./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--ixgb--ixgb.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 c5e008b04b7be5a7eb3cfb5abbdeca875ac459e6636eb5b98613fa9fcb2277a8 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 11:06:19,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:06:19,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:06:19,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:06:19,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:06:19,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:06:19,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:06:19,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:06:19,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:06:19,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:06:19,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:06:19,808 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:06:19,809 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:06:19,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:06:19,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:06:19,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:06:19,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:06:19,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:06:19,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:06:19,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:06:19,822 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:06:19,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:06:19,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:06:19,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:06:19,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:06:19,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:06:19,830 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:06:19,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:06:19,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:06:19,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:06:19,832 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:06:19,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:06:19,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:06:19,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:06:19,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:06:19,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:06:19,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:06:19,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:06:19,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:06:19,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:06:19,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:06:19,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:06:19,842 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 11:06:19,866 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:06:19,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:06:19,866 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:06:19,867 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:06:19,867 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:06:19,867 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:06:19,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:06:19,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:06:19,868 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:06:19,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:06:19,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 11:06:19,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:06:19,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:06:19,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:06:19,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:06:19,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:06:19,870 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:06:19,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:06:19,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:06:19,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:06:19,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:06:19,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:06:19,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:06:19,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:06:19,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:06:19,871 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 11:06:19,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 11:06:19,871 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:06:19,871 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:06:19,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:06:19,872 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e008b04b7be5a7eb3cfb5abbdeca875ac459e6636eb5b98613fa9fcb2277a8 [2022-07-21 11:06:20,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:06:20,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:06:20,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:06:20,169 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:06:20,169 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:06:20,170 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2022-07-21 11:06:20,206 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1aecdbd48/b51642b2b72b411bbda75a8d3238e619/FLAG2b70b9003 [2022-07-21 11:06:20,901 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:06:20,902 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2022-07-21 11:06:20,960 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1aecdbd48/b51642b2b72b411bbda75a8d3238e619/FLAG2b70b9003 [2022-07-21 11:06:21,447 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1aecdbd48/b51642b2b72b411bbda75a8d3238e619 [2022-07-21 11:06:21,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:06:21,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:06:21,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:06:21,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:06:21,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:06:21,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:06:21" (1/1) ... [2022-07-21 11:06:21,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@262821bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:06:21, skipping insertion in model container [2022-07-21 11:06:21,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:06:21" (1/1) ... [2022-07-21 11:06:21,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:06:21,607 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:06:22,808 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i[204422,204435] [2022-07-21 11:06:24,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:06:24,065 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:06:24,174 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i[204422,204435] [2022-07-21 11:06:24,361 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: eecd_reg = eecd_reg & 4294967283U [12613] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-21 11:06:24,367 INFO L158 Benchmark]: Toolchain (without parser) took 2915.07ms. Allocated memory was 71.3MB in the beginning and 178.3MB in the end (delta: 107.0MB). Free memory was 35.0MB in the beginning and 95.4MB in the end (delta: -60.5MB). Peak memory consumption was 77.8MB. Max. memory is 16.1GB. [2022-07-21 11:06:24,368 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 71.3MB. Free memory was 53.8MB in the beginning and 53.7MB in the end (delta: 51.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 11:06:24,384 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2911.54ms. Allocated memory was 71.3MB in the beginning and 178.3MB in the end (delta: 107.0MB). Free memory was 34.8MB in the beginning and 95.4MB in the end (delta: -60.6MB). Peak memory consumption was 77.8MB. Max. memory is 16.1GB. [2022-07-21 11:06:24,386 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 71.3MB. Free memory was 53.8MB in the beginning and 53.7MB in the end (delta: 51.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2911.54ms. Allocated memory was 71.3MB in the beginning and 178.3MB in the end (delta: 107.0MB). Free memory was 34.8MB in the beginning and 95.4MB in the end (delta: -60.6MB). Peak memory consumption was 77.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: eecd_reg = eecd_reg & 4294967283U [12613] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: eecd_reg = eecd_reg & 4294967283U [12613]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--ixgb--ixgb.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 c5e008b04b7be5a7eb3cfb5abbdeca875ac459e6636eb5b98613fa9fcb2277a8 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 11:06:25,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:06:25,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:06:25,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:06:25,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:06:25,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:06:25,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:06:25,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:06:25,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:06:25,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:06:25,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:06:25,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:06:25,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:06:25,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:06:25,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:06:25,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:06:25,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:06:25,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:06:25,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:06:25,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:06:25,948 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:06:25,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:06:25,951 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:06:25,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:06:25,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:06:25,957 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:06:25,957 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:06:25,958 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:06:25,958 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:06:25,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:06:25,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:06:25,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:06:25,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:06:25,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:06:25,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:06:25,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:06:25,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:06:25,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:06:25,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:06:25,964 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:06:25,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:06:25,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:06:25,971 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 11:06:25,996 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:06:25,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:06:25,996 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:06:25,997 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:06:25,997 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:06:25,997 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:06:25,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:06:25,998 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:06:25,998 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:06:25,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:06:25,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:06:25,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:06:25,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:06:26,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:06:26,000 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 11:06:26,000 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 11:06:26,001 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 11:06:26,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:06:26,001 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:06:26,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:06:26,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:06:26,001 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:06:26,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:06:26,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:06:26,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:06:26,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:06:26,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:06:26,002 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 11:06:26,002 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 11:06:26,003 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:06:26,003 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:06:26,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:06:26,003 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 11:06:26,003 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e008b04b7be5a7eb3cfb5abbdeca875ac459e6636eb5b98613fa9fcb2277a8 [2022-07-21 11:06:26,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:06:26,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:06:26,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:06:26,287 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:06:26,288 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:06:26,289 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2022-07-21 11:06:26,345 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab57c462a/728d54926a4145f28f5b8b7f3992c6a4/FLAG101b4c34a [2022-07-21 11:06:27,099 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:06:27,100 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2022-07-21 11:06:27,174 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab57c462a/728d54926a4145f28f5b8b7f3992c6a4/FLAG101b4c34a [2022-07-21 11:06:27,614 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab57c462a/728d54926a4145f28f5b8b7f3992c6a4 [2022-07-21 11:06:27,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:06:27,617 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:06:27,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:06:27,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:06:27,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:06:27,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:06:27" (1/1) ... [2022-07-21 11:06:27,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@712e27dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:06:27, skipping insertion in model container [2022-07-21 11:06:27,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:06:27" (1/1) ... [2022-07-21 11:06:27,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:06:27,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:06:28,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i[204422,204435] [2022-07-21 11:06:30,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:06:30,433 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 11:06:30,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:06:30,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i[204422,204435] [2022-07-21 11:06:30,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:06:30,957 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:06:31,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i[204422,204435] [2022-07-21 11:06:31,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:06:31,655 INFO L208 MainTranslator]: Completed translation [2022-07-21 11:06:31,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:06:31 WrapperNode [2022-07-21 11:06:31,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 11:06:31,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 11:06:31,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 11:06:31,657 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 11:06:31,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:06:31" (1/1) ... [2022-07-21 11:06:31,782 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:06:31" (1/1) ... [2022-07-21 11:06:31,979 INFO L137 Inliner]: procedures = 437, calls = 5945, calls flagged for inlining = 205, calls inlined = 187, statements flattened = 11105 [2022-07-21 11:06:31,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 11:06:31,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 11:06:31,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 11:06:31,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 11:06:31,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:06:31" (1/1) ... [2022-07-21 11:06:31,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:06:31" (1/1) ... [2022-07-21 11:06:32,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:06:31" (1/1) ... [2022-07-21 11:06:32,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:06:31" (1/1) ... [2022-07-21 11:06:32,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:06:31" (1/1) ... [2022-07-21 11:06:32,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:06:31" (1/1) ... [2022-07-21 11:06:32,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:06:31" (1/1) ... [2022-07-21 11:06:32,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 11:06:32,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 11:06:32,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 11:06:32,362 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 11:06:32,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:06:31" (1/1) ... [2022-07-21 11:06:32,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:06:32,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:06:32,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 11:06:32,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 11:06:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 11:06:32,441 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 11:06:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 11:06:32,441 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 11:06:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2022-07-21 11:06:32,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2022-07-21 11:06:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 11:06:32,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 11:06:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2022-07-21 11:06:32,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2022-07-21 11:06:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_error_detected [2022-07-21 11:06:32,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_error_detected [2022-07-21 11:06:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-21 11:06:32,442 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-21 11:06:32,443 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 11:06:32,443 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 11:06:32,443 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-21 11:06:32,443 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-21 11:06:32,443 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 11:06:32,443 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 11:06:32,443 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2022-07-21 11:06:32,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2022-07-21 11:06:32,444 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2022-07-21 11:06:32,444 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2022-07-21 11:06:32,444 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2022-07-21 11:06:32,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2022-07-21 11:06:32,444 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2022-07-21 11:06:32,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2022-07-21 11:06:32,444 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-21 11:06:32,445 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-21 11:06:32,445 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_features [2022-07-21 11:06:32,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_features [2022-07-21 11:06:32,445 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2022-07-21 11:06:32,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2022-07-21 11:06:32,445 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2022-07-21 11:06:32,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2022-07-21 11:06:32,445 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 11:06:32,446 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 11:06:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 11:06:32,446 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 11:06:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 11:06:32,446 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 11:06:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 11:06:32,446 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 11:06:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-21 11:06:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 11:06:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-21 11:06:32,447 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-21 11:06:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 11:06:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 11:06:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 11:06:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2022-07-21 11:06:32,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2022-07-21 11:06:32,448 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 11:06:32,448 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 11:06:32,448 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2022-07-21 11:06:32,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2022-07-21 11:06:32,448 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 11:06:32,448 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 11:06:32,448 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2022-07-21 11:06:32,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2022-07-21 11:06:32,449 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2022-07-21 11:06:32,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2022-07-21 11:06:32,449 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 11:06:32,449 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 11:06:32,449 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2022-07-21 11:06:32,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2022-07-21 11:06:32,449 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2022-07-21 11:06:32,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2022-07-21 11:06:32,450 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2022-07-21 11:06:32,450 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2022-07-21 11:06:32,450 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2022-07-21 11:06:32,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2022-07-21 11:06:32,450 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 11:06:32,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 11:06:32,450 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2022-07-21 11:06:32,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2022-07-21 11:06:32,451 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 11:06:32,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 11:06:32,451 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-21 11:06:32,451 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-21 11:06:32,451 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-07-21 11:06:32,451 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-07-21 11:06:32,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 11:06:32,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 11:06:32,452 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-21 11:06:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-21 11:06:32,452 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2022-07-21 11:06:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2022-07-21 11:06:32,452 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-21 11:06:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-21 11:06:32,452 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 11:06:32,453 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 11:06:32,453 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2022-07-21 11:06:32,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2022-07-21 11:06:32,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-07-21 11:06:32,453 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2022-07-21 11:06:32,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2022-07-21 11:06:32,453 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2022-07-21 11:06:32,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2022-07-21 11:06:32,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 11:06:32,454 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-21 11:06:32,454 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-21 11:06:32,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 11:06:32,454 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-21 11:06:32,454 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-21 11:06:32,454 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 11:06:32,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 11:06:32,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 11:06:32,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 11:06:32,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 11:06:32,455 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-07-21 11:06:32,455 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-07-21 11:06:32,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 11:06:32,455 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2022-07-21 11:06:32,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2022-07-21 11:06:32,456 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2022-07-21 11:06:32,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2022-07-21 11:06:32,456 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-21 11:06:32,456 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-21 11:06:32,456 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2022-07-21 11:06:32,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2022-07-21 11:06:32,456 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-21 11:06:32,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-21 11:06:32,457 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2022-07-21 11:06:32,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2022-07-21 11:06:32,457 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2022-07-21 11:06:32,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2022-07-21 11:06:32,457 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-21 11:06:32,457 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-21 11:06:32,457 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 11:06:32,457 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 11:06:32,458 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2022-07-21 11:06:32,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2022-07-21 11:06:32,458 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2022-07-21 11:06:32,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2022-07-21 11:06:32,458 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2022-07-21 11:06:32,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2022-07-21 11:06:32,458 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-21 11:06:32,458 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-21 11:06:32,459 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 11:06:32,459 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 11:06:32,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 11:06:32,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 11:06:32,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 11:06:32,459 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-21 11:06:32,459 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-21 11:06:32,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 11:06:32,459 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 11:06:32,460 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 11:06:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 11:06:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 11:06:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 11:06:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 11:06:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 11:06:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 11:06:32,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 11:06:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 11:06:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 11:06:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-21 11:06:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-21 11:06:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2022-07-21 11:06:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2022-07-21 11:06:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2022-07-21 11:06:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2022-07-21 11:06:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 11:06:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 11:06:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2022-07-21 11:06:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2022-07-21 11:06:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-21 11:06:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-21 11:06:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 11:06:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 11:06:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 11:06:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 11:06:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 11:06:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 11:06:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-07-21 11:06:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-07-21 11:06:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-21 11:06:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-21 11:06:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-21 11:06:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-21 11:06:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-21 11:06:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-21 11:06:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 11:06:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-21 11:06:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-21 11:06:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 11:06:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 11:06:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 11:06:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-21 11:06:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-21 11:06:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_kill_vid [2022-07-21 11:06:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_kill_vid [2022-07-21 11:06:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 11:06:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 11:06:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 11:06:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-21 11:06:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-21 11:06:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 11:06:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 11:06:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_change_mtu [2022-07-21 11:06:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_change_mtu [2022-07-21 11:06:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-21 11:06:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-21 11:06:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 11:06:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 11:06:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 11:06:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 11:06:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2022-07-21 11:06:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2022-07-21 11:06:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2022-07-21 11:06:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2022-07-21 11:06:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_fix_features [2022-07-21 11:06:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_fix_features [2022-07-21 11:06:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-21 11:06:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-21 11:06:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 11:06:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 11:06:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_slot_reset [2022-07-21 11:06:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_slot_reset [2022-07-21 11:06:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-21 11:06:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-21 11:06:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-21 11:06:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-21 11:06:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 11:06:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 11:06:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2022-07-21 11:06:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2022-07-21 11:06:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-21 11:06:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-21 11:06:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 11:06:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 11:06:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_mac [2022-07-21 11:06:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_mac [2022-07-21 11:06:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2022-07-21 11:06:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2022-07-21 11:06:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 11:06:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 11:06:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 11:06:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 11:06:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 11:06:32,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 11:06:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2022-07-21 11:06:32,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2022-07-21 11:06:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 11:06:32,471 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 11:06:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2022-07-21 11:06:32,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2022-07-21 11:06:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-21 11:06:32,472 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-21 11:06:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-21 11:06:32,472 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-21 11:06:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2022-07-21 11:06:32,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2022-07-21 11:06:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-07-21 11:06:32,472 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-07-21 11:06:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-21 11:06:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-21 11:06:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2022-07-21 11:06:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2022-07-21 11:06:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2022-07-21 11:06:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2022-07-21 11:06:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2022-07-21 11:06:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2022-07-21 11:06:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-21 11:06:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-21 11:06:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2022-07-21 11:06:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2022-07-21 11:06:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2022-07-21 11:06:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2022-07-21 11:06:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-21 11:06:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-21 11:06:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_stats [2022-07-21 11:06:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_stats [2022-07-21 11:06:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-21 11:06:32,475 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-21 11:06:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-21 11:06:32,475 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-21 11:06:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-21 11:06:32,475 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-21 11:06:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-21 11:06:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2022-07-21 11:06:32,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2022-07-21 11:06:33,323 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 11:06:33,326 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 11:06:34,365 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 11:08:24,437 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 11:08:24,452 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 11:08:24,452 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-21 11:08:24,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:08:24 BoogieIcfgContainer [2022-07-21 11:08:24,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 11:08:24,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 11:08:24,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 11:08:24,459 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 11:08:24,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:06:27" (1/3) ... [2022-07-21 11:08:24,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ccae8be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:08:24, skipping insertion in model container [2022-07-21 11:08:24,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:06:31" (2/3) ... [2022-07-21 11:08:24,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ccae8be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:08:24, skipping insertion in model container [2022-07-21 11:08:24,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:08:24" (3/3) ... [2022-07-21 11:08:24,461 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2022-07-21 11:08:24,470 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 11:08:24,471 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 11:08:24,545 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 11:08:24,549 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@10bd0ed1, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1d4794c8 [2022-07-21 11:08:24,549 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 11:08:24,561 INFO L276 IsEmpty]: Start isEmpty. Operand has 3114 states, 2118 states have (on average 1.3026440037771483) internal successors, (2759), 2153 states have internal predecessors, (2759), 869 states have call successors, (869), 126 states have call predecessors, (869), 125 states have return successors, (861), 856 states have call predecessors, (861), 861 states have call successors, (861) [2022-07-21 11:08:24,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-07-21 11:08:24,573 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:08:24,574 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:08:24,574 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:08:24,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:08:24,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1632160076, now seen corresponding path program 1 times [2022-07-21 11:08:24,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:08:24,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1205382575] [2022-07-21 11:08:24,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:08:24,594 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:08:24,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:08:24,596 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:08:24,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 11:08:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:28,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 3983 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 11:08:28,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:08:28,461 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-07-21 11:08:28,462 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:08:28,462 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:08:28,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1205382575] [2022-07-21 11:08:28,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1205382575] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:08:28,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:08:28,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 11:08:28,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470407285] [2022-07-21 11:08:28,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:08:28,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 11:08:28,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:08:28,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 11:08:28,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 11:08:28,505 INFO L87 Difference]: Start difference. First operand has 3114 states, 2118 states have (on average 1.3026440037771483) internal successors, (2759), 2153 states have internal predecessors, (2759), 869 states have call successors, (869), 126 states have call predecessors, (869), 125 states have return successors, (861), 856 states have call predecessors, (861), 861 states have call successors, (861) Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-21 11:08:29,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:08:29,325 INFO L93 Difference]: Finished difference Result 6226 states and 9060 transitions. [2022-07-21 11:08:29,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 11:08:29,328 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 67 [2022-07-21 11:08:29,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:08:29,366 INFO L225 Difference]: With dead ends: 6226 [2022-07-21 11:08:29,366 INFO L226 Difference]: Without dead ends: 3076 [2022-07-21 11:08:29,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:08:29,397 INFO L413 NwaCegarLoop]: 4473 mSDtfsCounter, 2 mSDsluCounter, 8934 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 13407 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 11:08:29,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 13407 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 11:08:29,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3076 states. [2022-07-21 11:08:29,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3076 to 3076. [2022-07-21 11:08:29,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3076 states, 2091 states have (on average 1.288857006217121) internal successors, (2695), 2117 states have internal predecessors, (2695), 859 states have call successors, (859), 125 states have call predecessors, (859), 125 states have return successors, (863), 853 states have call predecessors, (863), 858 states have call successors, (863) [2022-07-21 11:08:29,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 3076 states and 4417 transitions. [2022-07-21 11:08:29,630 INFO L78 Accepts]: Start accepts. Automaton has 3076 states and 4417 transitions. Word has length 67 [2022-07-21 11:08:29,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:08:29,631 INFO L495 AbstractCegarLoop]: Abstraction has 3076 states and 4417 transitions. [2022-07-21 11:08:29,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-21 11:08:29,632 INFO L276 IsEmpty]: Start isEmpty. Operand 3076 states and 4417 transitions. [2022-07-21 11:08:29,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-07-21 11:08:29,639 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:08:29,640 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:08:29,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 11:08:29,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:08:29,857 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:08:29,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:08:29,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1052105849, now seen corresponding path program 1 times [2022-07-21 11:08:29,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:08:29,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1059929345] [2022-07-21 11:08:29,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:08:29,861 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:08:29,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:08:29,875 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:08:29,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 11:08:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:33,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 4038 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 11:08:33,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:08:33,967 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-07-21 11:08:33,967 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:08:34,738 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-07-21 11:08:34,738 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:08:34,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1059929345] [2022-07-21 11:08:34,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1059929345] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:08:34,739 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 11:08:34,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-21 11:08:34,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797614403] [2022-07-21 11:08:34,739 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 11:08:34,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 11:08:34,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:08:34,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 11:08:34,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:08:34,741 INFO L87 Difference]: Start difference. First operand 3076 states and 4417 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-21 11:08:36,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:08:36,894 INFO L93 Difference]: Finished difference Result 6152 states and 8852 transitions. [2022-07-21 11:08:36,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 11:08:36,895 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 72 [2022-07-21 11:08:36,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:08:36,916 INFO L225 Difference]: With dead ends: 6152 [2022-07-21 11:08:36,916 INFO L226 Difference]: Without dead ends: 3087 [2022-07-21 11:08:36,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-07-21 11:08:36,933 INFO L413 NwaCegarLoop]: 4400 mSDtfsCounter, 19 mSDsluCounter, 13171 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 17571 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-21 11:08:36,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 17571 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-21 11:08:36,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3087 states. [2022-07-21 11:08:37,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3087 to 3085. [2022-07-21 11:08:37,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3085 states, 2099 states have (on average 1.2906145783706526) internal successors, (2709), 2125 states have internal predecessors, (2709), 859 states have call successors, (859), 126 states have call predecessors, (859), 126 states have return successors, (868), 853 states have call predecessors, (868), 858 states have call successors, (868) [2022-07-21 11:08:37,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3085 states to 3085 states and 4436 transitions. [2022-07-21 11:08:37,044 INFO L78 Accepts]: Start accepts. Automaton has 3085 states and 4436 transitions. Word has length 72 [2022-07-21 11:08:37,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:08:37,044 INFO L495 AbstractCegarLoop]: Abstraction has 3085 states and 4436 transitions. [2022-07-21 11:08:37,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-21 11:08:37,045 INFO L276 IsEmpty]: Start isEmpty. Operand 3085 states and 4436 transitions. [2022-07-21 11:08:37,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-21 11:08:37,047 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:08:37,047 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:08:37,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 11:08:37,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:08:37,267 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:08:37,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:08:37,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1060384116, now seen corresponding path program 2 times [2022-07-21 11:08:37,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:08:37,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [178224113] [2022-07-21 11:08:37,271 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 11:08:37,271 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:08:37,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:08:37,273 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:08:37,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 11:08:40,756 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 11:08:40,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 11:08:40,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 3873 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 11:08:40,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:08:42,327 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-07-21 11:08:42,327 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:08:42,327 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:08:42,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [178224113] [2022-07-21 11:08:42,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [178224113] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:08:42,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:08:42,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 11:08:42,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201065954] [2022-07-21 11:08:42,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:08:42,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:08:42,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:08:42,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:08:42,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:08:42,329 INFO L87 Difference]: Start difference. First operand 3085 states and 4436 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-21 11:08:43,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:08:43,332 INFO L93 Difference]: Finished difference Result 6146 states and 8860 transitions. [2022-07-21 11:08:43,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:08:43,333 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 79 [2022-07-21 11:08:43,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:08:43,378 INFO L225 Difference]: With dead ends: 6146 [2022-07-21 11:08:43,379 INFO L226 Difference]: Without dead ends: 6138 [2022-07-21 11:08:43,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:08:43,390 INFO L413 NwaCegarLoop]: 5275 mSDtfsCounter, 4373 mSDsluCounter, 14947 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4373 SdHoareTripleChecker+Valid, 20222 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 11:08:43,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4373 Valid, 20222 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 11:08:43,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6138 states. [2022-07-21 11:08:43,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6138 to 6132. [2022-07-21 11:08:43,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6132 states, 4171 states have (on average 1.291057300407576) internal successors, (5385), 4223 states have internal predecessors, (5385), 1709 states have call successors, (1709), 250 states have call predecessors, (1709), 251 states have return successors, (1746), 1698 states have call predecessors, (1746), 1708 states have call successors, (1746) [2022-07-21 11:08:43,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6132 states to 6132 states and 8840 transitions. [2022-07-21 11:08:43,802 INFO L78 Accepts]: Start accepts. Automaton has 6132 states and 8840 transitions. Word has length 79 [2022-07-21 11:08:43,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:08:43,803 INFO L495 AbstractCegarLoop]: Abstraction has 6132 states and 8840 transitions. [2022-07-21 11:08:43,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-21 11:08:43,804 INFO L276 IsEmpty]: Start isEmpty. Operand 6132 states and 8840 transitions. [2022-07-21 11:08:43,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2022-07-21 11:08:43,828 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:08:43,829 INFO L195 NwaCegarLoop]: trace histogram [12, 9, 9, 9, 9, 9, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:08:43,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 11:08:44,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:08:44,056 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:08:44,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:08:44,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1309726809, now seen corresponding path program 1 times [2022-07-21 11:08:44,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:08:44,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1000305888] [2022-07-21 11:08:44,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:08:44,061 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:08:44,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:08:44,076 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:08:44,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 11:08:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:50,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 5434 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 11:08:50,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:08:50,629 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 192 proven. 3 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2022-07-21 11:08:50,630 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:08:52,140 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 28 proven. 45 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-07-21 11:08:52,141 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:08:52,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1000305888] [2022-07-21 11:08:52,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1000305888] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:08:52,141 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 11:08:52,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-07-21 11:08:52,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756711405] [2022-07-21 11:08:52,141 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 11:08:52,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 11:08:52,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:08:52,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 11:08:52,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-21 11:08:52,143 INFO L87 Difference]: Start difference. First operand 6132 states and 8840 transitions. Second operand has 10 states, 10 states have (on average 34.9) internal successors, (349), 10 states have internal predecessors, (349), 2 states have call successors, (103), 2 states have call predecessors, (103), 4 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) [2022-07-21 11:08:55,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:08:55,776 INFO L93 Difference]: Finished difference Result 12291 states and 17756 transitions. [2022-07-21 11:08:55,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-21 11:08:55,777 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 34.9) internal successors, (349), 10 states have internal predecessors, (349), 2 states have call successors, (103), 2 states have call predecessors, (103), 4 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) Word has length 376 [2022-07-21 11:08:55,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:08:55,813 INFO L225 Difference]: With dead ends: 12291 [2022-07-21 11:08:55,814 INFO L226 Difference]: Without dead ends: 6172 [2022-07-21 11:08:55,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 758 GetRequests, 742 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=113, Invalid=193, Unknown=0, NotChecked=0, Total=306 [2022-07-21 11:08:55,846 INFO L413 NwaCegarLoop]: 4402 mSDtfsCounter, 54 mSDsluCounter, 13182 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 17584 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-21 11:08:55,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 17584 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-21 11:08:55,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6172 states. [2022-07-21 11:08:56,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6172 to 6158. [2022-07-21 11:08:56,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6158 states, 4196 states have (on average 1.294089609151573) internal successors, (5430), 4246 states have internal predecessors, (5430), 1709 states have call successors, (1709), 253 states have call predecessors, (1709), 252 states have return successors, (1746), 1698 states have call predecessors, (1746), 1708 states have call successors, (1746) [2022-07-21 11:08:56,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6158 states to 6158 states and 8885 transitions. [2022-07-21 11:08:56,113 INFO L78 Accepts]: Start accepts. Automaton has 6158 states and 8885 transitions. Word has length 376 [2022-07-21 11:08:56,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:08:56,116 INFO L495 AbstractCegarLoop]: Abstraction has 6158 states and 8885 transitions. [2022-07-21 11:08:56,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 34.9) internal successors, (349), 10 states have internal predecessors, (349), 2 states have call successors, (103), 2 states have call predecessors, (103), 4 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) [2022-07-21 11:08:56,116 INFO L276 IsEmpty]: Start isEmpty. Operand 6158 states and 8885 transitions. [2022-07-21 11:08:56,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2022-07-21 11:08:56,133 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:08:56,133 INFO L195 NwaCegarLoop]: trace histogram [20, 9, 9, 9, 9, 9, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:08:56,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 11:08:56,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:08:56,352 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:08:56,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:08:56,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1133275865, now seen corresponding path program 2 times [2022-07-21 11:08:56,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:08:56,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [536372891] [2022-07-21 11:08:56,356 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 11:08:56,357 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:08:56,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:08:56,358 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:08:56,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process