./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 899936809f134b7a18a7ac00d293808544b0e96b14603dc5a591cd3e9a61d6b6 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 01:17:16,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:17:16,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:17:16,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:17:16,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:17:16,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:17:16,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:17:16,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:17:16,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:17:16,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:17:16,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:17:16,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:17:16,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:17:16,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:17:16,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:17:16,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:17:16,868 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:17:16,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:17:16,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:17:16,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:17:16,871 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:17:16,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:17:16,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:17:16,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:17:16,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:17:16,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:17:16,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:17:16,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:17:16,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:17:16,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:17:16,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:17:16,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:17:16,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:17:16,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:17:16,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:17:16,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:17:16,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:17:16,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:17:16,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:17:16,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:17:16,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:17:16,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:17:16,886 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 01:17:16,900 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:17:16,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:17:16,901 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:17:16,901 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:17:16,901 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:17:16,901 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:17:16,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:17:16,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:17:16,902 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:17:16,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:17:16,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 01:17:16,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:17:16,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:17:16,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:17:16,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:17:16,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:17:16,903 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:17:16,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:17:16,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:17:16,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:17:16,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:17:16,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:17:16,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:17:16,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:17:16,904 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:17:16,904 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 01:17:16,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 01:17:16,905 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:17:16,905 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:17:16,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:17:16,905 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 899936809f134b7a18a7ac00d293808544b0e96b14603dc5a591cd3e9a61d6b6 [2022-07-20 01:17:17,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:17:17,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:17:17,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:17:17,092 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:17:17,093 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:17:17,094 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2022-07-20 01:17:17,148 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10ae91fb4/31c1d06f60f24bc890d92fc9a4fc381a/FLAG433d9355f [2022-07-20 01:17:17,878 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:17:17,879 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2022-07-20 01:17:17,957 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10ae91fb4/31c1d06f60f24bc890d92fc9a4fc381a/FLAG433d9355f [2022-07-20 01:17:18,170 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10ae91fb4/31c1d06f60f24bc890d92fc9a4fc381a [2022-07-20 01:17:18,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:17:18,174 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:17:18,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:17:18,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:17:18,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:17:18,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:17:18" (1/1) ... [2022-07-20 01:17:18,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@440fae5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:17:18, skipping insertion in model container [2022-07-20 01:17:18,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:17:18" (1/1) ... [2022-07-20 01:17:18,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:17:18,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:17:20,509 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i[478203,478216] [2022-07-20 01:17:20,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:17:20,628 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:17:20,874 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 [13101] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-20 01:17:20,881 INFO L158 Benchmark]: Toolchain (without parser) took 2706.50ms. Allocated memory was 123.7MB in the beginning and 302.0MB in the end (delta: 178.3MB). Free memory was 92.1MB in the beginning and 209.0MB in the end (delta: -116.9MB). Peak memory consumption was 127.7MB. Max. memory is 16.1GB. [2022-07-20 01:17:20,882 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 77.6MB. Free memory was 35.0MB in the beginning and 35.0MB in the end (delta: 36.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 01:17:20,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2704.05ms. Allocated memory was 123.7MB in the beginning and 302.0MB in the end (delta: 178.3MB). Free memory was 92.1MB in the beginning and 209.0MB in the end (delta: -116.9MB). Peak memory consumption was 127.7MB. Max. memory is 16.1GB. [2022-07-20 01:17:20,885 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 77.6MB. Free memory was 35.0MB in the beginning and 35.0MB in the end (delta: 36.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2704.05ms. Allocated memory was 123.7MB in the beginning and 302.0MB in the end (delta: 178.3MB). Free memory was 92.1MB in the beginning and 209.0MB in the end (delta: -116.9MB). Peak memory consumption was 127.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: eecd_reg = eecd_reg & 4294967283U [13101] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: eecd_reg = eecd_reg & 4294967283U [13101]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 899936809f134b7a18a7ac00d293808544b0e96b14603dc5a591cd3e9a61d6b6 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 01:17:22,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:17:22,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:17:22,471 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:17:22,471 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:17:22,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:17:22,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:17:22,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:17:22,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:17:22,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:17:22,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:17:22,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:17:22,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:17:22,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:17:22,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:17:22,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:17:22,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:17:22,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:17:22,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:17:22,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:17:22,499 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:17:22,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:17:22,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:17:22,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:17:22,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:17:22,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:17:22,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:17:22,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:17:22,517 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:17:22,518 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:17:22,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:17:22,518 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:17:22,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:17:22,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:17:22,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:17:22,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:17:22,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:17:22,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:17:22,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:17:22,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:17:22,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:17:22,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:17:22,525 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 01:17:22,557 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:17:22,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:17:22,558 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:17:22,558 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:17:22,559 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:17:22,559 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:17:22,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:17:22,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:17:22,560 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:17:22,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:17:22,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:17:22,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:17:22,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:17:22,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:17:22,562 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 01:17:22,562 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 01:17:22,562 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 01:17:22,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:17:22,562 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:17:22,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:17:22,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:17:22,563 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:17:22,563 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:17:22,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:17:22,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:17:22,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:17:22,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:17:22,564 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 01:17:22,564 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 01:17:22,564 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:17:22,564 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:17:22,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:17:22,564 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 01:17:22,565 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 899936809f134b7a18a7ac00d293808544b0e96b14603dc5a591cd3e9a61d6b6 [2022-07-20 01:17:22,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:17:22,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:17:22,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:17:22,829 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:17:22,829 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:17:22,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2022-07-20 01:17:22,891 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0998109d/c671d58b7a4741df87713fb899c5772b/FLAGa092547f9 [2022-07-20 01:17:23,665 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:17:23,665 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2022-07-20 01:17:23,717 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0998109d/c671d58b7a4741df87713fb899c5772b/FLAGa092547f9 [2022-07-20 01:17:24,163 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0998109d/c671d58b7a4741df87713fb899c5772b [2022-07-20 01:17:24,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:17:24,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:17:24,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:17:24,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:17:24,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:17:24,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:17:24" (1/1) ... [2022-07-20 01:17:24,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@555e9416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:17:24, skipping insertion in model container [2022-07-20 01:17:24,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:17:24" (1/1) ... [2022-07-20 01:17:24,175 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:17:24,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:17:26,861 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i[478203,478216] [2022-07-20 01:17:26,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:17:26,967 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 01:17:27,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:17:27,335 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i[478203,478216] [2022-07-20 01:17:27,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:17:27,401 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:17:27,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i[478203,478216] [2022-07-20 01:17:27,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:17:28,030 INFO L208 MainTranslator]: Completed translation [2022-07-20 01:17:28,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:17:28 WrapperNode [2022-07-20 01:17:28,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 01:17:28,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 01:17:28,032 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 01:17:28,032 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 01:17:28,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:17:28" (1/1) ... [2022-07-20 01:17:28,162 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:17:28" (1/1) ... [2022-07-20 01:17:28,415 INFO L137 Inliner]: procedures = 464, calls = 6036, calls flagged for inlining = 203, calls inlined = 184, statements flattened = 11044 [2022-07-20 01:17:28,416 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 01:17:28,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 01:17:28,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 01:17:28,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 01:17:28,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:17:28" (1/1) ... [2022-07-20 01:17:28,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:17:28" (1/1) ... [2022-07-20 01:17:28,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:17:28" (1/1) ... [2022-07-20 01:17:28,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:17:28" (1/1) ... [2022-07-20 01:17:28,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:17:28" (1/1) ... [2022-07-20 01:17:28,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:17:28" (1/1) ... [2022-07-20 01:17:28,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:17:28" (1/1) ... [2022-07-20 01:17:28,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 01:17:28,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 01:17:28,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 01:17:28,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 01:17:28,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:17:28" (1/1) ... [2022-07-20 01:17:28,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:17:28,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:17:28,789 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) [2022-07-20 01:17:28,818 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 01:17:28,819 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 01:17:28,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 01:17:28,807 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 [2022-07-20 01:17:28,827 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 01:17:28,828 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 01:17:28,828 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 01:17:28,828 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2022-07-20 01:17:28,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2022-07-20 01:17:28,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 01:17:28,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 01:17:28,828 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2022-07-20 01:17:28,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2022-07-20 01:17:28,829 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_error_detected [2022-07-20 01:17:28,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_error_detected [2022-07-20 01:17:28,829 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-20 01:17:28,829 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-20 01:17:28,829 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2022-07-20 01:17:28,830 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2022-07-20 01:17:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 01:17:28,830 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 01:17:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-20 01:17:28,830 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-20 01:17:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 01:17:28,830 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 01:17:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout_task [2022-07-20 01:17:28,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout_task [2022-07-20 01:17:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2022-07-20 01:17:28,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2022-07-20 01:17:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2022-07-20 01:17:28,831 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2022-07-20 01:17:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2022-07-20 01:17:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2022-07-20 01:17:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2022-07-20 01:17:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2022-07-20 01:17:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-20 01:17:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-20 01:17:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_features [2022-07-20 01:17:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_features [2022-07-20 01:17:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2022-07-20 01:17:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2022-07-20 01:17:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2022-07-20 01:17:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2022-07-20 01:17:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 01:17:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 01:17:28,834 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 01:17:28,834 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 01:17:28,834 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-20 01:17:28,834 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-20 01:17:28,835 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 01:17:28,835 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 01:17:28,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 01:17:28,835 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-20 01:17:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-20 01:17:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 01:17:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 01:17:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 01:17:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2022-07-20 01:17:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2022-07-20 01:17:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 01:17:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 01:17:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2022-07-20 01:17:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2022-07-20 01:17:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 01:17:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 01:17:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2022-07-20 01:17:28,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2022-07-20 01:17:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2022-07-20 01:17:28,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2022-07-20 01:17:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 01:17:28,839 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 01:17:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2022-07-20 01:17:28,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2022-07-20 01:17:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2022-07-20 01:17:28,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2022-07-20 01:17:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-07-20 01:17:28,839 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-07-20 01:17:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2022-07-20 01:17:28,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2022-07-20 01:17:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-20 01:17:28,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-20 01:17:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2022-07-20 01:17:28,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2022-07-20 01:17:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 01:17:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 01:17:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-20 01:17:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-20 01:17:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 01:17:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 01:17:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-20 01:17:28,842 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-20 01:17:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 01:17:28,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 01:17:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2022-07-20 01:17:28,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2022-07-20 01:17:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-20 01:17:28,843 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-20 01:17:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 01:17:28,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 01:17:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2022-07-20 01:17:28,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2022-07-20 01:17:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2022-07-20 01:17:28,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2022-07-20 01:17:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 01:17:28,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 01:17:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2022-07-20 01:17:28,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2022-07-20 01:17:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 01:17:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-20 01:17:28,845 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-20 01:17:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 01:17:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-20 01:17:28,846 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-20 01:17:28,848 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 01:17:28,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 01:17:28,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 01:17:28,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 01:17:28,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 01:17:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 01:17:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-07-20 01:17:28,850 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-07-20 01:17:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2022-07-20 01:17:28,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2022-07-20 01:17:28,854 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2022-07-20 01:17:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2022-07-20 01:17:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-20 01:17:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-20 01:17:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2022-07-20 01:17:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2022-07-20 01:17:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-20 01:17:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-20 01:17:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2022-07-20 01:17:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2022-07-20 01:17:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2022-07-20 01:17:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2022-07-20 01:17:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-20 01:17:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-20 01:17:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 01:17:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 01:17:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2022-07-20 01:17:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2022-07-20 01:17:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2022-07-20 01:17:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2022-07-20 01:17:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2022-07-20 01:17:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2022-07-20 01:17:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-20 01:17:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-20 01:17:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 01:17:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 01:17:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 01:17:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 01:17:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 01:17:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-20 01:17:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-20 01:17:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 01:17:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-20 01:17:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-20 01:17:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 01:17:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 01:17:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 01:17:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 01:17:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 01:17:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 01:17:28,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 01:17:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-20 01:17:28,859 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-20 01:17:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-20 01:17:28,859 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-20 01:17:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2022-07-20 01:17:28,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2022-07-20 01:17:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2022-07-20 01:17:28,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2022-07-20 01:17:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 01:17:28,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 01:17:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2022-07-20 01:17:28,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2022-07-20 01:17:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-20 01:17:28,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-20 01:17:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 01:17:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 01:17:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 01:17:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 01:17:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 01:17:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 01:17:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-20 01:17:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-20 01:17:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-20 01:17:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-20 01:17:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-20 01:17:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-20 01:17:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 01:17:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-20 01:17:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-20 01:17:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 01:17:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 01:17:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 01:17:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_kill_vid [2022-07-20 01:17:28,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_kill_vid [2022-07-20 01:17:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 01:17:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 01:17:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 01:17:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-20 01:17:28,863 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-20 01:17:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 01:17:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 01:17:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_change_mtu [2022-07-20 01:17:28,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_change_mtu [2022-07-20 01:17:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-20 01:17:28,864 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-20 01:17:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-20 01:17:28,864 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-20 01:17:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 01:17:28,864 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 01:17:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-20 01:17:28,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-20 01:17:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2022-07-20 01:17:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2022-07-20 01:17:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2022-07-20 01:17:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2022-07-20 01:17:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_fix_features [2022-07-20 01:17:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_fix_features [2022-07-20 01:17:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-20 01:17:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-20 01:17:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-07-20 01:17:28,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-07-20 01:17:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 01:17:28,866 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 01:17:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_slot_reset [2022-07-20 01:17:28,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_slot_reset [2022-07-20 01:17:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-20 01:17:28,866 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-20 01:17:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 01:17:28,866 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 01:17:28,867 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2022-07-20 01:17:28,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2022-07-20 01:17:28,867 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-20 01:17:28,867 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-20 01:17:28,867 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 01:17:28,867 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 01:17:28,868 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_mac [2022-07-20 01:17:28,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_mac [2022-07-20 01:17:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2022-07-20 01:17:28,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2022-07-20 01:17:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 01:17:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 01:17:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 01:17:28,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 01:17:28,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 01:17:28,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 01:17:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2022-07-20 01:17:28,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2022-07-20 01:17:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2022-07-20 01:17:28,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2022-07-20 01:17:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 01:17:28,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 01:17:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-20 01:17:28,872 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-20 01:17:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-20 01:17:28,873 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-20 01:17:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2022-07-20 01:17:28,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2022-07-20 01:17:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-07-20 01:17:28,873 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-07-20 01:17:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-20 01:17:28,873 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-20 01:17:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2022-07-20 01:17:28,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2022-07-20 01:17:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2022-07-20 01:17:28,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2022-07-20 01:17:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2022-07-20 01:17:28,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2022-07-20 01:17:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-20 01:17:28,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-20 01:17:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2022-07-20 01:17:28,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2022-07-20 01:17:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2022-07-20 01:17:28,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2022-07-20 01:17:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-20 01:17:28,875 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-20 01:17:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_stats [2022-07-20 01:17:28,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_stats [2022-07-20 01:17:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-20 01:17:28,875 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-20 01:17:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-20 01:17:28,875 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-20 01:17:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-20 01:17:28,876 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2022-07-20 01:17:28,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2022-07-20 01:17:29,839 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 01:17:29,844 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 01:17:30,605 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 01:19:22,125 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 01:19:22,140 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 01:19:22,141 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 01:19:22,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:19:22 BoogieIcfgContainer [2022-07-20 01:19:22,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 01:19:22,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 01:19:22,145 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 01:19:22,147 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 01:19:22,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:17:24" (1/3) ... [2022-07-20 01:19:22,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ebc89f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:19:22, skipping insertion in model container [2022-07-20 01:19:22,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:17:28" (2/3) ... [2022-07-20 01:19:22,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ebc89f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:19:22, skipping insertion in model container [2022-07-20 01:19:22,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:19:22" (3/3) ... [2022-07-20 01:19:22,149 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2022-07-20 01:19:22,159 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 01:19:22,159 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 01:19:22,243 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 01:19:22,248 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@54881c28, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7109a824 [2022-07-20 01:19:22,248 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 01:19:22,257 INFO L276 IsEmpty]: Start isEmpty. Operand has 3096 states, 2096 states have (on average 1.3005725190839694) internal successors, (2726), 2129 states have internal predecessors, (2726), 871 states have call successors, (871), 128 states have call predecessors, (871), 127 states have return successors, (862), 858 states have call predecessors, (862), 862 states have call successors, (862) [2022-07-20 01:19:22,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-20 01:19:22,277 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:19:22,281 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:19:22,281 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:19:22,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:19:22,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1608542857, now seen corresponding path program 1 times [2022-07-20 01:19:22,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:19:22,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [435121952] [2022-07-20 01:19:22,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:19:22,307 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:19:22,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:19:22,309 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) [2022-07-20 01:19:22,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 01:19:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:19:25,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 4424 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-20 01:19:25,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:19:25,877 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2022-07-20 01:19:25,877 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:19:25,878 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:19:25,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [435121952] [2022-07-20 01:19:25,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [435121952] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:19:25,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:19:25,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 01:19:25,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310704230] [2022-07-20 01:19:25,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:19:25,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-20 01:19:25,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:19:25,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-20 01:19:25,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-20 01:19:25,925 INFO L87 Difference]: Start difference. First operand has 3096 states, 2096 states have (on average 1.3005725190839694) internal successors, (2726), 2129 states have internal predecessors, (2726), 871 states have call successors, (871), 128 states have call predecessors, (871), 127 states have return successors, (862), 858 states have call predecessors, (862), 862 states have call successors, (862) Second operand has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 01:19:26,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:19:26,094 INFO L93 Difference]: Finished difference Result 6187 states and 8979 transitions. [2022-07-20 01:19:26,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-20 01:19:26,096 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 172 [2022-07-20 01:19:26,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:19:26,122 INFO L225 Difference]: With dead ends: 6187 [2022-07-20 01:19:26,122 INFO L226 Difference]: Without dead ends: 3057 [2022-07-20 01:19:26,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-20 01:19:26,154 INFO L413 NwaCegarLoop]: 4453 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4453 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 01:19:26,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4453 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 01:19:26,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3057 states. [2022-07-20 01:19:26,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3057 to 3057. [2022-07-20 01:19:26,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3057 states, 2068 states have (on average 1.2886847195357833) internal successors, (2665), 2090 states have internal predecessors, (2665), 862 states have call successors, (862), 127 states have call predecessors, (862), 126 states have return successors, (860), 856 states have call predecessors, (860), 860 states have call successors, (860) [2022-07-20 01:19:26,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 3057 states and 4387 transitions. [2022-07-20 01:19:26,378 INFO L78 Accepts]: Start accepts. Automaton has 3057 states and 4387 transitions. Word has length 172 [2022-07-20 01:19:26,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:19:26,379 INFO L495 AbstractCegarLoop]: Abstraction has 3057 states and 4387 transitions. [2022-07-20 01:19:26,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 01:19:26,379 INFO L276 IsEmpty]: Start isEmpty. Operand 3057 states and 4387 transitions. [2022-07-20 01:19:26,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-20 01:19:26,387 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:19:26,387 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:19:26,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 01:19:26,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:19:26,604 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:19:26,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:19:26,604 INFO L85 PathProgramCache]: Analyzing trace with hash -333627761, now seen corresponding path program 1 times [2022-07-20 01:19:26,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:19:26,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [307978584] [2022-07-20 01:19:26,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:19:26,607 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:19:26,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:19:26,610 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) [2022-07-20 01:19:26,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 01:19:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:19:30,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 4424 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-20 01:19:30,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:19:30,900 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2022-07-20 01:19:30,900 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:19:30,900 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:19:30,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [307978584] [2022-07-20 01:19:30,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [307978584] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:19:30,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:19:30,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:19:30,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416687821] [2022-07-20 01:19:30,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:19:30,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:19:30,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:19:30,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:19:30,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:19:30,903 INFO L87 Difference]: Start difference. First operand 3057 states and 4387 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-20 01:19:33,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:19:33,291 INFO L93 Difference]: Finished difference Result 6110 states and 8783 transitions. [2022-07-20 01:19:33,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 01:19:33,293 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 172 [2022-07-20 01:19:33,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:19:33,315 INFO L225 Difference]: With dead ends: 6110 [2022-07-20 01:19:33,315 INFO L226 Difference]: Without dead ends: 3060 [2022-07-20 01:19:33,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-20 01:19:33,333 INFO L413 NwaCegarLoop]: 4367 mSDtfsCounter, 6 mSDsluCounter, 17430 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 21797 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-20 01:19:33,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 21797 Invalid, 144 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-20 01:19:33,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3060 states. [2022-07-20 01:19:33,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3060 to 3060. [2022-07-20 01:19:33,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3060 states, 2070 states have (on average 1.288888888888889) internal successors, (2668), 2093 states have internal predecessors, (2668), 862 states have call successors, (862), 127 states have call predecessors, (862), 127 states have return successors, (865), 856 states have call predecessors, (865), 860 states have call successors, (865) [2022-07-20 01:19:33,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 3060 states and 4395 transitions. [2022-07-20 01:19:33,457 INFO L78 Accepts]: Start accepts. Automaton has 3060 states and 4395 transitions. Word has length 172 [2022-07-20 01:19:33,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:19:33,459 INFO L495 AbstractCegarLoop]: Abstraction has 3060 states and 4395 transitions. [2022-07-20 01:19:33,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-20 01:19:33,459 INFO L276 IsEmpty]: Start isEmpty. Operand 3060 states and 4395 transitions. [2022-07-20 01:19:33,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-07-20 01:19:33,462 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:19:33,462 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:19:33,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 01:19:33,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:19:33,675 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:19:33,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:19:33,676 INFO L85 PathProgramCache]: Analyzing trace with hash -573758929, now seen corresponding path program 1 times [2022-07-20 01:19:33,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:19:33,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1450319333] [2022-07-20 01:19:33,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:19:33,679 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:19:33,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:19:33,681 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) [2022-07-20 01:19:33,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 01:19:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:19:37,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 4512 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-20 01:19:37,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:19:38,389 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 84 proven. 1 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-07-20 01:19:38,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 01:19:40,702 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-07-20 01:19:40,702 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:19:40,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1450319333] [2022-07-20 01:19:40,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1450319333] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 01:19:40,703 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 01:19:40,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-20 01:19:40,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237022700] [2022-07-20 01:19:40,703 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 01:19:40,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-20 01:19:40,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:19:40,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-20 01:19:40,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-20 01:19:40,704 INFO L87 Difference]: Start difference. First operand 3060 states and 4395 transitions. Second operand has 11 states, 9 states have (on average 8.88888888888889) internal successors, (80), 11 states have internal predecessors, (80), 4 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2022-07-20 01:19:44,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:19:44,769 INFO L93 Difference]: Finished difference Result 6121 states and 8805 transitions. [2022-07-20 01:19:44,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-20 01:19:44,770 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 8.88888888888889) internal successors, (80), 11 states have internal predecessors, (80), 4 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 180 [2022-07-20 01:19:44,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:19:44,790 INFO L225 Difference]: With dead ends: 6121 [2022-07-20 01:19:44,790 INFO L226 Difference]: Without dead ends: 3068 [2022-07-20 01:19:44,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-20 01:19:44,810 INFO L413 NwaCegarLoop]: 4369 mSDtfsCounter, 12 mSDsluCounter, 26147 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 30516 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-20 01:19:44,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 30516 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-07-20 01:19:44,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3068 states. [2022-07-20 01:19:44,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3068 to 3066. [2022-07-20 01:19:44,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3066 states, 2074 states have (on average 1.2888138862102219) internal successors, (2673), 2097 states have internal predecessors, (2673), 863 states have call successors, (863), 128 states have call predecessors, (863), 128 states have return successors, (866), 857 states have call predecessors, (866), 861 states have call successors, (866) [2022-07-20 01:19:44,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3066 states to 3066 states and 4402 transitions. [2022-07-20 01:19:44,933 INFO L78 Accepts]: Start accepts. Automaton has 3066 states and 4402 transitions. Word has length 180 [2022-07-20 01:19:44,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:19:44,934 INFO L495 AbstractCegarLoop]: Abstraction has 3066 states and 4402 transitions. [2022-07-20 01:19:44,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 8.88888888888889) internal successors, (80), 11 states have internal predecessors, (80), 4 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2022-07-20 01:19:44,934 INFO L276 IsEmpty]: Start isEmpty. Operand 3066 states and 4402 transitions. [2022-07-20 01:19:44,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-07-20 01:19:44,937 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:19:44,937 INFO L195 NwaCegarLoop]: trace histogram [16, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:19:45,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 01:19:45,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:19:45,153 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:19:45,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:19:45,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1319599759, now seen corresponding path program 2 times [2022-07-20 01:19:45,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:19:45,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [446638553] [2022-07-20 01:19:45,157 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 01:19:45,157 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:19:45,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:19:45,158 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) [2022-07-20 01:19:45,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 01:19:48,241 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 01:19:48,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 01:19:48,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 4064 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:19:48,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:19:48,687 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2022-07-20 01:19:48,687 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:19:48,687 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:19:48,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [446638553] [2022-07-20 01:19:48,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [446638553] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:19:48,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:19:48,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:19:48,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754861960] [2022-07-20 01:19:48,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:19:48,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:19:48,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:19:48,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:19:48,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:19:48,688 INFO L87 Difference]: Start difference. First operand 3066 states and 4402 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-20 01:19:50,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:19:50,584 INFO L93 Difference]: Finished difference Result 8571 states and 12288 transitions. [2022-07-20 01:19:50,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:19:50,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 188 [2022-07-20 01:19:50,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:19:50,621 INFO L225 Difference]: With dead ends: 8571 [2022-07-20 01:19:50,622 INFO L226 Difference]: Without dead ends: 5536 [2022-07-20 01:19:50,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:19:50,640 INFO L413 NwaCegarLoop]: 5371 mSDtfsCounter, 3552 mSDsluCounter, 4219 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3552 SdHoareTripleChecker+Valid, 9590 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-20 01:19:50,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3552 Valid, 9590 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-20 01:19:50,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5536 states. [2022-07-20 01:19:50,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5536 to 5514. [2022-07-20 01:19:50,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5514 states, 3711 states have (on average 1.2829426030719482) internal successors, (4761), 3751 states have internal predecessors, (4761), 1566 states have call successors, (1566), 235 states have call predecessors, (1566), 236 states have return successors, (1574), 1554 states have call predecessors, (1574), 1564 states have call successors, (1574) [2022-07-20 01:19:50,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5514 states to 5514 states and 7901 transitions. [2022-07-20 01:19:50,952 INFO L78 Accepts]: Start accepts. Automaton has 5514 states and 7901 transitions. Word has length 188 [2022-07-20 01:19:50,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:19:50,954 INFO L495 AbstractCegarLoop]: Abstraction has 5514 states and 7901 transitions. [2022-07-20 01:19:50,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-20 01:19:50,955 INFO L276 IsEmpty]: Start isEmpty. Operand 5514 states and 7901 transitions. [2022-07-20 01:19:50,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-07-20 01:19:50,959 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:19:50,960 INFO L195 NwaCegarLoop]: trace histogram [16, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 01:19:51,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 01:19:51,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:19:51,183 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:19:51,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:19:51,184 INFO L85 PathProgramCache]: Analyzing trace with hash 820005464, now seen corresponding path program 1 times [2022-07-20 01:19:51,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:19:51,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1613618187] [2022-07-20 01:19:51,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:19:51,187 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:19:51,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:19:51,188 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) [2022-07-20 01:19:51,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 01:19:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:19:55,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 4843 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-20 01:19:55,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:19:56,362 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 119 proven. 3 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2022-07-20 01:19:56,363 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 01:19:59,215 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2022-07-20 01:19:59,216 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:19:59,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1613618187] [2022-07-20 01:19:59,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1613618187] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 01:19:59,227 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 01:19:59,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-20 01:19:59,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051415231] [2022-07-20 01:19:59,228 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 01:19:59,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-20 01:19:59,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:19:59,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-20 01:19:59,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-20 01:19:59,230 INFO L87 Difference]: Start difference. First operand 5514 states and 7901 transitions. Second operand has 13 states, 11 states have (on average 11.636363636363637) internal successors, (128), 13 states have internal predecessors, (128), 4 states have call successors, (51), 2 states have call predecessors, (51), 5 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) [2022-07-20 01:20:05,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:20:05,047 INFO L93 Difference]: Finished difference Result 11043 states and 15852 transitions. [2022-07-20 01:20:05,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-20 01:20:05,049 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 11.636363636363637) internal successors, (128), 13 states have internal predecessors, (128), 4 states have call successors, (51), 2 states have call predecessors, (51), 5 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) Word has length 237 [2022-07-20 01:20:05,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:20:05,091 INFO L225 Difference]: With dead ends: 11043 [2022-07-20 01:20:05,091 INFO L226 Difference]: Without dead ends: 5533 [2022-07-20 01:20:05,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 477 GetRequests, 461 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2022-07-20 01:20:05,116 INFO L413 NwaCegarLoop]: 4372 mSDtfsCounter, 26 mSDsluCounter, 30517 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 34889 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-07-20 01:20:05,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 34889 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-07-20 01:20:05,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5533 states. [2022-07-20 01:20:05,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5533 to 5527. [2022-07-20 01:20:05,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5527 states, 3721 states have (on average 1.2832571889277076) internal successors, (4775), 3761 states have internal predecessors, (4775), 1567 states have call successors, (1567), 237 states have call predecessors, (1567), 238 states have return successors, (1580), 1555 states have call predecessors, (1580), 1565 states have call successors, (1580) [2022-07-20 01:20:05,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5527 states to 5527 states and 7922 transitions. [2022-07-20 01:20:05,352 INFO L78 Accepts]: Start accepts. Automaton has 5527 states and 7922 transitions. Word has length 237 [2022-07-20 01:20:05,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:20:05,353 INFO L495 AbstractCegarLoop]: Abstraction has 5527 states and 7922 transitions. [2022-07-20 01:20:05,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 11.636363636363637) internal successors, (128), 13 states have internal predecessors, (128), 4 states have call successors, (51), 2 states have call predecessors, (51), 5 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) [2022-07-20 01:20:05,353 INFO L276 IsEmpty]: Start isEmpty. Operand 5527 states and 7922 transitions. [2022-07-20 01:20:05,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-07-20 01:20:05,357 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:20:05,357 INFO L195 NwaCegarLoop]: trace histogram [20, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 01:20:05,457 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-20 01:20:05,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:20:05,577 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:20:05,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:20:05,577 INFO L85 PathProgramCache]: Analyzing trace with hash 31492088, now seen corresponding path program 2 times [2022-07-20 01:20:05,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:20:05,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [733332798] [2022-07-20 01:20:05,581 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 01:20:05,581 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:20:05,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:20:05,582 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) [2022-07-20 01:20:05,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 01:20:08,748 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 01:20:08,748 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 01:20:08,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 4071 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:20:08,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:20:09,114 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2022-07-20 01:20:09,114 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:20:09,114 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:20:09,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [733332798] [2022-07-20 01:20:09,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [733332798] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:20:09,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:20:09,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:20:09,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340678375] [2022-07-20 01:20:09,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:20:09,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:20:09,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:20:09,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:20:09,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:20:09,116 INFO L87 Difference]: Start difference. First operand 5527 states and 7922 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-20 01:20:10,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:20:10,126 INFO L93 Difference]: Finished difference Result 16259 states and 23290 transitions. [2022-07-20 01:20:10,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:20:10,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 241 [2022-07-20 01:20:10,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:20:10,175 INFO L225 Difference]: With dead ends: 16259 [2022-07-20 01:20:10,175 INFO L226 Difference]: Without dead ends: 10772 [2022-07-20 01:20:10,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:20:10,194 INFO L413 NwaCegarLoop]: 5428 mSDtfsCounter, 4193 mSDsluCounter, 4314 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4193 SdHoareTripleChecker+Valid, 9742 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 01:20:10,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4193 Valid, 9742 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 01:20:10,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10772 states. [2022-07-20 01:20:10,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10772 to 10766. [2022-07-20 01:20:10,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10766 states, 7253 states have (on average 1.2818144216186405) internal successors, (9297), 7330 states have internal predecessors, (9297), 3045 states have call successors, (3045), 464 states have call predecessors, (3045), 467 states have return successors, (3068), 3023 states have call predecessors, (3068), 3043 states have call successors, (3068) [2022-07-20 01:20:10,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10766 states to 10766 states and 15410 transitions. [2022-07-20 01:20:10,622 INFO L78 Accepts]: Start accepts. Automaton has 10766 states and 15410 transitions. Word has length 241 [2022-07-20 01:20:10,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:20:10,623 INFO L495 AbstractCegarLoop]: Abstraction has 10766 states and 15410 transitions. [2022-07-20 01:20:10,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-20 01:20:10,624 INFO L276 IsEmpty]: Start isEmpty. Operand 10766 states and 15410 transitions. [2022-07-20 01:20:10,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2022-07-20 01:20:10,633 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:20:10,633 INFO L195 NwaCegarLoop]: trace histogram [32, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:20:10,702 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-20 01:20:10,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:20:10,859 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:20:10,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:20:10,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1329511175, now seen corresponding path program 1 times [2022-07-20 01:20:10,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:20:10,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1014307093] [2022-07-20 01:20:10,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:20:10,864 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:20:10,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:20:10,865 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) [2022-07-20 01:20:10,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-20 01:20:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:20:15,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 5394 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-20 01:20:15,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:20:16,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 584 proven. 6 refuted. 0 times theorem prover too weak. 1654 trivial. 0 not checked. [2022-07-20 01:20:16,666 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 01:20:20,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 232 refuted. 0 times theorem prover too weak. 2012 trivial. 0 not checked. [2022-07-20 01:20:20,375 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:20:20,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1014307093] [2022-07-20 01:20:20,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1014307093] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 01:20:20,375 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 01:20:20,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-20 01:20:20,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647991265] [2022-07-20 01:20:20,376 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 01:20:20,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-20 01:20:20,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:20:20,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-20 01:20:20,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-20 01:20:20,378 INFO L87 Difference]: Start difference. First operand 10766 states and 15410 transitions. Second operand has 15 states, 13 states have (on average 8.923076923076923) internal successors, (116), 15 states have internal predecessors, (116), 4 states have call successors, (57), 2 states have call predecessors, (57), 5 states have return successors, (55), 4 states have call predecessors, (55), 4 states have call successors, (55) [2022-07-20 01:20:30,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:20:30,135 INFO L93 Difference]: Finished difference Result 21563 states and 30915 transitions. [2022-07-20 01:20:30,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-20 01:20:30,137 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 8.923076923076923) internal successors, (116), 15 states have internal predecessors, (116), 4 states have call successors, (57), 2 states have call predecessors, (57), 5 states have return successors, (55), 4 states have call predecessors, (55), 4 states have call successors, (55) Word has length 387 [2022-07-20 01:20:30,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:20:30,177 INFO L225 Difference]: With dead ends: 21563 [2022-07-20 01:20:30,177 INFO L226 Difference]: Without dead ends: 10792 [2022-07-20 01:20:30,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 778 GetRequests, 759 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2022-07-20 01:20:30,210 INFO L413 NwaCegarLoop]: 4373 mSDtfsCounter, 27 mSDsluCounter, 47971 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 52344 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-07-20 01:20:30,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 52344 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-07-20 01:20:30,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10792 states. [2022-07-20 01:20:30,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10792 to 10770. [2022-07-20 01:20:30,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10770 states, 7257 states have (on average 1.282210279729916) internal successors, (9305), 7334 states have internal predecessors, (9305), 3045 states have call successors, (3045), 464 states have call predecessors, (3045), 467 states have return successors, (3068), 3023 states have call predecessors, (3068), 3043 states have call successors, (3068) [2022-07-20 01:20:30,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10770 states to 10770 states and 15418 transitions. [2022-07-20 01:20:30,649 INFO L78 Accepts]: Start accepts. Automaton has 10770 states and 15418 transitions. Word has length 387 [2022-07-20 01:20:30,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:20:30,650 INFO L495 AbstractCegarLoop]: Abstraction has 10770 states and 15418 transitions. [2022-07-20 01:20:30,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 8.923076923076923) internal successors, (116), 15 states have internal predecessors, (116), 4 states have call successors, (57), 2 states have call predecessors, (57), 5 states have return successors, (55), 4 states have call predecessors, (55), 4 states have call successors, (55) [2022-07-20 01:20:30,650 INFO L276 IsEmpty]: Start isEmpty. Operand 10770 states and 15418 transitions. [2022-07-20 01:20:30,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2022-07-20 01:20:30,659 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:20:30,660 INFO L195 NwaCegarLoop]: trace histogram [40, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:20:30,760 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-07-20 01:20:30,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:20:30,879 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:20:30,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:20:30,880 INFO L85 PathProgramCache]: Analyzing trace with hash -238388093, now seen corresponding path program 2 times [2022-07-20 01:20:30,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:20:30,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1657270618] [2022-07-20 01:20:30,884 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 01:20:30,884 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:20:30,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:20:30,885 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 01:20:30,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-20 01:20:34,122 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 01:20:34,123 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 01:20:34,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 4095 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:20:34,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:20:43,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2624 trivial. 0 not checked. [2022-07-20 01:20:43,753 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:20:43,753 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:20:43,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1657270618] [2022-07-20 01:20:43,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1657270618] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:20:43,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:20:43,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 01:20:43,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063237660] [2022-07-20 01:20:43,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:20:43,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:20:43,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:20:43,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:20:43,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:20:43,760 INFO L87 Difference]: Start difference. First operand 10770 states and 15418 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-07-20 01:20:43,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:20:43,919 INFO L93 Difference]: Finished difference Result 10770 states and 15418 transitions. [2022-07-20 01:20:43,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:20:43,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 395 [2022-07-20 01:20:43,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:20:43,921 INFO L225 Difference]: With dead ends: 10770 [2022-07-20 01:20:43,921 INFO L226 Difference]: Without dead ends: 0 [2022-07-20 01:20:43,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:20:43,948 INFO L413 NwaCegarLoop]: 4380 mSDtfsCounter, 4247 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4247 SdHoareTripleChecker+Valid, 4380 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 01:20:43,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4247 Valid, 4380 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 01:20:43,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-20 01:20:43,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-20 01:20:43,949 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) [2022-07-20 01:20:43,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-20 01:20:43,953 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 395 [2022-07-20 01:20:43,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:20:43,953 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-20 01:20:43,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-07-20 01:20:43,953 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-20 01:20:43,953 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-20 01:20:43,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-20 01:20:44,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-20 01:20:44,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:20:44,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.