./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.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 eaaec3cc0f5537133af92fa7cbd54bc8d5ff0f4d0c87a0d3c9d98d3d6549f9cf --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 00:18:58,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:18:58,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:18:58,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:18:58,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:18:58,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:18:58,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:18:58,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:18:58,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:18:58,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:18:58,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:18:58,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:18:58,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:18:58,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:18:58,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:18:58,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:18:58,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:18:58,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:18:58,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:18:58,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:18:58,651 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:18:58,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:18:58,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:18:58,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:18:58,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:18:58,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:18:58,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:18:58,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:18:58,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:18:58,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:18:58,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:18:58,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:18:58,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:18:58,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:18:58,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:18:58,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:18:58,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:18:58,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:18:58,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:18:58,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:18:58,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:18:58,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:18:58,679 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 00:18:58,694 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:18:58,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:18:58,695 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:18:58,695 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:18:58,696 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:18:58,696 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:18:58,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:18:58,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:18:58,697 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:18:58,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:18:58,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 00:18:58,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:18:58,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:18:58,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:18:58,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:18:58,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:18:58,698 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:18:58,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:18:58,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:18:58,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:18:58,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:18:58,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:18:58,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:18:58,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:18:58,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:18:58,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 00:18:58,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 00:18:58,700 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:18:58,700 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:18:58,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:18:58,700 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaaec3cc0f5537133af92fa7cbd54bc8d5ff0f4d0c87a0d3c9d98d3d6549f9cf [2022-07-14 00:18:58,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:18:58,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:18:58,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:18:58,952 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:18:58,953 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:18:58,953 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2022-07-14 00:18:59,025 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/404c2681f/4baaa934afee42a788e673e996a79dbf/FLAGbc3acc132 [2022-07-14 00:18:59,846 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:18:59,846 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2022-07-14 00:18:59,903 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/404c2681f/4baaa934afee42a788e673e996a79dbf/FLAGbc3acc132 [2022-07-14 00:19:00,339 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/404c2681f/4baaa934afee42a788e673e996a79dbf [2022-07-14 00:19:00,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:19:00,344 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:19:00,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:19:00,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:19:00,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:19:00,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:19:00" (1/1) ... [2022-07-14 00:19:00,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78be8c3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:00, skipping insertion in model container [2022-07-14 00:19:00,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:19:00" (1/1) ... [2022-07-14 00:19:00,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:19:00,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:19:01,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i[210460,210473] [2022-07-14 00:19:04,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:19:04,521 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:19:04,658 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i[210460,210473] [2022-07-14 00:19:04,736 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: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) [2022-07-14 00:19:04,746 INFO L158 Benchmark]: Toolchain (without parser) took 4401.30ms. Allocated memory was 107.0MB in the beginning and 155.2MB in the end (delta: 48.2MB). Free memory was 77.1MB in the beginning and 57.4MB in the end (delta: 19.7MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. [2022-07-14 00:19:04,747 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 00:19:04,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4398.90ms. Allocated memory was 107.0MB in the beginning and 155.2MB in the end (delta: 48.2MB). Free memory was 77.1MB in the beginning and 57.4MB in the end (delta: 19.7MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. [2022-07-14 00:19:04,750 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4398.90ms. Allocated memory was 107.0MB in the beginning and 155.2MB in the end (delta: 48.2MB). Free memory was 77.1MB in the beginning and 57.4MB in the end (delta: 19.7MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.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 eaaec3cc0f5537133af92fa7cbd54bc8d5ff0f4d0c87a0d3c9d98d3d6549f9cf --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 00:19:06,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:19:06,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:19:06,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:19:06,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:19:06,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:19:06,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:19:06,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:19:06,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:19:06,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:19:06,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:19:06,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:19:06,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:19:06,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:19:06,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:19:06,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:19:06,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:19:06,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:19:06,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:19:06,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:19:06,954 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:19:06,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:19:06,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:19:06,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:19:06,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:19:06,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:19:06,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:19:06,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:19:06,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:19:06,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:19:06,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:19:06,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:19:06,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:19:06,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:19:06,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:19:06,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:19:06,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:19:06,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:19:06,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:19:06,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:19:06,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:19:06,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:19:06,982 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 00:19:07,001 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:19:07,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:19:07,003 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:19:07,003 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:19:07,003 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:19:07,004 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:19:07,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:19:07,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:19:07,005 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:19:07,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:19:07,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:19:07,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:19:07,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:19:07,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:19:07,014 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 00:19:07,014 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 00:19:07,014 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 00:19:07,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:19:07,015 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:19:07,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:19:07,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:19:07,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:19:07,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:19:07,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:19:07,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:19:07,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:19:07,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:19:07,016 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 00:19:07,017 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 00:19:07,017 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:19:07,017 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:19:07,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:19:07,018 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 00:19:07,018 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaaec3cc0f5537133af92fa7cbd54bc8d5ff0f4d0c87a0d3c9d98d3d6549f9cf [2022-07-14 00:19:07,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:19:07,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:19:07,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:19:07,420 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:19:07,420 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:19:07,422 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2022-07-14 00:19:07,482 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf9afe046/31cdd4dc629c4047b6125b7fc20f87a0/FLAG1484b905d [2022-07-14 00:19:08,448 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:19:08,449 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2022-07-14 00:19:08,507 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf9afe046/31cdd4dc629c4047b6125b7fc20f87a0/FLAG1484b905d [2022-07-14 00:19:08,975 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf9afe046/31cdd4dc629c4047b6125b7fc20f87a0 [2022-07-14 00:19:08,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:19:08,979 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:19:08,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:19:08,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:19:08,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:19:08,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:19:08" (1/1) ... [2022-07-14 00:19:08,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@228473f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:08, skipping insertion in model container [2022-07-14 00:19:08,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:19:08" (1/1) ... [2022-07-14 00:19:08,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:19:09,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:19:10,431 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i[210460,210473] [2022-07-14 00:19:13,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:19:13,133 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 00:19:13,220 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:19:13,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i[210460,210473] [2022-07-14 00:19:13,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:19:13,799 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:19:13,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i[210460,210473] [2022-07-14 00:19:14,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:19:14,458 INFO L208 MainTranslator]: Completed translation [2022-07-14 00:19:14,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:14 WrapperNode [2022-07-14 00:19:14,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 00:19:14,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 00:19:14,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 00:19:14,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 00:19:14,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:14" (1/1) ... [2022-07-14 00:19:14,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:14" (1/1) ... [2022-07-14 00:19:14,797 INFO L137 Inliner]: procedures = 420, calls = 4065, calls flagged for inlining = 194, calls inlined = 168, statements flattened = 8281 [2022-07-14 00:19:14,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 00:19:14,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 00:19:14,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 00:19:14,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 00:19:14,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:14" (1/1) ... [2022-07-14 00:19:14,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:14" (1/1) ... [2022-07-14 00:19:14,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:14" (1/1) ... [2022-07-14 00:19:14,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:14" (1/1) ... [2022-07-14 00:19:15,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:14" (1/1) ... [2022-07-14 00:19:15,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:14" (1/1) ... [2022-07-14 00:19:15,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:14" (1/1) ... [2022-07-14 00:19:15,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 00:19:15,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 00:19:15,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 00:19:15,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 00:19:15,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:14" (1/1) ... [2022-07-14 00:19:15,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:19:15,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:19:15,234 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) [2022-07-14 00:19:15,254 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 [2022-07-14 00:19:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_ctl_blks [2022-07-14 00:19:15,267 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_ctl_blks [2022-07-14 00:19:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_ch_alloc_skb [2022-07-14 00:19:15,268 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_ch_alloc_skb [2022-07-14 00:19:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_remove_interface [2022-07-14 00:19:15,268 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_remove_interface [2022-07-14 00:19:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_txskb [2022-07-14 00:19:15,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_txskb [2022-07-14 00:19:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-14 00:19:15,268 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-14 00:19:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 00:19:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 00:19:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-07-14 00:19:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-07-14 00:19:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-14 00:19:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-14 00:19:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure get_feat_caps [2022-07-14 00:19:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure get_feat_caps [2022-07-14 00:19:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_probe [2022-07-14 00:19:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_probe [2022-07-14 00:19:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_allocate_ctl_block [2022-07-14 00:19:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_allocate_ctl_block [2022-07-14 00:19:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40_plus [2022-07-14 00:19:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40_plus [2022-07-14 00:19:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 00:19:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 00:19:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_enable_ch_int [2022-07-14 00:19:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_enable_ch_int [2022-07-14 00:19:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sta_remove [2022-07-14 00:19:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sta_remove [2022-07-14 00:19:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_start [2022-07-14 00:19:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_start [2022-07-14 00:19:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 00:19:15,272 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 00:19:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-14 00:19:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_pmc_enter_bmps_state [2022-07-14 00:19:15,272 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_pmc_enter_bmps_state [2022-07-14 00:19:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_ch_free_skbs [2022-07-14 00:19:15,272 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_ch_free_skbs [2022-07-14 00:19:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_configure_filter [2022-07-14 00:19:15,273 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_configure_filter [2022-07-14 00:19:15,273 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_convert_sta_to_v1 [2022-07-14 00:19:15,273 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_convert_sta_to_v1 [2022-07-14 00:19:15,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-14 00:19:15,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 00:19:15,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 00:19:15,274 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 00:19:15,274 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 00:19:15,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 00:19:15,275 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_stop [2022-07-14 00:19:15,275 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_stop [2022-07-14 00:19:15,275 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-14 00:19:15,275 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-14 00:19:15,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-14 00:19:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 00:19:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 00:19:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 00:19:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-14 00:19:15,276 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-14 00:19:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 00:19:15,277 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 00:19:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-14 00:19:15,277 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-14 00:19:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 00:19:15,277 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 00:19:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 00:19:15,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 00:19:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-07-14 00:19:15,278 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-07-14 00:19:15,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 00:19:15,278 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 00:19:15,278 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_sta [2022-07-14 00:19:15,278 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_sta [2022-07-14 00:19:15,278 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2022-07-14 00:19:15,279 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2022-07-14 00:19:15,279 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-07-14 00:19:15,279 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-07-14 00:19:15,279 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_link_st [2022-07-14 00:19:15,279 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_link_st [2022-07-14 00:19:15,279 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-07-14 00:19:15,279 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-07-14 00:19:15,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-07-14 00:19:15,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 00:19:15,280 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-14 00:19:15,280 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-14 00:19:15,280 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-14 00:19:15,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-14 00:19:15,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 00:19:15,281 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-14 00:19:15,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-14 00:19:15,281 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_config [2022-07-14 00:19:15,282 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_config [2022-07-14 00:19:15,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 00:19:15,282 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 00:19:15,282 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_key [2022-07-14 00:19:15,282 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_key [2022-07-14 00:19:15,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 00:19:15,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 00:19:15,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 00:19:15,283 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 00:19:15,283 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 00:19:15,283 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_add_interface [2022-07-14 00:19:15,283 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_add_interface [2022-07-14 00:19:15,283 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_bss [2022-07-14 00:19:15,283 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_bss [2022-07-14 00:19:15,284 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_mem_pools [2022-07-14 00:19:15,284 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_mem_pools [2022-07-14 00:19:15,284 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u32~0~X~~u32~0~TO~C_INT [2022-07-14 00:19:15,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u32~0~X~~u32~0~TO~C_INT [2022-07-14 00:19:15,284 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2022-07-14 00:19:15,285 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2022-07-14 00:19:15,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 00:19:15,287 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_stop [2022-07-14 00:19:15,287 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_stop [2022-07-14 00:19:15,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 00:19:15,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 00:19:15,288 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-14 00:19:15,289 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-14 00:19:15,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 00:19:15,289 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_tx [2022-07-14 00:19:15,289 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_tx [2022-07-14 00:19:15,294 INFO L130 BoogieDeclarations]: Found specification of procedure buff_to_be [2022-07-14 00:19:15,294 INFO L138 BoogieDeclarations]: Found implementation of procedure buff_to_be [2022-07-14 00:19:15,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 00:19:15,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 00:19:15,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 00:19:15,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 00:19:15,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 00:19:15,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 00:19:15,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 00:19:15,295 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_power_params [2022-07-14 00:19:15,295 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_power_params [2022-07-14 00:19:15,295 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-14 00:19:15,295 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-14 00:19:15,295 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sta_add [2022-07-14 00:19:15,295 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sta_add [2022-07-14 00:19:15,295 INFO L130 BoogieDeclarations]: Found specification of procedure get_vif_by_addr [2022-07-14 00:19:15,295 INFO L138 BoogieDeclarations]: Found implementation of procedure get_vif_by_addr [2022-07-14 00:19:15,296 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-14 00:19:15,296 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-14 00:19:15,296 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2022-07-14 00:19:15,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2022-07-14 00:19:15,296 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 00:19:15,296 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 00:19:15,296 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-07-14 00:19:15,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-07-14 00:19:15,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 00:19:15,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 00:19:15,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 00:19:15,297 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 00:19:15,297 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-07-14 00:19:15,297 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-07-14 00:19:15,297 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 00:19:15,297 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 00:19:15,297 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_stakey [2022-07-14 00:19:15,297 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_stakey [2022-07-14 00:19:15,297 INFO L130 BoogieDeclarations]: Found specification of procedure get_sta_index [2022-07-14 00:19:15,297 INFO L138 BoogieDeclarations]: Found implementation of procedure get_sta_index [2022-07-14 00:19:15,298 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_dump [2022-07-14 00:19:15,298 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_dump [2022-07-14 00:19:15,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 00:19:15,298 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 00:19:15,298 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 00:19:15,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 00:19:15,298 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_rsp_status_check [2022-07-14 00:19:15,298 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_rsp_status_check [2022-07-14 00:19:15,298 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_delete_bss [2022-07-14 00:19:15,298 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_delete_bss [2022-07-14 00:19:15,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-14 00:19:15,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-14 00:19:15,299 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40_minus [2022-07-14 00:19:15,299 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40_minus [2022-07-14 00:19:15,299 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_bss_info_changed [2022-07-14 00:19:15,299 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_bss_info_changed [2022-07-14 00:19:15,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 00:19:15,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 00:19:15,299 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_remove [2022-07-14 00:19:15,300 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_remove [2022-07-14 00:19:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 00:19:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-14 00:19:15,300 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-14 00:19:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 00:19:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 00:19:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-14 00:19:15,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-14 00:19:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_fill_skb [2022-07-14 00:19:15,300 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_fill_skb [2022-07-14 00:19:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-14 00:19:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-14 00:19:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-14 00:19:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-14 00:19:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sw_scan_complete [2022-07-14 00:19:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sw_scan_complete [2022-07-14 00:19:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure is_cap_supported [2022-07-14 00:19:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cap_supported [2022-07-14 00:19:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_update_allowed_rates [2022-07-14 00:19:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_update_allowed_rates [2022-07-14 00:19:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-14 00:19:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-14 00:19:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_is_fw_version [2022-07-14 00:19:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_is_fw_version [2022-07-14 00:19:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 00:19:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 00:19:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_read_register [2022-07-14 00:19:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_read_register [2022-07-14 00:19:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_pmc_exit_bmps_state [2022-07-14 00:19:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_pmc_exit_bmps_state [2022-07-14 00:19:15,303 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-14 00:19:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-14 00:19:15,303 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sw_scan_start [2022-07-14 00:19:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sw_scan_start [2022-07-14 00:19:15,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-14 00:19:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-14 00:19:15,303 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 00:19:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 00:19:15,303 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 00:19:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 00:19:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-07-14 00:19:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-07-14 00:19:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_close [2022-07-14 00:19:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_close [2022-07-14 00:19:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-14 00:19:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-14 00:19:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 00:19:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 00:19:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 00:19:15,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 00:19:15,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 00:19:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 00:19:15,305 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_resume [2022-07-14 00:19:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_resume [2022-07-14 00:19:15,305 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_rts_threshold [2022-07-14 00:19:15,306 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_rts_threshold [2022-07-14 00:19:15,306 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_sta_params [2022-07-14 00:19:15,306 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_sta_params [2022-07-14 00:19:15,306 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_ampdu_action [2022-07-14 00:19:15,306 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_ampdu_action [2022-07-14 00:19:15,306 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_init_descs [2022-07-14 00:19:15,307 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_init_descs [2022-07-14 00:19:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-07-14 00:19:15,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-07-14 00:19:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-14 00:19:15,310 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-14 00:19:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-14 00:19:15,310 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-14 00:19:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_write_register [2022-07-14 00:19:15,310 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_write_register [2022-07-14 00:19:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_tx_pdu [2022-07-14 00:19:15,311 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_tx_pdu [2022-07-14 00:19:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_suspend [2022-07-14 00:19:15,311 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_suspend [2022-07-14 00:19:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_add_ba_session [2022-07-14 00:19:15,312 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_add_ba_session [2022-07-14 00:19:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_send_and_wait [2022-07-14 00:19:15,312 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_send_and_wait [2022-07-14 00:19:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_init_tx_bd [2022-07-14 00:19:15,312 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_init_tx_bd [2022-07-14 00:19:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_ctl_block [2022-07-14 00:19:15,312 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_ctl_block [2022-07-14 00:19:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-14 00:19:15,312 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-14 00:19:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-07-14 00:19:15,313 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-07-14 00:19:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_bool_bmps [2022-07-14 00:19:15,313 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_bool_bmps [2022-07-14 00:19:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-14 00:19:15,313 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-14 00:19:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-07-14 00:19:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-14 00:19:15,313 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-14 00:19:16,392 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 00:19:16,396 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 00:19:22,391 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 00:21:41,431 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 00:21:41,454 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 00:21:41,455 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-14 00:21:41,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:21:41 BoogieIcfgContainer [2022-07-14 00:21:41,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 00:21:41,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 00:21:41,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 00:21:41,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 00:21:41,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:19:08" (1/3) ... [2022-07-14 00:21:41,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@208371ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:21:41, skipping insertion in model container [2022-07-14 00:21:41,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:14" (2/3) ... [2022-07-14 00:21:41,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@208371ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:21:41, skipping insertion in model container [2022-07-14 00:21:41,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:21:41" (3/3) ... [2022-07-14 00:21:41,469 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2022-07-14 00:21:41,484 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 00:21:41,485 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 00:21:41,623 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 00:21:41,632 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@62a6c47, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@37cd1445 [2022-07-14 00:21:41,632 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 00:21:41,647 INFO L276 IsEmpty]: Start isEmpty. Operand has 2686 states, 1877 states have (on average 1.3393713372402771) internal successors, (2514), 1902 states have internal predecessors, (2514), 691 states have call successors, (691), 117 states have call predecessors, (691), 116 states have return successors, (685), 685 states have call predecessors, (685), 685 states have call successors, (685) [2022-07-14 00:21:41,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-07-14 00:21:41,675 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:21:41,676 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:21:41,676 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:21:41,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:21:41,681 INFO L85 PathProgramCache]: Analyzing trace with hash -334148442, now seen corresponding path program 1 times [2022-07-14 00:21:41,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:21:41,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1661967153] [2022-07-14 00:21:41,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:21:41,709 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:21:41,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:21:41,739 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) [2022-07-14 00:21:41,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 00:21:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:47,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 3783 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-14 00:21:47,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:21:47,387 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-07-14 00:21:47,387 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:21:47,388 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:21:47,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1661967153] [2022-07-14 00:21:47,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1661967153] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:21:47,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:21:47,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 00:21:47,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069314981] [2022-07-14 00:21:47,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:21:47,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 00:21:47,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:21:47,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 00:21:47,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 00:21:47,472 INFO L87 Difference]: Start difference. First operand has 2686 states, 1877 states have (on average 1.3393713372402771) internal successors, (2514), 1902 states have internal predecessors, (2514), 691 states have call successors, (691), 117 states have call predecessors, (691), 116 states have return successors, (685), 685 states have call predecessors, (685), 685 states have call successors, (685) Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-14 00:21:50,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:21:50,410 INFO L93 Difference]: Finished difference Result 5370 states and 7993 transitions. [2022-07-14 00:21:50,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 00:21:50,413 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 80 [2022-07-14 00:21:50,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:21:50,467 INFO L225 Difference]: With dead ends: 5370 [2022-07-14 00:21:50,467 INFO L226 Difference]: Without dead ends: 2674 [2022-07-14 00:21:50,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:21:50,501 INFO L413 NwaCegarLoop]: 3841 mSDtfsCounter, 2 mSDsluCounter, 7602 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11443 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-14 00:21:50,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11443 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-14 00:21:50,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2022-07-14 00:21:50,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2674. [2022-07-14 00:21:50,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2674 states, 1872 states have (on average 1.3317307692307692) internal successors, (2493), 1890 states have internal predecessors, (2493), 685 states have call successors, (685), 116 states have call predecessors, (685), 116 states have return successors, (721), 684 states have call predecessors, (721), 684 states have call successors, (721) [2022-07-14 00:21:50,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 3899 transitions. [2022-07-14 00:21:50,772 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 3899 transitions. Word has length 80 [2022-07-14 00:21:50,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:21:50,774 INFO L495 AbstractCegarLoop]: Abstraction has 2674 states and 3899 transitions. [2022-07-14 00:21:50,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-14 00:21:50,775 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3899 transitions. [2022-07-14 00:21:50,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-07-14 00:21:50,785 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:21:50,785 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:21:50,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 00:21:51,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:21:51,008 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:21:51,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:21:51,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1024130203, now seen corresponding path program 1 times [2022-07-14 00:21:51,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:21:51,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1572467633] [2022-07-14 00:21:51,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:21:51,018 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:21:51,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:21:51,028 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) [2022-07-14 00:21:51,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 00:21:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:57,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 3816 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 00:21:57,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:21:57,376 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-14 00:21:57,378 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:21:58,111 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-07-14 00:21:58,112 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:21:58,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1572467633] [2022-07-14 00:21:58,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1572467633] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:21:58,112 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 00:21:58,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-14 00:21:58,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554823729] [2022-07-14 00:21:58,113 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 00:21:58,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 00:21:58,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:21:58,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 00:21:58,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 00:21:58,116 INFO L87 Difference]: Start difference. First operand 2674 states and 3899 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-14 00:22:05,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:22:05,693 INFO L93 Difference]: Finished difference Result 5340 states and 7981 transitions. [2022-07-14 00:22:05,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 00:22:05,695 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 83 [2022-07-14 00:22:05,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:22:05,724 INFO L225 Difference]: With dead ends: 5340 [2022-07-14 00:22:05,725 INFO L226 Difference]: Without dead ends: 2685 [2022-07-14 00:22:05,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-07-14 00:22:05,749 INFO L413 NwaCegarLoop]: 3781 mSDtfsCounter, 14 mSDsluCounter, 11221 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 15002 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-07-14 00:22:05,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 15002 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-07-14 00:22:05,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2685 states. [2022-07-14 00:22:05,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2685 to 2683. [2022-07-14 00:22:05,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2683 states, 1880 states have (on average 1.3335106382978723) internal successors, (2507), 1898 states have internal predecessors, (2507), 685 states have call successors, (685), 117 states have call predecessors, (685), 117 states have return successors, (758), 684 states have call predecessors, (758), 684 states have call successors, (758) [2022-07-14 00:22:05,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2683 states to 2683 states and 3950 transitions. [2022-07-14 00:22:05,906 INFO L78 Accepts]: Start accepts. Automaton has 2683 states and 3950 transitions. Word has length 83 [2022-07-14 00:22:05,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:22:05,908 INFO L495 AbstractCegarLoop]: Abstraction has 2683 states and 3950 transitions. [2022-07-14 00:22:05,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-14 00:22:05,908 INFO L276 IsEmpty]: Start isEmpty. Operand 2683 states and 3950 transitions. [2022-07-14 00:22:05,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-07-14 00:22:05,911 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:22:05,912 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:22:06,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-14 00:22:06,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:22:06,136 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:22:06,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:22:06,136 INFO L85 PathProgramCache]: Analyzing trace with hash -393231130, now seen corresponding path program 2 times [2022-07-14 00:22:06,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:22:06,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1009932483] [2022-07-14 00:22:06,143 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 00:22:06,143 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:22:06,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:22:06,144 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) [2022-07-14 00:22:06,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 00:22:10,808 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 00:22:10,808 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 00:22:11,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 3628 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:22:11,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:22:11,417 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-07-14 00:22:11,417 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:22:11,418 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:22:11,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1009932483] [2022-07-14 00:22:11,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1009932483] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:22:11,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:22:11,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:22:11,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586527026] [2022-07-14 00:22:11,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:22:11,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:22:11,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:22:11,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:22:11,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:22:11,419 INFO L87 Difference]: Start difference. First operand 2683 states and 3950 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-07-14 00:22:13,845 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:22:14,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:22:14,211 INFO L93 Difference]: Finished difference Result 7968 states and 11741 transitions. [2022-07-14 00:22:14,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:22:14,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 88 [2022-07-14 00:22:14,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:22:14,264 INFO L225 Difference]: With dead ends: 7968 [2022-07-14 00:22:14,265 INFO L226 Difference]: Without dead ends: 5309 [2022-07-14 00:22:14,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:22:14,292 INFO L413 NwaCegarLoop]: 4544 mSDtfsCounter, 3781 mSDsluCounter, 3840 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3781 SdHoareTripleChecker+Valid, 8384 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-14 00:22:14,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3781 Valid, 8384 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-07-14 00:22:14,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5309 states. [2022-07-14 00:22:14,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5309 to 5307. [2022-07-14 00:22:14,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5307 states, 3722 states have (on average 1.335840945728103) internal successors, (4972), 3757 states have internal predecessors, (4972), 1351 states have call successors, (1351), 233 states have call predecessors, (1351), 233 states have return successors, (1461), 1350 states have call predecessors, (1461), 1350 states have call successors, (1461) [2022-07-14 00:22:14,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5307 states to 5307 states and 7784 transitions. [2022-07-14 00:22:14,591 INFO L78 Accepts]: Start accepts. Automaton has 5307 states and 7784 transitions. Word has length 88 [2022-07-14 00:22:14,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:22:14,592 INFO L495 AbstractCegarLoop]: Abstraction has 5307 states and 7784 transitions. [2022-07-14 00:22:14,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-07-14 00:22:14,593 INFO L276 IsEmpty]: Start isEmpty. Operand 5307 states and 7784 transitions. [2022-07-14 00:22:14,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-07-14 00:22:14,599 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:22:14,599 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:22:14,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 00:22:14,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:22:14,804 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:22:14,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:22:14,805 INFO L85 PathProgramCache]: Analyzing trace with hash -435486850, now seen corresponding path program 1 times [2022-07-14 00:22:14,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:22:14,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [391429202] [2022-07-14 00:22:14,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:22:14,809 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:22:14,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:22:14,817 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) [2022-07-14 00:22:14,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 00:22:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:20,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 3905 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 00:22:20,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:22:21,156 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 64 proven. 10 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-07-14 00:22:21,156 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:22:22,891 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-07-14 00:22:22,891 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:22:22,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [391429202] [2022-07-14 00:22:22,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [391429202] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:22:22,891 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 00:22:22,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-07-14 00:22:22,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948795163] [2022-07-14 00:22:22,892 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 00:22:22,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-14 00:22:22,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:22:22,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-14 00:22:22,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-07-14 00:22:22,893 INFO L87 Difference]: Start difference. First operand 5307 states and 7784 transitions. Second operand has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-14 00:22:47,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:22:47,699 INFO L93 Difference]: Finished difference Result 10641 states and 16324 transitions. [2022-07-14 00:22:47,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-07-14 00:22:47,700 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 98 [2022-07-14 00:22:47,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:22:47,750 INFO L225 Difference]: With dead ends: 10641 [2022-07-14 00:22:47,751 INFO L226 Difference]: Without dead ends: 5351 [2022-07-14 00:22:47,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=204, Invalid=446, Unknown=0, NotChecked=0, Total=650 [2022-07-14 00:22:47,817 INFO L413 NwaCegarLoop]: 3784 mSDtfsCounter, 41 mSDsluCounter, 22459 mSDsCounter, 0 mSdLazyCounter, 1962 mSolverCounterSat, 280 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 26243 SdHoareTripleChecker+Invalid, 2242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 280 IncrementalHoareTripleChecker+Valid, 1962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2022-07-14 00:22:47,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 26243 Invalid, 2242 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [280 Valid, 1962 Invalid, 0 Unknown, 0 Unchecked, 22.3s Time] [2022-07-14 00:22:47,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5351 states. [2022-07-14 00:22:48,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5351 to 5323. [2022-07-14 00:22:48,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5323 states, 3736 states have (on average 1.3369914346895075) internal successors, (4995), 3772 states have internal predecessors, (4995), 1351 states have call successors, (1351), 234 states have call predecessors, (1351), 235 states have return successors, (1426), 1350 states have call predecessors, (1426), 1350 states have call successors, (1426) [2022-07-14 00:22:48,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5323 states to 5323 states and 7772 transitions. [2022-07-14 00:22:48,287 INFO L78 Accepts]: Start accepts. Automaton has 5323 states and 7772 transitions. Word has length 98 [2022-07-14 00:22:48,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:22:48,288 INFO L495 AbstractCegarLoop]: Abstraction has 5323 states and 7772 transitions. [2022-07-14 00:22:48,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-14 00:22:48,289 INFO L276 IsEmpty]: Start isEmpty. Operand 5323 states and 7772 transitions. [2022-07-14 00:22:48,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-07-14 00:22:48,299 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:22:48,300 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:22:48,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 00:22:48,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:22:48,520 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:22:48,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:22:48,520 INFO L85 PathProgramCache]: Analyzing trace with hash 535438014, now seen corresponding path program 2 times [2022-07-14 00:22:48,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:22:48,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [761134411] [2022-07-14 00:22:48,528 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 00:22:48,528 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:22:48,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:22:48,530 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:22:48,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 00:22:53,189 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 00:22:53,189 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 00:22:53,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 3577 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-14 00:22:53,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:22:53,733 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-07-14 00:22:53,734 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:22:53,734 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:22:53,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [761134411] [2022-07-14 00:22:53,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [761134411] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:22:53,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:22:53,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 00:22:53,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456189178] [2022-07-14 00:22:53,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:22:53,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 00:22:53,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:22:53,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 00:22:53,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 00:22:53,736 INFO L87 Difference]: Start difference. First operand 5323 states and 7772 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-07-14 00:22:55,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:22:55,555 INFO L93 Difference]: Finished difference Result 10615 states and 15496 transitions. [2022-07-14 00:22:55,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 00:22:55,556 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 102 [2022-07-14 00:22:55,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:22:55,597 INFO L225 Difference]: With dead ends: 10615 [2022-07-14 00:22:55,597 INFO L226 Difference]: Without dead ends: 5322 [2022-07-14 00:22:55,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:22:55,624 INFO L413 NwaCegarLoop]: 4193 mSDtfsCounter, 4213 mSDsluCounter, 3884 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4213 SdHoareTripleChecker+Valid, 8077 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-14 00:22:55,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4213 Valid, 8077 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-14 00:22:55,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5322 states. [2022-07-14 00:22:55,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5322 to 5322. [2022-07-14 00:22:55,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5322 states, 3735 states have (on average 1.3362784471218205) internal successors, (4991), 3771 states have internal predecessors, (4991), 1351 states have call successors, (1351), 234 states have call predecessors, (1351), 235 states have return successors, (1426), 1350 states have call predecessors, (1426), 1350 states have call successors, (1426) [2022-07-14 00:22:55,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5322 states to 5322 states and 7768 transitions. [2022-07-14 00:22:55,925 INFO L78 Accepts]: Start accepts. Automaton has 5322 states and 7768 transitions. Word has length 102 [2022-07-14 00:22:55,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:22:55,926 INFO L495 AbstractCegarLoop]: Abstraction has 5322 states and 7768 transitions. [2022-07-14 00:22:55,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-07-14 00:22:55,926 INFO L276 IsEmpty]: Start isEmpty. Operand 5322 states and 7768 transitions. [2022-07-14 00:22:55,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-07-14 00:22:55,943 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:22:55,943 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 12, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:22:56,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 00:22:56,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:22:56,160 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:22:56,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:22:56,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1111003360, now seen corresponding path program 1 times [2022-07-14 00:22:56,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:22:56,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1632831483] [2022-07-14 00:22:56,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:22:56,167 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:22:56,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:22:56,169 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:22:56,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 00:23:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:03,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 4112 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 00:23:03,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:23:03,574 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 295 proven. 3 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-07-14 00:23:03,575 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:23:04,554 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 29 proven. 14 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-07-14 00:23:04,554 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:23:04,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1632831483] [2022-07-14 00:23:04,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1632831483] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:23:04,554 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 00:23:04,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-07-14 00:23:04,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874705331] [2022-07-14 00:23:04,555 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 00:23:04,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-14 00:23:04,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:23:04,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-14 00:23:04,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-14 00:23:04,556 INFO L87 Difference]: Start difference. First operand 5322 states and 7768 transitions. Second operand has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)