./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.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 7ede4537c48caea37472e4c8ac2076bad2737918f5afe1a2cfd1e12976491d8e --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 23:54:07,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:54:07,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:54:07,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:54:07,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:54:07,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:54:07,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:54:07,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:54:07,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:54:07,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:54:07,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:54:07,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:54:07,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:54:07,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:54:07,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:54:07,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:54:07,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:54:07,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:54:07,765 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:54:07,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:54:07,771 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:54:07,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:54:07,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:54:07,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:54:07,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:54:07,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:54:07,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:54:07,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:54:07,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:54:07,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:54:07,784 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:54:07,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:54:07,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:54:07,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:54:07,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:54:07,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:54:07,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:54:07,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:54:07,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:54:07,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:54:07,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:54:07,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:54:07,792 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 23:54:07,818 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:54:07,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:54:07,819 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:54:07,819 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:54:07,820 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:54:07,820 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:54:07,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:54:07,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:54:07,821 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:54:07,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:54:07,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 23:54:07,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:54:07,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:54:07,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:54:07,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:54:07,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:54:07,823 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:54:07,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:54:07,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:54:07,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:54:07,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:54:07,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:54:07,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:54:07,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:54:07,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:54:07,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 23:54:07,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 23:54:07,826 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:54:07,826 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:54:07,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:54:07,826 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ede4537c48caea37472e4c8ac2076bad2737918f5afe1a2cfd1e12976491d8e [2022-07-19 23:54:08,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:54:08,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:54:08,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:54:08,073 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:54:08,074 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:54:08,075 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2022-07-19 23:54:08,133 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a66afbde3/5cbb7247619d40fbbcd3c6aab7542c09/FLAG74871e96c [2022-07-19 23:54:08,898 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:54:08,898 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2022-07-19 23:54:08,946 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a66afbde3/5cbb7247619d40fbbcd3c6aab7542c09/FLAG74871e96c [2022-07-19 23:54:09,105 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a66afbde3/5cbb7247619d40fbbcd3c6aab7542c09 [2022-07-19 23:54:09,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:54:09,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:54:09,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:54:09,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:54:09,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:54:09,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:54:09" (1/1) ... [2022-07-19 23:54:09,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3041a83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:54:09, skipping insertion in model container [2022-07-19 23:54:09,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:54:09" (1/1) ... [2022-07-19 23:54:09,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:54:09,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:54:09,703 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5957] [2022-07-19 23:54:09,704 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5958-5959] [2022-07-19 23:54:09,930 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[182958,182971] [2022-07-19 23:54:10,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:54:10,827 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:54:10,968 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5957] [2022-07-19 23:54:10,970 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5958-5959] [2022-07-19 23:54:10,979 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[182958,182971] [2022-07-19 23:54:11,030 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: val = (unsigned int )val & 3U [7145] 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:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) 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) [2022-07-19 23:54:11,037 INFO L158 Benchmark]: Toolchain (without parser) took 1918.91ms. Allocated memory is still 138.4MB. Free memory was 111.0MB in the beginning and 56.1MB in the end (delta: 54.9MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. [2022-07-19 23:54:11,037 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 23:54:11,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1916.95ms. Allocated memory is still 138.4MB. Free memory was 111.0MB in the beginning and 56.1MB in the end (delta: 54.9MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. [2022-07-19 23:54:11,040 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1916.95ms. Allocated memory is still 138.4MB. Free memory was 111.0MB in the beginning and 56.1MB in the end (delta: 54.9MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: val = (unsigned int )val & 3U [7145] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: val = (unsigned int )val & 3U [7145]: 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.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 7ede4537c48caea37472e4c8ac2076bad2737918f5afe1a2cfd1e12976491d8e --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 23:54:12,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:54:12,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:54:12,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:54:12,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:54:12,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:54:12,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:54:12,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:54:12,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:54:12,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:54:12,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:54:12,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:54:12,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:54:12,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:54:12,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:54:12,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:54:12,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:54:12,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:54:12,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:54:12,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:54:12,934 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:54:12,937 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:54:12,938 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:54:12,940 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:54:12,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:54:12,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:54:12,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:54:12,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:54:12,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:54:12,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:54:12,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:54:12,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:54:12,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:54:12,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:54:12,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:54:12,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:54:12,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:54:12,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:54:12,952 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:54:12,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:54:12,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:54:12,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:54:12,958 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-19 23:54:12,989 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:54:12,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:54:12,990 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:54:12,990 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:54:12,991 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:54:12,991 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:54:12,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:54:12,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:54:12,992 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:54:12,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:54:12,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:54:12,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:54:12,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:54:12,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:54:12,994 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-19 23:54:13,004 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-19 23:54:13,005 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-19 23:54:13,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:54:13,005 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:54:13,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:54:13,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:54:13,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:54:13,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:54:13,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:54:13,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:54:13,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:54:13,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:54:13,007 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-19 23:54:13,007 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-19 23:54:13,007 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:54:13,008 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:54:13,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:54:13,008 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-19 23:54:13,008 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ede4537c48caea37472e4c8ac2076bad2737918f5afe1a2cfd1e12976491d8e [2022-07-19 23:54:13,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:54:13,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:54:13,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:54:13,297 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:54:13,298 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:54:13,299 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2022-07-19 23:54:13,360 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e836baa0/86561f1ab2e54769ae61bb1cfae8a8a1/FLAGf65739d37 [2022-07-19 23:54:14,180 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:54:14,181 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2022-07-19 23:54:14,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e836baa0/86561f1ab2e54769ae61bb1cfae8a8a1/FLAGf65739d37 [2022-07-19 23:54:14,371 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e836baa0/86561f1ab2e54769ae61bb1cfae8a8a1 [2022-07-19 23:54:14,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:54:14,374 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:54:14,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:54:14,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:54:14,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:54:14,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:54:14" (1/1) ... [2022-07-19 23:54:14,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@291c7498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:54:14, skipping insertion in model container [2022-07-19 23:54:14,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:54:14" (1/1) ... [2022-07-19 23:54:14,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:54:14,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:54:15,012 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5957] [2022-07-19 23:54:15,013 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5958-5959] [2022-07-19 23:54:15,336 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[182958,182971] [2022-07-19 23:54:16,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:54:16,314 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-19 23:54:16,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:54:16,486 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5957] [2022-07-19 23:54:16,487 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5958-5959] [2022-07-19 23:54:16,495 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[182958,182971] [2022-07-19 23:54:16,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:54:16,724 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:54:16,862 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5957] [2022-07-19 23:54:16,862 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5958-5959] [2022-07-19 23:54:16,905 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[182958,182971] [2022-07-19 23:54:17,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:54:17,120 INFO L208 MainTranslator]: Completed translation [2022-07-19 23:54:17,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:54:17 WrapperNode [2022-07-19 23:54:17,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 23:54:17,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 23:54:17,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 23:54:17,123 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 23:54:17,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:54:17" (1/1) ... [2022-07-19 23:54:17,220 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:54:17" (1/1) ... [2022-07-19 23:54:17,342 INFO L137 Inliner]: procedures = 233, calls = 1605, calls flagged for inlining = 116, calls inlined = 113, statements flattened = 3008 [2022-07-19 23:54:17,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 23:54:17,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 23:54:17,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 23:54:17,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 23:54:17,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:54:17" (1/1) ... [2022-07-19 23:54:17,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:54:17" (1/1) ... [2022-07-19 23:54:17,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:54:17" (1/1) ... [2022-07-19 23:54:17,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:54:17" (1/1) ... [2022-07-19 23:54:17,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:54:17" (1/1) ... [2022-07-19 23:54:17,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:54:17" (1/1) ... [2022-07-19 23:54:17,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:54:17" (1/1) ... [2022-07-19 23:54:17,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 23:54:17,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 23:54:17,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 23:54:17,566 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 23:54:17,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:54:17" (1/1) ... [2022-07-19 23:54:17,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:54:17,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:54:17,600 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) [2022-07-19 23:54:17,626 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 [2022-07-19 23:54:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-19 23:54:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-19 23:54:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-19 23:54:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-19 23:54:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-19 23:54:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-19 23:54:17,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-19 23:54:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-19 23:54:17,645 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-19 23:54:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-19 23:54:17,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-19 23:54:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 23:54:17,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 23:54:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-19 23:54:17,646 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-19 23:54:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-19 23:54:17,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-19 23:54:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-19 23:54:17,646 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-19 23:54:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-19 23:54:17,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-19 23:54:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-19 23:54:17,647 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-19 23:54:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-19 23:54:17,647 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-19 23:54:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-19 23:54:17,648 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-19 23:54:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-19 23:54:17,648 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-19 23:54:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 23:54:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_port_read_long [2022-07-19 23:54:17,649 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_port_read_long [2022-07-19 23:54:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 23:54:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-19 23:54:17,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-19 23:54:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-19 23:54:17,649 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-19 23:54:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-19 23:54:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-19 23:54:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-19 23:54:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 23:54:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-19 23:54:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-19 23:54:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-19 23:54:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 23:54:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_adap_init [2022-07-19 23:54:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_adap_init [2022-07-19 23:54:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-19 23:54:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-19 23:54:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-19 23:54:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-19 23:54:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-19 23:54:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_int_common [2022-07-19 23:54:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_int_common [2022-07-19 23:54:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-19 23:54:17,654 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-19 23:54:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-19 23:54:17,654 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-19 23:54:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-19 23:54:17,654 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-19 23:54:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_rcv_flush [2022-07-19 23:54:17,655 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_rcv_flush [2022-07-19 23:54:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_get_stats [2022-07-19 23:54:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_get_stats [2022-07-19 23:54:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-19 23:54:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-19 23:54:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_update_cam [2022-07-19 23:54:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_update_cam [2022-07-19 23:54:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-19 23:54:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-19 23:54:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_dma_cmd_req [2022-07-19 23:54:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_dma_cmd_req [2022-07-19 23:54:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_dma_uninit [2022-07-19 23:54:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_dma_uninit [2022-07-19 23:54:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-19 23:54:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-19 23:54:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-19 23:54:17,658 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-19 23:54:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-19 23:54:17,658 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-19 23:54:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure my_skb_align [2022-07-19 23:54:17,659 INFO L138 BoogieDeclarations]: Found implementation of procedure my_skb_align [2022-07-19 23:54:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-19 23:54:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-19 23:54:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-19 23:54:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-19 23:54:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_port_write_long [2022-07-19 23:54:17,661 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_port_write_long [2022-07-19 23:54:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-19 23:54:17,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-19 23:54:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-19 23:54:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-19 23:54:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-07-19 23:54:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-07-19 23:54:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-19 23:54:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-19 23:54:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-19 23:54:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-19 23:54:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-19 23:54:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-19 23:54:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-19 23:54:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-19 23:54:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-19 23:54:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-19 23:54:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-19 23:54:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-19 23:54:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 23:54:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-19 23:54:17,668 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-19 23:54:17,668 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_port_ctrl_req [2022-07-19 23:54:17,669 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_port_ctrl_req [2022-07-19 23:54:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 23:54:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_xmt_flush [2022-07-19 23:54:17,669 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_xmt_flush [2022-07-19 23:54:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-19 23:54:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-19 23:54:17,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 23:54:17,675 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_update_filters [2022-07-19 23:54:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_update_filters [2022-07-19 23:54:17,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-19 23:54:17,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-19 23:54:17,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-19 23:54:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-19 23:54:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-19 23:54:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_set_mac_address [2022-07-19 23:54:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_set_mac_address [2022-07-19 23:54:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_set_multicast_list [2022-07-19 23:54:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_set_multicast_list [2022-07-19 23:54:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_adap_state_rd [2022-07-19 23:54:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_adap_state_rd [2022-07-19 23:54:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-19 23:54:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-19 23:54:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-19 23:54:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-19 23:54:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-19 23:54:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-19 23:54:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-19 23:54:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_get_bars [2022-07-19 23:54:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_get_bars [2022-07-19 23:54:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-19 23:54:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-19 23:54:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 23:54:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 23:54:18,382 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 23:54:18,386 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 23:54:20,960 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-19 23:55:20,102 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 23:55:20,116 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 23:55:20,117 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 23:55:20,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:55:20 BoogieIcfgContainer [2022-07-19 23:55:20,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 23:55:20,122 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 23:55:20,122 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 23:55:20,125 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 23:55:20,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:54:14" (1/3) ... [2022-07-19 23:55:20,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f512c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:55:20, skipping insertion in model container [2022-07-19 23:55:20,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:54:17" (2/3) ... [2022-07-19 23:55:20,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f512c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:55:20, skipping insertion in model container [2022-07-19 23:55:20,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:55:20" (3/3) ... [2022-07-19 23:55:20,127 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2022-07-19 23:55:20,139 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 23:55:20,140 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 23:55:20,206 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 23:55:20,212 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@6429e174, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6368be14 [2022-07-19 23:55:20,212 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 23:55:20,224 INFO L276 IsEmpty]: Start isEmpty. Operand has 1148 states, 811 states have (on average 1.3218249075215782) internal successors, (1072), 834 states have internal predecessors, (1072), 279 states have call successors, (279), 57 states have call predecessors, (279), 56 states have return successors, (273), 273 states have call predecessors, (273), 273 states have call successors, (273) [2022-07-19 23:55:20,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-19 23:55:20,250 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:55:20,251 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-07-19 23:55:20,252 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:55:20,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:55:20,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1023729415, now seen corresponding path program 1 times [2022-07-19 23:55:20,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:55:20,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1952440088] [2022-07-19 23:55:20,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:55:20,271 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:55:20,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:55:20,275 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) [2022-07-19 23:55:20,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-19 23:55:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:55:21,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 23:55:21,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:55:22,386 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-19 23:55:22,388 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:55:22,389 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:55:22,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1952440088] [2022-07-19 23:55:22,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1952440088] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:55:22,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:55:22,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 23:55:22,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497346665] [2022-07-19 23:55:22,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:55:22,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 23:55:22,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:55:22,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 23:55:22,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:55:22,427 INFO L87 Difference]: Start difference. First operand has 1148 states, 811 states have (on average 1.3218249075215782) internal successors, (1072), 834 states have internal predecessors, (1072), 279 states have call successors, (279), 57 states have call predecessors, (279), 56 states have return successors, (273), 273 states have call predecessors, (273), 273 states have call successors, (273) Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-19 23:55:23,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:55:23,729 INFO L93 Difference]: Finished difference Result 3435 states and 4930 transitions. [2022-07-19 23:55:23,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 23:55:23,732 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 93 [2022-07-19 23:55:23,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:55:23,770 INFO L225 Difference]: With dead ends: 3435 [2022-07-19 23:55:23,771 INFO L226 Difference]: Without dead ends: 2252 [2022-07-19 23:55:23,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-19 23:55:23,791 INFO L413 NwaCegarLoop]: 1887 mSDtfsCounter, 1605 mSDsluCounter, 5366 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1609 SdHoareTripleChecker+Valid, 7253 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 23:55:23,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1609 Valid, 7253 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 23:55:23,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2252 states. [2022-07-19 23:55:23,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2252 to 2239. [2022-07-19 23:55:23,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2239 states, 1585 states have (on average 1.3097791798107254) internal successors, (2076), 1619 states have internal predecessors, (2076), 542 states have call successors, (542), 112 states have call predecessors, (542), 111 states have return successors, (543), 537 states have call predecessors, (543), 541 states have call successors, (543) [2022-07-19 23:55:24,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 2239 states and 3161 transitions. [2022-07-19 23:55:24,010 INFO L78 Accepts]: Start accepts. Automaton has 2239 states and 3161 transitions. Word has length 93 [2022-07-19 23:55:24,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:55:24,011 INFO L495 AbstractCegarLoop]: Abstraction has 2239 states and 3161 transitions. [2022-07-19 23:55:24,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-19 23:55:24,011 INFO L276 IsEmpty]: Start isEmpty. Operand 2239 states and 3161 transitions. [2022-07-19 23:55:24,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-19 23:55:24,027 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:55:24,028 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-07-19 23:55:24,055 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-19 23:55:24,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:55:24,244 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:55:24,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:55:24,245 INFO L85 PathProgramCache]: Analyzing trace with hash 988225853, now seen corresponding path program 1 times [2022-07-19 23:55:24,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:55:24,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [877969085] [2022-07-19 23:55:24,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:55:24,247 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:55:24,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:55:24,264 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) [2022-07-19 23:55:24,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-19 23:55:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:55:25,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 23:55:25,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:55:26,251 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-19 23:55:26,252 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:55:26,252 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:55:26,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [877969085] [2022-07-19 23:55:26,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [877969085] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:55:26,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:55:26,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 23:55:26,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930097275] [2022-07-19 23:55:26,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:55:26,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 23:55:26,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:55:26,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 23:55:26,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:55:26,255 INFO L87 Difference]: Start difference. First operand 2239 states and 3161 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-19 23:55:27,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:55:27,195 INFO L93 Difference]: Finished difference Result 6719 states and 9495 transitions. [2022-07-19 23:55:27,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 23:55:27,196 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 94 [2022-07-19 23:55:27,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:55:27,222 INFO L225 Difference]: With dead ends: 6719 [2022-07-19 23:55:27,223 INFO L226 Difference]: Without dead ends: 4489 [2022-07-19 23:55:27,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-19 23:55:27,240 INFO L413 NwaCegarLoop]: 1859 mSDtfsCounter, 1575 mSDsluCounter, 5279 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1579 SdHoareTripleChecker+Valid, 7138 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-19 23:55:27,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1579 Valid, 7138 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-19 23:55:27,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4489 states. [2022-07-19 23:55:27,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4489 to 4468. [2022-07-19 23:55:27,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4468 states, 3165 states have (on average 1.3086887835703) internal successors, (4142), 3232 states have internal predecessors, (4142), 1079 states have call successors, (1079), 224 states have call predecessors, (1079), 223 states have return successors, (1086), 1071 states have call predecessors, (1086), 1078 states have call successors, (1086) [2022-07-19 23:55:27,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4468 states to 4468 states and 6307 transitions. [2022-07-19 23:55:27,475 INFO L78 Accepts]: Start accepts. Automaton has 4468 states and 6307 transitions. Word has length 94 [2022-07-19 23:55:27,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:55:27,476 INFO L495 AbstractCegarLoop]: Abstraction has 4468 states and 6307 transitions. [2022-07-19 23:55:27,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-19 23:55:27,476 INFO L276 IsEmpty]: Start isEmpty. Operand 4468 states and 6307 transitions. [2022-07-19 23:55:27,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-07-19 23:55:27,486 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:55:27,487 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-07-19 23:55:27,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-19 23:55:27,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:55:27,708 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:55:27,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:55:27,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1343295556, now seen corresponding path program 1 times [2022-07-19 23:55:27,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:55:27,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1044933632] [2022-07-19 23:55:27,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:55:27,710 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:55:27,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:55:27,712 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) [2022-07-19 23:55:27,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-19 23:55:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:55:28,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 23:55:28,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:55:29,550 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-19 23:55:29,551 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:55:29,551 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:55:29,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1044933632] [2022-07-19 23:55:29,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1044933632] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:55:29,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:55:29,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 23:55:29,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187559675] [2022-07-19 23:55:29,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:55:29,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 23:55:29,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:55:29,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 23:55:29,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:55:29,554 INFO L87 Difference]: Start difference. First operand 4468 states and 6307 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-19 23:55:30,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:55:30,583 INFO L93 Difference]: Finished difference Result 13429 states and 18971 transitions. [2022-07-19 23:55:30,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 23:55:30,584 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 95 [2022-07-19 23:55:30,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:55:30,654 INFO L225 Difference]: With dead ends: 13429 [2022-07-19 23:55:30,654 INFO L226 Difference]: Without dead ends: 8970 [2022-07-19 23:55:30,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-19 23:55:30,689 INFO L413 NwaCegarLoop]: 1859 mSDtfsCounter, 1576 mSDsluCounter, 5279 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1580 SdHoareTripleChecker+Valid, 7138 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-19 23:55:30,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1580 Valid, 7138 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-19 23:55:30,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8970 states. [2022-07-19 23:55:31,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8970 to 8931. [2022-07-19 23:55:31,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8931 states, 6330 states have (on average 1.307740916271722) internal successors, (8278), 6462 states have internal predecessors, (8278), 2152 states have call successors, (2152), 449 states have call predecessors, (2152), 448 states have return successors, (2175), 2139 states have call predecessors, (2175), 2151 states have call successors, (2175) [2022-07-19 23:55:31,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8931 states to 8931 states and 12605 transitions. [2022-07-19 23:55:31,138 INFO L78 Accepts]: Start accepts. Automaton has 8931 states and 12605 transitions. Word has length 95 [2022-07-19 23:55:31,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:55:31,139 INFO L495 AbstractCegarLoop]: Abstraction has 8931 states and 12605 transitions. [2022-07-19 23:55:31,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-19 23:55:31,140 INFO L276 IsEmpty]: Start isEmpty. Operand 8931 states and 12605 transitions. [2022-07-19 23:55:31,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-07-19 23:55:31,153 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:55:31,153 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-07-19 23:55:31,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-19 23:55:31,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:55:31,367 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:55:31,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:55:31,368 INFO L85 PathProgramCache]: Analyzing trace with hash 415212745, now seen corresponding path program 1 times [2022-07-19 23:55:31,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:55:31,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1774459572] [2022-07-19 23:55:31,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:55:31,370 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:55:31,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:55:31,372 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) [2022-07-19 23:55:31,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-19 23:55:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:55:32,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 23:55:32,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:55:33,228 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-19 23:55:33,229 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:55:33,229 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:55:33,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1774459572] [2022-07-19 23:55:33,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1774459572] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:55:33,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:55:33,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 23:55:33,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592902818] [2022-07-19 23:55:33,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:55:33,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 23:55:33,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:55:33,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 23:55:33,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:55:33,232 INFO L87 Difference]: Start difference. First operand 8931 states and 12605 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-19 23:55:34,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:55:34,496 INFO L93 Difference]: Finished difference Result 26687 states and 37676 transitions. [2022-07-19 23:55:34,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 23:55:34,497 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 100 [2022-07-19 23:55:34,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:55:34,637 INFO L225 Difference]: With dead ends: 26687 [2022-07-19 23:55:34,638 INFO L226 Difference]: Without dead ends: 17765 [2022-07-19 23:55:34,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-19 23:55:34,701 INFO L413 NwaCegarLoop]: 1859 mSDtfsCounter, 1577 mSDsluCounter, 5279 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1581 SdHoareTripleChecker+Valid, 7138 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-19 23:55:34,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1581 Valid, 7138 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-19 23:55:34,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17765 states. [2022-07-19 23:55:35,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17765 to 17693. [2022-07-19 23:55:35,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17693 states, 12549 states have (on average 1.3064786038728184) internal successors, (16395), 12805 states have internal predecessors, (16395), 4248 states have call successors, (4248), 896 states have call predecessors, (4248), 895 states have return successors, (4311), 4227 states have call predecessors, (4311), 4247 states have call successors, (4311) [2022-07-19 23:55:35,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17693 states to 17693 states and 24954 transitions. [2022-07-19 23:55:35,545 INFO L78 Accepts]: Start accepts. Automaton has 17693 states and 24954 transitions. Word has length 100 [2022-07-19 23:55:35,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:55:35,546 INFO L495 AbstractCegarLoop]: Abstraction has 17693 states and 24954 transitions. [2022-07-19 23:55:35,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-19 23:55:35,547 INFO L276 IsEmpty]: Start isEmpty. Operand 17693 states and 24954 transitions. [2022-07-19 23:55:35,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-07-19 23:55:35,556 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:55:35,558 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:55:35,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-19 23:55:35,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:55:35,773 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:55:35,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:55:35,774 INFO L85 PathProgramCache]: Analyzing trace with hash 372583021, now seen corresponding path program 1 times [2022-07-19 23:55:35,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:55:35,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [168268814] [2022-07-19 23:55:35,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:55:35,775 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:55:35,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:55:35,776 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) [2022-07-19 23:55:35,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-19 23:55:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:55:36,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-19 23:55:36,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:55:38,223 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-07-19 23:55:38,223 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 23:55:39,952 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-07-19 23:55:39,952 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:55:39,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [168268814] [2022-07-19 23:55:39,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [168268814] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-19 23:55:39,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 23:55:39,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 10 [2022-07-19 23:55:39,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804288090] [2022-07-19 23:55:39,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:55:39,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 23:55:39,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:55:39,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 23:55:39,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-07-19 23:55:39,957 INFO L87 Difference]: Start difference. First operand 17693 states and 24954 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-19 23:55:42,044 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:55:44,057 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:56:15,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:56:15,604 INFO L93 Difference]: Finished difference Result 47469 states and 67417 transitions. [2022-07-19 23:56:15,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 23:56:15,605 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) Word has length 105 [2022-07-19 23:56:15,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:56:15,754 INFO L225 Difference]: With dead ends: 47469 [2022-07-19 23:56:15,754 INFO L226 Difference]: Without dead ends: 29785 [2022-07-19 23:56:15,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2022-07-19 23:56:15,835 INFO L413 NwaCegarLoop]: 2732 mSDtfsCounter, 2443 mSDsluCounter, 10671 mSDsCounter, 0 mSdLazyCounter, 2039 mSolverCounterSat, 314 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2450 SdHoareTripleChecker+Valid, 13403 SdHoareTripleChecker+Invalid, 2355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 314 IncrementalHoareTripleChecker+Valid, 2039 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.8s IncrementalHoareTripleChecker+Time [2022-07-19 23:56:15,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2450 Valid, 13403 Invalid, 2355 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [314 Valid, 2039 Invalid, 2 Unknown, 0 Unchecked, 31.8s Time] [2022-07-19 23:56:15,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29785 states. [2022-07-19 23:56:16,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29785 to 26356. [2022-07-19 23:56:16,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26356 states, 18693 states have (on average 1.306906328572193) internal successors, (24430), 19069 states have internal predecessors, (24430), 6332 states have call successors, (6332), 1331 states have call predecessors, (6332), 1330 states have return successors, (6419), 6307 states have call predecessors, (6419), 6331 states have call successors, (6419) [2022-07-19 23:56:17,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26356 states to 26356 states and 37181 transitions. [2022-07-19 23:56:17,098 INFO L78 Accepts]: Start accepts. Automaton has 26356 states and 37181 transitions. Word has length 105 [2022-07-19 23:56:17,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:56:17,102 INFO L495 AbstractCegarLoop]: Abstraction has 26356 states and 37181 transitions. [2022-07-19 23:56:17,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-19 23:56:17,102 INFO L276 IsEmpty]: Start isEmpty. Operand 26356 states and 37181 transitions. [2022-07-19 23:56:17,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-07-19 23:56:17,139 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:56:17,139 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:56:17,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-19 23:56:17,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:56:17,356 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:56:17,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:56:17,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1011345320, now seen corresponding path program 1 times [2022-07-19 23:56:17,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:56:17,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1971396859] [2022-07-19 23:56:17,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:56:17,358 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:56:17,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:56:17,375 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) [2022-07-19 23:56:17,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-19 23:56:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:56:18,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-19 23:56:18,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:56:20,487 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-19 23:56:20,488 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 23:56:22,293 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-19 23:56:22,294 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:56:22,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1971396859] [2022-07-19 23:56:22,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1971396859] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 23:56:22,294 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-19 23:56:22,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 11 [2022-07-19 23:56:22,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042584851] [2022-07-19 23:56:22,295 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-19 23:56:22,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-19 23:56:22,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:56:22,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-19 23:56:22,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-07-19 23:56:22,296 INFO L87 Difference]: Start difference. First operand 26356 states and 37181 transitions. Second operand has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 9 states have internal predecessors, (97), 4 states have call successors, (25), 4 states have call predecessors, (25), 5 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-19 23:56:24,368 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:56:26,391 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:57:38,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:57:38,765 INFO L93 Difference]: Finished difference Result 60413 states and 85655 transitions. [2022-07-19 23:57:38,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-07-19 23:57:38,767 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 9 states have internal predecessors, (97), 4 states have call successors, (25), 4 states have call predecessors, (25), 5 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) Word has length 105 [2022-07-19 23:57:38,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:57:38,935 INFO L225 Difference]: With dead ends: 60413 [2022-07-19 23:57:38,936 INFO L226 Difference]: Without dead ends: 34066 [2022-07-19 23:57:39,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=240, Invalid=882, Unknown=0, NotChecked=0, Total=1122 [2022-07-19 23:57:39,042 INFO L413 NwaCegarLoop]: 3656 mSDtfsCounter, 6086 mSDsluCounter, 22824 mSDsCounter, 0 mSdLazyCounter, 5241 mSolverCounterSat, 1417 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6205 SdHoareTripleChecker+Valid, 26480 SdHoareTripleChecker+Invalid, 6660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1417 IncrementalHoareTripleChecker+Valid, 5241 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.3s IncrementalHoareTripleChecker+Time [2022-07-19 23:57:39,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6205 Valid, 26480 Invalid, 6660 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1417 Valid, 5241 Invalid, 2 Unknown, 0 Unchecked, 69.3s Time] [2022-07-19 23:57:39,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34066 states. [2022-07-19 23:57:40,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34066 to 30619. [2022-07-19 23:57:40,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30619 states, 21717 states have (on average 1.306672192291753) internal successors, (28377), 22157 states have internal predecessors, (28377), 7352 states have call successors, (7352), 1550 states have call predecessors, (7352), 1549 states have return successors, (7451), 7319 states have call predecessors, (7451), 7351 states have call successors, (7451) [2022-07-19 23:57:40,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30619 states to 30619 states and 43180 transitions. [2022-07-19 23:57:40,740 INFO L78 Accepts]: Start accepts. Automaton has 30619 states and 43180 transitions. Word has length 105 [2022-07-19 23:57:40,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:57:40,741 INFO L495 AbstractCegarLoop]: Abstraction has 30619 states and 43180 transitions. [2022-07-19 23:57:40,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 9 states have internal predecessors, (97), 4 states have call successors, (25), 4 states have call predecessors, (25), 5 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-19 23:57:40,741 INFO L276 IsEmpty]: Start isEmpty. Operand 30619 states and 43180 transitions. [2022-07-19 23:57:40,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-19 23:57:40,755 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:57:40,755 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:57:40,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-19 23:57:40,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:57:40,975 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:57:40,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:57:40,976 INFO L85 PathProgramCache]: Analyzing trace with hash 515495870, now seen corresponding path program 1 times [2022-07-19 23:57:40,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:57:40,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2067231334] [2022-07-19 23:57:40,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:57:40,977 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:57:40,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:57:40,980 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) [2022-07-19 23:57:40,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-19 23:57:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:57:41,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-19 23:57:41,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:57:43,820 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-19 23:57:43,820 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 23:57:45,515 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-19 23:57:45,516 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:57:45,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2067231334] [2022-07-19 23:57:45,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2067231334] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 23:57:45,516 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-19 23:57:45,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 11 [2022-07-19 23:57:45,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893328224] [2022-07-19 23:57:45,516 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-19 23:57:45,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-19 23:57:45,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:57:45,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-19 23:57:45,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-07-19 23:57:45,518 INFO L87 Difference]: Start difference. First operand 30619 states and 43180 transitions. Second operand has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 9 states have internal predecessors, (98), 4 states have call successors, (25), 4 states have call predecessors, (25), 5 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-19 23:57:47,620 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:57:49,632 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:57:51,648 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []