./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 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-791161d [2022-07-23 01:31:36,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 01:31:36,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 01:31:36,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 01:31:36,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 01:31:36,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 01:31:36,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 01:31:36,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 01:31:36,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 01:31:36,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 01:31:36,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 01:31:36,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 01:31:36,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 01:31:36,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 01:31:36,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 01:31:36,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 01:31:36,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 01:31:36,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 01:31:36,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 01:31:36,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 01:31:36,989 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 01:31:36,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 01:31:36,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 01:31:36,992 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 01:31:36,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 01:31:36,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 01:31:36,996 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 01:31:36,996 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 01:31:36,997 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 01:31:36,997 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 01:31:36,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 01:31:36,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 01:31:36,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 01:31:37,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 01:31:37,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 01:31:37,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 01:31:37,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 01:31:37,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 01:31:37,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 01:31:37,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 01:31:37,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 01:31:37,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 01:31:37,005 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 01:31:37,031 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 01:31:37,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 01:31:37,032 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 01:31:37,032 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 01:31:37,032 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 01:31:37,033 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 01:31:37,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 01:31:37,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 01:31:37,033 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 01:31:37,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 01:31:37,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 01:31:37,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 01:31:37,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 01:31:37,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 01:31:37,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 01:31:37,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 01:31:37,035 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 01:31:37,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 01:31:37,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 01:31:37,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 01:31:37,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 01:31:37,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:31:37,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 01:31:37,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 01:31:37,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 01:31:37,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 01:31:37,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 01:31:37,036 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 01:31:37,037 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 01:31:37,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 01:31:37,037 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 899936809f134b7a18a7ac00d293808544b0e96b14603dc5a591cd3e9a61d6b6 [2022-07-23 01:31:37,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 01:31:37,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 01:31:37,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 01:31:37,242 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 01:31:37,243 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 01:31:37,243 INFO L432 ainManager$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 [2022-07-23 01:31:37,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebc789876/5cbfb2fddfd0444790adf1cf4d654db8/FLAG77654ad3a [2022-07-23 01:31:38,015 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 01:31:38,016 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 [2022-07-23 01:31:38,073 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebc789876/5cbfb2fddfd0444790adf1cf4d654db8/FLAG77654ad3a [2022-07-23 01:31:38,566 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebc789876/5cbfb2fddfd0444790adf1cf4d654db8 [2022-07-23 01:31:38,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 01:31:38,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 01:31:38,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 01:31:38,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 01:31:38,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 01:31:38,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:31:38" (1/1) ... [2022-07-23 01:31:38,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f05cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:31:38, skipping insertion in model container [2022-07-23 01:31:38,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:31:38" (1/1) ... [2022-07-23 01:31:38,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 01:31:38,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:31:40,848 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] [2022-07-23 01:31:40,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:31:40,952 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 01:31:41,246 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) [2022-07-23 01:31:41,251 INFO L158 Benchmark]: Toolchain (without parser) took 2681.51ms. Allocated memory was 121.6MB in the beginning and 241.2MB in the end (delta: 119.5MB). Free memory was 85.6MB in the beginning and 129.5MB in the end (delta: -43.9MB). Peak memory consumption was 94.7MB. Max. memory is 16.1GB. [2022-07-23 01:31:41,251 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 01:31:41,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2680.25ms. Allocated memory was 121.6MB in the beginning and 241.2MB in the end (delta: 119.5MB). Free memory was 85.2MB in the beginning and 129.5MB in the end (delta: -44.3MB). Peak memory consumption was 94.7MB. Max. memory is 16.1GB. [2022-07-23 01:31:41,253 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 121.6MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2680.25ms. Allocated memory was 121.6MB in the beginning and 241.2MB in the end (delta: 119.5MB). Free memory was 85.2MB in the beginning and 129.5MB in the end (delta: -44.3MB). Peak memory consumption was 94.7MB. 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-?-791161d [2022-07-23 01:31:42,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 01:31:42,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 01:31:42,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 01:31:42,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 01:31:42,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 01:31:42,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 01:31:42,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 01:31:42,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 01:31:42,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 01:31:42,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 01:31:42,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 01:31:43,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 01:31:43,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 01:31:43,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 01:31:43,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 01:31:43,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 01:31:43,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 01:31:43,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 01:31:43,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 01:31:43,012 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 01:31:43,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 01:31:43,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 01:31:43,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 01:31:43,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 01:31:43,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 01:31:43,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 01:31:43,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 01:31:43,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 01:31:43,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 01:31:43,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 01:31:43,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 01:31:43,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 01:31:43,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 01:31:43,028 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 01:31:43,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 01:31:43,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 01:31:43,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 01:31:43,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 01:31:43,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 01:31:43,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 01:31:43,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 01:31:43,033 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 01:31:43,062 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 01:31:43,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 01:31:43,063 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 01:31:43,063 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 01:31:43,064 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 01:31:43,064 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 01:31:43,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 01:31:43,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 01:31:43,065 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 01:31:43,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 01:31:43,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 01:31:43,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 01:31:43,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 01:31:43,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 01:31:43,067 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 01:31:43,067 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 01:31:43,067 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 01:31:43,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 01:31:43,068 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 01:31:43,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 01:31:43,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 01:31:43,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 01:31:43,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 01:31:43,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:31:43,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 01:31:43,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 01:31:43,069 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 01:31:43,069 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 01:31:43,070 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 01:31:43,070 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 01:31:43,070 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 01:31:43,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 01:31:43,070 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 01:31:43,071 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 899936809f134b7a18a7ac00d293808544b0e96b14603dc5a591cd3e9a61d6b6 [2022-07-23 01:31:43,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 01:31:43,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 01:31:43,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 01:31:43,391 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 01:31:43,393 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 01:31:43,394 INFO L432 ainManager$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 [2022-07-23 01:31:43,440 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa4e00a1b/f6a743dfde2c4717b6508f1ef9618353/FLAG6684c5385 [2022-07-23 01:31:44,129 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 01:31:44,130 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 [2022-07-23 01:31:44,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa4e00a1b/f6a743dfde2c4717b6508f1ef9618353/FLAG6684c5385 [2022-07-23 01:31:44,466 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa4e00a1b/f6a743dfde2c4717b6508f1ef9618353 [2022-07-23 01:31:44,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 01:31:44,469 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 01:31:44,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 01:31:44,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 01:31:44,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 01:31:44,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:31:44" (1/1) ... [2022-07-23 01:31:44,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dabd78c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:31:44, skipping insertion in model container [2022-07-23 01:31:44,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:31:44" (1/1) ... [2022-07-23 01:31:44,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 01:31:44,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:31:48,109 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] [2022-07-23 01:31:48,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:31:48,270 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 01:31:48,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:31:48,732 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] [2022-07-23 01:31:48,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:31:48,773 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 01:31:49,179 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] [2022-07-23 01:31:49,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:31:49,387 INFO L208 MainTranslator]: Completed translation [2022-07-23 01:31:49,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:31:49 WrapperNode [2022-07-23 01:31:49,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 01:31:49,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 01:31:49,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 01:31:49,389 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 01:31:49,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:31:49" (1/1) ... [2022-07-23 01:31:49,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:31:49" (1/1) ... [2022-07-23 01:31:49,673 INFO L137 Inliner]: procedures = 464, calls = 6036, calls flagged for inlining = 203, calls inlined = 184, statements flattened = 11044 [2022-07-23 01:31:49,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 01:31:49,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 01:31:49,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 01:31:49,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 01:31:49,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:31:49" (1/1) ... [2022-07-23 01:31:49,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:31:49" (1/1) ... [2022-07-23 01:31:49,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:31:49" (1/1) ... [2022-07-23 01:31:49,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:31:49" (1/1) ... [2022-07-23 01:31:49,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:31:49" (1/1) ... [2022-07-23 01:31:49,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:31:49" (1/1) ... [2022-07-23 01:31:50,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:31:49" (1/1) ... [2022-07-23 01:31:50,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 01:31:50,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 01:31:50,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 01:31:50,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 01:31:50,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:31:49" (1/1) ... [2022-07-23 01:31:50,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:31:50,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:31:50,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 01:31:50,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 01:31:50,102 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 01:31:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 01:31:50,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 01:31:50,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 01:31:50,103 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 01:31:50,103 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 01:31:50,103 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2022-07-23 01:31:50,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2022-07-23 01:31:50,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 01:31:50,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 01:31:50,103 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2022-07-23 01:31:50,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2022-07-23 01:31:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_error_detected [2022-07-23 01:31:50,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_error_detected [2022-07-23 01:31:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-23 01:31:50,104 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-23 01:31:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2022-07-23 01:31:50,104 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2022-07-23 01:31:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 01:31:50,104 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 01:31:50,105 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-23 01:31:50,105 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-23 01:31:50,105 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 01:31:50,105 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 01:31:50,105 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout_task [2022-07-23 01:31:50,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout_task [2022-07-23 01:31:50,105 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2022-07-23 01:31:50,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2022-07-23 01:31:50,106 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2022-07-23 01:31:50,106 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2022-07-23 01:31:50,106 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2022-07-23 01:31:50,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2022-07-23 01:31:50,106 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2022-07-23 01:31:50,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2022-07-23 01:31:50,106 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-23 01:31:50,106 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-23 01:31:50,107 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_features [2022-07-23 01:31:50,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_features [2022-07-23 01:31:50,107 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2022-07-23 01:31:50,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2022-07-23 01:31:50,107 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2022-07-23 01:31:50,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2022-07-23 01:31:50,107 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 01:31:50,107 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 01:31:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 01:31:50,108 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 01:31:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-23 01:31:50,108 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-23 01:31:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 01:31:50,108 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 01:31:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 01:31:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-23 01:31:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-23 01:31:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 01:31:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 01:31:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 01:31:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2022-07-23 01:31:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2022-07-23 01:31:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 01:31:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 01:31:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2022-07-23 01:31:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2022-07-23 01:31:50,110 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 01:31:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 01:31:50,110 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2022-07-23 01:31:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2022-07-23 01:31:50,110 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2022-07-23 01:31:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2022-07-23 01:31:50,110 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 01:31:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 01:31:50,111 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2022-07-23 01:31:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2022-07-23 01:31:50,111 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2022-07-23 01:31:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2022-07-23 01:31:50,111 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-07-23 01:31:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-07-23 01:31:50,111 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2022-07-23 01:31:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2022-07-23 01:31:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 01:31:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 01:31:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2022-07-23 01:31:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2022-07-23 01:31:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 01:31:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 01:31:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-23 01:31:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-23 01:31:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 01:31:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 01:31:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-23 01:31:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-23 01:31:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 01:31:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 01:31:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2022-07-23 01:31:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2022-07-23 01:31:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-23 01:31:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-23 01:31:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 01:31:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 01:31:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2022-07-23 01:31:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2022-07-23 01:31:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2022-07-23 01:31:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2022-07-23 01:31:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 01:31:50,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 01:31:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2022-07-23 01:31:50,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2022-07-23 01:31:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 01:31:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-23 01:31:50,115 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-23 01:31:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 01:31:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-23 01:31:50,116 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-23 01:31:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 01:31:50,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 01:31:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 01:31:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 01:31:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 01:31:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 01:31:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-07-23 01:31:50,116 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-07-23 01:31:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2022-07-23 01:31:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2022-07-23 01:31:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2022-07-23 01:31:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2022-07-23 01:31:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-23 01:31:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-23 01:31:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2022-07-23 01:31:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2022-07-23 01:31:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-23 01:31:50,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-23 01:31:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2022-07-23 01:31:50,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2022-07-23 01:31:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2022-07-23 01:31:50,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2022-07-23 01:31:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-23 01:31:50,118 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-23 01:31:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 01:31:50,119 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 01:31:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2022-07-23 01:31:50,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2022-07-23 01:31:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2022-07-23 01:31:50,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2022-07-23 01:31:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2022-07-23 01:31:50,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2022-07-23 01:31:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-23 01:31:50,119 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-23 01:31:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 01:31:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 01:31:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 01:31:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 01:31:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 01:31:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-23 01:31:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-23 01:31:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 01:31:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-23 01:31:50,121 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-23 01:31:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 01:31:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 01:31:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 01:31:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 01:31:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 01:31:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 01:31:50,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 01:31:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 01:31:50,122 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 01:31:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-23 01:31:50,122 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-23 01:31:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2022-07-23 01:31:50,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2022-07-23 01:31:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2022-07-23 01:31:50,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2022-07-23 01:31:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 01:31:50,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 01:31:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2022-07-23 01:31:50,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2022-07-23 01:31:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-23 01:31:50,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-23 01:31:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 01:31:50,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 01:31:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 01:31:50,123 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 01:31:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 01:31:50,124 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 01:31:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-23 01:31:50,124 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-23 01:31:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-23 01:31:50,124 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-23 01:31:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-23 01:31:50,124 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-23 01:31:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 01:31:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-23 01:31:50,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-23 01:31:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 01:31:50,125 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 01:31:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 01:31:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_kill_vid [2022-07-23 01:31:50,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_kill_vid [2022-07-23 01:31:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 01:31:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 01:31:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 01:31:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-23 01:31:50,126 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-23 01:31:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 01:31:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 01:31:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_change_mtu [2022-07-23 01:31:50,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_change_mtu [2022-07-23 01:31:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-23 01:31:50,126 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-23 01:31:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-23 01:31:50,126 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-23 01:31:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 01:31:50,127 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 01:31:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 01:31:50,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 01:31:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2022-07-23 01:31:50,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2022-07-23 01:31:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2022-07-23 01:31:50,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2022-07-23 01:31:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_fix_features [2022-07-23 01:31:50,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_fix_features [2022-07-23 01:31:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-23 01:31:50,128 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-23 01:31:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-07-23 01:31:50,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-07-23 01:31:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 01:31:50,128 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 01:31:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_slot_reset [2022-07-23 01:31:50,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_slot_reset [2022-07-23 01:31:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-23 01:31:50,129 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-23 01:31:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 01:31:50,129 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 01:31:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2022-07-23 01:31:50,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2022-07-23 01:31:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-23 01:31:50,129 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-23 01:31:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 01:31:50,130 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 01:31:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_mac [2022-07-23 01:31:50,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_mac [2022-07-23 01:31:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2022-07-23 01:31:50,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2022-07-23 01:31:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 01:31:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 01:31:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 01:31:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 01:31:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 01:31:50,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 01:31:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2022-07-23 01:31:50,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2022-07-23 01:31:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2022-07-23 01:31:50,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2022-07-23 01:31:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 01:31:50,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 01:31:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-23 01:31:50,132 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-23 01:31:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-23 01:31:50,132 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-23 01:31:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2022-07-23 01:31:50,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2022-07-23 01:31:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-07-23 01:31:50,132 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-07-23 01:31:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-23 01:31:50,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-23 01:31:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2022-07-23 01:31:50,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2022-07-23 01:31:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2022-07-23 01:31:50,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2022-07-23 01:31:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2022-07-23 01:31:50,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2022-07-23 01:31:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-23 01:31:50,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-23 01:31:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2022-07-23 01:31:50,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2022-07-23 01:31:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2022-07-23 01:31:50,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2022-07-23 01:31:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-23 01:31:50,134 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-23 01:31:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_stats [2022-07-23 01:31:50,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_stats [2022-07-23 01:31:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-23 01:31:50,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-23 01:31:50,135 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-23 01:31:50,135 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-23 01:31:50,135 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-23 01:31:50,135 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2022-07-23 01:31:50,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2022-07-23 01:31:50,954 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 01:31:50,957 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 01:31:51,610 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 01:33:49,623 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 01:33:49,644 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 01:33:49,644 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 01:33:49,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:33:49 BoogieIcfgContainer [2022-07-23 01:33:49,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 01:33:49,649 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 01:33:49,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 01:33:49,651 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 01:33:49,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 01:31:44" (1/3) ... [2022-07-23 01:33:49,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53f705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:33:49, skipping insertion in model container [2022-07-23 01:33:49,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:31:49" (2/3) ... [2022-07-23 01:33:49,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53f705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:33:49, skipping insertion in model container [2022-07-23 01:33:49,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:33:49" (3/3) ... [2022-07-23 01:33:49,653 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 [2022-07-23 01:33:49,663 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 01:33:49,663 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 01:33:49,751 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 01:33:49,760 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@6ea5647a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@f0a9903 [2022-07-23 01:33:49,760 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 01:33:49,772 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) [2022-07-23 01:33:49,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-23 01:33:49,805 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:33:49,806 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] [2022-07-23 01:33:49,807 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:33:49,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:33:49,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1608542857, now seen corresponding path program 1 times [2022-07-23 01:33:49,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:33:49,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1783469959] [2022-07-23 01:33:49,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:33:49,830 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:33:49,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:33:49,859 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:33:49,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 01:33:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:53,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 4424 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-23 01:33:53,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:33:53,737 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2022-07-23 01:33:53,737 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:33:53,738 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:33:53,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1783469959] [2022-07-23 01:33:53,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1783469959] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:33:53,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:33:53,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 01:33:53,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183284121] [2022-07-23 01:33:53,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:33:53,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-23 01:33:53,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:33:53,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-23 01:33:53,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-23 01:33:53,791 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) [2022-07-23 01:33:54,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:33:54,028 INFO L93 Difference]: Finished difference Result 6187 states and 8979 transitions. [2022-07-23 01:33:54,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-23 01:33:54,030 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 [2022-07-23 01:33:54,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:33:54,068 INFO L225 Difference]: With dead ends: 6187 [2022-07-23 01:33:54,069 INFO L226 Difference]: Without dead ends: 3057 [2022-07-23 01:33:54,098 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 [2022-07-23 01:33:54,105 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 [2022-07-23 01:33:54,110 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] [2022-07-23 01:33:54,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3057 states. [2022-07-23 01:33:54,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3057 to 3057. [2022-07-23 01:33:54,310 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) [2022-07-23 01:33:54,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 3057 states and 4387 transitions. [2022-07-23 01:33:54,338 INFO L78 Accepts]: Start accepts. Automaton has 3057 states and 4387 transitions. Word has length 172 [2022-07-23 01:33:54,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:33:54,339 INFO L495 AbstractCegarLoop]: Abstraction has 3057 states and 4387 transitions. [2022-07-23 01:33:54,339 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) [2022-07-23 01:33:54,339 INFO L276 IsEmpty]: Start isEmpty. Operand 3057 states and 4387 transitions. [2022-07-23 01:33:54,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-23 01:33:54,350 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:33:54,351 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] [2022-07-23 01:33:54,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 01:33:54,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:33:54,568 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:33:54,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:33:54,568 INFO L85 PathProgramCache]: Analyzing trace with hash -333627761, now seen corresponding path program 1 times [2022-07-23 01:33:54,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:33:54,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1161552598] [2022-07-23 01:33:54,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:33:54,571 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:33:54,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:33:54,577 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:33:54,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 01:33:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:58,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 4424 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-23 01:33:58,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:33:58,988 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2022-07-23 01:33:58,989 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:33:58,989 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:33:58,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1161552598] [2022-07-23 01:33:58,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1161552598] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:33:58,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:33:58,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:33:58,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587798121] [2022-07-23 01:33:58,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:33:58,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:33:58,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:33:58,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:33:58,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:33:58,991 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) [2022-07-23 01:34:01,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:34:01,335 INFO L93 Difference]: Finished difference Result 6110 states and 8783 transitions. [2022-07-23 01:34:01,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 01:34:01,336 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 [2022-07-23 01:34:01,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:34:01,357 INFO L225 Difference]: With dead ends: 6110 [2022-07-23 01:34:01,357 INFO L226 Difference]: Without dead ends: 3060 [2022-07-23 01:34:01,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-23 01:34:01,375 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 [2022-07-23 01:34:01,376 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] [2022-07-23 01:34:01,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3060 states. [2022-07-23 01:34:01,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3060 to 3060. [2022-07-23 01:34:01,470 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) [2022-07-23 01:34:01,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 3060 states and 4395 transitions. [2022-07-23 01:34:01,485 INFO L78 Accepts]: Start accepts. Automaton has 3060 states and 4395 transitions. Word has length 172 [2022-07-23 01:34:01,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:34:01,487 INFO L495 AbstractCegarLoop]: Abstraction has 3060 states and 4395 transitions. [2022-07-23 01:34:01,487 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) [2022-07-23 01:34:01,487 INFO L276 IsEmpty]: Start isEmpty. Operand 3060 states and 4395 transitions. [2022-07-23 01:34:01,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-07-23 01:34:01,491 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:34:01,491 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] [2022-07-23 01:34:01,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 01:34:01,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:34:01,716 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:34:01,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:34:01,716 INFO L85 PathProgramCache]: Analyzing trace with hash -573758929, now seen corresponding path program 1 times [2022-07-23 01:34:01,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:34:01,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1874671032] [2022-07-23 01:34:01,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:34:01,720 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:34:01,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:34:01,721 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:34:01,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 01:34:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:05,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 4512 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 01:34:05,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:34:06,479 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 84 proven. 1 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-07-23 01:34:06,480 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:34:08,682 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-07-23 01:34:08,685 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:34:08,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1874671032] [2022-07-23 01:34:08,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1874671032] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:34:08,685 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 01:34:08,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-23 01:34:08,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084426913] [2022-07-23 01:34:08,686 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 01:34:08,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-23 01:34:08,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:34:08,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-23 01:34:08,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-23 01:34:08,701 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) [2022-07-23 01:34:12,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:34:12,643 INFO L93 Difference]: Finished difference Result 6121 states and 8805 transitions. [2022-07-23 01:34:12,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-23 01:34:12,645 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 [2022-07-23 01:34:12,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:34:12,659 INFO L225 Difference]: With dead ends: 6121 [2022-07-23 01:34:12,659 INFO L226 Difference]: Without dead ends: 3068 [2022-07-23 01:34:12,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-23 01:34:12,672 INFO L413 NwaCegarLoop]: 4369 mSDtfsCounter, 12 mSDsluCounter, 26147 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s 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, 3.2s IncrementalHoareTripleChecker+Time [2022-07-23 01:34:12,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 30516 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-23 01:34:12,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3068 states. [2022-07-23 01:34:12,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3068 to 3066. [2022-07-23 01:34:12,749 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) [2022-07-23 01:34:12,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3066 states to 3066 states and 4402 transitions. [2022-07-23 01:34:12,762 INFO L78 Accepts]: Start accepts. Automaton has 3066 states and 4402 transitions. Word has length 180 [2022-07-23 01:34:12,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:34:12,762 INFO L495 AbstractCegarLoop]: Abstraction has 3066 states and 4402 transitions. [2022-07-23 01:34:12,763 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) [2022-07-23 01:34:12,763 INFO L276 IsEmpty]: Start isEmpty. Operand 3066 states and 4402 transitions. [2022-07-23 01:34:12,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-07-23 01:34:12,766 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:34:12,766 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] [2022-07-23 01:34:12,850 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-23 01:34:12,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:34:12,979 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:34:12,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:34:12,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1319599759, now seen corresponding path program 2 times [2022-07-23 01:34:12,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:34:12,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [987603549] [2022-07-23 01:34:12,984 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 01:34:12,984 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:34:12,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:34:12,985 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:34:12,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 01:34:16,368 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 01:34:16,368 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 01:34:16,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 4064 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 01:34:16,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:34:16,891 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2022-07-23 01:34:16,891 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:34:16,891 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:34:16,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [987603549] [2022-07-23 01:34:16,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [987603549] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:34:16,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:34:16,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 01:34:16,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292199748] [2022-07-23 01:34:16,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:34:16,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:34:16,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:34:16,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:34:16,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:34:16,892 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) [2022-07-23 01:34:18,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:34:18,766 INFO L93 Difference]: Finished difference Result 8571 states and 12288 transitions. [2022-07-23 01:34:18,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:34:18,767 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 [2022-07-23 01:34:18,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:34:18,808 INFO L225 Difference]: With dead ends: 8571 [2022-07-23 01:34:18,808 INFO L226 Difference]: Without dead ends: 5536 [2022-07-23 01:34:18,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:34:18,826 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 [2022-07-23 01:34:18,826 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] [2022-07-23 01:34:18,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5536 states. [2022-07-23 01:34:19,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5536 to 5514. [2022-07-23 01:34:19,099 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) [2022-07-23 01:34:19,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5514 states to 5514 states and 7901 transitions. [2022-07-23 01:34:19,132 INFO L78 Accepts]: Start accepts. Automaton has 5514 states and 7901 transitions. Word has length 188 [2022-07-23 01:34:19,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:34:19,135 INFO L495 AbstractCegarLoop]: Abstraction has 5514 states and 7901 transitions. [2022-07-23 01:34:19,136 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) [2022-07-23 01:34:19,136 INFO L276 IsEmpty]: Start isEmpty. Operand 5514 states and 7901 transitions. [2022-07-23 01:34:19,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-07-23 01:34:19,143 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:34:19,143 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] [2022-07-23 01:34:19,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 01:34:19,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:34:19,358 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:34:19,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:34:19,358 INFO L85 PathProgramCache]: Analyzing trace with hash 820005464, now seen corresponding path program 1 times [2022-07-23 01:34:19,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:34:19,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [532245814] [2022-07-23 01:34:19,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:34:19,362 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:34:19,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:34:19,363 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:34:19,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 01:34:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:24,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 4843 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-23 01:34:24,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:34:25,129 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 119 proven. 3 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2022-07-23 01:34:25,129 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:34:28,226 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2022-07-23 01:34:28,226 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:34:28,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [532245814] [2022-07-23 01:34:28,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [532245814] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:34:28,226 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 01:34:28,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-23 01:34:28,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523028746] [2022-07-23 01:34:28,226 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 01:34:28,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-23 01:34:28,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:34:28,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-23 01:34:28,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-23 01:34:28,227 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) [2022-07-23 01:34:34,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:34:34,612 INFO L93 Difference]: Finished difference Result 11043 states and 15852 transitions. [2022-07-23 01:34:34,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-23 01:34:34,614 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 [2022-07-23 01:34:34,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:34:34,648 INFO L225 Difference]: With dead ends: 11043 [2022-07-23 01:34:34,648 INFO L226 Difference]: Without dead ends: 5533 [2022-07-23 01:34:34,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 477 GetRequests, 461 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2022-07-23 01:34:34,671 INFO L413 NwaCegarLoop]: 4372 mSDtfsCounter, 26 mSDsluCounter, 30517 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s 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, 5.1s IncrementalHoareTripleChecker+Time [2022-07-23 01:34:34,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 34889 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-07-23 01:34:34,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5533 states. [2022-07-23 01:34:34,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5533 to 5527. [2022-07-23 01:34:34,868 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) [2022-07-23 01:34:34,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5527 states to 5527 states and 7922 transitions. [2022-07-23 01:34:34,887 INFO L78 Accepts]: Start accepts. Automaton has 5527 states and 7922 transitions. Word has length 237 [2022-07-23 01:34:34,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:34:34,888 INFO L495 AbstractCegarLoop]: Abstraction has 5527 states and 7922 transitions. [2022-07-23 01:34:34,888 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) [2022-07-23 01:34:34,888 INFO L276 IsEmpty]: Start isEmpty. Operand 5527 states and 7922 transitions. [2022-07-23 01:34:34,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-07-23 01:34:34,891 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:34:34,892 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] [2022-07-23 01:34:34,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 01:34:35,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:34:35,107 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:34:35,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:34:35,108 INFO L85 PathProgramCache]: Analyzing trace with hash 31492088, now seen corresponding path program 2 times [2022-07-23 01:34:35,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:34:35,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1335351195] [2022-07-23 01:34:35,111 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 01:34:35,112 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:34:35,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:34:35,114 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:34:35,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 01:34:38,252 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 01:34:38,252 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 01:34:38,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 4071 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 01:34:38,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:34:38,625 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2022-07-23 01:34:38,625 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:34:38,625 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:34:38,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1335351195] [2022-07-23 01:34:38,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1335351195] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:34:38,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:34:38,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 01:34:38,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253433053] [2022-07-23 01:34:38,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:34:38,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:34:38,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:34:38,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:34:38,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:34:38,626 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) [2022-07-23 01:34:39,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:34:39,524 INFO L93 Difference]: Finished difference Result 16259 states and 23290 transitions. [2022-07-23 01:34:39,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:34:39,524 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 [2022-07-23 01:34:39,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:34:39,572 INFO L225 Difference]: With dead ends: 16259 [2022-07-23 01:34:39,572 INFO L226 Difference]: Without dead ends: 10772 [2022-07-23 01:34:39,592 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 [2022-07-23 01:34:39,593 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 [2022-07-23 01:34:39,593 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] [2022-07-23 01:34:39,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10772 states. [2022-07-23 01:34:39,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10772 to 10766. [2022-07-23 01:34:39,962 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) [2022-07-23 01:34:40,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10766 states to 10766 states and 15410 transitions. [2022-07-23 01:34:40,008 INFO L78 Accepts]: Start accepts. Automaton has 10766 states and 15410 transitions. Word has length 241 [2022-07-23 01:34:40,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:34:40,010 INFO L495 AbstractCegarLoop]: Abstraction has 10766 states and 15410 transitions. [2022-07-23 01:34:40,010 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) [2022-07-23 01:34:40,010 INFO L276 IsEmpty]: Start isEmpty. Operand 10766 states and 15410 transitions. [2022-07-23 01:34:40,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2022-07-23 01:34:40,019 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:34:40,019 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] [2022-07-23 01:34:40,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-23 01:34:40,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:34:40,248 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:34:40,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:34:40,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1329511175, now seen corresponding path program 1 times [2022-07-23 01:34:40,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:34:40,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1495068919] [2022-07-23 01:34:40,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:34:40,253 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:34:40,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:34:40,254 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:34:40,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-23 01:34:44,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:45,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 5394 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-23 01:34:45,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:34:46,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 584 proven. 6 refuted. 0 times theorem prover too weak. 1654 trivial. 0 not checked. [2022-07-23 01:34:46,440 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:34:50,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 232 refuted. 0 times theorem prover too weak. 2012 trivial. 0 not checked. [2022-07-23 01:34:50,440 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:34:50,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1495068919] [2022-07-23 01:34:50,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1495068919] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:34:50,441 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 01:34:50,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-23 01:34:50,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864612429] [2022-07-23 01:34:50,441 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 01:34:50,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-23 01:34:50,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:34:50,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-23 01:34:50,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-23 01:34:50,444 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) [2022-07-23 01:34:59,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:34:59,856 INFO L93 Difference]: Finished difference Result 21563 states and 30915 transitions. [2022-07-23 01:34:59,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-23 01:34:59,858 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 [2022-07-23 01:34:59,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:34:59,902 INFO L225 Difference]: With dead ends: 21563 [2022-07-23 01:34:59,902 INFO L226 Difference]: Without dead ends: 10792 [2022-07-23 01:34:59,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 778 GetRequests, 759 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2022-07-23 01:34:59,938 INFO L413 NwaCegarLoop]: 4373 mSDtfsCounter, 27 mSDsluCounter, 47971 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s 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, 8.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:34:59,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 52344 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2022-07-23 01:34:59,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10792 states. [2022-07-23 01:35:00,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10792 to 10770. [2022-07-23 01:35:00,296 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) [2022-07-23 01:35:00,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10770 states to 10770 states and 15418 transitions. [2022-07-23 01:35:00,336 INFO L78 Accepts]: Start accepts. Automaton has 10770 states and 15418 transitions. Word has length 387 [2022-07-23 01:35:00,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:35:00,336 INFO L495 AbstractCegarLoop]: Abstraction has 10770 states and 15418 transitions. [2022-07-23 01:35:00,336 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) [2022-07-23 01:35:00,336 INFO L276 IsEmpty]: Start isEmpty. Operand 10770 states and 15418 transitions. [2022-07-23 01:35:00,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2022-07-23 01:35:00,344 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:35:00,344 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] [2022-07-23 01:35:00,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-23 01:35:00,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:35:00,560 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:35:00,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:35:00,560 INFO L85 PathProgramCache]: Analyzing trace with hash -238388093, now seen corresponding path program 2 times [2022-07-23 01:35:00,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:35:00,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [371381830] [2022-07-23 01:35:00,564 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 01:35:00,564 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:35:00,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:35:00,566 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) [2022-07-23 01:35:00,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-23 01:35:04,399 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 01:35:04,400 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 01:35:04,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 4095 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 01:35:04,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:35:13,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2624 trivial. 0 not checked. [2022-07-23 01:35:13,749 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:35:13,749 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:35:13,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [371381830] [2022-07-23 01:35:13,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [371381830] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:35:13,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:35:13,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 01:35:13,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650932821] [2022-07-23 01:35:13,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:35:13,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:35:13,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:35:13,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:35:13,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:35:13,750 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) [2022-07-23 01:35:13,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:35:13,884 INFO L93 Difference]: Finished difference Result 10770 states and 15418 transitions. [2022-07-23 01:35:13,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:35:13,884 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 [2022-07-23 01:35:13,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:35:13,885 INFO L225 Difference]: With dead ends: 10770 [2022-07-23 01:35:13,886 INFO L226 Difference]: Without dead ends: 0 [2022-07-23 01:35:13,907 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 [2022-07-23 01:35:13,907 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 [2022-07-23 01:35:13,908 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] [2022-07-23 01:35:13,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-23 01:35:13,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-23 01:35:13,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 01:35:13,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-23 01:35:13,911 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 395 [2022-07-23 01:35:13,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:35:13,911 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 01:35:13,911 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) [2022-07-23 01:35:13,911 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-23 01:35:13,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-23 01:35:13,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-23 01:35:13,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-23 01:35:14,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:35:14,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.