./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 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-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-?-791161d [2022-07-23 00:08:25,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 00:08:25,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 00:08:25,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 00:08:25,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 00:08:25,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 00:08:25,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 00:08:25,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 00:08:25,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 00:08:25,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 00:08:25,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 00:08:25,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 00:08:25,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 00:08:25,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 00:08:25,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 00:08:25,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 00:08:25,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 00:08:25,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 00:08:25,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 00:08:25,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 00:08:25,896 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 00:08:25,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 00:08:25,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 00:08:25,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 00:08:25,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 00:08:25,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 00:08:25,907 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 00:08:25,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 00:08:25,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 00:08:25,909 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 00:08:25,910 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 00:08:25,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 00:08:25,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 00:08:25,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 00:08:25,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 00:08:25,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 00:08:25,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 00:08:25,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 00:08:25,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 00:08:25,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 00:08:25,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 00:08:25,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 00:08:25,920 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 00:08:25,951 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 00:08:25,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 00:08:25,952 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 00:08:25,952 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 00:08:25,953 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 00:08:25,953 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 00:08:25,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 00:08:25,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 00:08:25,954 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 00:08:25,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 00:08:25,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 00:08:25,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 00:08:25,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 00:08:25,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 00:08:25,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 00:08:25,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 00:08:25,956 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 00:08:25,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 00:08:25,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 00:08:25,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 00:08:25,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 00:08:25,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:08:25,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 00:08:25,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 00:08:25,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 00:08:25,957 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 00:08:25,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 00:08:25,957 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 00:08:25,958 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 00:08:25,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 00:08:25,958 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ede4537c48caea37472e4c8ac2076bad2737918f5afe1a2cfd1e12976491d8e [2022-07-23 00:08:26,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 00:08:26,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 00:08:26,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 00:08:26,142 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 00:08:26,143 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 00:08:26,144 INFO L432 ainManager$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 [2022-07-23 00:08:26,215 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e70f79187/ad4c20e63ef44813bf3a59f6450a862c/FLAGf321c0ceb [2022-07-23 00:08:26,801 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 00:08:26,801 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 [2022-07-23 00:08:26,833 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e70f79187/ad4c20e63ef44813bf3a59f6450a862c/FLAGf321c0ceb [2022-07-23 00:08:27,231 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e70f79187/ad4c20e63ef44813bf3a59f6450a862c [2022-07-23 00:08:27,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 00:08:27,234 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 00:08:27,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 00:08:27,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 00:08:27,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 00:08:27,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:08:27" (1/1) ... [2022-07-23 00:08:27,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a1de03c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:08:27, skipping insertion in model container [2022-07-23 00:08:27,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:08:27" (1/1) ... [2022-07-23 00:08:27,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 00:08:27,324 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:08:27,700 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5957] [2022-07-23 00:08:27,700 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] [2022-07-23 00:08:27,881 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] [2022-07-23 00:08:28,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:08:28,554 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 00:08:28,654 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5957] [2022-07-23 00:08:28,656 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] [2022-07-23 00:08:28,665 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] [2022-07-23 00:08:28,717 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) [2022-07-23 00:08:28,725 INFO L158 Benchmark]: Toolchain (without parser) took 1489.66ms. Allocated memory was 86.0MB in the beginning and 144.7MB in the end (delta: 58.7MB). Free memory was 55.3MB in the beginning and 62.3MB in the end (delta: -7.0MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2022-07-23 00:08:28,725 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 86.0MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 26.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 00:08:28,726 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1488.27ms. Allocated memory was 86.0MB in the beginning and 144.7MB in the end (delta: 58.7MB). Free memory was 55.1MB in the beginning and 62.3MB in the end (delta: -7.3MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2022-07-23 00:08:28,727 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 86.0MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 26.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1488.27ms. Allocated memory was 86.0MB in the beginning and 144.7MB in the end (delta: 58.7MB). Free memory was 55.1MB in the beginning and 62.3MB in the end (delta: -7.3MB). Peak memory consumption was 56.1MB. 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-?-791161d [2022-07-23 00:08:30,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 00:08:30,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 00:08:30,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 00:08:30,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 00:08:30,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 00:08:30,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 00:08:30,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 00:08:30,311 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 00:08:30,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 00:08:30,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 00:08:30,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 00:08:30,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 00:08:30,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 00:08:30,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 00:08:30,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 00:08:30,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 00:08:30,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 00:08:30,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 00:08:30,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 00:08:30,321 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 00:08:30,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 00:08:30,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 00:08:30,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 00:08:30,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 00:08:30,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 00:08:30,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 00:08:30,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 00:08:30,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 00:08:30,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 00:08:30,341 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 00:08:30,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 00:08:30,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 00:08:30,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 00:08:30,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 00:08:30,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 00:08:30,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 00:08:30,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 00:08:30,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 00:08:30,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 00:08:30,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 00:08:30,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 00:08:30,353 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 00:08:30,380 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 00:08:30,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 00:08:30,381 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 00:08:30,381 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 00:08:30,382 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 00:08:30,382 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 00:08:30,383 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 00:08:30,383 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 00:08:30,383 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 00:08:30,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 00:08:30,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 00:08:30,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 00:08:30,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 00:08:30,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 00:08:30,390 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 00:08:30,390 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 00:08:30,390 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 00:08:30,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 00:08:30,391 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 00:08:30,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 00:08:30,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 00:08:30,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 00:08:30,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 00:08:30,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:08:30,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 00:08:30,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 00:08:30,392 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 00:08:30,392 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 00:08:30,393 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 00:08:30,393 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 00:08:30,393 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 00:08:30,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 00:08:30,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 00:08:30,393 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ede4537c48caea37472e4c8ac2076bad2737918f5afe1a2cfd1e12976491d8e [2022-07-23 00:08:30,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 00:08:30,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 00:08:30,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 00:08:30,684 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 00:08:30,685 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 00:08:30,687 INFO L432 ainManager$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 [2022-07-23 00:08:30,742 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/476ccbfe2/d018fe836cfd40ff9ef7458ce607e1a7/FLAGc01cf4fa5 [2022-07-23 00:08:31,492 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 00:08:31,493 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 [2022-07-23 00:08:31,528 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/476ccbfe2/d018fe836cfd40ff9ef7458ce607e1a7/FLAGc01cf4fa5 [2022-07-23 00:08:31,756 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/476ccbfe2/d018fe836cfd40ff9ef7458ce607e1a7 [2022-07-23 00:08:31,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 00:08:31,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 00:08:31,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 00:08:31,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 00:08:31,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 00:08:31,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:08:31" (1/1) ... [2022-07-23 00:08:31,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ad717af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:08:31, skipping insertion in model container [2022-07-23 00:08:31,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:08:31" (1/1) ... [2022-07-23 00:08:31,771 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 00:08:31,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:08:32,258 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5957] [2022-07-23 00:08:32,262 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] [2022-07-23 00:08:32,561 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] [2022-07-23 00:08:33,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:08:33,314 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 00:08:33,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:08:33,455 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5957] [2022-07-23 00:08:33,455 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] [2022-07-23 00:08:33,477 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] [2022-07-23 00:08:33,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:08:33,632 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 00:08:33,740 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5957] [2022-07-23 00:08:33,741 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] [2022-07-23 00:08:33,750 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-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] [2022-07-23 00:08:33,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:08:33,943 INFO L208 MainTranslator]: Completed translation [2022-07-23 00:08:33,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:08:33 WrapperNode [2022-07-23 00:08:33,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 00:08:33,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 00:08:33,946 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 00:08:33,946 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 00:08:33,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:08:33" (1/1) ... [2022-07-23 00:08:34,068 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:08:33" (1/1) ... [2022-07-23 00:08:34,178 INFO L137 Inliner]: procedures = 233, calls = 1605, calls flagged for inlining = 116, calls inlined = 113, statements flattened = 3008 [2022-07-23 00:08:34,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 00:08:34,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 00:08:34,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 00:08:34,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 00:08:34,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:08:33" (1/1) ... [2022-07-23 00:08:34,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:08:33" (1/1) ... [2022-07-23 00:08:34,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:08:33" (1/1) ... [2022-07-23 00:08:34,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:08:33" (1/1) ... [2022-07-23 00:08:34,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:08:33" (1/1) ... [2022-07-23 00:08:34,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:08:33" (1/1) ... [2022-07-23 00:08:34,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:08:33" (1/1) ... [2022-07-23 00:08:34,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 00:08:34,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 00:08:34,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 00:08:34,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 00:08:34,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:08:33" (1/1) ... [2022-07-23 00:08:34,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:08:34,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:08:34,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 00:08:34,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 00:08:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 00:08:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 00:08:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 00:08:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 00:08:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 00:08:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 00:08:34,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 00:08:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 00:08:34,500 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 00:08:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-23 00:08:34,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-23 00:08:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 00:08:34,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 00:08:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-23 00:08:34,501 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-23 00:08:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 00:08:34,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 00:08:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 00:08:34,501 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 00:08:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 00:08:34,502 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 00:08:34,502 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 00:08:34,502 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 00:08:34,502 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 00:08:34,502 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 00:08:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-23 00:08:34,503 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-23 00:08:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 00:08:34,503 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 00:08:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 00:08:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_port_read_long [2022-07-23 00:08:34,504 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_port_read_long [2022-07-23 00:08:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 00:08:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-23 00:08:34,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-23 00:08:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 00:08:34,504 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 00:08:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 00:08:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 00:08:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 00:08:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 00:08:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 00:08:34,506 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-23 00:08:34,506 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-23 00:08:34,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 00:08:34,507 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_adap_init [2022-07-23 00:08:34,507 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_adap_init [2022-07-23 00:08:34,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 00:08:34,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 00:08:34,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 00:08:34,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-23 00:08:34,508 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-23 00:08:34,508 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_int_common [2022-07-23 00:08:34,508 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_int_common [2022-07-23 00:08:34,508 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 00:08:34,508 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 00:08:34,508 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-23 00:08:34,509 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-23 00:08:34,509 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 00:08:34,509 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 00:08:34,509 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_rcv_flush [2022-07-23 00:08:34,509 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_rcv_flush [2022-07-23 00:08:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_get_stats [2022-07-23 00:08:34,510 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_get_stats [2022-07-23 00:08:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-23 00:08:34,510 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-23 00:08:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_update_cam [2022-07-23 00:08:34,511 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_update_cam [2022-07-23 00:08:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 00:08:34,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 00:08:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_dma_cmd_req [2022-07-23 00:08:34,512 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_dma_cmd_req [2022-07-23 00:08:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_dma_uninit [2022-07-23 00:08:34,512 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_dma_uninit [2022-07-23 00:08:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 00:08:34,512 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 00:08:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-23 00:08:34,513 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-23 00:08:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-23 00:08:34,513 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-23 00:08:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure my_skb_align [2022-07-23 00:08:34,514 INFO L138 BoogieDeclarations]: Found implementation of procedure my_skb_align [2022-07-23 00:08:34,514 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 00:08:34,514 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 00:08:34,514 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 00:08:34,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 00:08:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_port_write_long [2022-07-23 00:08:34,515 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_port_write_long [2022-07-23 00:08:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 00:08:34,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 00:08:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-23 00:08:34,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-23 00:08:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-07-23 00:08:34,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-07-23 00:08:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 00:08:34,516 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 00:08:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-23 00:08:34,516 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-23 00:08:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 00:08:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 00:08:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 00:08:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 00:08:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-23 00:08:34,517 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-23 00:08:34,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 00:08:34,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 00:08:34,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 00:08:34,520 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-23 00:08:34,520 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-23 00:08:34,521 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_port_ctrl_req [2022-07-23 00:08:34,522 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_port_ctrl_req [2022-07-23 00:08:34,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 00:08:34,522 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_xmt_flush [2022-07-23 00:08:34,522 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_xmt_flush [2022-07-23 00:08:34,522 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 00:08:34,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 00:08:34,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 00:08:34,528 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_update_filters [2022-07-23 00:08:34,528 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_update_filters [2022-07-23 00:08:34,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 00:08:34,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 00:08:34,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-23 00:08:34,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-23 00:08:34,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 00:08:34,528 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_set_mac_address [2022-07-23 00:08:34,529 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_set_mac_address [2022-07-23 00:08:34,529 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_set_multicast_list [2022-07-23 00:08:34,529 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_set_multicast_list [2022-07-23 00:08:34,529 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_adap_state_rd [2022-07-23 00:08:34,529 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_adap_state_rd [2022-07-23 00:08:34,529 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 00:08:34,529 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 00:08:34,529 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-23 00:08:34,529 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-23 00:08:34,530 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-23 00:08:34,530 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-23 00:08:34,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 00:08:34,530 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_get_bars [2022-07-23 00:08:34,530 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_get_bars [2022-07-23 00:08:34,530 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-23 00:08:34,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-23 00:08:34,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 00:08:34,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 00:08:35,099 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 00:08:35,102 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 00:08:37,620 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 00:09:37,114 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 00:09:37,135 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 00:09:37,136 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 00:09:37,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:09:37 BoogieIcfgContainer [2022-07-23 00:09:37,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 00:09:37,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 00:09:37,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 00:09:37,146 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 00:09:37,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 12:08:31" (1/3) ... [2022-07-23 00:09:37,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48159473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:09:37, skipping insertion in model container [2022-07-23 00:09:37,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:08:33" (2/3) ... [2022-07-23 00:09:37,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48159473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:09:37, skipping insertion in model container [2022-07-23 00:09:37,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:09:37" (3/3) ... [2022-07-23 00:09:37,149 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 [2022-07-23 00:09:37,160 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 00:09:37,160 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 00:09:37,245 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 00:09:37,253 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@7042306b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@d75ef44 [2022-07-23 00:09:37,254 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 00:09:37,263 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) [2022-07-23 00:09:37,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-23 00:09:37,290 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:09:37,291 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] [2022-07-23 00:09:37,292 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:09:37,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:09:37,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1023729415, now seen corresponding path program 1 times [2022-07-23 00:09:37,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:09:37,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [997475069] [2022-07-23 00:09:37,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:09:37,310 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:09:37,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:09:37,312 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 00:09:37,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 00:09:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:09:38,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 00:09:38,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:09:39,183 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-23 00:09:39,183 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:09:39,183 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:09:39,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [997475069] [2022-07-23 00:09:39,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [997475069] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:09:39,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:09:39,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 00:09:39,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606216591] [2022-07-23 00:09:39,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:09:39,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 00:09:39,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:09:39,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 00:09:39,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 00:09:39,215 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) [2022-07-23 00:09:40,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:09:40,177 INFO L93 Difference]: Finished difference Result 3435 states and 4930 transitions. [2022-07-23 00:09:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 00:09:40,179 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 [2022-07-23 00:09:40,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:09:40,204 INFO L225 Difference]: With dead ends: 3435 [2022-07-23 00:09:40,204 INFO L226 Difference]: Without dead ends: 2252 [2022-07-23 00:09:40,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 00:09:40,218 INFO L413 NwaCegarLoop]: 1887 mSDtfsCounter, 1605 mSDsluCounter, 5366 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 00:09:40,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1609 Valid, 7253 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 00:09:40,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2252 states. [2022-07-23 00:09:40,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2252 to 2239. [2022-07-23 00:09:40,340 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) [2022-07-23 00:09:40,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 2239 states and 3161 transitions. [2022-07-23 00:09:40,354 INFO L78 Accepts]: Start accepts. Automaton has 2239 states and 3161 transitions. Word has length 93 [2022-07-23 00:09:40,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:09:40,354 INFO L495 AbstractCegarLoop]: Abstraction has 2239 states and 3161 transitions. [2022-07-23 00:09:40,355 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) [2022-07-23 00:09:40,355 INFO L276 IsEmpty]: Start isEmpty. Operand 2239 states and 3161 transitions. [2022-07-23 00:09:40,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-23 00:09:40,364 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:09:40,365 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] [2022-07-23 00:09:40,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-23 00:09:40,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 00:09:40,579 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:09:40,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:09:40,580 INFO L85 PathProgramCache]: Analyzing trace with hash 988225853, now seen corresponding path program 1 times [2022-07-23 00:09:40,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:09:40,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [772261155] [2022-07-23 00:09:40,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:09:40,581 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:09:40,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:09:40,583 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 00:09:40,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 00:09:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:09:41,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 00:09:41,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:09:42,355 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-23 00:09:42,357 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:09:42,358 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:09:42,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [772261155] [2022-07-23 00:09:42,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [772261155] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:09:42,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:09:42,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 00:09:42,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568332355] [2022-07-23 00:09:42,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:09:42,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 00:09:42,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:09:42,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 00:09:42,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 00:09:42,399 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) [2022-07-23 00:09:43,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:09:43,302 INFO L93 Difference]: Finished difference Result 6719 states and 9495 transitions. [2022-07-23 00:09:43,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 00:09:43,302 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 [2022-07-23 00:09:43,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:09:43,325 INFO L225 Difference]: With dead ends: 6719 [2022-07-23 00:09:43,326 INFO L226 Difference]: Without dead ends: 4489 [2022-07-23 00:09:43,338 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 [2022-07-23 00:09:43,339 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 [2022-07-23 00:09:43,339 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] [2022-07-23 00:09:43,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4489 states. [2022-07-23 00:09:43,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4489 to 4468. [2022-07-23 00:09:43,470 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) [2022-07-23 00:09:43,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4468 states to 4468 states and 6307 transitions. [2022-07-23 00:09:43,503 INFO L78 Accepts]: Start accepts. Automaton has 4468 states and 6307 transitions. Word has length 94 [2022-07-23 00:09:43,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:09:43,503 INFO L495 AbstractCegarLoop]: Abstraction has 4468 states and 6307 transitions. [2022-07-23 00:09:43,504 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) [2022-07-23 00:09:43,504 INFO L276 IsEmpty]: Start isEmpty. Operand 4468 states and 6307 transitions. [2022-07-23 00:09:43,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-07-23 00:09:43,511 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:09:43,511 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] [2022-07-23 00:09:43,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 00:09:43,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 00:09:43,732 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:09:43,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:09:43,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1343295556, now seen corresponding path program 1 times [2022-07-23 00:09:43,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:09:43,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2143081973] [2022-07-23 00:09:43,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:09:43,734 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:09:43,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:09:43,736 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 00:09:43,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 00:09:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:09:44,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 00:09:44,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:09:45,551 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-23 00:09:45,551 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:09:45,551 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:09:45,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2143081973] [2022-07-23 00:09:45,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2143081973] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:09:45,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:09:45,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 00:09:45,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866523560] [2022-07-23 00:09:45,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:09:45,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 00:09:45,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:09:45,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 00:09:45,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 00:09:45,553 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) [2022-07-23 00:09:46,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:09:46,745 INFO L93 Difference]: Finished difference Result 13429 states and 18971 transitions. [2022-07-23 00:09:46,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 00:09:46,746 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 [2022-07-23 00:09:46,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:09:46,801 INFO L225 Difference]: With dead ends: 13429 [2022-07-23 00:09:46,801 INFO L226 Difference]: Without dead ends: 8970 [2022-07-23 00:09:46,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 00:09:46,825 INFO L413 NwaCegarLoop]: 1859 mSDtfsCounter, 1576 mSDsluCounter, 5279 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-07-23 00:09:46,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1580 Valid, 7138 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-23 00:09:46,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8970 states. [2022-07-23 00:09:47,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8970 to 8931. [2022-07-23 00:09:47,092 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) [2022-07-23 00:09:47,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8931 states to 8931 states and 12605 transitions. [2022-07-23 00:09:47,142 INFO L78 Accepts]: Start accepts. Automaton has 8931 states and 12605 transitions. Word has length 95 [2022-07-23 00:09:47,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:09:47,143 INFO L495 AbstractCegarLoop]: Abstraction has 8931 states and 12605 transitions. [2022-07-23 00:09:47,144 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) [2022-07-23 00:09:47,144 INFO L276 IsEmpty]: Start isEmpty. Operand 8931 states and 12605 transitions. [2022-07-23 00:09:47,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-07-23 00:09:47,150 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:09:47,150 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] [2022-07-23 00:09:47,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 00:09:47,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 00:09:47,359 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:09:47,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:09:47,360 INFO L85 PathProgramCache]: Analyzing trace with hash 415212745, now seen corresponding path program 1 times [2022-07-23 00:09:47,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:09:47,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1740424459] [2022-07-23 00:09:47,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:09:47,361 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:09:47,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:09:47,364 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 00:09:47,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 00:09:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:09:48,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 00:09:48,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:09:49,134 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-23 00:09:49,134 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:09:49,135 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:09:49,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1740424459] [2022-07-23 00:09:49,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1740424459] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:09:49,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:09:49,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 00:09:49,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384179837] [2022-07-23 00:09:49,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:09:49,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 00:09:49,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:09:49,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 00:09:49,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 00:09:49,137 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) [2022-07-23 00:09:50,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:09:50,121 INFO L93 Difference]: Finished difference Result 26687 states and 37676 transitions. [2022-07-23 00:09:50,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 00:09:50,122 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 [2022-07-23 00:09:50,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:09:50,219 INFO L225 Difference]: With dead ends: 26687 [2022-07-23 00:09:50,219 INFO L226 Difference]: Without dead ends: 17765 [2022-07-23 00:09:50,340 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 [2022-07-23 00:09:50,342 INFO L413 NwaCegarLoop]: 1859 mSDtfsCounter, 1577 mSDsluCounter, 5279 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 00:09:50,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1581 Valid, 7138 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 00:09:50,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17765 states. [2022-07-23 00:09:50,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17765 to 17693. [2022-07-23 00:09:50,794 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) [2022-07-23 00:09:50,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17693 states to 17693 states and 24954 transitions. [2022-07-23 00:09:50,865 INFO L78 Accepts]: Start accepts. Automaton has 17693 states and 24954 transitions. Word has length 100 [2022-07-23 00:09:50,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:09:50,866 INFO L495 AbstractCegarLoop]: Abstraction has 17693 states and 24954 transitions. [2022-07-23 00:09:50,866 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) [2022-07-23 00:09:50,866 INFO L276 IsEmpty]: Start isEmpty. Operand 17693 states and 24954 transitions. [2022-07-23 00:09:50,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-07-23 00:09:50,876 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:09:50,876 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] [2022-07-23 00:09:50,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 00:09:51,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 00:09:51,091 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:09:51,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:09:51,092 INFO L85 PathProgramCache]: Analyzing trace with hash 372583021, now seen corresponding path program 1 times [2022-07-23 00:09:51,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:09:51,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1965917802] [2022-07-23 00:09:51,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:09:51,093 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:09:51,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:09:51,095 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 00:09:51,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 00:09:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:09:51,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-23 00:09:51,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:09:53,514 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-07-23 00:09:53,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 00:09:55,286 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-07-23 00:09:55,286 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:09:55,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1965917802] [2022-07-23 00:09:55,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1965917802] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 00:09:55,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 00:09:55,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 10 [2022-07-23 00:09:55,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264113536] [2022-07-23 00:09:55,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:09:55,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 00:09:55,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:09:55,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 00:09:55,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-07-23 00:09:55,288 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) [2022-07-23 00:09:57,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:09:59,401 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:10:30,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:10:30,829 INFO L93 Difference]: Finished difference Result 47469 states and 67417 transitions. [2022-07-23 00:10:30,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-23 00:10:30,846 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 [2022-07-23 00:10:30,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:10:31,027 INFO L225 Difference]: With dead ends: 47469 [2022-07-23 00:10:31,027 INFO L226 Difference]: Without dead ends: 29785 [2022-07-23 00:10:31,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2022-07-23 00:10:31,102 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 [2022-07-23 00:10:31,102 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] [2022-07-23 00:10:31,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29785 states. [2022-07-23 00:10:31,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29785 to 26356. [2022-07-23 00:10:32,116 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) [2022-07-23 00:10:32,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26356 states to 26356 states and 37181 transitions. [2022-07-23 00:10:32,328 INFO L78 Accepts]: Start accepts. Automaton has 26356 states and 37181 transitions. Word has length 105 [2022-07-23 00:10:32,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:10:32,345 INFO L495 AbstractCegarLoop]: Abstraction has 26356 states and 37181 transitions. [2022-07-23 00:10:32,345 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) [2022-07-23 00:10:32,345 INFO L276 IsEmpty]: Start isEmpty. Operand 26356 states and 37181 transitions. [2022-07-23 00:10:32,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-07-23 00:10:32,355 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:10:32,355 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] [2022-07-23 00:10:32,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 00:10:32,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 00:10:32,573 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:10:32,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:10:32,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1011345320, now seen corresponding path program 1 times [2022-07-23 00:10:32,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:10:32,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1503887304] [2022-07-23 00:10:32,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:10:32,575 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:10:32,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:10:32,576 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 00:10:32,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 00:10:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:10:33,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-23 00:10:33,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:10:35,417 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-23 00:10:35,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 00:10:37,249 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-23 00:10:37,249 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:10:37,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1503887304] [2022-07-23 00:10:37,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1503887304] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 00:10:37,250 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 00:10:37,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 11 [2022-07-23 00:10:37,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919942957] [2022-07-23 00:10:37,250 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 00:10:37,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-23 00:10:37,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:10:37,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-23 00:10:37,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-07-23 00:10:37,252 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) [2022-07-23 00:10:39,326 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 [] [2022-07-23 00:10:41,336 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 [] [2022-07-23 00:11:58,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:11:58,653 INFO L93 Difference]: Finished difference Result 60413 states and 85655 transitions. [2022-07-23 00:11:58,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-07-23 00:11:58,657 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 [2022-07-23 00:11:58,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:11:59,019 INFO L225 Difference]: With dead ends: 60413 [2022-07-23 00:11:59,035 INFO L226 Difference]: Without dead ends: 34066 [2022-07-23 00:11:59,239 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 [2022-07-23 00:11:59,241 INFO L413 NwaCegarLoop]: 3656 mSDtfsCounter, 6086 mSDsluCounter, 22824 mSDsCounter, 0 mSdLazyCounter, 5241 mSolverCounterSat, 1417 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 72.1s 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, 74.2s IncrementalHoareTripleChecker+Time [2022-07-23 00:11:59,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6205 Valid, 26480 Invalid, 6660 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1417 Valid, 5241 Invalid, 2 Unknown, 0 Unchecked, 74.2s Time] [2022-07-23 00:11:59,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34066 states. [2022-07-23 00:12:00,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34066 to 30619. [2022-07-23 00:12:00,499 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) [2022-07-23 00:12:00,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30619 states to 30619 states and 43180 transitions. [2022-07-23 00:12:00,756 INFO L78 Accepts]: Start accepts. Automaton has 30619 states and 43180 transitions. Word has length 105 [2022-07-23 00:12:00,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:12:00,757 INFO L495 AbstractCegarLoop]: Abstraction has 30619 states and 43180 transitions. [2022-07-23 00:12:00,757 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) [2022-07-23 00:12:00,758 INFO L276 IsEmpty]: Start isEmpty. Operand 30619 states and 43180 transitions. [2022-07-23 00:12:00,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-23 00:12:00,770 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:12:00,770 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] [2022-07-23 00:12:00,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-23 00:12:00,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 00:12:00,992 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:12:00,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:12:00,992 INFO L85 PathProgramCache]: Analyzing trace with hash 515495870, now seen corresponding path program 1 times [2022-07-23 00:12:00,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:12:00,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [936215270] [2022-07-23 00:12:00,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:12:00,993 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:12:00,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:12:00,996 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 00:12:00,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-23 00:12:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:12:01,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-23 00:12:01,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:12:03,972 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-23 00:12:03,972 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 00:12:05,862 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-23 00:12:05,862 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:12:05,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [936215270] [2022-07-23 00:12:05,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [936215270] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 00:12:05,862 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 00:12:05,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 11 [2022-07-23 00:12:05,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026911791] [2022-07-23 00:12:05,863 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 00:12:05,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-23 00:12:05,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:12:05,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-23 00:12:05,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-07-23 00:12:05,864 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) [2022-07-23 00:12:07,943 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:12:09,953 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:12:11,970 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []