./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 f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--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-?-f4b24e3 [2022-07-14 00:12:46,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:12:46,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:12:46,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:12:46,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:12:46,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:12:46,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:12:46,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:12:46,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:12:46,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:12:46,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:12:46,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:12:46,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:12:46,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:12:46,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:12:46,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:12:46,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:12:46,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:12:46,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:12:46,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:12:46,651 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:12:46,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:12:46,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:12:46,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:12:46,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:12:46,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:12:46,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:12:46,662 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:12:46,664 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:12:46,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:12:46,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:12:46,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:12:46,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:12:46,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:12:46,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:12:46,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:12:46,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:12:46,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:12:46,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:12:46,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:12:46,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:12:46,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:12:46,690 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 00:12:46,738 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:12:46,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:12:46,739 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:12:46,740 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:12:46,740 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:12:46,741 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:12:46,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:12:46,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:12:46,741 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:12:46,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:12:46,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 00:12:46,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:12:46,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:12:46,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:12:46,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:12:46,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:12:46,744 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:12:46,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:12:46,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:12:46,755 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:12:46,755 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:12:46,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:12:46,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:12:46,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:12:46,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:12:46,756 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 00:12:46,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 00:12:46,757 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:12:46,757 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:12:46,757 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:12:46,757 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e008b04b7be5a7eb3cfb5abbdeca875ac459e6636eb5b98613fa9fcb2277a8 [2022-07-14 00:12:47,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:12:47,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:12:47,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:12:47,241 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:12:47,259 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:12:47,262 INFO L432 ainManager$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 [2022-07-14 00:12:47,360 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93e2b4e78/4ee325f1f8544094bfea029f44b9d25c/FLAG15dd413a2 [2022-07-14 00:12:48,705 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:12:48,705 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 [2022-07-14 00:12:48,852 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93e2b4e78/4ee325f1f8544094bfea029f44b9d25c/FLAG15dd413a2 [2022-07-14 00:12:49,338 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93e2b4e78/4ee325f1f8544094bfea029f44b9d25c [2022-07-14 00:12:49,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:12:49,358 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:12:49,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:12:49,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:12:49,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:12:49,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:12:49" (1/1) ... [2022-07-14 00:12:49,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38134222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:12:49, skipping insertion in model container [2022-07-14 00:12:49,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:12:49" (1/1) ... [2022-07-14 00:12:49,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:12:49,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:12:52,315 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] [2022-07-14 00:12:56,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:12:56,174 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:12:56,342 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] [2022-07-14 00:12:56,587 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) [2022-07-14 00:12:56,593 INFO L158 Benchmark]: Toolchain (without parser) took 7233.99ms. Allocated memory was 130.0MB in the beginning and 197.1MB in the end (delta: 67.1MB). Free memory was 99.0MB in the beginning and 87.4MB in the end (delta: 11.7MB). Peak memory consumption was 104.7MB. Max. memory is 16.1GB. [2022-07-14 00:12:56,593 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 130.0MB. Free memory is still 109.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 00:12:56,594 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7230.77ms. Allocated memory was 130.0MB in the beginning and 197.1MB in the end (delta: 67.1MB). Free memory was 99.0MB in the beginning and 87.4MB in the end (delta: 11.7MB). Peak memory consumption was 104.7MB. Max. memory is 16.1GB. [2022-07-14 00:12:56,595 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 130.0MB. Free memory is still 109.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7230.77ms. Allocated memory was 130.0MB in the beginning and 197.1MB in the end (delta: 67.1MB). Free memory was 99.0MB in the beginning and 87.4MB in the end (delta: 11.7MB). Peak memory consumption was 104.7MB. 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-?-f4b24e3 [2022-07-14 00:12:59,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:12:59,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:12:59,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:12:59,853 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:12:59,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:12:59,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:12:59,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:12:59,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:12:59,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:12:59,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:12:59,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:12:59,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:12:59,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:12:59,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:12:59,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:12:59,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:12:59,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:12:59,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:12:59,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:12:59,893 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:12:59,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:12:59,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:12:59,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:12:59,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:12:59,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:12:59,906 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:12:59,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:12:59,907 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:12:59,908 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:12:59,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:12:59,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:12:59,911 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:12:59,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:12:59,913 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:12:59,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:12:59,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:12:59,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:12:59,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:12:59,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:12:59,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:12:59,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:12:59,923 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 00:12:59,955 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:12:59,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:12:59,956 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:12:59,957 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:12:59,958 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:12:59,958 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:12:59,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:12:59,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:12:59,959 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:12:59,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:12:59,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:12:59,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:12:59,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:12:59,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:12:59,962 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 00:12:59,962 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 00:12:59,962 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 00:12:59,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:12:59,963 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:12:59,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:12:59,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:12:59,972 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:12:59,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:12:59,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:12:59,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:12:59,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:12:59,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:12:59,973 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 00:12:59,973 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 00:12:59,974 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:12:59,974 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:12:59,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:12:59,975 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 00:12:59,975 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e008b04b7be5a7eb3cfb5abbdeca875ac459e6636eb5b98613fa9fcb2277a8 [2022-07-14 00:13:00,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:13:00,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:13:00,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:13:00,547 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:13:00,548 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:13:00,549 INFO L432 ainManager$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 [2022-07-14 00:13:00,663 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47ef0c594/ee892aabc41247608a675f052a98fa59/FLAGb51f2beda [2022-07-14 00:13:02,217 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:13:02,218 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 [2022-07-14 00:13:02,273 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47ef0c594/ee892aabc41247608a675f052a98fa59/FLAGb51f2beda [2022-07-14 00:13:02,305 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47ef0c594/ee892aabc41247608a675f052a98fa59 [2022-07-14 00:13:02,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:13:02,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:13:02,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:13:02,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:13:02,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:13:02,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:13:02" (1/1) ... [2022-07-14 00:13:02,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a53f2e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:13:02, skipping insertion in model container [2022-07-14 00:13:02,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:13:02" (1/1) ... [2022-07-14 00:13:02,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:13:02,634 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:13:05,167 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] [2022-07-14 00:13:08,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:13:08,433 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 00:13:08,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:13:08,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-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] [2022-07-14 00:13:09,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:13:09,372 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:13:09,605 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] [2022-07-14 00:13:09,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:13:10,340 INFO L208 MainTranslator]: Completed translation [2022-07-14 00:13:10,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:13:10 WrapperNode [2022-07-14 00:13:10,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 00:13:10,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 00:13:10,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 00:13:10,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 00:13:10,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:13:10" (1/1) ... [2022-07-14 00:13:10,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:13:10" (1/1) ... [2022-07-14 00:13:10,987 INFO L137 Inliner]: procedures = 437, calls = 5945, calls flagged for inlining = 205, calls inlined = 187, statements flattened = 11105 [2022-07-14 00:13:10,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 00:13:10,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 00:13:10,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 00:13:10,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 00:13:10,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:13:10" (1/1) ... [2022-07-14 00:13:10,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:13:10" (1/1) ... [2022-07-14 00:13:11,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:13:10" (1/1) ... [2022-07-14 00:13:11,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:13:10" (1/1) ... [2022-07-14 00:13:11,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:13:10" (1/1) ... [2022-07-14 00:13:11,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:13:10" (1/1) ... [2022-07-14 00:13:11,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:13:10" (1/1) ... [2022-07-14 00:13:11,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 00:13:11,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 00:13:11,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 00:13:11,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 00:13:11,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:13:10" (1/1) ... [2022-07-14 00:13:11,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:13:11,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:13:11,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 00:13:11,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 00:13:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 00:13:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 00:13:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 00:13:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 00:13:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2022-07-14 00:13:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2022-07-14 00:13:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 00:13:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 00:13:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2022-07-14 00:13:11,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2022-07-14 00:13:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_error_detected [2022-07-14 00:13:11,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_error_detected [2022-07-14 00:13:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-14 00:13:11,561 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-14 00:13:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 00:13:11,562 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 00:13:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-14 00:13:11,562 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-14 00:13:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 00:13:11,562 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 00:13:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2022-07-14 00:13:11,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2022-07-14 00:13:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2022-07-14 00:13:11,563 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2022-07-14 00:13:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2022-07-14 00:13:11,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2022-07-14 00:13:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2022-07-14 00:13:11,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2022-07-14 00:13:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-14 00:13:11,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-14 00:13:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_features [2022-07-14 00:13:11,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_features [2022-07-14 00:13:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2022-07-14 00:13:11,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2022-07-14 00:13:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2022-07-14 00:13:11,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2022-07-14 00:13:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 00:13:11,565 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 00:13:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 00:13:11,565 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 00:13:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-14 00:13:11,566 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-14 00:13:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 00:13:11,566 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 00:13:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-14 00:13:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 00:13:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-14 00:13:11,571 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-14 00:13:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 00:13:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 00:13:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 00:13:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2022-07-14 00:13:11,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2022-07-14 00:13:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 00:13:11,573 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 00:13:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2022-07-14 00:13:11,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2022-07-14 00:13:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 00:13:11,573 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 00:13:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2022-07-14 00:13:11,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2022-07-14 00:13:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2022-07-14 00:13:11,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2022-07-14 00:13:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 00:13:11,574 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 00:13:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2022-07-14 00:13:11,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2022-07-14 00:13:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2022-07-14 00:13:11,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2022-07-14 00:13:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2022-07-14 00:13:11,575 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2022-07-14 00:13:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2022-07-14 00:13:11,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2022-07-14 00:13:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 00:13:11,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 00:13:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2022-07-14 00:13:11,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2022-07-14 00:13:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 00:13:11,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 00:13:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-14 00:13:11,577 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-14 00:13:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-07-14 00:13:11,577 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-07-14 00:13:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 00:13:11,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 00:13:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-14 00:13:11,578 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-14 00:13:11,578 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2022-07-14 00:13:11,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2022-07-14 00:13:11,578 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-14 00:13:11,578 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-14 00:13:11,578 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 00:13:11,583 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 00:13:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2022-07-14 00:13:11,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2022-07-14 00:13:11,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-07-14 00:13:11,584 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2022-07-14 00:13:11,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2022-07-14 00:13:11,584 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2022-07-14 00:13:11,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2022-07-14 00:13:11,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 00:13:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-14 00:13:11,585 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-14 00:13:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 00:13:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-14 00:13:11,585 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-14 00:13:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 00:13:11,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 00:13:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 00:13:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 00:13:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 00:13:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-07-14 00:13:11,586 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-07-14 00:13:11,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 00:13:11,587 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2022-07-14 00:13:11,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2022-07-14 00:13:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2022-07-14 00:13:11,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2022-07-14 00:13:11,592 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-14 00:13:11,592 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-14 00:13:11,592 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2022-07-14 00:13:11,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2022-07-14 00:13:11,592 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-14 00:13:11,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-14 00:13:11,593 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2022-07-14 00:13:11,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2022-07-14 00:13:11,593 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2022-07-14 00:13:11,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2022-07-14 00:13:11,593 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-14 00:13:11,593 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-14 00:13:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 00:13:11,594 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 00:13:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2022-07-14 00:13:11,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2022-07-14 00:13:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2022-07-14 00:13:11,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2022-07-14 00:13:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2022-07-14 00:13:11,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2022-07-14 00:13:11,595 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-14 00:13:11,599 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-14 00:13:11,599 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 00:13:11,600 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 00:13:11,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 00:13:11,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 00:13:11,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 00:13:11,600 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-14 00:13:11,600 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-14 00:13:11,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 00:13:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 00:13:11,601 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 00:13:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 00:13:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 00:13:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 00:13:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 00:13:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 00:13:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 00:13:11,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 00:13:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 00:13:11,602 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 00:13:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-14 00:13:11,602 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-14 00:13:11,603 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2022-07-14 00:13:11,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2022-07-14 00:13:11,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2022-07-14 00:13:11,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2022-07-14 00:13:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 00:13:11,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 00:13:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2022-07-14 00:13:11,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2022-07-14 00:13:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-14 00:13:11,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-14 00:13:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 00:13:11,608 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 00:13:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 00:13:11,609 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 00:13:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 00:13:11,609 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 00:13:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-07-14 00:13:11,609 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-07-14 00:13:11,610 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-14 00:13:11,610 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-14 00:13:11,610 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-14 00:13:11,610 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-14 00:13:11,610 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-14 00:13:11,610 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-14 00:13:11,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 00:13:11,611 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-14 00:13:11,611 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-14 00:13:11,611 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 00:13:11,611 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 00:13:11,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 00:13:11,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-14 00:13:11,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-14 00:13:11,612 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_kill_vid [2022-07-14 00:13:11,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_kill_vid [2022-07-14 00:13:11,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 00:13:11,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 00:13:11,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 00:13:11,612 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-14 00:13:11,613 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-14 00:13:11,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 00:13:11,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 00:13:11,613 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_change_mtu [2022-07-14 00:13:11,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_change_mtu [2022-07-14 00:13:11,613 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-14 00:13:11,613 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-14 00:13:11,614 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 00:13:11,614 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 00:13:11,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 00:13:11,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 00:13:11,614 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2022-07-14 00:13:11,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2022-07-14 00:13:11,614 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2022-07-14 00:13:11,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2022-07-14 00:13:11,615 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_fix_features [2022-07-14 00:13:11,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_fix_features [2022-07-14 00:13:11,615 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-14 00:13:11,615 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-14 00:13:11,615 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 00:13:11,615 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 00:13:11,616 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_slot_reset [2022-07-14 00:13:11,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_slot_reset [2022-07-14 00:13:11,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-14 00:13:11,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-14 00:13:11,616 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-14 00:13:11,616 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-14 00:13:11,616 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 00:13:11,617 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 00:13:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2022-07-14 00:13:11,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2022-07-14 00:13:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-14 00:13:11,617 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-14 00:13:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 00:13:11,617 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 00:13:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_mac [2022-07-14 00:13:11,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_mac [2022-07-14 00:13:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2022-07-14 00:13:11,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2022-07-14 00:13:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 00:13:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 00:13:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 00:13:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 00:13:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 00:13:11,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 00:13:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2022-07-14 00:13:11,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2022-07-14 00:13:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 00:13:11,620 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 00:13:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2022-07-14 00:13:11,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2022-07-14 00:13:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-14 00:13:11,620 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-14 00:13:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-14 00:13:11,620 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-14 00:13:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2022-07-14 00:13:11,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2022-07-14 00:13:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-07-14 00:13:11,621 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-07-14 00:13:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-14 00:13:11,621 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-14 00:13:11,622 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2022-07-14 00:13:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2022-07-14 00:13:11,622 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2022-07-14 00:13:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2022-07-14 00:13:11,622 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2022-07-14 00:13:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2022-07-14 00:13:11,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-14 00:13:11,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-14 00:13:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2022-07-14 00:13:11,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2022-07-14 00:13:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2022-07-14 00:13:11,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2022-07-14 00:13:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-14 00:13:11,623 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-14 00:13:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_stats [2022-07-14 00:13:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_stats [2022-07-14 00:13:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-14 00:13:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-14 00:13:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-14 00:13:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-14 00:13:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-14 00:13:11,625 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-14 00:13:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-14 00:13:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2022-07-14 00:13:11,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2022-07-14 00:13:12,900 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 00:13:12,905 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 00:13:14,259 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 00:15:24,092 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 00:15:24,128 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 00:15:24,128 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-14 00:15:24,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:15:24 BoogieIcfgContainer [2022-07-14 00:15:24,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 00:15:24,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 00:15:24,138 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 00:15:24,141 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 00:15:24,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:13:02" (1/3) ... [2022-07-14 00:15:24,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e9a2bd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:15:24, skipping insertion in model container [2022-07-14 00:15:24,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:13:10" (2/3) ... [2022-07-14 00:15:24,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e9a2bd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:15:24, skipping insertion in model container [2022-07-14 00:15:24,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:15:24" (3/3) ... [2022-07-14 00:15:24,145 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 [2022-07-14 00:15:24,170 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 00:15:24,171 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 00:15:24,375 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 00:15:24,396 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@69e921bc, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1657bf83 [2022-07-14 00:15:24,397 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 00:15:24,415 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) [2022-07-14 00:15:24,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-07-14 00:15:24,459 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:15:24,460 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] [2022-07-14 00:15:24,462 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:15:24,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:15:24,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1632160076, now seen corresponding path program 1 times [2022-07-14 00:15:24,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:15:24,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [36630442] [2022-07-14 00:15:24,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:15:24,528 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:15:24,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:15:24,535 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:15:24,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 00:15:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:15:30,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 3983 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-14 00:15:30,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:15:30,564 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-07-14 00:15:30,565 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:15:30,566 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:15:30,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [36630442] [2022-07-14 00:15:30,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [36630442] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:15:30,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:15:30,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 00:15:30,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341726738] [2022-07-14 00:15:30,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:15:30,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 00:15:30,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:15:30,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 00:15:30,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 00:15:30,646 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) [2022-07-14 00:15:32,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:15:32,500 INFO L93 Difference]: Finished difference Result 6226 states and 9060 transitions. [2022-07-14 00:15:32,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 00:15:32,510 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 [2022-07-14 00:15:32,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:15:32,587 INFO L225 Difference]: With dead ends: 6226 [2022-07-14 00:15:32,587 INFO L226 Difference]: Without dead ends: 3076 [2022-07-14 00:15:32,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:15:32,661 INFO L413 NwaCegarLoop]: 4473 mSDtfsCounter, 2 mSDsluCounter, 8934 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 13407 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-14 00:15:32,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 13407 Invalid, 37 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-14 00:15:32,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3076 states. [2022-07-14 00:15:32,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3076 to 3076. [2022-07-14 00:15:32,987 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) [2022-07-14 00:15:33,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 3076 states and 4417 transitions. [2022-07-14 00:15:33,058 INFO L78 Accepts]: Start accepts. Automaton has 3076 states and 4417 transitions. Word has length 67 [2022-07-14 00:15:33,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:15:33,062 INFO L495 AbstractCegarLoop]: Abstraction has 3076 states and 4417 transitions. [2022-07-14 00:15:33,063 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) [2022-07-14 00:15:33,063 INFO L276 IsEmpty]: Start isEmpty. Operand 3076 states and 4417 transitions. [2022-07-14 00:15:33,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-07-14 00:15:33,091 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:15:33,091 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] [2022-07-14 00:15:33,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 00:15:33,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:15:33,305 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:15:33,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:15:33,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1052105849, now seen corresponding path program 1 times [2022-07-14 00:15:33,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:15:33,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1149259166] [2022-07-14 00:15:33,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:15:33,314 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:15:33,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:15:33,328 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:15:33,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 00:15:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:15:39,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 4038 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 00:15:39,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:15:39,582 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-07-14 00:15:39,587 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:15:40,841 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-07-14 00:15:40,843 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:15:40,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1149259166] [2022-07-14 00:15:40,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1149259166] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:15:40,845 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 00:15:40,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-14 00:15:40,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823605353] [2022-07-14 00:15:40,845 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 00:15:40,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 00:15:40,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:15:40,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 00:15:40,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 00:15:40,849 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) [2022-07-14 00:15:44,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:15:44,562 INFO L93 Difference]: Finished difference Result 6152 states and 8852 transitions. [2022-07-14 00:15:44,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 00:15:44,563 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 [2022-07-14 00:15:44,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:15:44,595 INFO L225 Difference]: With dead ends: 6152 [2022-07-14 00:15:44,595 INFO L226 Difference]: Without dead ends: 3087 [2022-07-14 00:15:44,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-07-14 00:15:44,620 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, 2.3s IncrementalHoareTripleChecker+Time [2022-07-14 00:15:44,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 17571 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-14 00:15:44,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3087 states. [2022-07-14 00:15:44,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3087 to 3085. [2022-07-14 00:15:44,836 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) [2022-07-14 00:15:44,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3085 states to 3085 states and 4436 transitions. [2022-07-14 00:15:44,865 INFO L78 Accepts]: Start accepts. Automaton has 3085 states and 4436 transitions. Word has length 72 [2022-07-14 00:15:44,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:15:44,866 INFO L495 AbstractCegarLoop]: Abstraction has 3085 states and 4436 transitions. [2022-07-14 00:15:44,866 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) [2022-07-14 00:15:44,867 INFO L276 IsEmpty]: Start isEmpty. Operand 3085 states and 4436 transitions. [2022-07-14 00:15:44,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-14 00:15:44,869 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:15:44,870 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] [2022-07-14 00:15:44,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 00:15:45,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:15:45,086 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:15:45,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:15:45,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1060384116, now seen corresponding path program 2 times [2022-07-14 00:15:45,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:15:45,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1794193544] [2022-07-14 00:15:45,097 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 00:15:45,098 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:15:45,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:15:45,113 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:15:45,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 00:15:50,409 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 00:15:50,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 00:15:50,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 3873 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 00:15:50,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:15:52,931 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-07-14 00:15:52,932 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:15:52,932 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:15:52,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1794193544] [2022-07-14 00:15:52,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1794193544] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:15:52,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:15:52,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 00:15:52,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688122810] [2022-07-14 00:15:52,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:15:52,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:15:52,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:15:52,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:15:52,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:15:52,934 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) [2022-07-14 00:15:54,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:15:54,743 INFO L93 Difference]: Finished difference Result 6146 states and 8860 transitions. [2022-07-14 00:15:54,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 00:15:54,756 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 [2022-07-14 00:15:54,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:15:54,843 INFO L225 Difference]: With dead ends: 6146 [2022-07-14 00:15:54,843 INFO L226 Difference]: Without dead ends: 6138 [2022-07-14 00:15:54,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-14 00:15:54,861 INFO L413 NwaCegarLoop]: 5276 mSDtfsCounter, 4373 mSDsluCounter, 14949 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4373 SdHoareTripleChecker+Valid, 20225 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-14 00:15:54,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4373 Valid, 20225 Invalid, 29 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-14 00:15:54,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6138 states. [2022-07-14 00:15:55,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6138 to 6132. [2022-07-14 00:15:55,400 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) [2022-07-14 00:15:55,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6132 states to 6132 states and 8840 transitions. [2022-07-14 00:15:55,450 INFO L78 Accepts]: Start accepts. Automaton has 6132 states and 8840 transitions. Word has length 79 [2022-07-14 00:15:55,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:15:55,452 INFO L495 AbstractCegarLoop]: Abstraction has 6132 states and 8840 transitions. [2022-07-14 00:15:55,452 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) [2022-07-14 00:15:55,453 INFO L276 IsEmpty]: Start isEmpty. Operand 6132 states and 8840 transitions. [2022-07-14 00:15:55,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2022-07-14 00:15:55,482 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:15:55,483 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] [2022-07-14 00:15:55,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 00:15:55,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:15:55,716 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:15:55,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:15:55,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1309726809, now seen corresponding path program 1 times [2022-07-14 00:15:55,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:15:55,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [191558342] [2022-07-14 00:15:55,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:15:55,723 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:15:55,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:15:55,739 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:15:55,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 00:16:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:16:04,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 5434 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 00:16:04,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:16:05,276 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 192 proven. 3 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2022-07-14 00:16:05,295 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:16:08,124 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 28 proven. 45 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-07-14 00:16:08,131 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:16:08,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [191558342] [2022-07-14 00:16:08,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [191558342] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:16:08,143 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 00:16:08,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-07-14 00:16:08,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68551175] [2022-07-14 00:16:08,144 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 00:16:08,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-14 00:16:08,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:16:08,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-14 00:16:08,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-14 00:16:08,151 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) [2022-07-14 00:16:14,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:16:14,519 INFO L93 Difference]: Finished difference Result 12291 states and 17756 transitions. [2022-07-14 00:16:14,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-14 00:16:14,521 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 [2022-07-14 00:16:14,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:16:14,579 INFO L225 Difference]: With dead ends: 12291 [2022-07-14 00:16:14,580 INFO L226 Difference]: Without dead ends: 6172 [2022-07-14 00:16:14,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 758 GetRequests, 742 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=113, Invalid=193, Unknown=0, NotChecked=0, Total=306 [2022-07-14 00:16:14,668 INFO L413 NwaCegarLoop]: 4402 mSDtfsCounter, 54 mSDsluCounter, 13182 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s 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, 3.7s IncrementalHoareTripleChecker+Time [2022-07-14 00:16:14,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 17584 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-07-14 00:16:14,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6172 states. [2022-07-14 00:16:15,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6172 to 6158. [2022-07-14 00:16:15,090 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) [2022-07-14 00:16:15,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6158 states to 6158 states and 8885 transitions. [2022-07-14 00:16:15,152 INFO L78 Accepts]: Start accepts. Automaton has 6158 states and 8885 transitions. Word has length 376 [2022-07-14 00:16:15,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:16:15,155 INFO L495 AbstractCegarLoop]: Abstraction has 6158 states and 8885 transitions. [2022-07-14 00:16:15,156 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) [2022-07-14 00:16:15,156 INFO L276 IsEmpty]: Start isEmpty. Operand 6158 states and 8885 transitions. [2022-07-14 00:16:15,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2022-07-14 00:16:15,184 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:16:15,185 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] [2022-07-14 00:16:15,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 00:16:15,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:16:15,408 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:16:15,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:16:15,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1133275865, now seen corresponding path program 2 times [2022-07-14 00:16:15,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:16:15,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1696858966] [2022-07-14 00:16:15,416 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 00:16:15,417 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:16:15,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:16:15,418 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:16:15,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process