./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 791161d1 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-?-791161d [2022-07-23 03:55:34,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:55:34,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:55:34,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:55:34,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:55:34,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:55:34,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:55:34,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:55:34,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:55:34,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:55:34,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:55:34,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:55:34,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:55:34,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:55:34,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:55:34,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:55:34,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:55:34,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:55:34,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:55:34,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:55:34,902 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:55:34,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:55:34,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:55:34,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:55:34,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:55:34,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:55:34,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:55:34,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:55:34,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:55:34,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:55:34,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:55:34,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:55:34,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:55:34,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:55:34,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:55:34,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:55:34,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:55:34,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:55:34,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:55:34,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:55:34,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:55:34,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:55:34,937 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 03:55:34,978 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:55:34,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:55:34,979 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:55:34,979 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:55:34,980 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:55:34,995 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:55:34,997 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:55:34,997 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:55:34,997 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:55:34,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:55:34,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 03:55:34,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:55:34,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:55:34,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:55:34,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:55:34,999 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:55:34,999 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:55:34,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:55:35,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:55:35,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:55:35,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:55:35,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:55:35,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:55:35,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:55:35,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:55:35,003 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 03:55:35,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 03:55:35,004 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:55:35,004 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:55:35,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:55:35,004 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 484c71f67ef44adda28419ba4f7367133d47a44b7b25589681c020e12726250b [2022-07-23 03:55:35,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:55:35,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:55:35,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:55:35,237 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:55:35,237 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:55:35,238 INFO L432 ainManager$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 [2022-07-23 03:55:35,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e1b1b7a2/398bd87fd68c45d389012f38d0b23de5/FLAGab90615cd [2022-07-23 03:55:36,034 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:55:36,035 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 [2022-07-23 03:55:36,112 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e1b1b7a2/398bd87fd68c45d389012f38d0b23de5/FLAGab90615cd [2022-07-23 03:55:36,576 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e1b1b7a2/398bd87fd68c45d389012f38d0b23de5 [2022-07-23 03:55:36,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:55:36,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:55:36,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:55:36,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:55:36,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:55:36,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:55:36" (1/1) ... [2022-07-23 03:55:36,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c4824a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:55:36, skipping insertion in model container [2022-07-23 03:55:36,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:55:36" (1/1) ... [2022-07-23 03:55:36,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:55:36,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:55:39,548 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] [2022-07-23 03:55:39,551 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] [2022-07-23 03:55:39,551 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] [2022-07-23 03:55:39,551 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] [2022-07-23 03:55:39,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:55:39,678 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:55:39,990 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) [2022-07-23 03:55:39,995 INFO L158 Benchmark]: Toolchain (without parser) took 3414.29ms. Allocated memory was 117.4MB in the beginning and 230.7MB in the end (delta: 113.2MB). Free memory was 69.6MB in the beginning and 105.7MB in the end (delta: -36.1MB). Peak memory consumption was 93.5MB. Max. memory is 16.1GB. [2022-07-23 03:55:39,996 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 03:55:39,997 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3412.65ms. Allocated memory was 117.4MB in the beginning and 230.7MB in the end (delta: 113.2MB). Free memory was 69.4MB in the beginning and 105.7MB in the end (delta: -36.3MB). Peak memory consumption was 93.5MB. Max. memory is 16.1GB. [2022-07-23 03:55:39,998 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 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3412.65ms. Allocated memory was 117.4MB in the beginning and 230.7MB in the end (delta: 113.2MB). Free memory was 69.4MB in the beginning and 105.7MB in the end (delta: -36.3MB). Peak memory consumption was 93.5MB. 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-?-791161d [2022-07-23 03:55:41,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:55:41,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:55:41,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:55:41,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:55:41,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:55:41,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:55:41,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:55:41,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:55:41,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:55:41,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:55:41,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:55:41,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:55:41,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:55:41,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:55:41,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:55:41,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:55:41,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:55:41,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:55:41,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:55:41,843 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:55:41,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:55:41,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:55:41,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:55:41,847 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:55:41,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:55:41,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:55:41,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:55:41,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:55:41,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:55:41,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:55:41,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:55:41,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:55:41,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:55:41,858 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:55:41,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:55:41,860 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:55:41,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:55:41,860 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:55:41,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:55:41,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:55:41,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:55:41,868 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 03:55:41,895 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:55:41,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:55:41,896 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:55:41,896 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:55:41,896 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:55:41,897 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:55:41,897 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:55:41,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:55:41,898 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:55:41,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:55:41,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:55:41,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:55:41,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:55:41,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:55:41,899 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 03:55:41,899 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 03:55:41,900 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 03:55:41,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:55:41,900 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:55:41,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:55:41,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:55:41,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:55:41,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:55:41,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:55:41,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:55:41,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:55:41,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:55:41,901 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 03:55:41,902 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 03:55:41,902 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:55:41,902 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:55:41,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:55:41,902 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 03:55:41,903 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 484c71f67ef44adda28419ba4f7367133d47a44b7b25589681c020e12726250b [2022-07-23 03:55:42,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:55:42,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:55:42,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:55:42,207 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:55:42,211 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:55:42,212 INFO L432 ainManager$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 [2022-07-23 03:55:42,257 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62bd64c38/d9a30f9184824c159dc7e0e2a4eb73e6/FLAGab1795d89 [2022-07-23 03:55:43,069 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:55:43,069 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 [2022-07-23 03:55:43,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62bd64c38/d9a30f9184824c159dc7e0e2a4eb73e6/FLAGab1795d89 [2022-07-23 03:55:43,297 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62bd64c38/d9a30f9184824c159dc7e0e2a4eb73e6 [2022-07-23 03:55:43,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:55:43,301 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:55:43,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:55:43,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:55:43,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:55:43,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:55:43" (1/1) ... [2022-07-23 03:55:43,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bb9dbc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:55:43, skipping insertion in model container [2022-07-23 03:55:43,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:55:43" (1/1) ... [2022-07-23 03:55:43,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:55:43,470 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:55:46,579 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] [2022-07-23 03:55:46,582 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] [2022-07-23 03:55:46,582 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] [2022-07-23 03:55:46,586 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] [2022-07-23 03:55:46,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:55:46,699 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 03:55:46,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:55:47,147 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] [2022-07-23 03:55:47,148 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] [2022-07-23 03:55:47,148 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] [2022-07-23 03:55:47,149 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] [2022-07-23 03:55:47,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:55:47,185 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:55:47,523 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] [2022-07-23 03:55:47,524 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] [2022-07-23 03:55:47,525 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] [2022-07-23 03:55:47,528 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] [2022-07-23 03:55:47,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:55:47,845 INFO L208 MainTranslator]: Completed translation [2022-07-23 03:55:47,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:55:47 WrapperNode [2022-07-23 03:55:47,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 03:55:47,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 03:55:47,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 03:55:47,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 03:55:47,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:55:47" (1/1) ... [2022-07-23 03:55:47,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:55:47" (1/1) ... [2022-07-23 03:55:48,329 INFO L137 Inliner]: procedures = 494, calls = 6076, calls flagged for inlining = 277, calls inlined = 258, statements flattened = 11688 [2022-07-23 03:55:48,331 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 03:55:48,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 03:55:48,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 03:55:48,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 03:55:48,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:55:47" (1/1) ... [2022-07-23 03:55:48,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:55:47" (1/1) ... [2022-07-23 03:55:48,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:55:47" (1/1) ... [2022-07-23 03:55:48,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:55:47" (1/1) ... [2022-07-23 03:55:48,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:55:47" (1/1) ... [2022-07-23 03:55:48,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:55:47" (1/1) ... [2022-07-23 03:55:48,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:55:47" (1/1) ... [2022-07-23 03:55:48,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 03:55:48,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 03:55:48,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 03:55:48,726 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 03:55:48,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:55:47" (1/1) ... [2022-07-23 03:55:48,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:55:48,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 03:55:48,785 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) [2022-07-23 03:55:48,836 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 [2022-07-23 03:55:48,849 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 03:55:48,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 03:55:48,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 03:55:48,850 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 03:55:48,850 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 03:55:48,850 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 03:55:48,850 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2022-07-23 03:55:48,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2022-07-23 03:55:48,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 03:55:48,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 03:55:48,850 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2022-07-23 03:55:48,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2022-07-23 03:55:48,851 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-23 03:55:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-23 03:55:48,851 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 03:55:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 03:55:48,851 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-23 03:55:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-23 03:55:48,851 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 03:55:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 03:55:48,852 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2022-07-23 03:55:48,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2022-07-23 03:55:48,852 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2022-07-23 03:55:48,852 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2022-07-23 03:55:48,852 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2022-07-23 03:55:48,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2022-07-23 03:55:48,853 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2022-07-23 03:55:48,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2022-07-23 03:55:48,853 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-23 03:55:48,853 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-23 03:55:48,853 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2022-07-23 03:55:48,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2022-07-23 03:55:48,854 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-23 03:55:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-23 03:55:48,854 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2022-07-23 03:55:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2022-07-23 03:55:48,854 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 03:55:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 03:55:48,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 03:55:48,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 03:55:48,855 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 03:55:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 03:55:48,856 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-23 03:55:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-23 03:55:48,856 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2022-07-23 03:55:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2022-07-23 03:55:48,856 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 03:55:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 03:55:48,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 03:55:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 03:55:48,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 03:55:48,857 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-23 03:55:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-23 03:55:48,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 03:55:48,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 03:55:48,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 03:55:48,857 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2022-07-23 03:55:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2022-07-23 03:55:48,858 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 03:55:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 03:55:48,858 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2022-07-23 03:55:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2022-07-23 03:55:48,859 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 03:55:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 03:55:48,859 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2022-07-23 03:55:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2022-07-23 03:55:48,859 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2022-07-23 03:55:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2022-07-23 03:55:48,859 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 03:55:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 03:55:48,859 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2022-07-23 03:55:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2022-07-23 03:55:48,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 03:55:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 03:55:48,860 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2022-07-23 03:55:48,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2022-07-23 03:55:48,861 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2022-07-23 03:55:48,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2022-07-23 03:55:48,861 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 03:55:48,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 03:55:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2022-07-23 03:55:48,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2022-07-23 03:55:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 03:55:48,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 03:55:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-07-23 03:55:48,862 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-07-23 03:55:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 03:55:48,862 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 03:55:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 03:55:48,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 03:55:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-23 03:55:48,863 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-23 03:55:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 03:55:48,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 03:55:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 03:55:48,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 03:55:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2022-07-23 03:55:48,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2022-07-23 03:55:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-23 03:55:48,864 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-23 03:55:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 03:55:48,865 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 03:55:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2022-07-23 03:55:48,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2022-07-23 03:55:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2022-07-23 03:55:48,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2022-07-23 03:55:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2022-07-23 03:55:48,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2022-07-23 03:55:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 03:55:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 03:55:48,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 03:55:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 03:55:48,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 03:55:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-23 03:55:48,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-23 03:55:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-23 03:55:48,874 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-23 03:55:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 03:55:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-23 03:55:48,874 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-23 03:55:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 03:55:48,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 03:55:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 03:55:48,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 03:55:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 03:55:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 03:55:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 03:55:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:55:48,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:55:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 03:55:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2022-07-23 03:55:48,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2022-07-23 03:55:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2022-07-23 03:55:48,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2022-07-23 03:55:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2022-07-23 03:55:48,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2022-07-23 03:55:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-23 03:55:48,876 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-23 03:55:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2022-07-23 03:55:48,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2022-07-23 03:55:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-23 03:55:48,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-23 03:55:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2022-07-23 03:55:48,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2022-07-23 03:55:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2022-07-23 03:55:48,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2022-07-23 03:55:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-23 03:55:48,877 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-23 03:55:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 03:55:48,877 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 03:55:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 03:55:48,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 03:55:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2022-07-23 03:55:48,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2022-07-23 03:55:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2022-07-23 03:55:48,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2022-07-23 03:55:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2022-07-23 03:55:48,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2022-07-23 03:55:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-23 03:55:48,878 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-23 03:55:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 03:55:48,878 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 03:55:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 03:55:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2022-07-23 03:55:48,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2022-07-23 03:55:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 03:55:48,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 03:55:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-23 03:55:48,879 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-23 03:55:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 03:55:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-23 03:55:48,879 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-23 03:55:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 03:55:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 03:55:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 03:55:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 03:55:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 03:55:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 03:55:48,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 03:55:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 03:55:48,880 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 03:55:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-23 03:55:48,880 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-23 03:55:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2022-07-23 03:55:48,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2022-07-23 03:55:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 03:55:48,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 03:55:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2022-07-23 03:55:48,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2022-07-23 03:55:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-23 03:55:48,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-23 03:55:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 03:55:48,881 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 03:55:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 03:55:48,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 03:55:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-07-23 03:55:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-07-23 03:55:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2022-07-23 03:55:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2022-07-23 03:55:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-23 03:55:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-23 03:55:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-23 03:55:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-23 03:55:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 03:55:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 03:55:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-23 03:55:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-23 03:55:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 03:55:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-23 03:55:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-23 03:55:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 03:55:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 03:55:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 03:55:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 03:55:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 03:55:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 03:55:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-23 03:55:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-23 03:55:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 03:55:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 03:55:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-23 03:55:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-23 03:55:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 03:55:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 03:55:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 03:55:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 03:55:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2022-07-23 03:55:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2022-07-23 03:55:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2022-07-23 03:55:48,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2022-07-23 03:55:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-23 03:55:48,888 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-23 03:55:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-23 03:55:48,888 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-23 03:55:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 03:55:48,888 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 03:55:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-23 03:55:48,889 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-23 03:55:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 03:55:48,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 03:55:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 03:55:48,890 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 03:55:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2022-07-23 03:55:48,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2022-07-23 03:55:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-23 03:55:48,891 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-23 03:55:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 03:55:48,891 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 03:55:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2022-07-23 03:55:48,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2022-07-23 03:55:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 03:55:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 03:55:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 03:55:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 03:55:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 03:55:48,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 03:55:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2022-07-23 03:55:48,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2022-07-23 03:55:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-23 03:55:48,892 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-23 03:55:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2022-07-23 03:55:48,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2022-07-23 03:55:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-23 03:55:48,892 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-23 03:55:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-23 03:55:48,892 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-23 03:55:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2022-07-23 03:55:48,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2022-07-23 03:55:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-07-23 03:55:48,893 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-07-23 03:55:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-23 03:55:48,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-23 03:55:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2022-07-23 03:55:48,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2022-07-23 03:55:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2022-07-23 03:55:48,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2022-07-23 03:55:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2022-07-23 03:55:48,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2022-07-23 03:55:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2022-07-23 03:55:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2022-07-23 03:55:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2022-07-23 03:55:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2022-07-23 03:55:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 03:55:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 03:55:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-23 03:55:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-23 03:55:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-23 03:55:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-23 03:55:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-23 03:55:48,895 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-23 03:55:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-23 03:55:48,895 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-23 03:55:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 03:55:48,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 03:55:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-23 03:55:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2022-07-23 03:55:48,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2022-07-23 03:55:49,880 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 03:55:49,882 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 03:55:50,472 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 03:58:12,214 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 03:58:15,541 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 03:58:15,583 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 03:58:15,584 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 03:58:15,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:58:15 BoogieIcfgContainer [2022-07-23 03:58:15,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 03:58:15,593 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 03:58:15,593 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 03:58:15,596 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 03:58:15,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 03:55:43" (1/3) ... [2022-07-23 03:58:15,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4724886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:58:15, skipping insertion in model container [2022-07-23 03:58:15,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:55:47" (2/3) ... [2022-07-23 03:58:15,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4724886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:58:15, skipping insertion in model container [2022-07-23 03:58:15,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:58:15" (3/3) ... [2022-07-23 03:58:15,600 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-23 03:58:15,615 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 03:58:15,615 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-23 03:58:15,729 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 03:58:15,738 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@1e31725c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3327c4e6 [2022-07-23 03:58:15,739 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-23 03:58:15,753 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) [2022-07-23 03:58:15,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-07-23 03:58:15,781 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:58:15,782 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] [2022-07-23 03:58:15,782 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:58:15,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:58:15,787 INFO L85 PathProgramCache]: Analyzing trace with hash -55023453, now seen corresponding path program 1 times [2022-07-23 03:58:15,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:58:15,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1674485950] [2022-07-23 03:58:15,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:58:15,807 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:58:15,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:58:15,829 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) [2022-07-23 03:58:15,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 03:58:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:20,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 4223 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:58:20,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:58:20,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-23 03:58:20,807 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:58:20,808 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:58:20,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1674485950] [2022-07-23 03:58:20,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1674485950] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:58:20,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:58:20,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:58:20,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512732025] [2022-07-23 03:58:20,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:58:20,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:58:20,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:58:20,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:58:20,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:58:20,852 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) [2022-07-23 03:58:21,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:58:21,968 INFO L93 Difference]: Finished difference Result 9747 states and 13977 transitions. [2022-07-23 03:58:21,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:58:21,972 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 [2022-07-23 03:58:21,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:58:22,067 INFO L225 Difference]: With dead ends: 9747 [2022-07-23 03:58:22,067 INFO L226 Difference]: Without dead ends: 6457 [2022-07-23 03:58:22,102 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 [2022-07-23 03:58:22,107 INFO L413 NwaCegarLoop]: 5540 mSDtfsCounter, 4540 mSDsluCounter, 4595 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-07-23 03:58:22,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4540 Valid, 10135 Invalid, 14 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-23 03:58:22,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6457 states. [2022-07-23 03:58:22,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6457 to 6455. [2022-07-23 03:58:22,620 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) [2022-07-23 03:58:22,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6455 states to 6455 states and 9097 transitions. [2022-07-23 03:58:22,692 INFO L78 Accepts]: Start accepts. Automaton has 6455 states and 9097 transitions. Word has length 199 [2022-07-23 03:58:22,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:58:22,698 INFO L495 AbstractCegarLoop]: Abstraction has 6455 states and 9097 transitions. [2022-07-23 03:58:22,698 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) [2022-07-23 03:58:22,698 INFO L276 IsEmpty]: Start isEmpty. Operand 6455 states and 9097 transitions. [2022-07-23 03:58:22,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-07-23 03:58:22,709 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:58:22,710 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] [2022-07-23 03:58:22,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-23 03:58:22,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:58:22,932 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:58:22,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:58:22,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1057590409, now seen corresponding path program 1 times [2022-07-23 03:58:22,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:58:22,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1376422818] [2022-07-23 03:58:22,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:58:22,946 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:58:22,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:58:22,948 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) [2022-07-23 03:58:22,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 03:58:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:27,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 4308 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:58:27,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:58:27,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-23 03:58:27,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:58:27,700 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:58:27,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1376422818] [2022-07-23 03:58:27,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1376422818] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:58:27,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:58:27,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:58:27,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54539558] [2022-07-23 03:58:27,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:58:27,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:58:27,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:58:27,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:58:27,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:58:27,703 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) [2022-07-23 03:58:28,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:58:28,823 INFO L93 Difference]: Finished difference Result 15039 states and 21186 transitions. [2022-07-23 03:58:28,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:58:28,824 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 [2022-07-23 03:58:28,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:58:28,885 INFO L225 Difference]: With dead ends: 15039 [2022-07-23 03:58:28,886 INFO L226 Difference]: Without dead ends: 8621 [2022-07-23 03:58:28,922 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 [2022-07-23 03:58:28,923 INFO L413 NwaCegarLoop]: 5512 mSDtfsCounter, 3757 mSDsluCounter, 4537 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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 [2022-07-23 03:58:28,925 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] [2022-07-23 03:58:28,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8621 states. [2022-07-23 03:58:29,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8621 to 8614. [2022-07-23 03:58:29,295 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) [2022-07-23 03:58:29,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8614 states to 8614 states and 12104 transitions. [2022-07-23 03:58:29,332 INFO L78 Accepts]: Start accepts. Automaton has 8614 states and 12104 transitions. Word has length 223 [2022-07-23 03:58:29,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:58:29,332 INFO L495 AbstractCegarLoop]: Abstraction has 8614 states and 12104 transitions. [2022-07-23 03:58:29,333 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) [2022-07-23 03:58:29,333 INFO L276 IsEmpty]: Start isEmpty. Operand 8614 states and 12104 transitions. [2022-07-23 03:58:29,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-07-23 03:58:29,338 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:58:29,338 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] [2022-07-23 03:58:29,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 03:58:29,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:58:29,555 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:58:29,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:58:29,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1013556946, now seen corresponding path program 1 times [2022-07-23 03:58:29,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:58:29,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1422994469] [2022-07-23 03:58:29,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:58:29,560 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:58:29,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:58:29,572 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) [2022-07-23 03:58:29,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 03:58:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:33,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 4344 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:58:33,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:58:33,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 1245 trivial. 0 not checked. [2022-07-23 03:58:33,915 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:58:33,915 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:58:33,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1422994469] [2022-07-23 03:58:33,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1422994469] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:58:33,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:58:33,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:58:33,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111526228] [2022-07-23 03:58:33,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:58:33,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:58:33,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:58:33,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:58:33,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:58:33,917 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) [2022-07-23 03:58:34,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:58:34,552 INFO L93 Difference]: Finished difference Result 20388 states and 28656 transitions. [2022-07-23 03:58:34,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:58:34,553 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 [2022-07-23 03:58:34,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:58:34,649 INFO L225 Difference]: With dead ends: 20388 [2022-07-23 03:58:34,649 INFO L226 Difference]: Without dead ends: 14454 [2022-07-23 03:58:34,681 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 [2022-07-23 03:58:34,684 INFO L413 NwaCegarLoop]: 8243 mSDtfsCounter, 4503 mSDsluCounter, 4579 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4503 SdHoareTripleChecker+Valid, 12822 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:58:34,685 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] [2022-07-23 03:58:34,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14454 states. [2022-07-23 03:58:35,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14454 to 14448. [2022-07-23 03:58:35,510 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) [2022-07-23 03:58:35,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14448 states to 14448 states and 20314 transitions. [2022-07-23 03:58:35,589 INFO L78 Accepts]: Start accepts. Automaton has 14448 states and 20314 transitions. Word has length 251 [2022-07-23 03:58:35,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:58:35,591 INFO L495 AbstractCegarLoop]: Abstraction has 14448 states and 20314 transitions. [2022-07-23 03:58:35,592 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) [2022-07-23 03:58:35,592 INFO L276 IsEmpty]: Start isEmpty. Operand 14448 states and 20314 transitions. [2022-07-23 03:58:35,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-07-23 03:58:35,600 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:58:35,600 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] [2022-07-23 03:58:35,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 03:58:35,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:58:35,819 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:58:35,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:58:35,819 INFO L85 PathProgramCache]: Analyzing trace with hash 195908496, now seen corresponding path program 1 times [2022-07-23 03:58:35,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:58:35,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1229135045] [2022-07-23 03:58:35,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:58:35,823 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:58:35,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:58:35,825 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) [2022-07-23 03:58:35,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 03:58:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:39,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 4344 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 03:58:39,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:58:43,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2022-07-23 03:58:43,094 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:58:43,094 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:58:43,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1229135045] [2022-07-23 03:58:43,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1229135045] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:58:43,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:58:43,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:58:43,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437063531] [2022-07-23 03:58:43,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:58:43,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:58:43,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:58:43,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:58:43,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:58:43,095 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) [2022-07-23 03:58:43,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:58:43,677 INFO L93 Difference]: Finished difference Result 14448 states and 20314 transitions. [2022-07-23 03:58:43,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 03:58:43,678 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 [2022-07-23 03:58:43,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:58:43,731 INFO L225 Difference]: With dead ends: 14448 [2022-07-23 03:58:43,731 INFO L226 Difference]: Without dead ends: 11769 [2022-07-23 03:58:43,747 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 [2022-07-23 03:58:43,749 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, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 03:58:43,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4498 Valid, 9202 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 03:58:43,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11769 states. [2022-07-23 03:58:44,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11769 to 11769. [2022-07-23 03:58:44,198 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) [2022-07-23 03:58:44,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11769 states to 11769 states and 16548 transitions. [2022-07-23 03:58:44,242 INFO L78 Accepts]: Start accepts. Automaton has 11769 states and 16548 transitions. Word has length 251 [2022-07-23 03:58:44,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:58:44,242 INFO L495 AbstractCegarLoop]: Abstraction has 11769 states and 16548 transitions. [2022-07-23 03:58:44,242 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) [2022-07-23 03:58:44,243 INFO L276 IsEmpty]: Start isEmpty. Operand 11769 states and 16548 transitions. [2022-07-23 03:58:44,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-07-23 03:58:44,327 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:58:44,328 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] [2022-07-23 03:58:44,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 03:58:44,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:58:44,543 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:58:44,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:58:44,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1064779937, now seen corresponding path program 1 times [2022-07-23 03:58:44,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:58:44,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1977052989] [2022-07-23 03:58:44,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:58:44,550 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:58:44,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:58:44,551 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) [2022-07-23 03:58:44,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 03:58:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:48,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 4446 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:58:48,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:58:49,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1333 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1194 trivial. 0 not checked. [2022-07-23 03:58:49,590 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:58:49,590 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:58:49,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1977052989] [2022-07-23 03:58:49,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1977052989] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:58:49,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:58:49,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:58:49,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176748442] [2022-07-23 03:58:49,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:58:49,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:58:49,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:58:49,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:58:49,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:58:49,591 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) [2022-07-23 03:58:50,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:58:50,806 INFO L93 Difference]: Finished difference Result 26186 states and 36832 transitions. [2022-07-23 03:58:50,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:58:50,806 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 [2022-07-23 03:58:50,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:58:50,886 INFO L225 Difference]: With dead ends: 26186 [2022-07-23 03:58:50,886 INFO L226 Difference]: Without dead ends: 17097 [2022-07-23 03:58:50,924 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 [2022-07-23 03:58:50,925 INFO L413 NwaCegarLoop]: 8316 mSDtfsCounter, 3720 mSDsluCounter, 4510 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2022-07-23 03:58:50,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3720 Valid, 12826 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-23 03:58:50,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17097 states. [2022-07-23 03:58:51,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17097 to 17096. [2022-07-23 03:58:51,565 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) [2022-07-23 03:58:51,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17096 states to 17096 states and 24022 transitions. [2022-07-23 03:58:51,634 INFO L78 Accepts]: Start accepts. Automaton has 17096 states and 24022 transitions. Word has length 283 [2022-07-23 03:58:51,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:58:51,634 INFO L495 AbstractCegarLoop]: Abstraction has 17096 states and 24022 transitions. [2022-07-23 03:58:51,635 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) [2022-07-23 03:58:51,635 INFO L276 IsEmpty]: Start isEmpty. Operand 17096 states and 24022 transitions. [2022-07-23 03:58:51,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2022-07-23 03:58:51,663 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:58:51,663 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] [2022-07-23 03:58:51,744 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 03:58:51,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:58:51,880 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:58:51,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:58:51,881 INFO L85 PathProgramCache]: Analyzing trace with hash -2108861199, now seen corresponding path program 1 times [2022-07-23 03:58:51,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:58:51,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [830369429] [2022-07-23 03:58:51,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:58:51,885 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:58:51,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:58:51,889 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) [2022-07-23 03:58:51,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 03:58:56,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:58:56,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 4586 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:58:56,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:58:56,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1595 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 1476 trivial. 0 not checked. [2022-07-23 03:58:56,877 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:58:56,877 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:58:56,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [830369429] [2022-07-23 03:58:56,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [830369429] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:58:56,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:58:56,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:58:56,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633176698] [2022-07-23 03:58:56,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:58:56,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:58:56,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:58:56,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:58:56,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:58:56,879 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) [2022-07-23 03:58:58,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:58:58,051 INFO L93 Difference]: Finished difference Result 36834 states and 51766 transitions. [2022-07-23 03:58:58,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:58:58,052 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 [2022-07-23 03:58:58,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:58:58,138 INFO L225 Difference]: With dead ends: 36834 [2022-07-23 03:58:58,138 INFO L226 Difference]: Without dead ends: 19776 [2022-07-23 03:58:58,198 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 [2022-07-23 03:58:58,200 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 [2022-07-23 03:58:58,200 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] [2022-07-23 03:58:58,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19776 states. [2022-07-23 03:58:58,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19776 to 19775. [2022-07-23 03:58:58,861 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) [2022-07-23 03:58:58,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19775 states to 19775 states and 27775 transitions. [2022-07-23 03:58:58,941 INFO L78 Accepts]: Start accepts. Automaton has 19775 states and 27775 transitions. Word has length 357 [2022-07-23 03:58:58,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:58:58,942 INFO L495 AbstractCegarLoop]: Abstraction has 19775 states and 27775 transitions. [2022-07-23 03:58:58,942 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) [2022-07-23 03:58:58,942 INFO L276 IsEmpty]: Start isEmpty. Operand 19775 states and 27775 transitions. [2022-07-23 03:58:58,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2022-07-23 03:58:58,970 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:58:58,970 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] [2022-07-23 03:58:59,060 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-23 03:58:59,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:58:59,192 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:58:59,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:58:59,193 INFO L85 PathProgramCache]: Analyzing trace with hash 136718255, now seen corresponding path program 1 times [2022-07-23 03:58:59,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:58:59,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1791005546] [2022-07-23 03:58:59,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:58:59,200 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:58:59,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:58:59,213 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) [2022-07-23 03:58:59,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-23 03:59:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:59:03,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 4586 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 03:59:03,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:59:08,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1595 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2022-07-23 03:59:08,487 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:59:08,487 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:59:08,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1791005546] [2022-07-23 03:59:08,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1791005546] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:59:08,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:59:08,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:59:08,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153801015] [2022-07-23 03:59:08,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:59:08,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:59:08,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:59:08,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:59:08,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:59:08,488 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) [2022-07-23 03:59:12,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:59:12,713 INFO L93 Difference]: Finished difference Result 25298 states and 36085 transitions. [2022-07-23 03:59:12,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 03:59:12,714 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 [2022-07-23 03:59:12,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:59:12,722 INFO L225 Difference]: With dead ends: 25298 [2022-07-23 03:59:12,722 INFO L226 Difference]: Without dead ends: 0 [2022-07-23 03:59:12,813 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 [2022-07-23 03:59:12,814 INFO L413 NwaCegarLoop]: 5980 mSDtfsCounter, 5810 mSDsluCounter, 4897 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 322 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5810 SdHoareTripleChecker+Valid, 10877 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 322 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-07-23 03:59:12,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5810 Valid, 10877 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [322 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-07-23 03:59:12,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-23 03:59:12,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-23 03:59:12,816 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) [2022-07-23 03:59:12,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-23 03:59:12,822 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 357 [2022-07-23 03:59:12,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:59:12,822 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 03:59:12,823 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) [2022-07-23 03:59:12,823 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-23 03:59:12,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-23 03:59:12,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-07-23 03:59:12,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-07-23 03:59:12,938 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-07-23 03:59:13,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:59:13,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.