./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 6c24879c 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-?-6c24879 [2022-07-12 12:52:06,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:52:06,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:52:06,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:52:06,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:52:06,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:52:06,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:52:06,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:52:06,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:52:06,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:52:06,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:52:06,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:52:06,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:52:06,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:52:06,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:52:06,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:52:06,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:52:06,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:52:06,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:52:06,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:52:06,320 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:52:06,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:52:06,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:52:06,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:52:06,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:52:06,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:52:06,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:52:06,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:52:06,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:52:06,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:52:06,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:52:06,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:52:06,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:52:06,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:52:06,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:52:06,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:52:06,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:52:06,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:52:06,331 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:52:06,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:52:06,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:52:06,333 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:52:06,334 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 12:52:06,351 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:52:06,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:52:06,351 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:52:06,352 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:52:06,352 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:52:06,352 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:52:06,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:52:06,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:52:06,353 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:52:06,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:52:06,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 12:52:06,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:52:06,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:52:06,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:52:06,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:52:06,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:52:06,355 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:52:06,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:52:06,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:52:06,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:52:06,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:52:06,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:52:06,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:52:06,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:52:06,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:52:06,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 12:52:06,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 12:52:06,358 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:52:06,358 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:52:06,359 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:52:06,359 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ede4537c48caea37472e4c8ac2076bad2737918f5afe1a2cfd1e12976491d8e [2022-07-12 12:52:06,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:52:06,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:52:06,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:52:06,545 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:52:06,546 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:52:06,547 INFO L432 ainManager$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 [2022-07-12 12:52:06,593 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cc405459/3572af14e77b44ba9b700362a252ee4c/FLAG3578a928c [2022-07-12 12:52:07,206 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:52:07,207 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 [2022-07-12 12:52:07,242 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cc405459/3572af14e77b44ba9b700362a252ee4c/FLAG3578a928c [2022-07-12 12:52:07,571 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cc405459/3572af14e77b44ba9b700362a252ee4c [2022-07-12 12:52:07,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:52:07,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:52:07,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:52:07,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:52:07,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:52:07,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:52:07" (1/1) ... [2022-07-12 12:52:07,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a1e94ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:52:07, skipping insertion in model container [2022-07-12 12:52:07,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:52:07" (1/1) ... [2022-07-12 12:52:07,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:52:07,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:52:08,070 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5957] [2022-07-12 12:52:08,071 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] [2022-07-12 12:52:08,339 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] [2022-07-12 12:52:08,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:52:09,046 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:52:09,120 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5957] [2022-07-12 12:52:09,122 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] [2022-07-12 12:52:09,130 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] [2022-07-12 12:52:09,205 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) [2022-07-12 12:52:09,209 INFO L158 Benchmark]: Toolchain (without parser) took 1633.34ms. Allocated memory was 104.9MB in the beginning and 222.3MB in the end (delta: 117.4MB). Free memory was 62.3MB in the beginning and 156.9MB in the end (delta: -94.7MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. [2022-07-12 12:52:09,210 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory was 58.9MB in the beginning and 58.8MB in the end (delta: 46.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 12:52:09,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1631.88ms. Allocated memory was 104.9MB in the beginning and 222.3MB in the end (delta: 117.4MB). Free memory was 62.0MB in the beginning and 156.9MB in the end (delta: -94.9MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. [2022-07-12 12:52:09,212 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory was 58.9MB in the beginning and 58.8MB in the end (delta: 46.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1631.88ms. Allocated memory was 104.9MB in the beginning and 222.3MB in the end (delta: 117.4MB). Free memory was 62.0MB in the beginning and 156.9MB in the end (delta: -94.9MB). Peak memory consumption was 54.3MB. 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-?-6c24879 [2022-07-12 12:52:10,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:52:10,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:52:10,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:52:10,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:52:10,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:52:10,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:52:10,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:52:10,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:52:10,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:52:10,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:52:10,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:52:10,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:52:10,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:52:10,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:52:10,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:52:10,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:52:10,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:52:10,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:52:10,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:52:10,778 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:52:10,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:52:10,781 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:52:10,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:52:10,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:52:10,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:52:10,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:52:10,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:52:10,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:52:10,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:52:10,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:52:10,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:52:10,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:52:10,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:52:10,792 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:52:10,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:52:10,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:52:10,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:52:10,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:52:10,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:52:10,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:52:10,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:52:10,798 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 12:52:10,826 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:52:10,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:52:10,827 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:52:10,827 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:52:10,827 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:52:10,828 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:52:10,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:52:10,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:52:10,828 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:52:10,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:52:10,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:52:10,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:52:10,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:52:10,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:52:10,830 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 12:52:10,830 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 12:52:10,830 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 12:52:10,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:52:10,830 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:52:10,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:52:10,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:52:10,831 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:52:10,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:52:10,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:52:10,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:52:10,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:52:10,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:52:10,832 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 12:52:10,832 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 12:52:10,832 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:52:10,832 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:52:10,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:52:10,832 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 12:52:10,833 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ede4537c48caea37472e4c8ac2076bad2737918f5afe1a2cfd1e12976491d8e [2022-07-12 12:52:11,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:52:11,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:52:11,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:52:11,128 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:52:11,128 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:52:11,129 INFO L432 ainManager$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 [2022-07-12 12:52:11,180 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50aac7b93/454b8781d8834266afaf19030f7db8f1/FLAG2df217fff [2022-07-12 12:52:11,781 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:52:11,782 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 [2022-07-12 12:52:11,821 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50aac7b93/454b8781d8834266afaf19030f7db8f1/FLAG2df217fff [2022-07-12 12:52:11,927 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50aac7b93/454b8781d8834266afaf19030f7db8f1 [2022-07-12 12:52:11,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:52:11,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:52:11,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:52:11,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:52:11,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:52:11,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:52:11" (1/1) ... [2022-07-12 12:52:11,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39a11786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:52:11, skipping insertion in model container [2022-07-12 12:52:11,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:52:11" (1/1) ... [2022-07-12 12:52:11,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:52:12,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:52:12,448 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5957] [2022-07-12 12:52:12,449 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] [2022-07-12 12:52:12,701 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] [2022-07-12 12:52:13,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:52:13,408 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 12:52:13,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:52:13,536 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5957] [2022-07-12 12:52:13,536 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] [2022-07-12 12:52:13,542 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] [2022-07-12 12:52:13,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:52:13,691 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:52:13,786 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5957] [2022-07-12 12:52:13,786 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] [2022-07-12 12:52:13,794 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] [2022-07-12 12:52:13,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:52:13,981 INFO L208 MainTranslator]: Completed translation [2022-07-12 12:52:13,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:52:13 WrapperNode [2022-07-12 12:52:13,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 12:52:13,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 12:52:13,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 12:52:13,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 12:52:13,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:52:13" (1/1) ... [2022-07-12 12:52:14,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:52:13" (1/1) ... [2022-07-12 12:52:14,147 INFO L137 Inliner]: procedures = 233, calls = 1605, calls flagged for inlining = 116, calls inlined = 113, statements flattened = 3008 [2022-07-12 12:52:14,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 12:52:14,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 12:52:14,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 12:52:14,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 12:52:14,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:52:13" (1/1) ... [2022-07-12 12:52:14,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:52:13" (1/1) ... [2022-07-12 12:52:14,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:52:13" (1/1) ... [2022-07-12 12:52:14,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:52:13" (1/1) ... [2022-07-12 12:52:14,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:52:13" (1/1) ... [2022-07-12 12:52:14,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:52:13" (1/1) ... [2022-07-12 12:52:14,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:52:13" (1/1) ... [2022-07-12 12:52:14,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 12:52:14,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 12:52:14,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 12:52:14,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 12:52:14,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:52:13" (1/1) ... [2022-07-12 12:52:14,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:52:14,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:52:14,405 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) [2022-07-12 12:52:14,415 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 [2022-07-12 12:52:14,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 12:52:14,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 12:52:14,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 12:52:14,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 12:52:14,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 12:52:14,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 12:52:14,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 12:52:14,437 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 12:52:14,438 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 12:52:14,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-12 12:52:14,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-12 12:52:14,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 12:52:14,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 12:52:14,438 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-12 12:52:14,438 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-12 12:52:14,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 12:52:14,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 12:52:14,439 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 12:52:14,439 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 12:52:14,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 12:52:14,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 12:52:14,439 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 12:52:14,439 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 12:52:14,440 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 12:52:14,440 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 12:52:14,440 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-12 12:52:14,440 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-12 12:52:14,440 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 12:52:14,440 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 12:52:14,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 12:52:14,441 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_port_read_long [2022-07-12 12:52:14,441 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_port_read_long [2022-07-12 12:52:14,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 12:52:14,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-12 12:52:14,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-12 12:52:14,441 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 12:52:14,441 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 12:52:14,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 12:52:14,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 12:52:14,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 12:52:14,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 12:52:14,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 12:52:14,442 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-12 12:52:14,443 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-12 12:52:14,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 12:52:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_adap_init [2022-07-12 12:52:14,444 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_adap_init [2022-07-12 12:52:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 12:52:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 12:52:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 12:52:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-12 12:52:14,444 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-12 12:52:14,445 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_int_common [2022-07-12 12:52:14,445 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_int_common [2022-07-12 12:52:14,445 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 12:52:14,445 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 12:52:14,445 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-12 12:52:14,445 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-12 12:52:14,445 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 12:52:14,445 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 12:52:14,445 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_rcv_flush [2022-07-12 12:52:14,446 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_rcv_flush [2022-07-12 12:52:14,446 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_get_stats [2022-07-12 12:52:14,446 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_get_stats [2022-07-12 12:52:14,446 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 12:52:14,446 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 12:52:14,446 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_update_cam [2022-07-12 12:52:14,447 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_update_cam [2022-07-12 12:52:14,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 12:52:14,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 12:52:14,447 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_dma_cmd_req [2022-07-12 12:52:14,447 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_dma_cmd_req [2022-07-12 12:52:14,447 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_dma_uninit [2022-07-12 12:52:14,447 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_dma_uninit [2022-07-12 12:52:14,447 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 12:52:14,447 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 12:52:14,448 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-12 12:52:14,448 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-12 12:52:14,448 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-12 12:52:14,448 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-12 12:52:14,448 INFO L130 BoogieDeclarations]: Found specification of procedure my_skb_align [2022-07-12 12:52:14,449 INFO L138 BoogieDeclarations]: Found implementation of procedure my_skb_align [2022-07-12 12:52:14,449 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 12:52:14,449 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 12:52:14,449 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 12:52:14,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 12:52:14,450 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_port_write_long [2022-07-12 12:52:14,450 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_port_write_long [2022-07-12 12:52:14,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 12:52:14,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 12:52:14,451 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-12 12:52:14,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-12 12:52:14,451 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-07-12 12:52:14,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-07-12 12:52:14,451 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 12:52:14,451 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 12:52:14,451 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-12 12:52:14,451 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-12 12:52:14,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 12:52:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 12:52:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 12:52:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 12:52:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-12 12:52:14,452 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-12 12:52:14,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 12:52:14,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 12:52:14,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 12:52:14,455 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-12 12:52:14,455 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-12 12:52:14,456 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_port_ctrl_req [2022-07-12 12:52:14,456 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_port_ctrl_req [2022-07-12 12:52:14,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 12:52:14,457 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_xmt_flush [2022-07-12 12:52:14,457 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_xmt_flush [2022-07-12 12:52:14,457 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 12:52:14,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 12:52:14,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 12:52:14,461 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_update_filters [2022-07-12 12:52:14,462 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_update_filters [2022-07-12 12:52:14,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 12:52:14,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 12:52:14,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-12 12:52:14,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-12 12:52:14,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 12:52:14,462 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_set_mac_address [2022-07-12 12:52:14,462 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_set_mac_address [2022-07-12 12:52:14,462 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_set_multicast_list [2022-07-12 12:52:14,462 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_set_multicast_list [2022-07-12 12:52:14,463 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_adap_state_rd [2022-07-12 12:52:14,463 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_adap_state_rd [2022-07-12 12:52:14,463 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 12:52:14,463 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 12:52:14,463 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 12:52:14,463 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 12:52:14,463 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-12 12:52:14,463 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-12 12:52:14,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 12:52:14,463 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_get_bars [2022-07-12 12:52:14,464 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_get_bars [2022-07-12 12:52:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-12 12:52:14,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-12 12:52:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 12:52:14,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 12:52:14,992 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 12:52:14,993 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 12:52:17,520 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 12:53:16,156 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 12:53:16,166 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 12:53:16,166 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 12:53:16,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:53:16 BoogieIcfgContainer [2022-07-12 12:53:16,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 12:53:16,170 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 12:53:16,170 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 12:53:16,172 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 12:53:16,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 12:52:11" (1/3) ... [2022-07-12 12:53:16,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@166e6e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:53:16, skipping insertion in model container [2022-07-12 12:53:16,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:52:13" (2/3) ... [2022-07-12 12:53:16,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@166e6e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:53:16, skipping insertion in model container [2022-07-12 12:53:16,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:53:16" (3/3) ... [2022-07-12 12:53:16,174 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 [2022-07-12 12:53:16,184 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 12:53:16,184 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 12:53:16,230 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 12:53:16,234 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@d88b1bf, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@11c75ea8 [2022-07-12 12:53:16,234 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 12:53:16,240 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) [2022-07-12 12:53:16,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-12 12:53:16,259 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:53:16,260 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] [2022-07-12 12:53:16,260 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:53:16,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:53:16,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1023729415, now seen corresponding path program 1 times [2022-07-12 12:53:16,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:53:16,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2022353858] [2022-07-12 12:53:16,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:53:16,277 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:53:16,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:53:16,280 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) [2022-07-12 12:53:16,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 12:53:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:53:17,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 12:53:17,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:53:18,179 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-12 12:53:18,180 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:53:18,180 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:53:18,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2022353858] [2022-07-12 12:53:18,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2022353858] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:53:18,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:53:18,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:53:18,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802493408] [2022-07-12 12:53:18,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:53:18,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 12:53:18,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:53:18,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 12:53:18,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 12:53:18,215 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) [2022-07-12 12:53:19,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:53:19,206 INFO L93 Difference]: Finished difference Result 3435 states and 4930 transitions. [2022-07-12 12:53:19,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 12:53:19,209 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 [2022-07-12 12:53:19,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:53:19,235 INFO L225 Difference]: With dead ends: 3435 [2022-07-12 12:53:19,235 INFO L226 Difference]: Without dead ends: 2252 [2022-07-12 12:53:19,247 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 [2022-07-12 12:53:19,250 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, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 12:53:19,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1609 Valid, 7253 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 12:53:19,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2252 states. [2022-07-12 12:53:19,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2252 to 2239. [2022-07-12 12:53:19,393 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) [2022-07-12 12:53:19,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 2239 states and 3161 transitions. [2022-07-12 12:53:19,411 INFO L78 Accepts]: Start accepts. Automaton has 2239 states and 3161 transitions. Word has length 93 [2022-07-12 12:53:19,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:53:19,411 INFO L495 AbstractCegarLoop]: Abstraction has 2239 states and 3161 transitions. [2022-07-12 12:53:19,412 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) [2022-07-12 12:53:19,412 INFO L276 IsEmpty]: Start isEmpty. Operand 2239 states and 3161 transitions. [2022-07-12 12:53:19,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-12 12:53:19,423 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:53:19,423 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] [2022-07-12 12:53:19,447 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-12 12:53:19,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:53:19,637 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:53:19,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:53:19,638 INFO L85 PathProgramCache]: Analyzing trace with hash 988225853, now seen corresponding path program 1 times [2022-07-12 12:53:19,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:53:19,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [413491748] [2022-07-12 12:53:19,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:53:19,641 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:53:19,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:53:19,643 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) [2022-07-12 12:53:19,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 12:53:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:53:20,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 12:53:20,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:53:21,382 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-12 12:53:21,382 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:53:21,382 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:53:21,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [413491748] [2022-07-12 12:53:21,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [413491748] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:53:21,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:53:21,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:53:21,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961063694] [2022-07-12 12:53:21,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:53:21,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 12:53:21,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:53:21,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 12:53:21,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 12:53:21,385 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) [2022-07-12 12:53:22,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:53:22,259 INFO L93 Difference]: Finished difference Result 6719 states and 9495 transitions. [2022-07-12 12:53:22,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 12:53:22,260 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 [2022-07-12 12:53:22,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:53:22,283 INFO L225 Difference]: With dead ends: 6719 [2022-07-12 12:53:22,283 INFO L226 Difference]: Without dead ends: 4489 [2022-07-12 12:53:22,296 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 [2022-07-12 12:53:22,297 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 [2022-07-12 12:53:22,297 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] [2022-07-12 12:53:22,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4489 states. [2022-07-12 12:53:22,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4489 to 4468. [2022-07-12 12:53:22,420 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) [2022-07-12 12:53:22,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4468 states to 4468 states and 6307 transitions. [2022-07-12 12:53:22,499 INFO L78 Accepts]: Start accepts. Automaton has 4468 states and 6307 transitions. Word has length 94 [2022-07-12 12:53:22,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:53:22,499 INFO L495 AbstractCegarLoop]: Abstraction has 4468 states and 6307 transitions. [2022-07-12 12:53:22,499 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) [2022-07-12 12:53:22,499 INFO L276 IsEmpty]: Start isEmpty. Operand 4468 states and 6307 transitions. [2022-07-12 12:53:22,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-07-12 12:53:22,507 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:53:22,507 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] [2022-07-12 12:53:22,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 12:53:22,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:53:22,719 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:53:22,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:53:22,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1343295556, now seen corresponding path program 1 times [2022-07-12 12:53:22,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:53:22,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [296656568] [2022-07-12 12:53:22,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:53:22,721 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:53:22,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:53:22,724 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) [2022-07-12 12:53:22,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 12:53:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:53:23,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 12:53:23,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:53:24,537 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-12 12:53:24,538 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:53:24,539 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:53:24,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [296656568] [2022-07-12 12:53:24,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [296656568] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:53:24,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:53:24,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:53:24,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474874070] [2022-07-12 12:53:24,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:53:24,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 12:53:24,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:53:24,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 12:53:24,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 12:53:24,544 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) [2022-07-12 12:53:25,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:53:25,557 INFO L93 Difference]: Finished difference Result 13429 states and 18971 transitions. [2022-07-12 12:53:25,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 12:53:25,558 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 [2022-07-12 12:53:25,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:53:25,616 INFO L225 Difference]: With dead ends: 13429 [2022-07-12 12:53:25,616 INFO L226 Difference]: Without dead ends: 8970 [2022-07-12 12:53:25,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-12 12:53:25,645 INFO L413 NwaCegarLoop]: 1859 mSDtfsCounter, 1576 mSDsluCounter, 5279 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1580 SdHoareTripleChecker+Valid, 7138 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-12 12:53:25,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1580 Valid, 7138 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-12 12:53:25,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8970 states. [2022-07-12 12:53:25,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8970 to 8931. [2022-07-12 12:53:25,956 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) [2022-07-12 12:53:26,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8931 states to 8931 states and 12605 transitions. [2022-07-12 12:53:26,002 INFO L78 Accepts]: Start accepts. Automaton has 8931 states and 12605 transitions. Word has length 95 [2022-07-12 12:53:26,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:53:26,003 INFO L495 AbstractCegarLoop]: Abstraction has 8931 states and 12605 transitions. [2022-07-12 12:53:26,004 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) [2022-07-12 12:53:26,004 INFO L276 IsEmpty]: Start isEmpty. Operand 8931 states and 12605 transitions. [2022-07-12 12:53:26,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-07-12 12:53:26,014 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:53:26,014 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] [2022-07-12 12:53:26,036 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 12:53:26,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:53:26,237 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:53:26,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:53:26,237 INFO L85 PathProgramCache]: Analyzing trace with hash 415212745, now seen corresponding path program 1 times [2022-07-12 12:53:26,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:53:26,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1706757263] [2022-07-12 12:53:26,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:53:26,238 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:53:26,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:53:26,240 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) [2022-07-12 12:53:26,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 12:53:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:53:27,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 12:53:27,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:53:28,086 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-12 12:53:28,087 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:53:28,087 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:53:28,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1706757263] [2022-07-12 12:53:28,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1706757263] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:53:28,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:53:28,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:53:28,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980441616] [2022-07-12 12:53:28,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:53:28,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 12:53:28,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:53:28,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 12:53:28,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 12:53:28,089 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) [2022-07-12 12:53:29,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:53:29,329 INFO L93 Difference]: Finished difference Result 26687 states and 37676 transitions. [2022-07-12 12:53:29,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 12:53:29,330 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 [2022-07-12 12:53:29,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:53:29,434 INFO L225 Difference]: With dead ends: 26687 [2022-07-12 12:53:29,434 INFO L226 Difference]: Without dead ends: 17765 [2022-07-12 12:53:29,477 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 [2022-07-12 12:53:29,478 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, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 12:53:29,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1581 Valid, 7138 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 12:53:29,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17765 states. [2022-07-12 12:53:30,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17765 to 17693. [2022-07-12 12:53:30,031 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) [2022-07-12 12:53:30,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17693 states to 17693 states and 24954 transitions. [2022-07-12 12:53:30,121 INFO L78 Accepts]: Start accepts. Automaton has 17693 states and 24954 transitions. Word has length 100 [2022-07-12 12:53:30,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:53:30,122 INFO L495 AbstractCegarLoop]: Abstraction has 17693 states and 24954 transitions. [2022-07-12 12:53:30,122 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) [2022-07-12 12:53:30,122 INFO L276 IsEmpty]: Start isEmpty. Operand 17693 states and 24954 transitions. [2022-07-12 12:53:30,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-07-12 12:53:30,129 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:53:30,130 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] [2022-07-12 12:53:30,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 12:53:30,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:53:30,345 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:53:30,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:53:30,345 INFO L85 PathProgramCache]: Analyzing trace with hash 372583021, now seen corresponding path program 1 times [2022-07-12 12:53:30,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:53:30,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1286042243] [2022-07-12 12:53:30,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:53:30,346 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:53:30,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:53:30,347 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) [2022-07-12 12:53:30,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 12:53:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:53:31,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-12 12:53:31,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:53:32,803 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-07-12 12:53:32,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 12:53:34,460 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-07-12 12:53:34,460 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:53:34,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1286042243] [2022-07-12 12:53:34,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1286042243] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 12:53:34,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 12:53:34,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 10 [2022-07-12 12:53:34,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835131088] [2022-07-12 12:53:34,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:53:34,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 12:53:34,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:53:34,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 12:53:34,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-07-12 12:53:34,462 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) [2022-07-12 12:53:36,542 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 [] [2022-07-12 12:53:38,610 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 [] [2022-07-12 12:54:10,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:54:10,682 INFO L93 Difference]: Finished difference Result 47469 states and 67417 transitions. [2022-07-12 12:54:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 12:54:10,683 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 [2022-07-12 12:54:10,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:54:10,875 INFO L225 Difference]: With dead ends: 47469 [2022-07-12 12:54:10,876 INFO L226 Difference]: Without dead ends: 29785 [2022-07-12 12:54:10,929 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 [2022-07-12 12:54:10,930 INFO L413 NwaCegarLoop]: 2732 mSDtfsCounter, 2443 mSDsluCounter, 10671 mSDsCounter, 0 mSdLazyCounter, 2039 mSolverCounterSat, 314 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.4s 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, 32.5s IncrementalHoareTripleChecker+Time [2022-07-12 12:54:10,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2450 Valid, 13403 Invalid, 2355 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [314 Valid, 2039 Invalid, 2 Unknown, 0 Unchecked, 32.5s Time] [2022-07-12 12:54:10,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29785 states. [2022-07-12 12:54:11,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29785 to 26356. [2022-07-12 12:54:11,822 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) [2022-07-12 12:54:12,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26356 states to 26356 states and 37181 transitions. [2022-07-12 12:54:12,208 INFO L78 Accepts]: Start accepts. Automaton has 26356 states and 37181 transitions. Word has length 105 [2022-07-12 12:54:12,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:54:12,210 INFO L495 AbstractCegarLoop]: Abstraction has 26356 states and 37181 transitions. [2022-07-12 12:54:12,210 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) [2022-07-12 12:54:12,210 INFO L276 IsEmpty]: Start isEmpty. Operand 26356 states and 37181 transitions. [2022-07-12 12:54:12,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-07-12 12:54:12,220 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:54:12,220 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] [2022-07-12 12:54:12,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 12:54:12,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:54:12,440 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:54:12,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:54:12,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1011345320, now seen corresponding path program 1 times [2022-07-12 12:54:12,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:54:12,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1130714985] [2022-07-12 12:54:12,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:54:12,441 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:54:12,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:54:12,445 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) [2022-07-12 12:54:12,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 12:54:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:54:13,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-12 12:54:13,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:54:15,233 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-12 12:54:15,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 12:54:17,140 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-12 12:54:17,140 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:54:17,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1130714985] [2022-07-12 12:54:17,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1130714985] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 12:54:17,140 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 12:54:17,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 11 [2022-07-12 12:54:17,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217546146] [2022-07-12 12:54:17,140 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 12:54:17,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 12:54:17,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:54:17,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 12:54:17,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-07-12 12:54:17,141 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) [2022-07-12 12:54:19,216 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 [] [2022-07-12 12:54:21,233 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:55:33,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:55:33,705 INFO L93 Difference]: Finished difference Result 60413 states and 85655 transitions. [2022-07-12 12:55:33,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-07-12 12:55:33,707 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 [2022-07-12 12:55:33,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:55:33,926 INFO L225 Difference]: With dead ends: 60413 [2022-07-12 12:55:33,927 INFO L226 Difference]: Without dead ends: 34066 [2022-07-12 12:55:34,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=240, Invalid=882, Unknown=0, NotChecked=0, Total=1122 [2022-07-12 12:55:34,052 INFO L413 NwaCegarLoop]: 3656 mSDtfsCounter, 6086 mSDsluCounter, 22824 mSDsCounter, 0 mSdLazyCounter, 5241 mSolverCounterSat, 1417 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6205 SdHoareTripleChecker+Valid, 26480 SdHoareTripleChecker+Invalid, 6660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1417 IncrementalHoareTripleChecker+Valid, 5241 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.9s IncrementalHoareTripleChecker+Time [2022-07-12 12:55:34,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6205 Valid, 26480 Invalid, 6660 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1417 Valid, 5241 Invalid, 2 Unknown, 0 Unchecked, 69.9s Time] [2022-07-12 12:55:34,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34066 states. [2022-07-12 12:55:35,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34066 to 30619. [2022-07-12 12:55:35,249 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) [2022-07-12 12:55:35,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30619 states to 30619 states and 43180 transitions. [2022-07-12 12:55:35,417 INFO L78 Accepts]: Start accepts. Automaton has 30619 states and 43180 transitions. Word has length 105 [2022-07-12 12:55:35,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:55:35,418 INFO L495 AbstractCegarLoop]: Abstraction has 30619 states and 43180 transitions. [2022-07-12 12:55:35,418 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) [2022-07-12 12:55:35,418 INFO L276 IsEmpty]: Start isEmpty. Operand 30619 states and 43180 transitions. [2022-07-12 12:55:35,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-12 12:55:35,445 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:55:35,459 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] [2022-07-12 12:55:35,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 12:55:35,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:55:35,660 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:55:35,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:55:35,661 INFO L85 PathProgramCache]: Analyzing trace with hash 515495870, now seen corresponding path program 1 times [2022-07-12 12:55:35,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:55:35,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1114227392] [2022-07-12 12:55:35,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:55:35,662 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:55:35,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:55:35,663 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) [2022-07-12 12:55:35,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 12:55:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:55:36,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-12 12:55:36,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:55:38,212 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-12 12:55:38,212 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 12:55:40,140 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-12 12:55:40,140 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:55:40,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1114227392] [2022-07-12 12:55:40,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1114227392] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 12:55:40,182 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 12:55:40,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 11 [2022-07-12 12:55:40,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008197801] [2022-07-12 12:55:40,182 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 12:55:40,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 12:55:40,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:55:40,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 12:55:40,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-07-12 12:55:40,184 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) [2022-07-12 12:55:42,251 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 [] [2022-07-12 12:55:44,267 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:55:46,280 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []