./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.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 484c71f67ef44adda28419ba4f7367133d47a44b7b25589681c020e12726250b --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 16:38:05,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:38:05,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:38:05,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:38:05,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:38:05,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:38:05,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:38:05,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:38:05,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:38:05,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:38:05,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:38:05,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:38:05,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:38:05,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:38:05,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:38:05,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:38:05,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:38:05,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:38:05,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:38:05,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:38:05,682 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:38:05,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:38:05,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:38:05,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:38:05,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:38:05,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:38:05,703 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:38:05,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:38:05,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:38:05,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:38:05,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:38:05,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:38:05,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:38:05,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:38:05,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:38:05,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:38:05,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:38:05,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:38:05,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:38:05,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:38:05,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:38:05,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:38:05,716 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 16:38:05,742 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:38:05,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:38:05,742 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:38:05,742 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:38:05,743 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:38:05,743 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:38:05,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:38:05,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:38:05,744 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:38:05,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:38:05,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 16:38:05,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:38:05,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:38:05,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:38:05,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:38:05,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:38:05,746 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:38:05,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:38:05,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:38:05,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:38:05,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:38:05,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:38:05,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:38:05,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:38:05,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:38:05,748 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 16:38:05,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 16:38:05,749 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:38:05,749 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:38:05,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:38:05,749 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 484c71f67ef44adda28419ba4f7367133d47a44b7b25589681c020e12726250b [2022-07-12 16:38:05,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:38:05,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:38:05,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:38:05,993 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:38:05,994 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:38:05,995 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-12 16:38:06,050 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dce0e83a/6e56ecaabbe145f1b3975079a6bd8113/FLAG08ab731de [2022-07-12 16:38:06,784 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:38:06,785 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-12 16:38:06,827 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dce0e83a/6e56ecaabbe145f1b3975079a6bd8113/FLAG08ab731de [2022-07-12 16:38:07,027 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dce0e83a/6e56ecaabbe145f1b3975079a6bd8113 [2022-07-12 16:38:07,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:38:07,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:38:07,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:38:07,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:38:07,045 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:38:07,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:38:07" (1/1) ... [2022-07-12 16:38:07,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f9d9489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:38:07, skipping insertion in model container [2022-07-12 16:38:07,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:38:07" (1/1) ... [2022-07-12 16:38:07,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:38:07,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:38:10,339 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[486836,486849] [2022-07-12 16:38:10,341 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[486983,486996] [2022-07-12 16:38:10,343 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[487122,487135] [2022-07-12 16:38:10,343 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[487280,487293] [2022-07-12 16:38:10,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:38:10,448 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:38:10,702 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 [14641] 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.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) [2022-07-12 16:38:10,710 INFO L158 Benchmark]: Toolchain (without parser) took 3679.14ms. Allocated memory was 100.7MB in the beginning and 220.2MB in the end (delta: 119.5MB). Free memory was 67.4MB in the beginning and 90.5MB in the end (delta: -23.1MB). Peak memory consumption was 103.4MB. Max. memory is 16.1GB. [2022-07-12 16:38:10,710 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory was 57.4MB in the beginning and 57.4MB in the end (delta: 42.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 16:38:10,711 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3664.76ms. Allocated memory was 100.7MB in the beginning and 220.2MB in the end (delta: 119.5MB). Free memory was 67.4MB in the beginning and 90.5MB in the end (delta: -23.1MB). Peak memory consumption was 103.4MB. Max. memory is 16.1GB. [2022-07-12 16:38:10,712 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory was 57.4MB in the beginning and 57.4MB in the end (delta: 42.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3664.76ms. Allocated memory was 100.7MB in the beginning and 220.2MB in the end (delta: 119.5MB). Free memory was 67.4MB in the beginning and 90.5MB in the end (delta: -23.1MB). Peak memory consumption was 103.4MB. 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 [14641] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: eecd_reg = eecd_reg & 4294967283U [14641]: 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.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 484c71f67ef44adda28419ba4f7367133d47a44b7b25589681c020e12726250b --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 16:38:12,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:38:12,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:38:12,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:38:12,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:38:12,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:38:12,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:38:12,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:38:12,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:38:12,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:38:12,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:38:12,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:38:12,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:38:12,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:38:12,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:38:12,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:38:12,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:38:12,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:38:12,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:38:12,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:38:12,301 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:38:12,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:38:12,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:38:12,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:38:12,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:38:12,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:38:12,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:38:12,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:38:12,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:38:12,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:38:12,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:38:12,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:38:12,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:38:12,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:38:12,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:38:12,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:38:12,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:38:12,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:38:12,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:38:12,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:38:12,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:38:12,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:38:12,326 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 16:38:12,350 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:38:12,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:38:12,351 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:38:12,351 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:38:12,352 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:38:12,352 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:38:12,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:38:12,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:38:12,353 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:38:12,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:38:12,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:38:12,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:38:12,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:38:12,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:38:12,354 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 16:38:12,354 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 16:38:12,354 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 16:38:12,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:38:12,355 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:38:12,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:38:12,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:38:12,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:38:12,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:38:12,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:38:12,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:38:12,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:38:12,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:38:12,356 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 16:38:12,356 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 16:38:12,356 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:38:12,357 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:38:12,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:38:12,357 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 16:38:12,357 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 484c71f67ef44adda28419ba4f7367133d47a44b7b25589681c020e12726250b [2022-07-12 16:38:12,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:38:12,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:38:12,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:38:12,662 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:38:12,662 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:38:12,664 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-12 16:38:12,723 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ebe1fcc1/494c741727e04c95a376dab54cb5d9e3/FLAGfe8c3fdaf [2022-07-12 16:38:13,472 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:38:13,472 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-12 16:38:13,521 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ebe1fcc1/494c741727e04c95a376dab54cb5d9e3/FLAGfe8c3fdaf [2022-07-12 16:38:14,023 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ebe1fcc1/494c741727e04c95a376dab54cb5d9e3 [2022-07-12 16:38:14,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:38:14,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:38:14,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:38:14,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:38:14,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:38:14,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:38:14" (1/1) ... [2022-07-12 16:38:14,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34654977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:38:14, skipping insertion in model container [2022-07-12 16:38:14,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:38:14" (1/1) ... [2022-07-12 16:38:14,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:38:14,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:38:16,817 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[486836,486849] [2022-07-12 16:38:16,820 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[486983,486996] [2022-07-12 16:38:16,820 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[487122,487135] [2022-07-12 16:38:16,821 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[487280,487293] [2022-07-12 16:38:16,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:38:16,927 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 16:38:17,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:38:17,394 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[486836,486849] [2022-07-12 16:38:17,395 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[486983,486996] [2022-07-12 16:38:17,398 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[487122,487135] [2022-07-12 16:38:17,399 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[487280,487293] [2022-07-12 16:38:17,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:38:17,445 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:38:17,798 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[486836,486849] [2022-07-12 16:38:17,799 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[486983,486996] [2022-07-12 16:38:17,800 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[487122,487135] [2022-07-12 16:38:17,802 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[487280,487293] [2022-07-12 16:38:17,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:38:18,001 INFO L208 MainTranslator]: Completed translation [2022-07-12 16:38:18,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:38:18 WrapperNode [2022-07-12 16:38:18,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 16:38:18,003 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 16:38:18,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 16:38:18,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 16:38:18,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:38:18" (1/1) ... [2022-07-12 16:38:18,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:38:18" (1/1) ... [2022-07-12 16:38:18,350 INFO L137 Inliner]: procedures = 494, calls = 6076, calls flagged for inlining = 277, calls inlined = 258, statements flattened = 11688 [2022-07-12 16:38:18,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 16:38:18,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 16:38:18,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 16:38:18,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 16:38:18,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:38:18" (1/1) ... [2022-07-12 16:38:18,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:38:18" (1/1) ... [2022-07-12 16:38:18,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:38:18" (1/1) ... [2022-07-12 16:38:18,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:38:18" (1/1) ... [2022-07-12 16:38:18,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:38:18" (1/1) ... [2022-07-12 16:38:18,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:38:18" (1/1) ... [2022-07-12 16:38:18,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:38:18" (1/1) ... [2022-07-12 16:38:18,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 16:38:18,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 16:38:18,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 16:38:18,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 16:38:18,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:38:18" (1/1) ... [2022-07-12 16:38:18,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:38:18,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 16:38:18,717 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) [2022-07-12 16:38:18,737 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 [2022-07-12 16:38:18,750 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 16:38:18,750 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 16:38:18,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 16:38:18,750 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 16:38:18,750 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 16:38:18,750 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 16:38:18,751 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2022-07-12 16:38:18,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2022-07-12 16:38:18,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 16:38:18,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 16:38:18,751 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2022-07-12 16:38:18,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2022-07-12 16:38:18,751 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-12 16:38:18,751 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-12 16:38:18,752 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 16:38:18,752 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 16:38:18,752 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-12 16:38:18,752 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-12 16:38:18,752 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 16:38:18,752 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 16:38:18,753 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2022-07-12 16:38:18,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2022-07-12 16:38:18,753 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2022-07-12 16:38:18,753 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2022-07-12 16:38:18,753 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2022-07-12 16:38:18,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2022-07-12 16:38:18,753 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2022-07-12 16:38:18,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2022-07-12 16:38:18,754 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-12 16:38:18,754 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-12 16:38:18,754 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2022-07-12 16:38:18,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2022-07-12 16:38:18,754 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-12 16:38:18,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-12 16:38:18,755 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2022-07-12 16:38:18,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2022-07-12 16:38:18,755 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 16:38:18,755 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 16:38:18,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 16:38:18,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 16:38:18,756 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 16:38:18,756 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 16:38:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-12 16:38:18,757 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-12 16:38:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2022-07-12 16:38:18,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2022-07-12 16:38:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 16:38:18,757 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 16:38:18,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 16:38:18,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 16:38:18,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 16:38:18,758 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-12 16:38:18,758 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-12 16:38:18,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 16:38:18,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 16:38:18,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 16:38:18,759 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2022-07-12 16:38:18,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2022-07-12 16:38:18,759 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 16:38:18,760 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 16:38:18,760 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2022-07-12 16:38:18,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2022-07-12 16:38:18,760 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 16:38:18,760 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 16:38:18,760 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2022-07-12 16:38:18,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2022-07-12 16:38:18,761 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2022-07-12 16:38:18,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2022-07-12 16:38:18,761 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 16:38:18,761 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 16:38:18,761 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2022-07-12 16:38:18,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2022-07-12 16:38:18,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 16:38:18,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 16:38:18,762 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2022-07-12 16:38:18,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2022-07-12 16:38:18,762 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2022-07-12 16:38:18,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2022-07-12 16:38:18,762 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-12 16:38:18,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-12 16:38:18,767 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2022-07-12 16:38:18,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2022-07-12 16:38:18,767 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 16:38:18,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 16:38:18,767 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-07-12 16:38:18,768 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-07-12 16:38:18,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 16:38:18,768 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 16:38:18,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-12 16:38:18,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-12 16:38:18,768 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-12 16:38:18,768 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-12 16:38:18,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 16:38:18,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 16:38:18,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 16:38:18,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 16:38:18,769 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2022-07-12 16:38:18,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2022-07-12 16:38:18,769 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-12 16:38:18,769 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-12 16:38:18,769 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 16:38:18,770 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 16:38:18,770 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2022-07-12 16:38:18,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2022-07-12 16:38:18,770 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2022-07-12 16:38:18,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2022-07-12 16:38:18,770 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2022-07-12 16:38:18,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2022-07-12 16:38:18,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 16:38:18,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 16:38:18,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 16:38:18,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 16:38:18,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 16:38:18,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-12 16:38:18,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-12 16:38:18,771 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-12 16:38:18,771 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-12 16:38:18,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 16:38:18,772 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-12 16:38:18,772 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-12 16:38:18,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 16:38:18,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 16:38:18,772 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 16:38:18,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 16:38:18,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 16:38:18,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 16:38:18,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 16:38:18,772 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:38:18,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:38:18,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 16:38:18,773 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2022-07-12 16:38:18,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2022-07-12 16:38:18,773 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2022-07-12 16:38:18,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2022-07-12 16:38:18,773 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2022-07-12 16:38:18,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2022-07-12 16:38:18,773 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-12 16:38:18,774 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-12 16:38:18,774 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2022-07-12 16:38:18,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2022-07-12 16:38:18,774 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-12 16:38:18,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-12 16:38:18,774 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2022-07-12 16:38:18,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2022-07-12 16:38:18,774 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2022-07-12 16:38:18,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2022-07-12 16:38:18,774 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-12 16:38:18,775 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-12 16:38:18,775 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 16:38:18,775 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 16:38:18,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 16:38:18,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 16:38:18,775 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2022-07-12 16:38:18,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2022-07-12 16:38:18,775 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2022-07-12 16:38:18,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2022-07-12 16:38:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2022-07-12 16:38:18,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2022-07-12 16:38:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-12 16:38:18,776 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-12 16:38:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 16:38:18,776 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 16:38:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 16:38:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2022-07-12 16:38:18,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2022-07-12 16:38:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 16:38:18,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 16:38:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-12 16:38:18,777 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-12 16:38:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 16:38:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 16:38:18,777 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 16:38:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 16:38:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 16:38:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 16:38:18,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 16:38:18,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 16:38:18,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 16:38:18,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 16:38:18,778 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 16:38:18,778 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 16:38:18,778 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-12 16:38:18,778 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-12 16:38:18,778 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2022-07-12 16:38:18,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2022-07-12 16:38:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-12 16:38:18,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-12 16:38:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2022-07-12 16:38:18,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2022-07-12 16:38:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-12 16:38:18,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-12 16:38:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 16:38:18,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 16:38:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 16:38:18,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 16:38:18,780 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-07-12 16:38:18,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-07-12 16:38:18,780 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2022-07-12 16:38:18,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2022-07-12 16:38:18,780 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-12 16:38:18,780 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-12 16:38:18,780 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-12 16:38:18,780 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-12 16:38:18,780 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 16:38:18,781 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 16:38:18,781 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-12 16:38:18,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-12 16:38:18,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 16:38:18,781 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-12 16:38:18,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-12 16:38:18,781 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 16:38:18,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 16:38:18,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 16:38:18,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 16:38:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 16:38:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 16:38:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-12 16:38:18,782 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-12 16:38:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 16:38:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 16:38:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-12 16:38:18,782 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-12 16:38:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 16:38:18,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 16:38:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 16:38:18,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 16:38:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2022-07-12 16:38:18,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2022-07-12 16:38:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2022-07-12 16:38:18,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2022-07-12 16:38:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-12 16:38:18,783 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-12 16:38:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-12 16:38:18,784 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-12 16:38:18,784 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 16:38:18,784 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 16:38:18,784 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-12 16:38:18,784 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-12 16:38:18,784 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 16:38:18,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 16:38:18,784 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 16:38:18,784 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 16:38:18,784 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2022-07-12 16:38:18,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2022-07-12 16:38:18,785 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-12 16:38:18,785 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-12 16:38:18,785 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 16:38:18,785 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 16:38:18,785 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2022-07-12 16:38:18,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2022-07-12 16:38:18,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 16:38:18,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 16:38:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 16:38:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 16:38:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 16:38:18,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 16:38:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2022-07-12 16:38:18,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2022-07-12 16:38:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 16:38:18,786 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 16:38:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2022-07-12 16:38:18,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2022-07-12 16:38:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-12 16:38:18,787 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-12 16:38:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-12 16:38:18,787 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-12 16:38:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2022-07-12 16:38:18,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2022-07-12 16:38:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-07-12 16:38:18,787 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-07-12 16:38:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-12 16:38:18,787 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-12 16:38:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2022-07-12 16:38:18,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2022-07-12 16:38:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2022-07-12 16:38:18,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2022-07-12 16:38:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2022-07-12 16:38:18,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2022-07-12 16:38:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2022-07-12 16:38:18,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2022-07-12 16:38:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2022-07-12 16:38:18,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2022-07-12 16:38:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 16:38:18,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 16:38:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-12 16:38:18,789 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-12 16:38:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-12 16:38:18,789 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-12 16:38:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-12 16:38:18,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-12 16:38:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-12 16:38:18,789 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-12 16:38:18,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 16:38:18,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 16:38:18,790 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-12 16:38:18,790 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2022-07-12 16:38:18,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2022-07-12 16:38:19,867 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 16:38:19,870 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 16:38:20,528 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 16:40:43,221 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 16:40:48,108 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 16:40:48,128 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 16:40:48,129 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 16:40:48,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:40:48 BoogieIcfgContainer [2022-07-12 16:40:48,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 16:40:48,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 16:40:48,134 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 16:40:48,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 16:40:48,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 04:38:14" (1/3) ... [2022-07-12 16:40:48,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@374c45c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:40:48, skipping insertion in model container [2022-07-12 16:40:48,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:38:18" (2/3) ... [2022-07-12 16:40:48,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@374c45c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:40:48, skipping insertion in model container [2022-07-12 16:40:48,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:40:48" (3/3) ... [2022-07-12 16:40:48,138 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-12 16:40:48,147 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 16:40:48,147 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-12 16:40:48,277 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 16:40:48,285 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@153f8870, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7992f644 [2022-07-12 16:40:48,285 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-12 16:40:48,297 INFO L276 IsEmpty]: Start isEmpty. Operand has 3294 states, 2239 states have (on average 1.2621706118803038) internal successors, (2826), 2274 states have internal predecessors, (2826), 921 states have call successors, (921), 133 states have call predecessors, (921), 132 states have return successors, (916), 906 states have call predecessors, (916), 916 states have call successors, (916) [2022-07-12 16:40:48,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-07-12 16:40:48,320 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:40:48,321 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:40:48,321 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:40:48,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:40:48,328 INFO L85 PathProgramCache]: Analyzing trace with hash -55023453, now seen corresponding path program 1 times [2022-07-12 16:40:48,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:40:48,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2086777555] [2022-07-12 16:40:48,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:40:48,344 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:40:48,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:40:48,346 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) [2022-07-12 16:40:48,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 16:40:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:52,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 4223 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:40:52,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:40:52,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-12 16:40:52,474 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:40:52,475 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:40:52,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2086777555] [2022-07-12 16:40:52,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2086777555] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:40:52,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:40:52,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:40:52,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472572881] [2022-07-12 16:40:52,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:40:52,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:40:52,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:40:52,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:40:52,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:40:52,502 INFO L87 Difference]: Start difference. First operand has 3294 states, 2239 states have (on average 1.2621706118803038) internal successors, (2826), 2274 states have internal predecessors, (2826), 921 states have call successors, (921), 133 states have call predecessors, (921), 132 states have return successors, (916), 906 states have call predecessors, (916), 916 states have call successors, (916) Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-12 16:40:53,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:40:53,262 INFO L93 Difference]: Finished difference Result 9747 states and 13977 transitions. [2022-07-12 16:40:53,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:40:53,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 199 [2022-07-12 16:40:53,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:40:53,324 INFO L225 Difference]: With dead ends: 9747 [2022-07-12 16:40:53,324 INFO L226 Difference]: Without dead ends: 6457 [2022-07-12 16:40:53,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:40:53,365 INFO L413 NwaCegarLoop]: 5540 mSDtfsCounter, 4540 mSDsluCounter, 4595 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4540 SdHoareTripleChecker+Valid, 10135 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 16:40:53,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4540 Valid, 10135 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 16:40:53,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6457 states. [2022-07-12 16:40:53,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6457 to 6455. [2022-07-12 16:40:53,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6455 states, 4392 states have (on average 1.252504553734062) internal successors, (5501), 4460 states have internal predecessors, (5501), 1799 states have call successors, (1799), 263 states have call predecessors, (1799), 262 states have return successors, (1797), 1777 states have call predecessors, (1797), 1797 states have call successors, (1797) [2022-07-12 16:40:53,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6455 states to 6455 states and 9097 transitions. [2022-07-12 16:40:53,803 INFO L78 Accepts]: Start accepts. Automaton has 6455 states and 9097 transitions. Word has length 199 [2022-07-12 16:40:53,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:40:53,805 INFO L495 AbstractCegarLoop]: Abstraction has 6455 states and 9097 transitions. [2022-07-12 16:40:53,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-12 16:40:53,809 INFO L276 IsEmpty]: Start isEmpty. Operand 6455 states and 9097 transitions. [2022-07-12 16:40:53,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-07-12 16:40:53,817 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:40:53,818 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:40:53,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 16:40:54,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:40:54,032 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:40:54,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:40:54,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1057590409, now seen corresponding path program 1 times [2022-07-12 16:40:54,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:40:54,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1545033570] [2022-07-12 16:40:54,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:40:54,036 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:40:54,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:40:54,037 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) [2022-07-12 16:40:54,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 16:40:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:57,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 4308 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:40:57,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:40:58,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-12 16:40:58,509 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:40:58,509 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:40:58,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1545033570] [2022-07-12 16:40:58,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1545033570] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:40:58,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:40:58,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:40:58,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136999831] [2022-07-12 16:40:58,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:40:58,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:40:58,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:40:58,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:40:58,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:40:58,514 INFO L87 Difference]: Start difference. First operand 6455 states and 9097 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-12 16:41:00,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:41:00,230 INFO L93 Difference]: Finished difference Result 15039 states and 21186 transitions. [2022-07-12 16:41:00,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:41:00,230 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 223 [2022-07-12 16:41:00,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:41:00,280 INFO L225 Difference]: With dead ends: 15039 [2022-07-12 16:41:00,280 INFO L226 Difference]: Without dead ends: 8621 [2022-07-12 16:41:00,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:41:00,306 INFO L413 NwaCegarLoop]: 5512 mSDtfsCounter, 3757 mSDsluCounter, 4537 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3757 SdHoareTripleChecker+Valid, 10049 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 16:41:00,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3757 Valid, 10049 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 16:41:00,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8621 states. [2022-07-12 16:41:00,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8621 to 8614. [2022-07-12 16:41:00,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8614 states, 5836 states have (on average 1.2433173406442768) internal successors, (7256), 5918 states have internal predecessors, (7256), 2425 states have call successors, (2425), 352 states have call predecessors, (2425), 351 states have return successors, (2423), 2400 states have call predecessors, (2423), 2423 states have call successors, (2423) [2022-07-12 16:41:00,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8614 states to 8614 states and 12104 transitions. [2022-07-12 16:41:00,668 INFO L78 Accepts]: Start accepts. Automaton has 8614 states and 12104 transitions. Word has length 223 [2022-07-12 16:41:00,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:41:00,671 INFO L495 AbstractCegarLoop]: Abstraction has 8614 states and 12104 transitions. [2022-07-12 16:41:00,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-12 16:41:00,672 INFO L276 IsEmpty]: Start isEmpty. Operand 8614 states and 12104 transitions. [2022-07-12 16:41:00,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-07-12 16:41:00,677 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:41:00,677 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 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] [2022-07-12 16:41:00,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 16:41:00,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:41:00,892 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:41:00,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:41:00,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1013556946, now seen corresponding path program 1 times [2022-07-12 16:41:00,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:41:00,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1266749574] [2022-07-12 16:41:00,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:41:00,895 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:41:00,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:41:00,896 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) [2022-07-12 16:41:00,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 16:41:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:04,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 4344 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:41:04,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:41:04,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 1245 trivial. 0 not checked. [2022-07-12 16:41:04,983 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:41:04,983 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:41:04,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1266749574] [2022-07-12 16:41:04,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1266749574] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:41:04,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:41:04,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:41:04,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126733035] [2022-07-12 16:41:04,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:41:04,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:41:04,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:41:04,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:41:04,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:41:04,986 INFO L87 Difference]: Start difference. First operand 8614 states and 12104 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-12 16:41:05,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:41:05,755 INFO L93 Difference]: Finished difference Result 20388 states and 28656 transitions. [2022-07-12 16:41:05,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:41:05,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 251 [2022-07-12 16:41:05,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:41:05,868 INFO L225 Difference]: With dead ends: 20388 [2022-07-12 16:41:05,868 INFO L226 Difference]: Without dead ends: 14454 [2022-07-12 16:41:05,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:41:05,908 INFO L413 NwaCegarLoop]: 8243 mSDtfsCounter, 4503 mSDsluCounter, 4579 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4503 SdHoareTripleChecker+Valid, 12822 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 16:41:05,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4503 Valid, 12822 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 16:41:05,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14454 states. [2022-07-12 16:41:06,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14454 to 14448. [2022-07-12 16:41:06,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14448 states, 9797 states have (on average 1.2450750229662142) internal successors, (12198), 9934 states have internal predecessors, (12198), 4059 states have call successors, (4059), 591 states have call predecessors, (4059), 590 states have return successors, (4057), 4019 states have call predecessors, (4057), 4057 states have call successors, (4057) [2022-07-12 16:41:06,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14448 states to 14448 states and 20314 transitions. [2022-07-12 16:41:06,685 INFO L78 Accepts]: Start accepts. Automaton has 14448 states and 20314 transitions. Word has length 251 [2022-07-12 16:41:06,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:41:06,686 INFO L495 AbstractCegarLoop]: Abstraction has 14448 states and 20314 transitions. [2022-07-12 16:41:06,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-12 16:41:06,687 INFO L276 IsEmpty]: Start isEmpty. Operand 14448 states and 20314 transitions. [2022-07-12 16:41:06,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-07-12 16:41:06,692 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:41:06,693 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 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] [2022-07-12 16:41:06,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 16:41:06,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:41:06,908 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:41:06,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:41:06,908 INFO L85 PathProgramCache]: Analyzing trace with hash 195908496, now seen corresponding path program 1 times [2022-07-12 16:41:06,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:41:06,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1350903995] [2022-07-12 16:41:06,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:41:06,912 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:41:06,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:41:06,913 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) [2022-07-12 16:41:06,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 16:41:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:10,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 4344 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 16:41:10,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:41:17,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2022-07-12 16:41:17,851 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:41:17,851 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:41:17,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1350903995] [2022-07-12 16:41:17,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1350903995] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:41:17,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:41:17,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 16:41:17,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966788548] [2022-07-12 16:41:17,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:41:17,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 16:41:17,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:41:17,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 16:41:17,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 16:41:17,852 INFO L87 Difference]: Start difference. First operand 14448 states and 20314 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-07-12 16:41:18,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:41:18,510 INFO L93 Difference]: Finished difference Result 14448 states and 20314 transitions. [2022-07-12 16:41:18,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 16:41:18,511 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 251 [2022-07-12 16:41:18,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:41:18,618 INFO L225 Difference]: With dead ends: 14448 [2022-07-12 16:41:18,619 INFO L226 Difference]: Without dead ends: 11769 [2022-07-12 16:41:18,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:41:18,630 INFO L413 NwaCegarLoop]: 4601 mSDtfsCounter, 4498 mSDsluCounter, 4601 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4498 SdHoareTripleChecker+Valid, 9202 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-12 16:41:18,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4498 Valid, 9202 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-12 16:41:18,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11769 states. [2022-07-12 16:41:19,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11769 to 11769. [2022-07-12 16:41:19,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11769 states, 7988 states have (on average 1.2458688032048073) internal successors, (9952), 8099 states have internal predecessors, (9952), 3298 states have call successors, (3298), 482 states have call predecessors, (3298), 482 states have return successors, (3298), 3267 states have call predecessors, (3298), 3298 states have call successors, (3298) [2022-07-12 16:41:19,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11769 states to 11769 states and 16548 transitions. [2022-07-12 16:41:19,147 INFO L78 Accepts]: Start accepts. Automaton has 11769 states and 16548 transitions. Word has length 251 [2022-07-12 16:41:19,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:41:19,148 INFO L495 AbstractCegarLoop]: Abstraction has 11769 states and 16548 transitions. [2022-07-12 16:41:19,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-07-12 16:41:19,149 INFO L276 IsEmpty]: Start isEmpty. Operand 11769 states and 16548 transitions. [2022-07-12 16:41:19,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-07-12 16:41:19,161 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:41:19,161 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 5, 5, 5, 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] [2022-07-12 16:41:19,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-12 16:41:19,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:41:19,378 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:41:19,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:41:19,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1064779937, now seen corresponding path program 1 times [2022-07-12 16:41:19,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:41:19,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1422457127] [2022-07-12 16:41:19,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:41:19,383 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:41:19,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:41:19,384 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) [2022-07-12 16:41:19,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 16:41:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:23,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 4446 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:41:23,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:41:24,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1333 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1194 trivial. 0 not checked. [2022-07-12 16:41:24,495 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:41:24,495 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:41:24,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1422457127] [2022-07-12 16:41:24,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1422457127] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:41:24,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:41:24,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:41:24,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038746293] [2022-07-12 16:41:24,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:41:24,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:41:24,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:41:24,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:41:24,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:41:24,497 INFO L87 Difference]: Start difference. First operand 11769 states and 16548 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-12 16:41:26,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:41:26,169 INFO L93 Difference]: Finished difference Result 26186 states and 36832 transitions. [2022-07-12 16:41:26,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:41:26,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 283 [2022-07-12 16:41:26,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:41:26,249 INFO L225 Difference]: With dead ends: 26186 [2022-07-12 16:41:26,249 INFO L226 Difference]: Without dead ends: 17097 [2022-07-12 16:41:26,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:41:26,285 INFO L413 NwaCegarLoop]: 8316 mSDtfsCounter, 3720 mSDsluCounter, 4510 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3720 SdHoareTripleChecker+Valid, 12826 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 16:41:26,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3720 Valid, 12826 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 16:41:26,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17097 states. [2022-07-12 16:41:26,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17097 to 17096. [2022-07-12 16:41:26,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17096 states, 11590 states have (on average 1.243658326143227) internal successors, (14414), 11746 states have internal predecessors, (14414), 4804 states have call successors, (4804), 701 states have call predecessors, (4804), 701 states have return successors, (4804), 4762 states have call predecessors, (4804), 4804 states have call successors, (4804) [2022-07-12 16:41:27,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17096 states to 17096 states and 24022 transitions. [2022-07-12 16:41:27,026 INFO L78 Accepts]: Start accepts. Automaton has 17096 states and 24022 transitions. Word has length 283 [2022-07-12 16:41:27,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:41:27,027 INFO L495 AbstractCegarLoop]: Abstraction has 17096 states and 24022 transitions. [2022-07-12 16:41:27,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-12 16:41:27,028 INFO L276 IsEmpty]: Start isEmpty. Operand 17096 states and 24022 transitions. [2022-07-12 16:41:27,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2022-07-12 16:41:27,056 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:41:27,056 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 16, 16, 16, 16, 16, 16, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:41:27,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 16:41:27,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:41:27,284 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:41:27,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:41:27,284 INFO L85 PathProgramCache]: Analyzing trace with hash -2108861199, now seen corresponding path program 1 times [2022-07-12 16:41:27,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:41:27,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1195219098] [2022-07-12 16:41:27,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:41:27,288 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:41:27,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:41:27,290 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:41:27,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 16:41:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:31,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 4586 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:41:31,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:41:32,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1595 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 1476 trivial. 0 not checked. [2022-07-12 16:41:32,249 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:41:32,249 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:41:32,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1195219098] [2022-07-12 16:41:32,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1195219098] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:41:32,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:41:32,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:41:32,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037692787] [2022-07-12 16:41:32,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:41:32,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:41:32,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:41:32,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:41:32,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:41:32,251 INFO L87 Difference]: Start difference. First operand 17096 states and 24022 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-12 16:41:34,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:41:34,010 INFO L93 Difference]: Finished difference Result 36834 states and 51766 transitions. [2022-07-12 16:41:34,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:41:34,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 357 [2022-07-12 16:41:34,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:41:34,082 INFO L225 Difference]: With dead ends: 36834 [2022-07-12 16:41:34,082 INFO L226 Difference]: Without dead ends: 19776 [2022-07-12 16:41:34,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:41:34,125 INFO L413 NwaCegarLoop]: 8322 mSDtfsCounter, 3735 mSDsluCounter, 4517 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3735 SdHoareTripleChecker+Valid, 12839 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-12 16:41:34,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3735 Valid, 12839 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-12 16:41:34,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19776 states. [2022-07-12 16:41:34,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19776 to 19775. [2022-07-12 16:41:34,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19775 states, 13401 states have (on average 1.2426684575777927) internal successors, (16653), 13580 states have internal predecessors, (16653), 5561 states have call successors, (5561), 812 states have call predecessors, (5561), 812 states have return successors, (5561), 5513 states have call predecessors, (5561), 5561 states have call successors, (5561) [2022-07-12 16:41:34,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19775 states to 19775 states and 27775 transitions. [2022-07-12 16:41:34,861 INFO L78 Accepts]: Start accepts. Automaton has 19775 states and 27775 transitions. Word has length 357 [2022-07-12 16:41:34,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:41:34,862 INFO L495 AbstractCegarLoop]: Abstraction has 19775 states and 27775 transitions. [2022-07-12 16:41:34,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-12 16:41:34,862 INFO L276 IsEmpty]: Start isEmpty. Operand 19775 states and 27775 transitions. [2022-07-12 16:41:34,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2022-07-12 16:41:34,892 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:41:34,892 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 16, 16, 16, 16, 16, 16, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:41:34,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 16:41:35,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:41:35,108 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:41:35,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:41:35,108 INFO L85 PathProgramCache]: Analyzing trace with hash 136718255, now seen corresponding path program 1 times [2022-07-12 16:41:35,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:41:35,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [596793569] [2022-07-12 16:41:35,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:41:35,112 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:41:35,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:41:35,114 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:41:35,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 16:41:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:39,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 4586 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 16:41:39,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:41:48,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1595 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2022-07-12 16:41:48,734 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:41:48,734 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:41:48,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [596793569] [2022-07-12 16:41:48,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [596793569] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:41:48,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:41:48,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 16:41:48,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806566581] [2022-07-12 16:41:48,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:41:48,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 16:41:48,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:41:48,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 16:41:48,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 16:41:48,735 INFO L87 Difference]: Start difference. First operand 19775 states and 27775 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2022-07-12 16:41:54,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:41:54,917 INFO L93 Difference]: Finished difference Result 25298 states and 36085 transitions. [2022-07-12 16:41:54,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 16:41:54,918 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 357 [2022-07-12 16:41:54,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:41:54,923 INFO L225 Difference]: With dead ends: 25298 [2022-07-12 16:41:54,923 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 16:41:54,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:41:54,983 INFO L413 NwaCegarLoop]: 5980 mSDtfsCounter, 5810 mSDsluCounter, 4897 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 322 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5810 SdHoareTripleChecker+Valid, 10877 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 322 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-07-12 16:41:54,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5810 Valid, 10877 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [322 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-07-12 16:41:54,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 16:41:54,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 16:41:54,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 16:41:54,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 16:41:54,988 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 357 [2022-07-12 16:41:54,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:41:54,988 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 16:41:54,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2022-07-12 16:41:54,989 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 16:41:54,989 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 16:41:54,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-07-12 16:41:54,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-07-12 16:41:55,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-12 16:41:55,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:41:55,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.