./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 eb692b52 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-?-eb692b5 [2022-07-19 23:34:49,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:34:49,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:34:49,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:34:49,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:34:49,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:34:49,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:34:49,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:34:49,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:34:49,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:34:49,736 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:34:49,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:34:49,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:34:49,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:34:49,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:34:49,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:34:49,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:34:49,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:34:49,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:34:49,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:34:49,752 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:34:49,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:34:49,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:34:49,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:34:49,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:34:49,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:34:49,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:34:49,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:34:49,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:34:49,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:34:49,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:34:49,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:34:49,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:34:49,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:34:49,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:34:49,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:34:49,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:34:49,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:34:49,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:34:49,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:34:49,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:34:49,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:34:49,772 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 23:34:49,806 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:34:49,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:34:49,807 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:34:49,807 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:34:49,808 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:34:49,808 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:34:49,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:34:49,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:34:49,809 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:34:49,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:34:49,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 23:34:49,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:34:49,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:34:49,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:34:49,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:34:49,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:34:49,811 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:34:49,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:34:49,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:34:49,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:34:49,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:34:49,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:34:49,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:34:49,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:34:49,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:34:49,813 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 23:34:49,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 23:34:49,813 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:34:49,813 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:34:49,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:34:49,814 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e008b04b7be5a7eb3cfb5abbdeca875ac459e6636eb5b98613fa9fcb2277a8 [2022-07-19 23:34:50,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:34:50,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:34:50,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:34:50,084 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:34:50,084 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:34:50,085 INFO L432 ainManager$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 [2022-07-19 23:34:50,145 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/390ed16fb/f5ce4731c3ff4d8486bd3b29a0b4cfec/FLAGcb96fce56 [2022-07-19 23:34:50,988 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:34:50,989 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 [2022-07-19 23:34:51,039 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/390ed16fb/f5ce4731c3ff4d8486bd3b29a0b4cfec/FLAGcb96fce56 [2022-07-19 23:34:51,165 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/390ed16fb/f5ce4731c3ff4d8486bd3b29a0b4cfec [2022-07-19 23:34:51,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:34:51,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:34:51,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:34:51,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:34:51,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:34:51,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:34:51" (1/1) ... [2022-07-19 23:34:51,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59e23aa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:34:51, skipping insertion in model container [2022-07-19 23:34:51,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:34:51" (1/1) ... [2022-07-19 23:34:51,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:34:51,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:34:52,704 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] [2022-07-19 23:34:54,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:34:54,431 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:34:54,578 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] [2022-07-19 23:34:54,796 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) [2022-07-19 23:34:54,806 INFO L158 Benchmark]: Toolchain (without parser) took 3637.66ms. Allocated memory was 92.3MB in the beginning and 161.5MB in the end (delta: 69.2MB). Free memory was 53.5MB in the beginning and 73.1MB in the end (delta: -19.6MB). Peak memory consumption was 83.6MB. Max. memory is 16.1GB. [2022-07-19 23:34:54,808 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 70.1MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 23:34:54,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3636.09ms. Allocated memory was 92.3MB in the beginning and 161.5MB in the end (delta: 69.2MB). Free memory was 53.2MB in the beginning and 73.1MB in the end (delta: -19.9MB). Peak memory consumption was 83.6MB. Max. memory is 16.1GB. [2022-07-19 23:34:54,810 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 70.1MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3636.09ms. Allocated memory was 92.3MB in the beginning and 161.5MB in the end (delta: 69.2MB). Free memory was 53.2MB in the beginning and 73.1MB in the end (delta: -19.9MB). Peak memory consumption was 83.6MB. 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-?-eb692b5 [2022-07-19 23:34:56,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:34:56,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:34:56,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:34:56,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:34:56,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:34:56,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:34:56,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:34:56,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:34:56,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:34:56,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:34:56,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:34:56,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:34:56,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:34:56,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:34:56,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:34:56,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:34:56,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:34:56,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:34:56,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:34:56,702 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:34:56,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:34:56,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:34:56,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:34:56,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:34:56,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:34:56,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:34:56,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:34:56,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:34:56,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:34:56,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:34:56,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:34:56,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:34:56,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:34:56,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:34:56,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:34:56,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:34:56,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:34:56,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:34:56,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:34:56,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:34:56,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:34:56,717 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-19 23:34:56,739 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:34:56,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:34:56,740 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:34:56,740 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:34:56,741 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:34:56,741 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:34:56,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:34:56,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:34:56,742 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:34:56,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:34:56,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:34:56,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:34:56,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:34:56,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:34:56,744 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-19 23:34:56,744 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-19 23:34:56,744 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-19 23:34:56,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:34:56,745 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:34:56,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:34:56,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:34:56,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:34:56,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:34:56,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:34:56,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:34:56,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:34:56,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:34:56,747 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-19 23:34:56,747 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-19 23:34:56,748 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:34:56,748 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:34:56,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:34:56,748 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-19 23:34:56,749 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e008b04b7be5a7eb3cfb5abbdeca875ac459e6636eb5b98613fa9fcb2277a8 [2022-07-19 23:34:57,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:34:57,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:34:57,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:34:57,121 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:34:57,122 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:34:57,124 INFO L432 ainManager$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 [2022-07-19 23:34:57,200 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42020d0ff/dac7d4b105eb4db3ba470943e9a76b3b/FLAGe58ac2e6a [2022-07-19 23:34:58,164 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:34:58,165 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 [2022-07-19 23:34:58,221 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42020d0ff/dac7d4b105eb4db3ba470943e9a76b3b/FLAGe58ac2e6a [2022-07-19 23:34:58,612 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42020d0ff/dac7d4b105eb4db3ba470943e9a76b3b [2022-07-19 23:34:58,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:34:58,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:34:58,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:34:58,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:34:58,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:34:58,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:34:58" (1/1) ... [2022-07-19 23:34:58,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7178923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:34:58, skipping insertion in model container [2022-07-19 23:34:58,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:34:58" (1/1) ... [2022-07-19 23:34:58,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:34:58,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:35:00,346 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] [2022-07-19 23:35:02,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:35:02,436 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-19 23:35:02,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:35:02,726 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] [2022-07-19 23:35:02,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:35:03,029 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:35:03,146 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] [2022-07-19 23:35:03,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:35:03,660 INFO L208 MainTranslator]: Completed translation [2022-07-19 23:35:03,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:35:03 WrapperNode [2022-07-19 23:35:03,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 23:35:03,663 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 23:35:03,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 23:35:03,663 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 23:35:03,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:35:03" (1/1) ... [2022-07-19 23:35:03,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:35:03" (1/1) ... [2022-07-19 23:35:04,086 INFO L137 Inliner]: procedures = 437, calls = 5945, calls flagged for inlining = 205, calls inlined = 187, statements flattened = 11105 [2022-07-19 23:35:04,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 23:35:04,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 23:35:04,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 23:35:04,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 23:35:04,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:35:03" (1/1) ... [2022-07-19 23:35:04,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:35:03" (1/1) ... [2022-07-19 23:35:04,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:35:03" (1/1) ... [2022-07-19 23:35:04,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:35:03" (1/1) ... [2022-07-19 23:35:04,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:35:03" (1/1) ... [2022-07-19 23:35:04,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:35:03" (1/1) ... [2022-07-19 23:35:04,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:35:03" (1/1) ... [2022-07-19 23:35:04,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 23:35:04,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 23:35:04,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 23:35:04,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 23:35:04,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:35:03" (1/1) ... [2022-07-19 23:35:04,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:35:04,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:35:04,629 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) [2022-07-19 23:35:04,657 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 [2022-07-19 23:35:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-19 23:35:04,681 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-19 23:35:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-19 23:35:04,681 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-19 23:35:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2022-07-19 23:35:04,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2022-07-19 23:35:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 23:35:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 23:35:04,682 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2022-07-19 23:35:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2022-07-19 23:35:04,682 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_error_detected [2022-07-19 23:35:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_error_detected [2022-07-19 23:35:04,682 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-19 23:35:04,683 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-19 23:35:04,683 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-19 23:35:04,683 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-19 23:35:04,683 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-19 23:35:04,683 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-19 23:35:04,683 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-19 23:35:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-19 23:35:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2022-07-19 23:35:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2022-07-19 23:35:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2022-07-19 23:35:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2022-07-19 23:35:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2022-07-19 23:35:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2022-07-19 23:35:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2022-07-19 23:35:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2022-07-19 23:35:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-19 23:35:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-19 23:35:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_features [2022-07-19 23:35:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_features [2022-07-19 23:35:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2022-07-19 23:35:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2022-07-19 23:35:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2022-07-19 23:35:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2022-07-19 23:35:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-19 23:35:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-19 23:35:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-19 23:35:04,688 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-19 23:35:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-19 23:35:04,688 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-19 23:35:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-19 23:35:04,688 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-19 23:35:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-19 23:35:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 23:35:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-19 23:35:04,689 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-19 23:35:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-19 23:35:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-19 23:35:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-19 23:35:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2022-07-19 23:35:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2022-07-19 23:35:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-19 23:35:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-19 23:35:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2022-07-19 23:35:04,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2022-07-19 23:35:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-19 23:35:04,692 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-19 23:35:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2022-07-19 23:35:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2022-07-19 23:35:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2022-07-19 23:35:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2022-07-19 23:35:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-19 23:35:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-19 23:35:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2022-07-19 23:35:04,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2022-07-19 23:35:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2022-07-19 23:35:04,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2022-07-19 23:35:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2022-07-19 23:35:04,695 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2022-07-19 23:35:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2022-07-19 23:35:04,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2022-07-19 23:35:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-19 23:35:04,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-19 23:35:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2022-07-19 23:35:04,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2022-07-19 23:35:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-19 23:35:04,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-19 23:35:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-19 23:35:04,696 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-19 23:35:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-07-19 23:35:04,697 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-07-19 23:35:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-19 23:35:04,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-19 23:35:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-19 23:35:04,698 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-19 23:35:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2022-07-19 23:35:04,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2022-07-19 23:35:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-19 23:35:04,699 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-19 23:35:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-19 23:35:04,700 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-19 23:35:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2022-07-19 23:35:04,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2022-07-19 23:35:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-07-19 23:35:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2022-07-19 23:35:04,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2022-07-19 23:35:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2022-07-19 23:35:04,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2022-07-19 23:35:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 23:35:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-19 23:35:04,702 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-19 23:35:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 23:35:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-19 23:35:04,702 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-19 23:35:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-19 23:35:04,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-19 23:35:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 23:35:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-19 23:35:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-19 23:35:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-07-19 23:35:04,706 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-07-19 23:35:04,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-19 23:35:04,706 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2022-07-19 23:35:04,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2022-07-19 23:35:04,707 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2022-07-19 23:35:04,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2022-07-19 23:35:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-19 23:35:04,709 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-19 23:35:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2022-07-19 23:35:04,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2022-07-19 23:35:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-19 23:35:04,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-19 23:35:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2022-07-19 23:35:04,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2022-07-19 23:35:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2022-07-19 23:35:04,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2022-07-19 23:35:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-19 23:35:04,710 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-19 23:35:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-19 23:35:04,710 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-19 23:35:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2022-07-19 23:35:04,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2022-07-19 23:35:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2022-07-19 23:35:04,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2022-07-19 23:35:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2022-07-19 23:35:04,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2022-07-19 23:35:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-19 23:35:04,710 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-19 23:35:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-19 23:35:04,710 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-19 23:35:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-19 23:35:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 23:35:04,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 23:35:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-19 23:35:04,711 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-19 23:35:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-19 23:35:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-19 23:35:04,711 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-19 23:35:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-19 23:35:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-19 23:35:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-19 23:35:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-19 23:35:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-19 23:35:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-19 23:35:04,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-19 23:35:04,712 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-19 23:35:04,712 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-19 23:35:04,712 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-19 23:35:04,712 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-19 23:35:04,712 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2022-07-19 23:35:04,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2022-07-19 23:35:04,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2022-07-19 23:35:04,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2022-07-19 23:35:04,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-19 23:35:04,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-19 23:35:04,712 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2022-07-19 23:35:04,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2022-07-19 23:35:04,712 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-19 23:35:04,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-19 23:35:04,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-19 23:35:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-19 23:35:04,713 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-19 23:35:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-19 23:35:04,713 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-19 23:35:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-19 23:35:04,713 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-07-19 23:35:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-07-19 23:35:04,713 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-19 23:35:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-19 23:35:04,713 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-19 23:35:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-19 23:35:04,713 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-19 23:35:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-19 23:35:04,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 23:35:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-19 23:35:04,714 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-19 23:35:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-19 23:35:04,714 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-19 23:35:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 23:35:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-19 23:35:04,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-19 23:35:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_kill_vid [2022-07-19 23:35:04,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_kill_vid [2022-07-19 23:35:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-19 23:35:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-19 23:35:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-19 23:35:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-19 23:35:04,715 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-19 23:35:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-19 23:35:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 23:35:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_change_mtu [2022-07-19 23:35:04,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_change_mtu [2022-07-19 23:35:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-19 23:35:04,715 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-19 23:35:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-19 23:35:04,715 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-19 23:35:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-19 23:35:04,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-19 23:35:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2022-07-19 23:35:04,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2022-07-19 23:35:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2022-07-19 23:35:04,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2022-07-19 23:35:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_fix_features [2022-07-19 23:35:04,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_fix_features [2022-07-19 23:35:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-19 23:35:04,716 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-19 23:35:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-19 23:35:04,716 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-19 23:35:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_slot_reset [2022-07-19 23:35:04,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_slot_reset [2022-07-19 23:35:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-19 23:35:04,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-19 23:35:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-19 23:35:04,716 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-19 23:35:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-19 23:35:04,717 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-19 23:35:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2022-07-19 23:35:04,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2022-07-19 23:35:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-19 23:35:04,717 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-19 23:35:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-19 23:35:04,717 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-19 23:35:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_mac [2022-07-19 23:35:04,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_mac [2022-07-19 23:35:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2022-07-19 23:35:04,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2022-07-19 23:35:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-19 23:35:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-19 23:35:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-19 23:35:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-19 23:35:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-19 23:35:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-19 23:35:04,719 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2022-07-19 23:35:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2022-07-19 23:35:04,719 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-19 23:35:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-19 23:35:04,719 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2022-07-19 23:35:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2022-07-19 23:35:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-19 23:35:04,720 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-19 23:35:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-19 23:35:04,720 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-19 23:35:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2022-07-19 23:35:04,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2022-07-19 23:35:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-07-19 23:35:04,721 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-07-19 23:35:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-19 23:35:04,721 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-19 23:35:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2022-07-19 23:35:04,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2022-07-19 23:35:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2022-07-19 23:35:04,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2022-07-19 23:35:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2022-07-19 23:35:04,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2022-07-19 23:35:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-19 23:35:04,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-19 23:35:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2022-07-19 23:35:04,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2022-07-19 23:35:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2022-07-19 23:35:04,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2022-07-19 23:35:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-19 23:35:04,723 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-19 23:35:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_stats [2022-07-19 23:35:04,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_stats [2022-07-19 23:35:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-19 23:35:04,723 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-19 23:35:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-19 23:35:04,724 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-19 23:35:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-19 23:35:04,724 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-19 23:35:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-19 23:35:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2022-07-19 23:35:04,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2022-07-19 23:35:05,835 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 23:35:05,839 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 23:35:07,019 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-19 23:37:05,658 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 23:37:05,679 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 23:37:05,680 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-19 23:37:05,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:37:05 BoogieIcfgContainer [2022-07-19 23:37:05,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 23:37:05,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 23:37:05,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 23:37:05,689 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 23:37:05,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:34:58" (1/3) ... [2022-07-19 23:37:05,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3af89ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:37:05, skipping insertion in model container [2022-07-19 23:37:05,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:35:03" (2/3) ... [2022-07-19 23:37:05,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3af89ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:37:05, skipping insertion in model container [2022-07-19 23:37:05,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:37:05" (3/3) ... [2022-07-19 23:37:05,692 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 [2022-07-19 23:37:05,705 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 23:37:05,706 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 23:37:05,817 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 23:37:05,826 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@215d131, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@784061aa [2022-07-19 23:37:05,826 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 23:37:05,842 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) [2022-07-19 23:37:05,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-07-19 23:37:05,864 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:37:05,865 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] [2022-07-19 23:37:05,865 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:37:05,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:37:05,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1632160076, now seen corresponding path program 1 times [2022-07-19 23:37:05,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:37:05,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [227718317] [2022-07-19 23:37:05,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:37:05,896 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:37:05,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:37:05,901 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) [2022-07-19 23:37:05,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-19 23:37:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:09,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 3983 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 23:37:09,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:37:10,128 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-07-19 23:37:10,128 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:37:10,129 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:37:10,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [227718317] [2022-07-19 23:37:10,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [227718317] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:37:10,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:37:10,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 23:37:10,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795597827] [2022-07-19 23:37:10,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:37:10,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 23:37:10,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:37:10,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 23:37:10,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 23:37:10,165 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) [2022-07-19 23:37:11,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:37:11,196 INFO L93 Difference]: Finished difference Result 6226 states and 9060 transitions. [2022-07-19 23:37:11,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 23:37:11,199 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 [2022-07-19 23:37:11,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:37:11,246 INFO L225 Difference]: With dead ends: 6226 [2022-07-19 23:37:11,246 INFO L226 Difference]: Without dead ends: 3076 [2022-07-19 23:37:11,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:37:11,283 INFO L413 NwaCegarLoop]: 4473 mSDtfsCounter, 2 mSDsluCounter, 8934 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 23:37:11,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 13407 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 23:37:11,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3076 states. [2022-07-19 23:37:11,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3076 to 3076. [2022-07-19 23:37:11,551 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) [2022-07-19 23:37:11,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 3076 states and 4417 transitions. [2022-07-19 23:37:11,586 INFO L78 Accepts]: Start accepts. Automaton has 3076 states and 4417 transitions. Word has length 67 [2022-07-19 23:37:11,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:37:11,587 INFO L495 AbstractCegarLoop]: Abstraction has 3076 states and 4417 transitions. [2022-07-19 23:37:11,587 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) [2022-07-19 23:37:11,588 INFO L276 IsEmpty]: Start isEmpty. Operand 3076 states and 4417 transitions. [2022-07-19 23:37:11,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-07-19 23:37:11,595 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:37:11,595 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] [2022-07-19 23:37:11,686 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-19 23:37:11,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:37:11,812 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:37:11,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:37:11,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1052105849, now seen corresponding path program 1 times [2022-07-19 23:37:11,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:37:11,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [403002232] [2022-07-19 23:37:11,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:37:11,816 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:37:11,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:37:11,818 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) [2022-07-19 23:37:11,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-19 23:37:15,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:15,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 4038 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 23:37:15,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:37:15,723 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-07-19 23:37:15,723 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 23:37:16,780 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-07-19 23:37:16,780 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:37:16,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [403002232] [2022-07-19 23:37:16,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [403002232] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 23:37:16,780 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-19 23:37:16,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-19 23:37:16,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232231441] [2022-07-19 23:37:16,781 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-19 23:37:16,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 23:37:16,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:37:16,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 23:37:16,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-19 23:37:16,783 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) [2022-07-19 23:37:20,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:37:20,191 INFO L93 Difference]: Finished difference Result 6152 states and 8852 transitions. [2022-07-19 23:37:20,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-19 23:37:20,192 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 [2022-07-19 23:37:20,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:37:20,222 INFO L225 Difference]: With dead ends: 6152 [2022-07-19 23:37:20,222 INFO L226 Difference]: Without dead ends: 3087 [2022-07-19 23:37:20,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-07-19 23:37:20,244 INFO L413 NwaCegarLoop]: 4400 mSDtfsCounter, 19 mSDsluCounter, 13171 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.2s IncrementalHoareTripleChecker+Time [2022-07-19 23:37:20,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 17571 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-19 23:37:20,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3087 states. [2022-07-19 23:37:20,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3087 to 3085. [2022-07-19 23:37:20,380 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) [2022-07-19 23:37:20,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3085 states to 3085 states and 4436 transitions. [2022-07-19 23:37:20,402 INFO L78 Accepts]: Start accepts. Automaton has 3085 states and 4436 transitions. Word has length 72 [2022-07-19 23:37:20,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:37:20,403 INFO L495 AbstractCegarLoop]: Abstraction has 3085 states and 4436 transitions. [2022-07-19 23:37:20,403 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) [2022-07-19 23:37:20,403 INFO L276 IsEmpty]: Start isEmpty. Operand 3085 states and 4436 transitions. [2022-07-19 23:37:20,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-19 23:37:20,406 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:37:20,406 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] [2022-07-19 23:37:20,494 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-19 23:37:20,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:37:20,628 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:37:20,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:37:20,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1060384116, now seen corresponding path program 2 times [2022-07-19 23:37:20,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:37:20,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1698298108] [2022-07-19 23:37:20,632 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-19 23:37:20,632 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:37:20,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:37:20,633 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) [2022-07-19 23:37:20,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-19 23:37:24,242 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-19 23:37:24,243 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-19 23:37:24,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 3873 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 23:37:24,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:37:26,414 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-07-19 23:37:26,415 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:37:26,415 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:37:26,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1698298108] [2022-07-19 23:37:26,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1698298108] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:37:26,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:37:26,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 23:37:26,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125347226] [2022-07-19 23:37:26,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:37:26,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 23:37:26,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:37:26,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 23:37:26,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:37:26,420 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) [2022-07-19 23:37:27,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:37:27,651 INFO L93 Difference]: Finished difference Result 6146 states and 8860 transitions. [2022-07-19 23:37:27,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 23:37:27,652 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 [2022-07-19 23:37:27,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:37:27,705 INFO L225 Difference]: With dead ends: 6146 [2022-07-19 23:37:27,705 INFO L226 Difference]: Without dead ends: 6138 [2022-07-19 23:37:27,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-19 23:37:27,716 INFO L413 NwaCegarLoop]: 5276 mSDtfsCounter, 4373 mSDsluCounter, 14949 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4373 SdHoareTripleChecker+Valid, 20225 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-19 23:37:27,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4373 Valid, 20225 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-19 23:37:27,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6138 states. [2022-07-19 23:37:28,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6138 to 6132. [2022-07-19 23:37:28,106 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) [2022-07-19 23:37:28,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6132 states to 6132 states and 8840 transitions. [2022-07-19 23:37:28,142 INFO L78 Accepts]: Start accepts. Automaton has 6132 states and 8840 transitions. Word has length 79 [2022-07-19 23:37:28,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:37:28,143 INFO L495 AbstractCegarLoop]: Abstraction has 6132 states and 8840 transitions. [2022-07-19 23:37:28,143 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) [2022-07-19 23:37:28,143 INFO L276 IsEmpty]: Start isEmpty. Operand 6132 states and 8840 transitions. [2022-07-19 23:37:28,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2022-07-19 23:37:28,172 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:37:28,174 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] [2022-07-19 23:37:28,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-19 23:37:28,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:37:28,396 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:37:28,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:37:28,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1309726809, now seen corresponding path program 1 times [2022-07-19 23:37:28,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:37:28,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1543917927] [2022-07-19 23:37:28,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:37:28,401 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:37:28,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:37:28,403 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) [2022-07-19 23:37:28,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-19 23:37:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:34,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 5434 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-19 23:37:34,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:37:35,231 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 192 proven. 3 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2022-07-19 23:37:35,232 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 23:37:37,180 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 28 proven. 45 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-07-19 23:37:37,181 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:37:37,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1543917927] [2022-07-19 23:37:37,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1543917927] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 23:37:37,182 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-19 23:37:37,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-07-19 23:37:37,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303937743] [2022-07-19 23:37:37,182 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-19 23:37:37,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-19 23:37:37,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:37:37,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-19 23:37:37,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-19 23:37:37,185 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) [2022-07-19 23:37:42,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:37:42,244 INFO L93 Difference]: Finished difference Result 12291 states and 17756 transitions. [2022-07-19 23:37:42,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-19 23:37:42,246 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 [2022-07-19 23:37:42,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:37:42,296 INFO L225 Difference]: With dead ends: 12291 [2022-07-19 23:37:42,297 INFO L226 Difference]: Without dead ends: 6172 [2022-07-19 23:37:42,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 758 GetRequests, 742 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=113, Invalid=193, Unknown=0, NotChecked=0, Total=306 [2022-07-19 23:37:42,338 INFO L413 NwaCegarLoop]: 4402 mSDtfsCounter, 54 mSDsluCounter, 13182 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s 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, 2.7s IncrementalHoareTripleChecker+Time [2022-07-19 23:37:42,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 17584 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-19 23:37:42,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6172 states. [2022-07-19 23:37:42,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6172 to 6158. [2022-07-19 23:37:42,672 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) [2022-07-19 23:37:42,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6158 states to 6158 states and 8885 transitions. [2022-07-19 23:37:42,709 INFO L78 Accepts]: Start accepts. Automaton has 6158 states and 8885 transitions. Word has length 376 [2022-07-19 23:37:42,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:37:42,711 INFO L495 AbstractCegarLoop]: Abstraction has 6158 states and 8885 transitions. [2022-07-19 23:37:42,713 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) [2022-07-19 23:37:42,713 INFO L276 IsEmpty]: Start isEmpty. Operand 6158 states and 8885 transitions. [2022-07-19 23:37:42,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2022-07-19 23:37:42,739 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:37:42,739 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] [2022-07-19 23:37:42,891 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-19 23:37:42,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:37:42,954 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:37:42,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:37:42,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1133275865, now seen corresponding path program 2 times [2022-07-19 23:37:42,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:37:42,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1495570144] [2022-07-19 23:37:42,960 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-19 23:37:42,960 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:37:42,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:37:42,961 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) [2022-07-19 23:37:42,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process