./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 f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-f4b24e3 [2022-07-14 04:19:49,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:19:49,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:19:49,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:19:49,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:19:49,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:19:49,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:19:49,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:19:49,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:19:49,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:19:49,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:19:49,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:19:49,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:19:49,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:19:49,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:19:49,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:19:49,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:19:49,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:19:49,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:19:49,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:19:49,898 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:19:49,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:19:49,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:19:49,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:19:49,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:19:49,907 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:19:49,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:19:49,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:19:49,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:19:49,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:19:49,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:19:49,912 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:19:49,913 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:19:49,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:19:49,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:19:49,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:19:49,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:19:49,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:19:49,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:19:49,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:19:49,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:19:49,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:19:49,920 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 04:19:49,942 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:19:49,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:19:49,947 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:19:49,947 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:19:49,948 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:19:49,948 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:19:49,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:19:49,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:19:49,949 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:19:49,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:19:49,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 04:19:49,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:19:49,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:19:49,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:19:49,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:19:49,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:19:49,951 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:19:49,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:19:49,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:19:49,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:19:49,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:19:49,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:19:49,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:19:49,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:19:49,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:19:49,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 04:19:49,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 04:19:49,953 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:19:49,953 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:19:49,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:19:49,953 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 484c71f67ef44adda28419ba4f7367133d47a44b7b25589681c020e12726250b [2022-07-14 04:19:50,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:19:50,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:19:50,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:19:50,183 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:19:50,184 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:19:50,185 INFO L432 ainManager$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 [2022-07-14 04:19:50,238 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cba0e1801/165f1415552d4e6ea7c8d152a04a7a71/FLAG77e2f4003 [2022-07-14 04:19:50,939 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:19:50,939 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 [2022-07-14 04:19:51,001 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cba0e1801/165f1415552d4e6ea7c8d152a04a7a71/FLAG77e2f4003 [2022-07-14 04:19:51,484 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cba0e1801/165f1415552d4e6ea7c8d152a04a7a71 [2022-07-14 04:19:51,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:19:51,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:19:51,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:19:51,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:19:51,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:19:51,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:19:51" (1/1) ... [2022-07-14 04:19:51,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ddf2084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:19:51, skipping insertion in model container [2022-07-14 04:19:51,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:19:51" (1/1) ... [2022-07-14 04:19:51,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:19:51,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:19:54,850 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] [2022-07-14 04:19:54,853 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] [2022-07-14 04:19:54,853 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] [2022-07-14 04:19:54,854 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] [2022-07-14 04:19:54,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:19:54,985 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:19:55,304 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) [2022-07-14 04:19:55,312 INFO L158 Benchmark]: Toolchain (without parser) took 3823.68ms. Allocated memory was 107.0MB in the beginning and 222.3MB in the end (delta: 115.3MB). Free memory was 57.8MB in the beginning and 107.5MB in the end (delta: -49.7MB). Peak memory consumption was 96.0MB. Max. memory is 16.1GB. [2022-07-14 04:19:55,313 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 107.0MB. Free memory was 63.1MB in the beginning and 63.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 04:19:55,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3820.62ms. Allocated memory was 107.0MB in the beginning and 222.3MB in the end (delta: 115.3MB). Free memory was 57.6MB in the beginning and 107.5MB in the end (delta: -50.0MB). Peak memory consumption was 96.0MB. Max. memory is 16.1GB. [2022-07-14 04:19:55,315 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 107.0MB. Free memory was 63.1MB in the beginning and 63.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3820.62ms. Allocated memory was 107.0MB in the beginning and 222.3MB in the end (delta: 115.3MB). Free memory was 57.6MB in the beginning and 107.5MB in the end (delta: -50.0MB). Peak memory consumption was 96.0MB. 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-?-f4b24e3 [2022-07-14 04:19:56,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:19:56,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:19:56,848 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:19:56,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:19:56,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:19:56,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:19:56,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:19:56,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:19:56,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:19:56,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:19:56,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:19:56,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:19:56,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:19:56,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:19:56,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:19:56,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:19:56,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:19:56,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:19:56,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:19:56,882 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:19:56,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:19:56,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:19:56,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:19:56,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:19:56,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:19:56,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:19:56,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:19:56,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:19:56,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:19:56,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:19:56,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:19:56,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:19:56,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:19:56,891 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:19:56,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:19:56,892 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:19:56,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:19:56,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:19:56,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:19:56,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:19:56,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:19:56,895 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 04:19:56,928 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:19:56,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:19:56,930 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:19:56,930 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:19:56,931 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:19:56,931 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:19:56,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:19:56,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:19:56,932 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:19:56,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:19:56,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:19:56,933 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:19:56,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:19:56,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:19:56,934 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 04:19:56,934 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 04:19:56,934 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 04:19:56,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:19:56,934 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:19:56,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:19:56,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:19:56,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:19:56,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:19:56,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:19:56,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:19:56,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:19:56,936 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:19:56,936 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 04:19:56,936 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 04:19:56,936 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:19:56,937 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:19:56,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:19:56,937 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 04:19:56,937 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 484c71f67ef44adda28419ba4f7367133d47a44b7b25589681c020e12726250b [2022-07-14 04:19:57,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:19:57,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:19:57,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:19:57,244 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:19:57,245 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:19:57,246 INFO L432 ainManager$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 [2022-07-14 04:19:57,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d61f3ebd1/f8bbd2a03d2c4052aa5bdb9561fa479c/FLAG76260e67b [2022-07-14 04:19:57,978 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:19:57,979 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 [2022-07-14 04:19:58,024 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d61f3ebd1/f8bbd2a03d2c4052aa5bdb9561fa479c/FLAG76260e67b [2022-07-14 04:19:58,051 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d61f3ebd1/f8bbd2a03d2c4052aa5bdb9561fa479c [2022-07-14 04:19:58,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:19:58,055 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:19:58,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:19:58,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:19:58,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:19:58,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:19:58" (1/1) ... [2022-07-14 04:19:58,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a314c16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:19:58, skipping insertion in model container [2022-07-14 04:19:58,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:19:58" (1/1) ... [2022-07-14 04:19:58,064 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:19:58,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:20:01,296 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] [2022-07-14 04:20:01,298 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] [2022-07-14 04:20:01,298 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] [2022-07-14 04:20:01,299 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] [2022-07-14 04:20:01,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:20:01,387 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 04:20:01,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:20:01,750 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] [2022-07-14 04:20:01,751 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] [2022-07-14 04:20:01,754 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] [2022-07-14 04:20:01,755 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] [2022-07-14 04:20:01,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:20:01,820 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:20:02,360 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] [2022-07-14 04:20:02,361 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] [2022-07-14 04:20:02,362 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] [2022-07-14 04:20:02,365 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] [2022-07-14 04:20:02,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:20:02,584 INFO L208 MainTranslator]: Completed translation [2022-07-14 04:20:02,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:20:02 WrapperNode [2022-07-14 04:20:02,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 04:20:02,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 04:20:02,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 04:20:02,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 04:20:02,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:20:02" (1/1) ... [2022-07-14 04:20:02,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:20:02" (1/1) ... [2022-07-14 04:20:03,050 INFO L137 Inliner]: procedures = 494, calls = 6076, calls flagged for inlining = 277, calls inlined = 258, statements flattened = 11688 [2022-07-14 04:20:03,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 04:20:03,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 04:20:03,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 04:20:03,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 04:20:03,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:20:02" (1/1) ... [2022-07-14 04:20:03,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:20:02" (1/1) ... [2022-07-14 04:20:03,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:20:02" (1/1) ... [2022-07-14 04:20:03,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:20:02" (1/1) ... [2022-07-14 04:20:03,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:20:02" (1/1) ... [2022-07-14 04:20:03,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:20:02" (1/1) ... [2022-07-14 04:20:03,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:20:02" (1/1) ... [2022-07-14 04:20:03,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 04:20:03,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 04:20:03,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 04:20:03,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 04:20:03,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:20:02" (1/1) ... [2022-07-14 04:20:03,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:20:03,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:20:03,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 04:20:03,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 04:20:03,587 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 04:20:03,587 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 04:20:03,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 04:20:03,588 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 04:20:03,588 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 04:20:03,588 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 04:20:03,588 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2022-07-14 04:20:03,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2022-07-14 04:20:03,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 04:20:03,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 04:20:03,588 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2022-07-14 04:20:03,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2022-07-14 04:20:03,589 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-14 04:20:03,589 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-14 04:20:03,589 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 04:20:03,589 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 04:20:03,589 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-14 04:20:03,589 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-14 04:20:03,589 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 04:20:03,589 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 04:20:03,590 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2022-07-14 04:20:03,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2022-07-14 04:20:03,590 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2022-07-14 04:20:03,590 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2022-07-14 04:20:03,590 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2022-07-14 04:20:03,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2022-07-14 04:20:03,590 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2022-07-14 04:20:03,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2022-07-14 04:20:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-14 04:20:03,591 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-14 04:20:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2022-07-14 04:20:03,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2022-07-14 04:20:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-14 04:20:03,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-14 04:20:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2022-07-14 04:20:03,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2022-07-14 04:20:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 04:20:03,592 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 04:20:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 04:20:03,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 04:20:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 04:20:03,593 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 04:20:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-14 04:20:03,594 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-14 04:20:03,594 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2022-07-14 04:20:03,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2022-07-14 04:20:03,594 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 04:20:03,594 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 04:20:03,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 04:20:03,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 04:20:03,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 04:20:03,595 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-14 04:20:03,595 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-14 04:20:03,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 04:20:03,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 04:20:03,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 04:20:03,595 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2022-07-14 04:20:03,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2022-07-14 04:20:03,596 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 04:20:03,596 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 04:20:03,596 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2022-07-14 04:20:03,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2022-07-14 04:20:03,597 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 04:20:03,597 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 04:20:03,597 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2022-07-14 04:20:03,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2022-07-14 04:20:03,597 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2022-07-14 04:20:03,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2022-07-14 04:20:03,597 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 04:20:03,598 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 04:20:03,598 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2022-07-14 04:20:03,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2022-07-14 04:20:03,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 04:20:03,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 04:20:03,598 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2022-07-14 04:20:03,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2022-07-14 04:20:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2022-07-14 04:20:03,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2022-07-14 04:20:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 04:20:03,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 04:20:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2022-07-14 04:20:03,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2022-07-14 04:20:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 04:20:03,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 04:20:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-07-14 04:20:03,600 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-07-14 04:20:03,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 04:20:03,600 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 04:20:03,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-14 04:20:03,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-14 04:20:03,600 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-14 04:20:03,600 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-14 04:20:03,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 04:20:03,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 04:20:03,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 04:20:03,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 04:20:03,601 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2022-07-14 04:20:03,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2022-07-14 04:20:03,601 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-14 04:20:03,601 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-14 04:20:03,601 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 04:20:03,601 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 04:20:03,601 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2022-07-14 04:20:03,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2022-07-14 04:20:03,602 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2022-07-14 04:20:03,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2022-07-14 04:20:03,602 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2022-07-14 04:20:03,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2022-07-14 04:20:03,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 04:20:03,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 04:20:03,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 04:20:03,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 04:20:03,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 04:20:03,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-14 04:20:03,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-14 04:20:03,609 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-14 04:20:03,609 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-14 04:20:03,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 04:20:03,609 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-14 04:20:03,609 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-14 04:20:03,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 04:20:03,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 04:20:03,610 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 04:20:03,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 04:20:03,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 04:20:03,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 04:20:03,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 04:20:03,610 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:20:03,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:20:03,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 04:20:03,610 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2022-07-14 04:20:03,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2022-07-14 04:20:03,611 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2022-07-14 04:20:03,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2022-07-14 04:20:03,611 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2022-07-14 04:20:03,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2022-07-14 04:20:03,611 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-14 04:20:03,611 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-14 04:20:03,611 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2022-07-14 04:20:03,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2022-07-14 04:20:03,611 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-14 04:20:03,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-14 04:20:03,612 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2022-07-14 04:20:03,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2022-07-14 04:20:03,612 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2022-07-14 04:20:03,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2022-07-14 04:20:03,612 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-14 04:20:03,612 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-14 04:20:03,612 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 04:20:03,612 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 04:20:03,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 04:20:03,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 04:20:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2022-07-14 04:20:03,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2022-07-14 04:20:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2022-07-14 04:20:03,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2022-07-14 04:20:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2022-07-14 04:20:03,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2022-07-14 04:20:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-14 04:20:03,614 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-14 04:20:03,614 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 04:20:03,614 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 04:20:03,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 04:20:03,614 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2022-07-14 04:20:03,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2022-07-14 04:20:03,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 04:20:03,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 04:20:03,614 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-14 04:20:03,614 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-14 04:20:03,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 04:20:03,615 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 04:20:03,615 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 04:20:03,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 04:20:03,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 04:20:03,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 04:20:03,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 04:20:03,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 04:20:03,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 04:20:03,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 04:20:03,616 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 04:20:03,616 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 04:20:03,616 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-14 04:20:03,616 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-14 04:20:03,616 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2022-07-14 04:20:03,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2022-07-14 04:20:03,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-14 04:20:03,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-14 04:20:03,616 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2022-07-14 04:20:03,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2022-07-14 04:20:03,616 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-14 04:20:03,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-14 04:20:03,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 04:20:03,617 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 04:20:03,617 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 04:20:03,617 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 04:20:03,617 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-07-14 04:20:03,617 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-07-14 04:20:03,617 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2022-07-14 04:20:03,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2022-07-14 04:20:03,617 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-14 04:20:03,618 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-14 04:20:03,618 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-14 04:20:03,618 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-14 04:20:03,618 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-14 04:20:03,618 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-14 04:20:03,618 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-14 04:20:03,618 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-14 04:20:03,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 04:20:03,618 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-14 04:20:03,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-14 04:20:03,619 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 04:20:03,619 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 04:20:03,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 04:20:03,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 04:20:03,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 04:20:03,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 04:20:03,619 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-14 04:20:03,619 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-14 04:20:03,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 04:20:03,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 04:20:03,619 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-14 04:20:03,620 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-14 04:20:03,620 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 04:20:03,620 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 04:20:03,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 04:20:03,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 04:20:03,620 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2022-07-14 04:20:03,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2022-07-14 04:20:03,620 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2022-07-14 04:20:03,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2022-07-14 04:20:03,620 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-14 04:20:03,622 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-14 04:20:03,622 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-14 04:20:03,623 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-14 04:20:03,623 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 04:20:03,623 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 04:20:03,623 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-14 04:20:03,623 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-14 04:20:03,623 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 04:20:03,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 04:20:03,624 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 04:20:03,624 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 04:20:03,625 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2022-07-14 04:20:03,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2022-07-14 04:20:03,625 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-14 04:20:03,625 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-14 04:20:03,625 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 04:20:03,625 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 04:20:03,625 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2022-07-14 04:20:03,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2022-07-14 04:20:03,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 04:20:03,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 04:20:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 04:20:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 04:20:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 04:20:03,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 04:20:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2022-07-14 04:20:03,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2022-07-14 04:20:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 04:20:03,626 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 04:20:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2022-07-14 04:20:03,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2022-07-14 04:20:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-14 04:20:03,627 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-14 04:20:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-14 04:20:03,627 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-14 04:20:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2022-07-14 04:20:03,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2022-07-14 04:20:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-07-14 04:20:03,627 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-07-14 04:20:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-14 04:20:03,627 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-14 04:20:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2022-07-14 04:20:03,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2022-07-14 04:20:03,628 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2022-07-14 04:20:03,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2022-07-14 04:20:03,628 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2022-07-14 04:20:03,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2022-07-14 04:20:03,628 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2022-07-14 04:20:03,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2022-07-14 04:20:03,628 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2022-07-14 04:20:03,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2022-07-14 04:20:03,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 04:20:03,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 04:20:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-14 04:20:03,629 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-14 04:20:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-14 04:20:03,629 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-14 04:20:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-14 04:20:03,629 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-14 04:20:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-14 04:20:03,629 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-14 04:20:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 04:20:03,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 04:20:03,630 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-14 04:20:03,630 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2022-07-14 04:20:03,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2022-07-14 04:20:04,592 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 04:20:04,595 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 04:20:05,290 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 04:22:16,706 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 04:22:20,110 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 04:22:20,128 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 04:22:20,128 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 04:22:20,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:22:20 BoogieIcfgContainer [2022-07-14 04:22:20,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 04:22:20,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 04:22:20,136 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 04:22:20,138 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 04:22:20,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 04:19:58" (1/3) ... [2022-07-14 04:22:20,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21531c56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:22:20, skipping insertion in model container [2022-07-14 04:22:20,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:20:02" (2/3) ... [2022-07-14 04:22:20,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21531c56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:22:20, skipping insertion in model container [2022-07-14 04:22:20,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:22:20" (3/3) ... [2022-07-14 04:22:20,140 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-14 04:22:20,150 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 04:22:20,150 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-14 04:22:20,238 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 04:22:20,248 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@789d82a7, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@31cec786 [2022-07-14 04:22:20,249 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-14 04:22:20,262 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) [2022-07-14 04:22:20,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-07-14 04:22:20,287 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:22:20,288 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] [2022-07-14 04:22:20,289 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:22:20,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:22:20,293 INFO L85 PathProgramCache]: Analyzing trace with hash -55023453, now seen corresponding path program 1 times [2022-07-14 04:22:20,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:22:20,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1920532580] [2022-07-14 04:22:20,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:22:20,310 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:22:20,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:22:20,312 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:22:20,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 04:22:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:24,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 4223 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:22:24,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:22:24,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-14 04:22:24,663 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:22:24,664 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:22:24,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1920532580] [2022-07-14 04:22:24,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1920532580] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:22:24,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:22:24,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:22:24,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16927402] [2022-07-14 04:22:24,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:22:24,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:22:24,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:22:24,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:22:24,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:22:24,707 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) [2022-07-14 04:22:25,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:22:25,524 INFO L93 Difference]: Finished difference Result 9747 states and 13977 transitions. [2022-07-14 04:22:25,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:22:25,526 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 [2022-07-14 04:22:25,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:22:25,591 INFO L225 Difference]: With dead ends: 9747 [2022-07-14 04:22:25,591 INFO L226 Difference]: Without dead ends: 6457 [2022-07-14 04:22:25,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:22:25,636 INFO L413 NwaCegarLoop]: 5540 mSDtfsCounter, 4540 mSDsluCounter, 4595 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4540 SdHoareTripleChecker+Valid, 10135 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 04:22:25,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4540 Valid, 10135 Invalid, 14 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 04:22:25,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6457 states. [2022-07-14 04:22:26,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6457 to 6455. [2022-07-14 04:22:26,177 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) [2022-07-14 04:22:26,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6455 states to 6455 states and 9097 transitions. [2022-07-14 04:22:26,231 INFO L78 Accepts]: Start accepts. Automaton has 6455 states and 9097 transitions. Word has length 199 [2022-07-14 04:22:26,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:22:26,237 INFO L495 AbstractCegarLoop]: Abstraction has 6455 states and 9097 transitions. [2022-07-14 04:22:26,237 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) [2022-07-14 04:22:26,238 INFO L276 IsEmpty]: Start isEmpty. Operand 6455 states and 9097 transitions. [2022-07-14 04:22:26,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-07-14 04:22:26,246 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:22:26,247 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] [2022-07-14 04:22:26,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 04:22:26,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:22:26,464 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:22:26,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:22:26,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1057590409, now seen corresponding path program 1 times [2022-07-14 04:22:26,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:22:26,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [464360232] [2022-07-14 04:22:26,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:22:26,468 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:22:26,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:22:26,471 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:22:26,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 04:22:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:30,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 4308 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:22:30,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:22:30,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-14 04:22:30,747 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:22:30,747 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:22:30,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [464360232] [2022-07-14 04:22:30,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [464360232] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:22:30,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:22:30,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:22:30,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152277002] [2022-07-14 04:22:30,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:22:30,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:22:30,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:22:30,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:22:30,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:22:30,749 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) [2022-07-14 04:22:31,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:22:31,833 INFO L93 Difference]: Finished difference Result 15039 states and 21186 transitions. [2022-07-14 04:22:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:22:31,834 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 [2022-07-14 04:22:31,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:22:31,896 INFO L225 Difference]: With dead ends: 15039 [2022-07-14 04:22:31,897 INFO L226 Difference]: Without dead ends: 8621 [2022-07-14 04:22:31,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:22:31,936 INFO L413 NwaCegarLoop]: 5512 mSDtfsCounter, 3757 mSDsluCounter, 4537 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-07-14 04:22:31,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3757 Valid, 10049 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-14 04:22:31,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8621 states. [2022-07-14 04:22:32,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8621 to 8614. [2022-07-14 04:22:32,293 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) [2022-07-14 04:22:32,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8614 states to 8614 states and 12104 transitions. [2022-07-14 04:22:32,336 INFO L78 Accepts]: Start accepts. Automaton has 8614 states and 12104 transitions. Word has length 223 [2022-07-14 04:22:32,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:22:32,338 INFO L495 AbstractCegarLoop]: Abstraction has 8614 states and 12104 transitions. [2022-07-14 04:22:32,339 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) [2022-07-14 04:22:32,339 INFO L276 IsEmpty]: Start isEmpty. Operand 8614 states and 12104 transitions. [2022-07-14 04:22:32,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-07-14 04:22:32,344 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:22:32,344 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] [2022-07-14 04:22:32,424 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 04:22:32,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:22:32,563 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:22:32,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:22:32,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1013556946, now seen corresponding path program 1 times [2022-07-14 04:22:32,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:22:32,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [934793277] [2022-07-14 04:22:32,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:22:32,568 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:22:32,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:22:32,569 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:22:32,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 04:22:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:36,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 4344 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:22:36,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:22:36,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 1245 trivial. 0 not checked. [2022-07-14 04:22:36,745 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:22:36,745 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:22:36,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [934793277] [2022-07-14 04:22:36,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [934793277] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:22:36,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:22:36,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:22:36,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795351767] [2022-07-14 04:22:36,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:22:36,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:22:36,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:22:36,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:22:36,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:22:36,747 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) [2022-07-14 04:22:37,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:22:37,490 INFO L93 Difference]: Finished difference Result 20388 states and 28656 transitions. [2022-07-14 04:22:37,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:22:37,491 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 [2022-07-14 04:22:37,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:22:37,589 INFO L225 Difference]: With dead ends: 20388 [2022-07-14 04:22:37,590 INFO L226 Difference]: Without dead ends: 14454 [2022-07-14 04:22:37,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:22:37,637 INFO L413 NwaCegarLoop]: 8243 mSDtfsCounter, 4503 mSDsluCounter, 4579 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 04:22:37,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4503 Valid, 12822 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 04:22:37,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14454 states. [2022-07-14 04:22:38,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14454 to 14448. [2022-07-14 04:22:38,240 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) [2022-07-14 04:22:38,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14448 states to 14448 states and 20314 transitions. [2022-07-14 04:22:38,310 INFO L78 Accepts]: Start accepts. Automaton has 14448 states and 20314 transitions. Word has length 251 [2022-07-14 04:22:38,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:22:38,311 INFO L495 AbstractCegarLoop]: Abstraction has 14448 states and 20314 transitions. [2022-07-14 04:22:38,311 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) [2022-07-14 04:22:38,311 INFO L276 IsEmpty]: Start isEmpty. Operand 14448 states and 20314 transitions. [2022-07-14 04:22:38,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-07-14 04:22:38,317 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:22:38,318 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] [2022-07-14 04:22:38,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 04:22:38,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:22:38,543 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:22:38,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:22:38,544 INFO L85 PathProgramCache]: Analyzing trace with hash 195908496, now seen corresponding path program 1 times [2022-07-14 04:22:38,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:22:38,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1661155306] [2022-07-14 04:22:38,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:22:38,549 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:22:38,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:22:38,550 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:22:38,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 04:22:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:42,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 4344 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:22:42,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:22:45,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2022-07-14 04:22:45,269 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:22:45,269 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:22:45,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1661155306] [2022-07-14 04:22:45,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1661155306] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:22:45,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:22:45,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:22:45,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978362256] [2022-07-14 04:22:45,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:22:45,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:22:45,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:22:45,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:22:45,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:22:45,271 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) [2022-07-14 04:22:46,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:22:46,111 INFO L93 Difference]: Finished difference Result 14448 states and 20314 transitions. [2022-07-14 04:22:46,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:22:46,112 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 [2022-07-14 04:22:46,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:22:46,164 INFO L225 Difference]: With dead ends: 14448 [2022-07-14 04:22:46,164 INFO L226 Difference]: Without dead ends: 11769 [2022-07-14 04:22:46,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:22:46,181 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 [2022-07-14 04:22:46,182 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] [2022-07-14 04:22:46,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11769 states. [2022-07-14 04:22:46,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11769 to 11769. [2022-07-14 04:22:46,636 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) [2022-07-14 04:22:46,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11769 states to 11769 states and 16548 transitions. [2022-07-14 04:22:46,697 INFO L78 Accepts]: Start accepts. Automaton has 11769 states and 16548 transitions. Word has length 251 [2022-07-14 04:22:46,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:22:46,699 INFO L495 AbstractCegarLoop]: Abstraction has 11769 states and 16548 transitions. [2022-07-14 04:22:46,699 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) [2022-07-14 04:22:46,699 INFO L276 IsEmpty]: Start isEmpty. Operand 11769 states and 16548 transitions. [2022-07-14 04:22:46,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-07-14 04:22:46,712 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:22:46,712 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] [2022-07-14 04:22:46,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 04:22:46,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:22:46,927 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:22:46,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:22:46,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1064779937, now seen corresponding path program 1 times [2022-07-14 04:22:46,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:22:46,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1035377739] [2022-07-14 04:22:46,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:22:46,933 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:22:46,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:22:46,934 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:22:46,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 04:22:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:51,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 4446 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:22:51,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:22:51,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1333 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1194 trivial. 0 not checked. [2022-07-14 04:22:51,668 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:22:51,668 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:22:51,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1035377739] [2022-07-14 04:22:51,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1035377739] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:22:51,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:22:51,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:22:51,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913440710] [2022-07-14 04:22:51,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:22:51,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:22:51,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:22:51,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:22:51,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:22:51,670 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) [2022-07-14 04:22:52,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:22:52,752 INFO L93 Difference]: Finished difference Result 26186 states and 36832 transitions. [2022-07-14 04:22:52,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:22:52,753 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 [2022-07-14 04:22:52,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:22:52,839 INFO L225 Difference]: With dead ends: 26186 [2022-07-14 04:22:52,839 INFO L226 Difference]: Without dead ends: 17097 [2022-07-14 04:22:52,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:22:52,880 INFO L413 NwaCegarLoop]: 8316 mSDtfsCounter, 3720 mSDsluCounter, 4510 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-07-14 04:22:52,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3720 Valid, 12826 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-14 04:22:52,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17097 states. [2022-07-14 04:22:53,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17097 to 17096. [2022-07-14 04:22:53,725 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) [2022-07-14 04:22:53,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17096 states to 17096 states and 24022 transitions. [2022-07-14 04:22:53,819 INFO L78 Accepts]: Start accepts. Automaton has 17096 states and 24022 transitions. Word has length 283 [2022-07-14 04:22:53,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:22:53,820 INFO L495 AbstractCegarLoop]: Abstraction has 17096 states and 24022 transitions. [2022-07-14 04:22:53,821 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) [2022-07-14 04:22:53,821 INFO L276 IsEmpty]: Start isEmpty. Operand 17096 states and 24022 transitions. [2022-07-14 04:22:53,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2022-07-14 04:22:53,854 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:22:53,855 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] [2022-07-14 04:22:53,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 04:22:54,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:22:54,076 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:22:54,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:22:54,076 INFO L85 PathProgramCache]: Analyzing trace with hash -2108861199, now seen corresponding path program 1 times [2022-07-14 04:22:54,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:22:54,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2070677919] [2022-07-14 04:22:54,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:22:54,081 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:22:54,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:22:54,082 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:22:54,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 04:22:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:22:58,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 4586 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:22:58,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:22:58,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1595 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 1476 trivial. 0 not checked. [2022-07-14 04:22:58,935 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:22:58,935 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:22:58,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2070677919] [2022-07-14 04:22:58,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2070677919] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:22:58,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:22:58,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:22:58,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162405420] [2022-07-14 04:22:58,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:22:58,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:22:58,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:22:58,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:22:58,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:22:58,937 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) [2022-07-14 04:23:00,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:23:00,350 INFO L93 Difference]: Finished difference Result 36834 states and 51766 transitions. [2022-07-14 04:23:00,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:23:00,351 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 [2022-07-14 04:23:00,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:23:00,451 INFO L225 Difference]: With dead ends: 36834 [2022-07-14 04:23:00,451 INFO L226 Difference]: Without dead ends: 19776 [2022-07-14 04:23:00,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:23:00,520 INFO L413 NwaCegarLoop]: 8322 mSDtfsCounter, 3735 mSDsluCounter, 4517 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-07-14 04:23:00,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3735 Valid, 12839 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-14 04:23:00,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19776 states. [2022-07-14 04:23:01,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19776 to 19775. [2022-07-14 04:23:01,426 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) [2022-07-14 04:23:01,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19775 states to 19775 states and 27775 transitions. [2022-07-14 04:23:01,512 INFO L78 Accepts]: Start accepts. Automaton has 19775 states and 27775 transitions. Word has length 357 [2022-07-14 04:23:01,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:23:01,513 INFO L495 AbstractCegarLoop]: Abstraction has 19775 states and 27775 transitions. [2022-07-14 04:23:01,513 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) [2022-07-14 04:23:01,513 INFO L276 IsEmpty]: Start isEmpty. Operand 19775 states and 27775 transitions. [2022-07-14 04:23:01,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2022-07-14 04:23:01,544 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:23:01,544 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] [2022-07-14 04:23:01,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-14 04:23:01,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:23:01,760 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:23:01,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:23:01,760 INFO L85 PathProgramCache]: Analyzing trace with hash 136718255, now seen corresponding path program 1 times [2022-07-14 04:23:01,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:23:01,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1554197448] [2022-07-14 04:23:01,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:23:01,765 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:23:01,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:23:01,767 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:23:01,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 04:23:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:23:06,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 4586 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:23:06,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:23:10,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1595 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2022-07-14 04:23:10,769 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:23:10,769 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:23:10,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1554197448] [2022-07-14 04:23:10,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1554197448] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:23:10,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:23:10,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:23:10,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226178694] [2022-07-14 04:23:10,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:23:10,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:23:10,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:23:10,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:23:10,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:23:10,771 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) [2022-07-14 04:23:14,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:23:14,516 INFO L93 Difference]: Finished difference Result 25298 states and 36085 transitions. [2022-07-14 04:23:14,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:23:14,517 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 [2022-07-14 04:23:14,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:23:14,525 INFO L225 Difference]: With dead ends: 25298 [2022-07-14 04:23:14,525 INFO L226 Difference]: Without dead ends: 0 [2022-07-14 04:23:14,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:23:14,637 INFO L413 NwaCegarLoop]: 5980 mSDtfsCounter, 5810 mSDsluCounter, 4897 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 322 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s 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, 3.2s IncrementalHoareTripleChecker+Time [2022-07-14 04:23:14,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5810 Valid, 10877 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [322 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-14 04:23:14,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-14 04:23:14,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-14 04:23:14,639 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) [2022-07-14 04:23:14,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-14 04:23:14,646 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 357 [2022-07-14 04:23:14,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:23:14,647 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 04:23:14,647 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) [2022-07-14 04:23:14,647 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-14 04:23:14,647 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-14 04:23:14,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-07-14 04:23:14,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-07-14 04:23:14,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-14 04:23:14,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:23:14,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.