,023 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 01:08:24,023 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_cqm_rssi_config [2022-07-23 01:08:24,023 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_cqm_rssi_config [2022-07-23 01:08:24,024 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2022-07-23 01:08:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2022-07-23 01:08:24,024 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_join_ibss [2022-07-23 01:08:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_join_ibss [2022-07-23 01:08:24,024 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2022-07-23 01:08:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2022-07-23 01:08:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2022-07-23 01:08:24,025 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2022-07-23 01:08:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2022-07-23 01:08:24,025 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2022-07-23 01:08:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-23 01:08:24,025 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-23 01:08:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 01:08:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2022-07-23 01:08:24,026 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2022-07-23 01:08:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_flush_pmksa [2022-07-23 01:08:24,026 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_flush_pmksa [2022-07-23 01:08:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-23 01:08:24,026 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-23 01:08:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 01:08:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 01:08:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-07-23 01:08:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-07-23 01:08:24,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 01:08:24,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 01:08:24,028 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2022-07-23 01:08:24,028 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2022-07-23 01:08:24,028 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2022-07-23 01:08:24,029 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2022-07-23 01:08:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 01:08:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 01:08:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 01:08:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-23 01:08:24,029 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-23 01:08:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 01:08:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 01:08:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 01:08:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2022-07-23 01:08:24,030 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2022-07-23 01:08:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2022-07-23 01:08:24,030 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2022-07-23 01:08:24,031 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2022-07-23 01:08:24,031 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2022-07-23 01:08:24,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-23 01:08:24,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 01:08:24,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 01:08:24,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 01:08:24,032 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2022-07-23 01:08:24,032 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2022-07-23 01:08:24,032 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-23 01:08:24,032 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-23 01:08:24,032 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2022-07-23 01:08:24,032 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2022-07-23 01:08:24,032 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-23 01:08:24,033 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-23 01:08:24,033 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-23 01:08:24,033 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-23 01:08:24,033 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 01:08:24,033 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 01:08:24,033 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2022-07-23 01:08:24,034 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2022-07-23 01:08:24,034 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2022-07-23 01:08:24,034 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2022-07-23 01:08:24,034 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 01:08:24,034 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 01:08:24,034 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2022-07-23 01:08:24,034 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2022-07-23 01:08:24,035 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2022-07-23 01:08:24,035 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2022-07-23 01:08:24,035 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-23 01:08:24,035 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-23 01:08:24,035 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2022-07-23 01:08:24,035 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2022-07-23 01:08:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-23 01:08:24,036 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-23 01:08:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-07-23 01:08:24,036 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-07-23 01:08:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_pmksa [2022-07-23 01:08:24,036 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_pmksa [2022-07-23 01:08:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2022-07-23 01:08:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2022-07-23 01:08:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2022-07-23 01:08:24,039 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2022-07-23 01:08:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2022-07-23 01:08:24,039 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2022-07-23 01:08:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure get_current_channel [2022-07-23 01:08:24,039 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current_channel [2022-07-23 01:08:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2022-07-23 01:08:24,040 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2022-07-23 01:08:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-07-23 01:08:24,040 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-07-23 01:08:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2022-07-23 01:08:24,040 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2022-07-23 01:08:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 01:08:24,041 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 01:08:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2022-07-23 01:08:24,041 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2022-07-23 01:08:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 01:08:24,041 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 01:08:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2022-07-23 01:08:24,041 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2022-07-23 01:08:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2022-07-23 01:08:24,042 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2022-07-23 01:08:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2022-07-23 01:08:24,042 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2022-07-23 01:08:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-07-23 01:08:24,042 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-07-23 01:08:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2022-07-23 01:08:24,043 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2022-07-23 01:08:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 01:08:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 01:08:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 01:08:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 01:08:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 01:08:24,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 01:08:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 01:08:24,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 01:08:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_command_lock_of_rndis_wlan_private [2022-07-23 01:08:24,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_command_lock_of_rndis_wlan_private [2022-07-23 01:08:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2022-07-23 01:08:24,045 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2022-07-23 01:08:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2022-07-23 01:08:24,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2022-07-23 01:08:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 01:08:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_command_lock_of_rndis_wlan_private [2022-07-23 01:08:24,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_command_lock_of_rndis_wlan_private [2022-07-23 01:08:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2022-07-23 01:08:24,046 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2022-07-23 01:08:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2022-07-23 01:08:24,046 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2022-07-23 01:08:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2022-07-23 01:08:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2022-07-23 01:08:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 01:08:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 01:08:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 01:08:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2022-07-23 01:08:24,050 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2022-07-23 01:08:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2022-07-23 01:08:24,050 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2022-07-23 01:08:24,051 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2022-07-23 01:08:24,052 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2022-07-23 01:08:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 01:08:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 01:08:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 01:08:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-07-23 01:08:24,061 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-07-23 01:08:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-07-23 01:08:24,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-07-23 01:08:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 01:08:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2022-07-23 01:08:24,062 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2022-07-23 01:08:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_device_poller [2022-07-23 01:08:24,062 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_device_poller [2022-07-23 01:08:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2022-07-23 01:08:24,062 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2022-07-23 01:08:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_add_key [2022-07-23 01:08:24,062 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_add_key [2022-07-23 01:08:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-23 01:08:24,063 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-23 01:08:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2022-07-23 01:08:24,063 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2022-07-23 01:08:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-07-23 01:08:24,063 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-07-23 01:08:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-23 01:08:24,064 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-23 01:08:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-23 01:08:24,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-23 01:08:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2022-07-23 01:08:24,064 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2022-07-23 01:08:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2022-07-23 01:08:24,064 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2022-07-23 01:08:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2022-07-23 01:08:24,065 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2022-07-23 01:08:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2022-07-23 01:08:24,065 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2022-07-23 01:08:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2022-07-23 01:08:24,065 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2022-07-23 01:08:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2022-07-23 01:08:24,066 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2022-07-23 01:08:24,066 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-23 01:08:24,066 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-23 01:08:24,066 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 01:08:24,066 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 01:08:24,066 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_scan [2022-07-23 01:08:24,066 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_scan [2022-07-23 01:08:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 01:08:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-23 01:08:24,067 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-23 01:08:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2022-07-23 01:08:24,067 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2022-07-23 01:08:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2022-07-23 01:08:24,067 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2022-07-23 01:08:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 01:08:24,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 01:08:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_dump_station [2022-07-23 01:08:24,068 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_dump_station [2022-07-23 01:08:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 01:08:24,068 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 01:08:25,116 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 01:08:25,119 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 01:08:30,040 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 01:10:53,063 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 01:10:53,084 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 01:10:53,084 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 01:10:53,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:10:53 BoogieIcfgContainer [2022-07-23 01:10:53,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 01:10:53,091 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 01:10:53,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 01:10:53,094 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 01:10:53,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 01:08:18" (1/3) ... [2022-07-23 01:10:53,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f82a3bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:10:53, skipping insertion in model container [2022-07-23 01:10:53,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:08:23" (2/3) ... [2022-07-23 01:10:53,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f82a3bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:10:53, skipping insertion in model container [2022-07-23 01:10:53,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:10:53" (3/3) ... [2022-07-23 01:10:53,096 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i [2022-07-23 01:10:53,108 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 01:10:53,109 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 01:10:53,210 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 01:10:53,219 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@1106f0b3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@67f92634 [2022-07-23 01:10:53,220 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 01:10:53,232 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) [2022-07-23 01:10:53,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2022-07-23 01:10:53,285 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:10:53,286 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] [2022-07-23 01:10:53,287 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:10:53,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:10:53,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1730661843, now seen corresponding path program 1 times [2022-07-23 01:10:53,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:10:53,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [304957590] [2022-07-23 01:10:53,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:10:53,315 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:10:53,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:10:53,321 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:10:53,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 01:10:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:10:58,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 5672 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-23 01:10:58,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:10:58,723 INFO L134 CoverageAnalysis]: Checked inductivity of 5144 backedges. 1391 proven. 0 refuted. 0 times theorem prover too weak. 3753 trivial. 0 not checked. [2022-07-23 01:10:58,723 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:10:58,724 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:10:58,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [304957590] [2022-07-23 01:10:58,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [304957590] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:10:58,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:10:58,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 01:10:58,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448172356] [2022-07-23 01:10:58,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:10:58,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-23 01:10:58,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:10:58,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-23 01:10:58,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-23 01:10:58,771 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) [2022-07-23 01:10:59,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:10:59,001 INFO L93 Difference]: Finished difference Result 5801 states and 8836 transitions. [2022-07-23 01:10:59,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-23 01:10:59,005 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 [2022-07-23 01:10:59,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:10:59,043 INFO L225 Difference]: With dead ends: 5801 [2022-07-23 01:10:59,044 INFO L226 Difference]: Without dead ends: 2884 [2022-07-23 01:10:59,074 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 [2022-07-23 01:10:59,083 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 [2022-07-23 01:10:59,084 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] [2022-07-23 01:10:59,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2884 states. [2022-07-23 01:10:59,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2884 to 2884. [2022-07-23 01:10:59,304 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) [2022-07-23 01:10:59,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2884 states to 2884 states and 4230 transitions. [2022-07-23 01:10:59,339 INFO L78 Accepts]: Start accepts. Automaton has 2884 states and 4230 transitions. Word has length 610 [2022-07-23 01:10:59,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:10:59,342 INFO L495 AbstractCegarLoop]: Abstraction has 2884 states and 4230 transitions. [2022-07-23 01:10:59,343 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) [2022-07-23 01:10:59,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2884 states and 4230 transitions. [2022-07-23 01:10:59,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2022-07-23 01:10:59,364 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:10:59,364 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] [2022-07-23 01:10:59,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-23 01:10:59,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:10:59,580 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:10:59,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:10:59,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1496753067, now seen corresponding path program 1 times [2022-07-23 01:10:59,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:10:59,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1835808040] [2022-07-23 01:10:59,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:10:59,589 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:10:59,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:10:59,591 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:10:59,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 01:11:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:11:08,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 5672 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-23 01:11:09,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:11:10,105 INFO L134 CoverageAnalysis]: Checked inductivity of 5144 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 4937 trivial. 0 not checked. [2022-07-23 01:11:10,106 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:11:10,106 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:11:10,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1835808040] [2022-07-23 01:11:10,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1835808040] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:11:10,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:11:10,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:11:10,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780254731] [2022-07-23 01:11:10,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:11:10,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:11:10,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:11:10,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:11:10,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:11:10,110 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) [2022-07-23 01:11:17,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:11:17,173 INFO L93 Difference]: Finished difference Result 5730 states and 8663 transitions. [2022-07-23 01:11:17,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 01:11:17,174 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 [2022-07-23 01:11:17,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:11:17,202 INFO L225 Difference]: With dead ends: 5730 [2022-07-23 01:11:17,202 INFO L226 Difference]: Without dead ends: 2885 [2022-07-23 01:11:17,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 611 GetRequests, 605 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-23 01:11:17,234 INFO L413 NwaCegarLoop]: 4203 mSDtfsCounter, 6 mSDsluCounter, 16739 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s 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, 6.2s IncrementalHoareTripleChecker+Time [2022-07-23 01:11:17,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 20942 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-07-23 01:11:17,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2885 states. [2022-07-23 01:11:17,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2885 to 2885. [2022-07-23 01:11:17,335 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) [2022-07-23 01:11:17,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2885 states to 2885 states and 4231 transitions. [2022-07-23 01:11:17,358 INFO L78 Accepts]: Start accepts. Automaton has 2885 states and 4231 transitions. Word has length 610 [2022-07-23 01:11:17,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:11:17,363 INFO L495 AbstractCegarLoop]: Abstraction has 2885 states and 4231 transitions. [2022-07-23 01:11:17,363 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) [2022-07-23 01:11:17,363 INFO L276 IsEmpty]: Start isEmpty. Operand 2885 states and 4231 transitions. [2022-07-23 01:11:17,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 635 [2022-07-23 01:11:17,379 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:11:17,381 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] [2022-07-23 01:11:17,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 01:11:17,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:11:17,596 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:11:17,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:11:17,597 INFO L85 PathProgramCache]: Analyzing trace with hash 663251861, now seen corresponding path program 1 times [2022-07-23 01:11:17,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:11:17,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1401690560] [2022-07-23 01:11:17,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:11:17,608 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:11:17,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:11:17,610 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:11:17,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 01:11:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:11:27,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 5936 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 01:11:27,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:11:29,044 INFO L134 CoverageAnalysis]: Checked inductivity of 5996 backedges. 276 proven. 1 refuted. 0 times theorem prover too weak. 5719 trivial. 0 not checked. [2022-07-23 01:11:29,044 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:11:33,916 INFO L134 CoverageAnalysis]: Checked inductivity of 5996 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 5765 trivial. 0 not checked. [2022-07-23 01:11:33,917 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:11:33,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1401690560] [2022-07-23 01:11:33,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1401690560] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:11:33,918 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 01:11:33,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-23 01:11:33,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720185035] [2022-07-23 01:11:33,918 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 01:11:33,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-23 01:11:33,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:11:33,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-23 01:11:33,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-23 01:11:33,921 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) [2022-07-23 01:11:44,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:11:44,205 INFO L93 Difference]: Finished difference Result 5742 states and 8679 transitions. [2022-07-23 01:11:44,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-23 01:11:44,206 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 [2022-07-23 01:11:44,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:11:44,227 INFO L225 Difference]: With dead ends: 5742 [2022-07-23 01:11:44,227 INFO L226 Difference]: Without dead ends: 2901 [2022-07-23 01:11:44,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1270 GetRequests, 1257 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-23 01:11:44,252 INFO L413 NwaCegarLoop]: 4205 mSDtfsCounter, 10 mSDsluCounter, 25116 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s 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, 8.8s IncrementalHoareTripleChecker+Time [2022-07-23 01:11:44,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 29321 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2022-07-23 01:11:44,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2901 states. [2022-07-23 01:11:44,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2901 to 2901. [2022-07-23 01:11:44,356 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) [2022-07-23 01:11:44,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2901 states to 2901 states and 4247 transitions. [2022-07-23 01:11:44,378 INFO L78 Accepts]: Start accepts. Automaton has 2901 states and 4247 transitions. Word has length 634 [2022-07-23 01:11:44,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:11:44,380 INFO L495 AbstractCegarLoop]: Abstraction has 2901 states and 4247 transitions. [2022-07-23 01:11:44,381 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) [2022-07-23 01:11:44,381 INFO L276 IsEmpty]: Start isEmpty. Operand 2901 states and 4247 transitions. [2022-07-23 01:11:44,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 651 [2022-07-23 01:11:44,395 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:11:44,395 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] [2022-07-23 01:11:44,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 01:11:44,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:11:44,614 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:11:44,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:11:44,615 INFO L85 PathProgramCache]: Analyzing trace with hash -337739471, now seen corresponding path program 2 times [2022-07-23 01:11:44,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:11:44,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [697916727] [2022-07-23 01:11:44,621 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 01:11:44,622 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:11:44,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:11:44,624 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:11:44,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 01:11:48,222 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 01:11:48,223 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 01:11:48,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 3905 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 01:11:48,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:12:20,977 INFO L134 CoverageAnalysis]: Checked inductivity of 6884 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6884 trivial. 0 not checked. [2022-07-23 01:12:20,977 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:12:20,978 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:12:20,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [697916727] [2022-07-23 01:12:20,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [697916727] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:12:20,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:12:20,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 01:12:20,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744085790] [2022-07-23 01:12:20,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:12:20,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:12:20,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:12:20,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:12:20,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:12:20,980 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) [2022-07-23 01:12:21,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:12:21,217 INFO L93 Difference]: Finished difference Result 2921 states and 4265 transitions. [2022-07-23 01:12:21,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:12:21,218 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 [2022-07-23 01:12:21,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:12:21,250 INFO L225 Difference]: With dead ends: 2921 [2022-07-23 01:12:21,251 INFO L226 Difference]: Without dead ends: 2915 [2022-07-23 01:12:21,254 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 [2022-07-23 01:12:21,256 INFO L413 NwaCegarLoop]: 4224 mSDtfsCounter, 3910 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 01:12:21,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3910 Valid, 4372 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 01:12:21,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2915 states. [2022-07-23 01:12:21,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2915 to 2913. [2022-07-23 01:12:21,393 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)