./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.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 039eab12e50993f4fa37adc6de2fecb3561458fa83d70d097739d1ded7d4af34 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 02:04:57,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 02:04:57,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 02:04:57,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 02:04:57,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 02:04:57,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 02:04:57,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 02:04:57,577 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 02:04:57,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 02:04:57,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 02:04:57,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 02:04:57,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 02:04:57,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 02:04:57,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 02:04:57,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 02:04:57,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 02:04:57,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 02:04:57,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 02:04:57,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 02:04:57,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 02:04:57,619 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 02:04:57,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 02:04:57,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 02:04:57,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 02:04:57,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 02:04:57,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 02:04:57,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 02:04:57,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 02:04:57,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 02:04:57,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 02:04:57,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 02:04:57,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 02:04:57,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 02:04:57,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 02:04:57,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 02:04:57,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 02:04:57,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 02:04:57,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 02:04:57,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 02:04:57,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 02:04:57,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 02:04:57,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 02:04:57,636 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 02:04:57,660 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 02:04:57,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 02:04:57,661 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 02:04:57,661 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 02:04:57,662 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 02:04:57,662 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 02:04:57,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 02:04:57,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 02:04:57,663 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 02:04:57,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 02:04:57,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 02:04:57,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 02:04:57,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 02:04:57,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 02:04:57,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 02:04:57,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 02:04:57,665 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 02:04:57,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 02:04:57,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 02:04:57,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 02:04:57,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 02:04:57,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:04:57,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 02:04:57,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 02:04:57,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 02:04:57,667 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 02:04:57,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 02:04:57,667 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 02:04:57,668 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 02:04:57,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 02:04:57,668 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 039eab12e50993f4fa37adc6de2fecb3561458fa83d70d097739d1ded7d4af34 [2022-07-14 02:04:57,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 02:04:57,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 02:04:57,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 02:04:57,916 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 02:04:57,917 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 02:04:57,918 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2022-07-14 02:04:57,982 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16eab2165/6ebde21c2bda4aafa95e26e66b1f54c4/FLAGfb015370c [2022-07-14 02:04:58,732 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 02:04:58,733 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2022-07-14 02:04:58,789 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16eab2165/6ebde21c2bda4aafa95e26e66b1f54c4/FLAGfb015370c [2022-07-14 02:04:59,291 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16eab2165/6ebde21c2bda4aafa95e26e66b1f54c4 [2022-07-14 02:04:59,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 02:04:59,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 02:04:59,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 02:04:59,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 02:04:59,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 02:04:59,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:04:59" (1/1) ... [2022-07-14 02:04:59,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3267a90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:04:59, skipping insertion in model container [2022-07-14 02:04:59,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:04:59" (1/1) ... [2022-07-14 02:04:59,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 02:04:59,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:05:03,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i[485718,485731] [2022-07-14 02:05:03,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:05:04,048 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 02:05:04,225 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:2268) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:310) 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 02:05:04,229 INFO L158 Benchmark]: Toolchain (without parser) took 4933.34ms. Allocated memory was 96.5MB in the beginning and 186.6MB in the end (delta: 90.2MB). Free memory was 61.1MB in the beginning and 98.2MB in the end (delta: -37.0MB). Peak memory consumption was 85.1MB. Max. memory is 16.1GB. [2022-07-14 02:05:04,230 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 79.7MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 02:05:04,231 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4931.60ms. Allocated memory was 96.5MB in the beginning and 186.6MB in the end (delta: 90.2MB). Free memory was 61.1MB in the beginning and 98.2MB in the end (delta: -37.0MB). Peak memory consumption was 85.1MB. Max. memory is 16.1GB. [2022-07-14 02:05:04,233 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 79.7MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4931.60ms. Allocated memory was 96.5MB in the beginning and 186.6MB in the end (delta: 90.2MB). Free memory was 61.1MB in the beginning and 98.2MB in the end (delta: -37.0MB). Peak memory consumption was 85.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.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 039eab12e50993f4fa37adc6de2fecb3561458fa83d70d097739d1ded7d4af34 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 02:05:05,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 02:05:05,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 02:05:05,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 02:05:05,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 02:05:05,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 02:05:05,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 02:05:05,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 02:05:05,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 02:05:05,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 02:05:05,855 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 02:05:05,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 02:05:05,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 02:05:05,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 02:05:05,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 02:05:05,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 02:05:05,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 02:05:05,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 02:05:05,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 02:05:05,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 02:05:05,872 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 02:05:05,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 02:05:05,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 02:05:05,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 02:05:05,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 02:05:05,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 02:05:05,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 02:05:05,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 02:05:05,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 02:05:05,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 02:05:05,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 02:05:05,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 02:05:05,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 02:05:05,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 02:05:05,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 02:05:05,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 02:05:05,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 02:05:05,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 02:05:05,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 02:05:05,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 02:05:05,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 02:05:05,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 02:05:05,894 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 02:05:05,918 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 02:05:05,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 02:05:05,919 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 02:05:05,919 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 02:05:05,919 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 02:05:05,920 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 02:05:05,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 02:05:05,920 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 02:05:05,920 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 02:05:05,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 02:05:05,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 02:05:05,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 02:05:05,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 02:05:05,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 02:05:05,921 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 02:05:05,922 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 02:05:05,922 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 02:05:05,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 02:05:05,922 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 02:05:05,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 02:05:05,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 02:05:05,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 02:05:05,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 02:05:05,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:05:05,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 02:05:05,923 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 02:05:05,923 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 02:05:05,923 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 02:05:05,924 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 02:05:05,924 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 02:05:05,924 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 02:05:05,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 02:05:05,924 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 02:05:05,924 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 039eab12e50993f4fa37adc6de2fecb3561458fa83d70d097739d1ded7d4af34 [2022-07-14 02:05:06,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 02:05:06,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 02:05:06,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 02:05:06,224 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 02:05:06,224 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 02:05:06,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2022-07-14 02:05:06,274 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38e52d692/2f2a90a14a7a49f7aa3bf4f8b364a5df/FLAGd87baf9a7 [2022-07-14 02:05:07,097 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 02:05:07,098 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2022-07-14 02:05:07,141 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38e52d692/2f2a90a14a7a49f7aa3bf4f8b364a5df/FLAGd87baf9a7 [2022-07-14 02:05:07,595 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38e52d692/2f2a90a14a7a49f7aa3bf4f8b364a5df [2022-07-14 02:05:07,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 02:05:07,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 02:05:07,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 02:05:07,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 02:05:07,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 02:05:07,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:05:07" (1/1) ... [2022-07-14 02:05:07,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44a98858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:05:07, skipping insertion in model container [2022-07-14 02:05:07,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:05:07" (1/1) ... [2022-07-14 02:05:07,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 02:05:07,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:05:11,256 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i[485718,485731] [2022-07-14 02:05:11,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:05:11,419 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 02:05:11,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:05:11,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i[485718,485731] [2022-07-14 02:05:11,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:05:11,819 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 02:05:12,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i[485718,485731] [2022-07-14 02:05:12,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:05:12,418 INFO L208 MainTranslator]: Completed translation [2022-07-14 02:05:12,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:05:12 WrapperNode [2022-07-14 02:05:12,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 02:05:12,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 02:05:12,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 02:05:12,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 02:05:12,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:05:12" (1/1) ... [2022-07-14 02:05:12,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:05:12" (1/1) ... [2022-07-14 02:05:12,809 INFO L137 Inliner]: procedures = 541, calls = 6245, calls flagged for inlining = 183, calls inlined = 161, statements flattened = 7380 [2022-07-14 02:05:12,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 02:05:12,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 02:05:12,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 02:05:12,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 02:05:12,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:05:12" (1/1) ... [2022-07-14 02:05:12,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:05:12" (1/1) ... [2022-07-14 02:05:12,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:05:12" (1/1) ... [2022-07-14 02:05:12,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:05:12" (1/1) ... [2022-07-14 02:05:13,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:05:12" (1/1) ... [2022-07-14 02:05:13,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:05:12" (1/1) ... [2022-07-14 02:05:13,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:05:12" (1/1) ... [2022-07-14 02:05:13,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 02:05:13,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 02:05:13,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 02:05:13,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 02:05:13,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:05:12" (1/1) ... [2022-07-14 02:05:13,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:05:13,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 02:05:13,136 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 02:05:13,173 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 02:05:13,187 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2022-07-14 02:05:13,187 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2022-07-14 02:05:13,187 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_eth_tx_timeout [2022-07-14 02:05:13,187 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_eth_tx_timeout [2022-07-14 02:05:13,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_5 [2022-07-14 02:05:13,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_5 [2022-07-14 02:05:13,188 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-14 02:05:13,188 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 02:05:13,188 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 02:05:13,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 02:05:13,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 02:05:13,188 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_trigger [2022-07-14 02:05:13,188 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_trigger [2022-07-14 02:05:13,188 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 02:05:13,189 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 02:05:13,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-14 02:05:13,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-14 02:05:13,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 02:05:13,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 02:05:13,189 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_mib_mode_helper [2022-07-14 02:05:13,189 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_mib_mode_helper [2022-07-14 02:05:13,189 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-14 02:05:13,190 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-14 02:05:13,190 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 02:05:13,190 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 02:05:13,190 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-14 02:05:13,190 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-14 02:05:13,190 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_request [2022-07-14 02:05:13,190 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_request [2022-07-14 02:05:13,190 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2022-07-14 02:05:13,191 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2022-07-14 02:05:13,191 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_get_state [2022-07-14 02:05:13,191 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_get_state [2022-07-14 02:05:13,191 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 02:05:13,191 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 02:05:13,192 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 02:05:13,192 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 02:05:13,192 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 02:05:13,192 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 02:05:13,192 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_release [2022-07-14 02:05:13,192 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_release [2022-07-14 02:05:13,192 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 02:05:13,193 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 02:05:13,193 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-14 02:05:13,193 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-14 02:05:13,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 02:05:13,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-14 02:05:13,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 02:05:13,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 02:05:13,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 02:05:13,195 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-14 02:05:13,195 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-14 02:05:13,195 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 02:05:13,195 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 02:05:13,195 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-14 02:05:13,196 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-14 02:05:13,196 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set [2022-07-14 02:05:13,196 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set [2022-07-14 02:05:13,196 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 02:05:13,196 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 02:05:13,196 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 02:05:13,196 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 02:05:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_reset [2022-07-14 02:05:13,197 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_reset [2022-07-14 02:05:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 02:05:13,197 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 02:05:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-07-14 02:05:13,197 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-07-14 02:05:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 02:05:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 02:05:13,198 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 02:05:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 02:05:13,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 02:05:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 02:05:13,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 02:05:13,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 02:05:13,199 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_set_mac_address [2022-07-14 02:05:13,199 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_set_mac_address [2022-07-14 02:05:13,199 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_resume [2022-07-14 02:05:13,199 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_resume [2022-07-14 02:05:13,199 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 02:05:13,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 02:05:13,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-14 02:05:13,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-14 02:05:13,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 02:05:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-07-14 02:05:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 02:05:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 02:05:13,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 02:05:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 02:05:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 02:05:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 02:05:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 02:05:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 02:05:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-14 02:05:13,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-14 02:05:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-14 02:05:13,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-14 02:05:13,203 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-14 02:05:13,203 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-14 02:05:13,203 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-14 02:05:13,203 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-14 02:05:13,203 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-07-14 02:05:13,203 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-07-14 02:05:13,203 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-14 02:05:13,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-14 02:05:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-14 02:05:13,204 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-14 02:05:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 02:05:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2022-07-14 02:05:13,205 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2022-07-14 02:05:13,205 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-07-14 02:05:13,207 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-07-14 02:05:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-14 02:05:13,207 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-14 02:05:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 02:05:13,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 02:05:13,209 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-14 02:05:13,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-14 02:05:13,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 02:05:13,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-14 02:05:13,214 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-14 02:05:13,214 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_clear_mac [2022-07-14 02:05:13,214 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_clear_mac [2022-07-14 02:05:13,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 02:05:13,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 02:05:13,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 02:05:13,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 02:05:13,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 02:05:13,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 02:05:13,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 02:05:13,215 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-14 02:05:13,215 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-14 02:05:13,215 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 02:05:13,215 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 02:05:13,215 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-14 02:05:13,215 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-14 02:05:13,215 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_bring_down [2022-07-14 02:05:13,216 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_bring_down [2022-07-14 02:05:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-07-14 02:05:13,216 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-07-14 02:05:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 02:05:13,216 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 02:05:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 02:05:13,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 02:05:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-14 02:05:13,216 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-14 02:05:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 02:05:13,217 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 02:05:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 02:05:13,217 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 02:05:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 02:05:13,217 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 02:05:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-14 02:05:13,217 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-14 02:05:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-14 02:05:13,217 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-14 02:05:13,218 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-14 02:05:13,218 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-14 02:05:13,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 02:05:13,218 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 02:05:13,218 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 02:05:13,218 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_set_state [2022-07-14 02:05:13,218 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_set_state [2022-07-14 02:05:13,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 02:05:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-14 02:05:13,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-14 02:05:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-07-14 02:05:13,219 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-07-14 02:05:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 02:05:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-07-14 02:05:13,220 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-07-14 02:05:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 02:05:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 02:05:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 02:05:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 02:05:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-07-14 02:05:13,220 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-07-14 02:05:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-14 02:05:13,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-14 02:05:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-14 02:05:13,221 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-14 02:05:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-14 02:05:13,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-14 02:05:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-14 02:05:13,221 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-14 02:05:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 02:05:13,222 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 02:05:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_remove [2022-07-14 02:05:13,222 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_remove [2022-07-14 02:05:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_w32_flush [2022-07-14 02:05:13,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_w32_flush [2022-07-14 02:05:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-14 02:05:13,222 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-14 02:05:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-14 02:05:13,222 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-14 02:05:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-14 02:05:13,223 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-14 02:05:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit_list [2022-07-14 02:05:13,223 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit_list [2022-07-14 02:05:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-14 02:05:13,223 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-14 02:05:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single___1 [2022-07-14 02:05:13,223 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single___1 [2022-07-14 02:05:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 02:05:13,224 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 02:05:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgmt_rx_fill [2022-07-14 02:05:13,224 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgmt_rx_fill [2022-07-14 02:05:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_transaction [2022-07-14 02:05:13,224 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_transaction [2022-07-14 02:05:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 02:05:13,224 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 02:05:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure channel_of_freq [2022-07-14 02:05:13,224 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_of_freq [2022-07-14 02:05:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-14 02:05:13,225 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-14 02:05:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 02:05:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 02:05:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 02:05:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 02:05:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-14 02:05:13,226 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-14 02:05:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 02:05:13,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 02:05:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_free_memory [2022-07-14 02:05:13,226 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_free_memory [2022-07-14 02:05:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit [2022-07-14 02:05:13,226 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit [2022-07-14 02:05:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-14 02:05:13,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-14 02:05:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-14 02:05:13,227 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-14 02:05:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-14 02:05:13,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-14 02:05:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32s [2022-07-14 02:05:13,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32s [2022-07-14 02:05:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-07-14 02:05:13,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-07-14 02:05:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-14 02:05:13,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-14 02:05:13,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_5 [2022-07-14 02:05:13,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_5 [2022-07-14 02:05:13,231 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-14 02:05:13,231 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-14 02:05:13,231 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_in_queue [2022-07-14 02:05:13,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_in_queue [2022-07-14 02:05:13,232 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single___0 [2022-07-14 02:05:13,232 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single___0 [2022-07-14 02:05:13,233 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-14 02:05:13,233 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-14 02:05:13,233 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-14 02:05:13,233 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-14 02:05:13,233 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-14 02:05:13,233 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-14 02:05:13,233 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_disable_interrupts [2022-07-14 02:05:13,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_disable_interrupts [2022-07-14 02:05:14,037 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 02:05:14,040 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 02:05:17,168 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 02:06:13,933 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 02:06:13,949 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 02:06:13,949 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 02:06:13,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:06:13 BoogieIcfgContainer [2022-07-14 02:06:13,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 02:06:13,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 02:06:13,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 02:06:13,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 02:06:13,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 02:05:07" (1/3) ... [2022-07-14 02:06:13,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bfa6c03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:06:13, skipping insertion in model container [2022-07-14 02:06:13,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:05:12" (2/3) ... [2022-07-14 02:06:13,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bfa6c03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:06:13, skipping insertion in model container [2022-07-14 02:06:13,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:06:13" (3/3) ... [2022-07-14 02:06:13,959 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2022-07-14 02:06:13,970 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 02:06:13,970 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 02:06:14,043 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 02:06:14,052 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@7f400876, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@36ce752c [2022-07-14 02:06:14,052 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 02:06:14,062 INFO L276 IsEmpty]: Start isEmpty. Operand has 1891 states, 1320 states have (on average 1.3106060606060606) internal successors, (1730), 1350 states have internal predecessors, (1730), 459 states have call successors, (459), 111 states have call predecessors, (459), 110 states have return successors, (451), 448 states have call predecessors, (451), 451 states have call successors, (451) [2022-07-14 02:06:14,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-14 02:06:14,091 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:06:14,092 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:06:14,093 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:06:14,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:06:14,098 INFO L85 PathProgramCache]: Analyzing trace with hash -363408964, now seen corresponding path program 1 times [2022-07-14 02:06:14,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:06:14,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [879653508] [2022-07-14 02:06:14,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:06:14,120 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:06:14,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:06:14,124 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 02:06:14,135 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 02:06:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:06:22,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 5404 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-14 02:06:22,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:06:22,319 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-07-14 02:06:22,320 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:06:22,320 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:06:22,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [879653508] [2022-07-14 02:06:22,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [879653508] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:06:22,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:06:22,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 02:06:22,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705501317] [2022-07-14 02:06:22,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:06:22,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-14 02:06:22,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:06:22,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-14 02:06:22,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-14 02:06:22,354 INFO L87 Difference]: Start difference. First operand has 1891 states, 1320 states have (on average 1.3106060606060606) internal successors, (1730), 1350 states have internal predecessors, (1730), 459 states have call successors, (459), 111 states have call predecessors, (459), 110 states have return successors, (451), 448 states have call predecessors, (451), 451 states have call successors, (451) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-14 02:06:22,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:06:22,491 INFO L93 Difference]: Finished difference Result 3777 states and 5358 transitions. [2022-07-14 02:06:22,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-14 02:06:22,493 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 119 [2022-07-14 02:06:22,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:06:22,517 INFO L225 Difference]: With dead ends: 3777 [2022-07-14 02:06:22,517 INFO L226 Difference]: Without dead ends: 1843 [2022-07-14 02:06:22,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-14 02:06:22,538 INFO L413 NwaCegarLoop]: 2634 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2634 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 02:06:22,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2634 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 02:06:22,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2022-07-14 02:06:22,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1843. [2022-07-14 02:06:22,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1282 states have (on average 1.2870514820592824) internal successors, (1650), 1302 states have internal predecessors, (1650), 451 states have call successors, (451), 110 states have call predecessors, (451), 109 states have return successors, (450), 447 states have call predecessors, (450), 450 states have call successors, (450) [2022-07-14 02:06:22,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2551 transitions. [2022-07-14 02:06:22,687 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2551 transitions. Word has length 119 [2022-07-14 02:06:22,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:06:22,688 INFO L495 AbstractCegarLoop]: Abstraction has 1843 states and 2551 transitions. [2022-07-14 02:06:22,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-14 02:06:22,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2551 transitions. [2022-07-14 02:06:22,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-14 02:06:22,694 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:06:22,694 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:06:22,827 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 02:06:22,915 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 02:06:22,915 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:06:22,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:06:22,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1015622410, now seen corresponding path program 1 times [2022-07-14 02:06:22,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:06:22,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [753457825] [2022-07-14 02:06:22,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:06:22,923 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:06:22,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:06:22,926 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 02:06:22,935 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 02:06:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:06:31,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 5404 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 02:06:31,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:06:31,335 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-07-14 02:06:31,336 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:06:31,336 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:06:31,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [753457825] [2022-07-14 02:06:31,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [753457825] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:06:31,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:06:31,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:06:31,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882931937] [2022-07-14 02:06:31,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:06:31,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:06:31,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:06:31,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:06:31,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:06:31,338 INFO L87 Difference]: Start difference. First operand 1843 states and 2551 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-14 02:06:31,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:06:31,826 INFO L93 Difference]: Finished difference Result 3686 states and 5107 transitions. [2022-07-14 02:06:31,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 02:06:31,827 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 119 [2022-07-14 02:06:31,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:06:31,837 INFO L225 Difference]: With dead ends: 3686 [2022-07-14 02:06:31,837 INFO L226 Difference]: Without dead ends: 1846 [2022-07-14 02:06:31,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-14 02:06:31,847 INFO L413 NwaCegarLoop]: 2545 mSDtfsCounter, 6 mSDsluCounter, 10162 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 12707 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-14 02:06:31,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 12707 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-14 02:06:31,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2022-07-14 02:06:31,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1846. [2022-07-14 02:06:31,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1846 states, 1284 states have (on average 1.2873831775700935) internal successors, (1653), 1305 states have internal predecessors, (1653), 451 states have call successors, (451), 110 states have call predecessors, (451), 110 states have return successors, (451), 447 states have call predecessors, (451), 450 states have call successors, (451) [2022-07-14 02:06:31,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1846 states to 1846 states and 2555 transitions. [2022-07-14 02:06:31,917 INFO L78 Accepts]: Start accepts. Automaton has 1846 states and 2555 transitions. Word has length 119 [2022-07-14 02:06:31,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:06:31,918 INFO L495 AbstractCegarLoop]: Abstraction has 1846 states and 2555 transitions. [2022-07-14 02:06:31,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-14 02:06:31,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 2555 transitions. [2022-07-14 02:06:31,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-14 02:06:31,927 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:06:31,927 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:06:32,090 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 02:06:32,147 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 02:06:32,147 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:06:32,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:06:32,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1360405180, now seen corresponding path program 1 times [2022-07-14 02:06:32,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:06:32,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1292167420] [2022-07-14 02:06:32,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:06:32,169 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:06:32,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:06:32,171 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 02:06:32,211 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 02:06:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:06:40,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 5426 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 02:06:40,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:06:41,081 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-07-14 02:06:41,089 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 02:06:42,141 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-07-14 02:06:42,142 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:06:42,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1292167420] [2022-07-14 02:06:42,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1292167420] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 02:06:42,142 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 02:06:42,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-14 02:06:42,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948036815] [2022-07-14 02:06:42,142 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 02:06:42,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-14 02:06:42,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:06:42,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-14 02:06:42,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-14 02:06:42,145 INFO L87 Difference]: Start difference. First operand 1846 states and 2555 transitions. Second operand has 11 states, 9 states have (on average 10.222222222222221) internal successors, (92), 11 states have internal predecessors, (92), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-14 02:06:43,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:06:43,171 INFO L93 Difference]: Finished difference Result 3692 states and 5115 transitions. [2022-07-14 02:06:43,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-14 02:06:43,173 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 10.222222222222221) internal successors, (92), 11 states have internal predecessors, (92), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 121 [2022-07-14 02:06:43,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:06:43,185 INFO L225 Difference]: With dead ends: 3692 [2022-07-14 02:06:43,185 INFO L226 Difference]: Without dead ends: 1849 [2022-07-14 02:06:43,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-07-14 02:06:43,196 INFO L413 NwaCegarLoop]: 2546 mSDtfsCounter, 15 mSDsluCounter, 15243 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 17789 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-14 02:06:43,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 17789 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-14 02:06:43,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1849 states. [2022-07-14 02:06:43,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1849 to 1847. [2022-07-14 02:06:43,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1847 states, 1285 states have (on average 1.2879377431906616) internal successors, (1655), 1306 states have internal predecessors, (1655), 451 states have call successors, (451), 110 states have call predecessors, (451), 110 states have return successors, (451), 447 states have call predecessors, (451), 450 states have call successors, (451) [2022-07-14 02:06:43,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1847 states and 2557 transitions. [2022-07-14 02:06:43,264 INFO L78 Accepts]: Start accepts. Automaton has 1847 states and 2557 transitions. Word has length 121 [2022-07-14 02:06:43,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:06:43,264 INFO L495 AbstractCegarLoop]: Abstraction has 1847 states and 2557 transitions. [2022-07-14 02:06:43,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 10.222222222222221) internal successors, (92), 11 states have internal predecessors, (92), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-14 02:06:43,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2557 transitions. [2022-07-14 02:06:43,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-14 02:06:43,268 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:06:43,268 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:06:43,468 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forcibly destroying the process [2022-07-14 02:06:43,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 137 [2022-07-14 02:06:43,535 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 02:06:43,536 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:06:43,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:06:43,536 INFO L85 PathProgramCache]: Analyzing trace with hash -648388810, now seen corresponding path program 2 times [2022-07-14 02:06:43,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:06:43,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [704613008] [2022-07-14 02:06:43,549 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 02:06:43,550 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:06:43,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:06:43,552 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 02:06:43,553 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 02:06:52,263 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 02:06:52,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 02:06:52,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 5225 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 02:06:52,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:06:52,891 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-07-14 02:06:52,891 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:06:52,891 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:06:52,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [704613008] [2022-07-14 02:06:52,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [704613008] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:06:52,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:06:52,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:06:52,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859748143] [2022-07-14 02:06:52,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:06:52,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:06:52,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:06:52,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:06:52,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:06:52,893 INFO L87 Difference]: Start difference. First operand 1847 states and 2557 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-07-14 02:06:53,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:06:53,985 INFO L93 Difference]: Finished difference Result 5184 states and 7427 transitions. [2022-07-14 02:06:53,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 02:06:53,986 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 123 [2022-07-14 02:06:53,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:06:54,014 INFO L225 Difference]: With dead ends: 5184 [2022-07-14 02:06:54,014 INFO L226 Difference]: Without dead ends: 3347 [2022-07-14 02:06:54,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:06:54,029 INFO L413 NwaCegarLoop]: 3992 mSDtfsCounter, 2678 mSDsluCounter, 10187 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 705 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2819 SdHoareTripleChecker+Valid, 14179 SdHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 705 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-14 02:06:54,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2819 Valid, 14179 Invalid, 721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [705 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-14 02:06:54,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3347 states. [2022-07-14 02:06:54,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3347 to 1850. [2022-07-14 02:06:54,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1850 states, 1288 states have (on average 1.2872670807453417) internal successors, (1658), 1309 states have internal predecessors, (1658), 451 states have call successors, (451), 110 states have call predecessors, (451), 110 states have return successors, (451), 447 states have call predecessors, (451), 450 states have call successors, (451) [2022-07-14 02:06:54,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1850 states and 2560 transitions. [2022-07-14 02:06:54,145 INFO L78 Accepts]: Start accepts. Automaton has 1850 states and 2560 transitions. Word has length 123 [2022-07-14 02:06:54,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:06:54,147 INFO L495 AbstractCegarLoop]: Abstraction has 1850 states and 2560 transitions. [2022-07-14 02:06:54,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-07-14 02:06:54,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 2560 transitions. [2022-07-14 02:06:54,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-14 02:06:54,152 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:06:54,153 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:06:54,325 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 02:06:54,371 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 02:06:54,371 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:06:54,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:06:54,372 INFO L85 PathProgramCache]: Analyzing trace with hash 522914390, now seen corresponding path program 1 times [2022-07-14 02:06:54,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:06:54,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2122002483] [2022-07-14 02:06:54,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:06:54,379 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:06:54,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:06:54,381 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 02:06:54,433 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 02:07:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:07:03,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 5464 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 02:07:03,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:07:03,452 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-07-14 02:07:03,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 02:07:04,806 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-07-14 02:07:04,806 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:07:04,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2122002483] [2022-07-14 02:07:04,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2122002483] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 02:07:04,806 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 02:07:04,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-14 02:07:04,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372813150] [2022-07-14 02:07:04,806 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 02:07:04,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-14 02:07:04,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:07:04,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-14 02:07:04,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-14 02:07:04,808 INFO L87 Difference]: Start difference. First operand 1850 states and 2560 transitions. Second operand has 13 states, 11 states have (on average 8.818181818181818) internal successors, (97), 13 states have internal predecessors, (97), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-14 02:07:06,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:07:06,012 INFO L93 Difference]: Finished difference Result 3702 states and 5127 transitions. [2022-07-14 02:07:06,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-14 02:07:06,015 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 8.818181818181818) internal successors, (97), 13 states have internal predecessors, (97), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 126 [2022-07-14 02:07:06,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:07:06,026 INFO L225 Difference]: With dead ends: 3702 [2022-07-14 02:07:06,026 INFO L226 Difference]: Without dead ends: 1855 [2022-07-14 02:07:06,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2022-07-14 02:07:06,035 INFO L413 NwaCegarLoop]: 2547 mSDtfsCounter, 13 mSDsluCounter, 22872 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 25419 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-14 02:07:06,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 25419 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-14 02:07:06,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2022-07-14 02:07:06,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1851. [2022-07-14 02:07:06,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1851 states, 1289 states have (on average 1.2878200155159039) internal successors, (1660), 1310 states have internal predecessors, (1660), 451 states have call successors, (451), 110 states have call predecessors, (451), 110 states have return successors, (451), 447 states have call predecessors, (451), 450 states have call successors, (451) [2022-07-14 02:07:06,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 1851 states and 2562 transitions. [2022-07-14 02:07:06,084 INFO L78 Accepts]: Start accepts. Automaton has 1851 states and 2562 transitions. Word has length 126 [2022-07-14 02:07:06,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:07:06,096 INFO L495 AbstractCegarLoop]: Abstraction has 1851 states and 2562 transitions. [2022-07-14 02:07:06,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 8.818181818181818) internal successors, (97), 13 states have internal predecessors, (97), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-14 02:07:06,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1851 states and 2562 transitions. [2022-07-14 02:07:06,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-14 02:07:06,101 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:07:06,101 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:07:06,262 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 02:07:06,315 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 02:07:06,315 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:07:06,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:07:06,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1433036720, now seen corresponding path program 2 times [2022-07-14 02:07:06,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:07:06,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [288568996] [2022-07-14 02:07:06,326 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 02:07:06,326 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:07:06,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:07:06,332 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 02:07:06,391 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 02:07:15,241 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 02:07:15,242 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 02:07:15,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 5241 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 02:07:15,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:07:15,849 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-07-14 02:07:15,849 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:07:15,849 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:07:15,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [288568996] [2022-07-14 02:07:15,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [288568996] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:07:15,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:07:15,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:07:15,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814240801] [2022-07-14 02:07:15,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:07:15,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:07:15,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:07:15,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:07:15,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:07:15,851 INFO L87 Difference]: Start difference. First operand 1851 states and 2562 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-07-14 02:07:16,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:07:16,013 INFO L93 Difference]: Finished difference Result 1858 states and 2568 transitions. [2022-07-14 02:07:16,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:07:16,014 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 128 [2022-07-14 02:07:16,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:07:16,022 INFO L225 Difference]: With dead ends: 1858 [2022-07-14 02:07:16,022 INFO L226 Difference]: Without dead ends: 1855 [2022-07-14 02:07:16,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:07:16,023 INFO L413 NwaCegarLoop]: 2551 mSDtfsCounter, 9 mSDsluCounter, 7634 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 10185 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 02:07:16,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 10185 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 02:07:16,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2022-07-14 02:07:16,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1855. [2022-07-14 02:07:16,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1855 states, 1292 states have (on average 1.2871517027863777) internal successors, (1663), 1313 states have internal predecessors, (1663), 451 states have call successors, (451), 111 states have call predecessors, (451), 111 states have return successors, (451), 447 states have call predecessors, (451), 450 states have call successors, (451) [2022-07-14 02:07:16,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1855 states and 2565 transitions. [2022-07-14 02:07:16,076 INFO L78 Accepts]: Start accepts. Automaton has 1855 states and 2565 transitions. Word has length 128 [2022-07-14 02:07:16,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:07:16,077 INFO L495 AbstractCegarLoop]: Abstraction has 1855 states and 2565 transitions. [2022-07-14 02:07:16,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-07-14 02:07:16,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2565 transitions. [2022-07-14 02:07:16,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-07-14 02:07:16,084 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:07:16,084 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:07:16,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-14 02:07:16,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:07:16,303 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:07:16,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:07:16,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1522367651, now seen corresponding path program 1 times [2022-07-14 02:07:16,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:07:16,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1058789209] [2022-07-14 02:07:16,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:07:16,310 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:07:16,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:07:16,313 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:07:16,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 02:07:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:07:24,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 5730 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-14 02:07:24,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:07:24,999 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 52 proven. 6 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-14 02:07:24,999 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 02:07:26,489 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-07-14 02:07:26,489 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:07:26,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1058789209] [2022-07-14 02:07:26,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1058789209] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 02:07:26,489 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 02:07:26,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-14 02:07:26,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475327934] [2022-07-14 02:07:26,490 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 02:07:26,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-14 02:07:26,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:07:26,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-14 02:07:26,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-14 02:07:26,491 INFO L87 Difference]: Start difference. First operand 1855 states and 2565 transitions. Second operand has 15 states, 13 states have (on average 10.23076923076923) internal successors, (133), 15 states have internal predecessors, (133), 4 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (37), 4 states have call predecessors, (37), 4 states have call successors, (37) [2022-07-14 02:07:28,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:07:28,057 INFO L93 Difference]: Finished difference Result 3714 states and 5139 transitions. [2022-07-14 02:07:28,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-14 02:07:28,058 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 10.23076923076923) internal successors, (133), 15 states have internal predecessors, (133), 4 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (37), 4 states have call predecessors, (37), 4 states have call successors, (37) Word has length 170 [2022-07-14 02:07:28,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:07:28,067 INFO L225 Difference]: With dead ends: 3714 [2022-07-14 02:07:28,067 INFO L226 Difference]: Without dead ends: 1862 [2022-07-14 02:07:28,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2022-07-14 02:07:28,075 INFO L413 NwaCegarLoop]: 2548 mSDtfsCounter, 34 mSDsluCounter, 22879 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 25427 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-14 02:07:28,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 25427 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-14 02:07:28,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1862 states. [2022-07-14 02:07:28,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1862 to 1856. [2022-07-14 02:07:28,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1856 states, 1293 states have (on average 1.2877030162412992) internal successors, (1665), 1314 states have internal predecessors, (1665), 451 states have call successors, (451), 111 states have call predecessors, (451), 111 states have return successors, (451), 447 states have call predecessors, (451), 450 states have call successors, (451) [2022-07-14 02:07:28,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 1856 states and 2567 transitions. [2022-07-14 02:07:28,117 INFO L78 Accepts]: Start accepts. Automaton has 1856 states and 2567 transitions. Word has length 170 [2022-07-14 02:07:28,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:07:28,117 INFO L495 AbstractCegarLoop]: Abstraction has 1856 states and 2567 transitions. [2022-07-14 02:07:28,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 10.23076923076923) internal successors, (133), 15 states have internal predecessors, (133), 4 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (37), 4 states have call predecessors, (37), 4 states have call successors, (37) [2022-07-14 02:07:28,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 2567 transitions. [2022-07-14 02:07:28,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-14 02:07:28,122 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:07:28,122 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:07:28,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-14 02:07:28,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:07:28,343 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:07:28,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:07:28,344 INFO L85 PathProgramCache]: Analyzing trace with hash 354032547, now seen corresponding path program 2 times [2022-07-14 02:07:28,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:07:28,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [155085483] [2022-07-14 02:07:28,350 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 02:07:28,351 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:07:28,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:07:28,352 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:07:28,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process