22.77/9.85 YES 22.77/9.85 22.77/9.85 Ultimate: Cannot open display: 22.77/9.85 This is Ultimate 0.1.24-8dc7c08-m 22.77/9.85 [2019-03-28 12:45:30,644 INFO L170 SettingsManager]: Resetting all preferences to default values... 22.77/9.85 [2019-03-28 12:45:30,647 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 22.77/9.85 [2019-03-28 12:45:30,658 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 22.77/9.85 [2019-03-28 12:45:30,659 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 22.77/9.85 [2019-03-28 12:45:30,660 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 22.77/9.85 [2019-03-28 12:45:30,661 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 22.77/9.85 [2019-03-28 12:45:30,663 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 22.77/9.85 [2019-03-28 12:45:30,664 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 22.77/9.85 [2019-03-28 12:45:30,665 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 22.77/9.85 [2019-03-28 12:45:30,666 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 22.77/9.85 [2019-03-28 12:45:30,666 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 22.77/9.85 [2019-03-28 12:45:30,667 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 22.77/9.85 [2019-03-28 12:45:30,668 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 22.77/9.85 [2019-03-28 12:45:30,669 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 22.77/9.85 [2019-03-28 12:45:30,670 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 22.77/9.85 [2019-03-28 12:45:30,671 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 22.77/9.85 [2019-03-28 12:45:30,673 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 22.77/9.85 [2019-03-28 12:45:30,675 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 22.77/9.85 [2019-03-28 12:45:30,676 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 22.77/9.85 [2019-03-28 12:45:30,678 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 22.77/9.85 [2019-03-28 12:45:30,679 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 22.77/9.85 [2019-03-28 12:45:30,681 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 22.77/9.85 [2019-03-28 12:45:30,681 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 22.77/9.85 [2019-03-28 12:45:30,682 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 22.77/9.85 [2019-03-28 12:45:30,682 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 22.77/9.85 [2019-03-28 12:45:30,683 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 22.77/9.85 [2019-03-28 12:45:30,684 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 22.77/9.85 [2019-03-28 12:45:30,684 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 22.77/9.85 [2019-03-28 12:45:30,685 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 22.77/9.85 [2019-03-28 12:45:30,686 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 22.77/9.85 [2019-03-28 12:45:30,686 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 22.77/9.85 [2019-03-28 12:45:30,687 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 22.77/9.85 [2019-03-28 12:45:30,687 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 22.77/9.85 [2019-03-28 12:45:30,688 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 22.77/9.85 [2019-03-28 12:45:30,688 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 22.77/9.85 [2019-03-28 12:45:30,688 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 22.77/9.85 [2019-03-28 12:45:30,689 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 22.77/9.85 [2019-03-28 12:45:30,690 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 22.77/9.85 [2019-03-28 12:45:30,690 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 22.77/9.85 [2019-03-28 12:45:30,706 INFO L110 SettingsManager]: Loading preferences was successful 22.77/9.85 [2019-03-28 12:45:30,706 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 22.77/9.85 [2019-03-28 12:45:30,707 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 22.77/9.85 [2019-03-28 12:45:30,707 INFO L133 SettingsManager]: * Rewrite not-equals=true 22.77/9.85 [2019-03-28 12:45:30,708 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 22.77/9.85 [2019-03-28 12:45:30,708 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 22.77/9.85 [2019-03-28 12:45:30,708 INFO L133 SettingsManager]: * Use SBE=true 22.77/9.85 [2019-03-28 12:45:30,708 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 22.77/9.85 [2019-03-28 12:45:30,708 INFO L133 SettingsManager]: * Use old map elimination=false 22.77/9.85 [2019-03-28 12:45:30,709 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 22.77/9.85 [2019-03-28 12:45:30,709 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 22.77/9.85 [2019-03-28 12:45:30,709 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 22.77/9.85 [2019-03-28 12:45:30,709 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 22.77/9.85 [2019-03-28 12:45:30,709 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 22.77/9.85 [2019-03-28 12:45:30,709 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 22.77/9.85 [2019-03-28 12:45:30,710 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 22.77/9.85 [2019-03-28 12:45:30,710 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 22.77/9.85 [2019-03-28 12:45:30,710 INFO L133 SettingsManager]: * Check division by zero=IGNORE 22.77/9.85 [2019-03-28 12:45:30,710 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 22.77/9.85 [2019-03-28 12:45:30,710 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 22.77/9.85 [2019-03-28 12:45:30,711 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 22.77/9.85 [2019-03-28 12:45:30,711 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 22.77/9.85 [2019-03-28 12:45:30,711 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 22.77/9.85 [2019-03-28 12:45:30,711 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 22.77/9.85 [2019-03-28 12:45:30,711 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 22.77/9.85 [2019-03-28 12:45:30,712 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 22.77/9.85 [2019-03-28 12:45:30,712 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 22.77/9.85 [2019-03-28 12:45:30,712 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 22.77/9.85 [2019-03-28 12:45:30,712 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 22.77/9.85 [2019-03-28 12:45:30,739 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 22.77/9.85 [2019-03-28 12:45:30,753 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 22.77/9.85 [2019-03-28 12:45:30,756 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 22.77/9.85 [2019-03-28 12:45:30,758 INFO L271 PluginConnector]: Initializing CDTParser... 22.77/9.85 [2019-03-28 12:45:30,758 INFO L276 PluginConnector]: CDTParser initialized 22.77/9.85 [2019-03-28 12:45:30,759 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 22.77/9.85 [2019-03-28 12:45:30,825 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/837e381190af44fdaf1af589d80a0faf/FLAGae919fd2f 22.77/9.85 !SESSION 2019-03-28 12:45:28.258 ----------------------------------------------- 22.77/9.85 eclipse.buildId=unknown 22.77/9.85 java.version=1.8.0_181 22.77/9.85 java.vendor=Oracle Corporation 22.77/9.85 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 22.77/9.85 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 22.77/9.85 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 22.77/9.85 22.77/9.85 !ENTRY org.eclipse.cdt.core 4 0 2019-03-28 12:45:31.092 22.77/9.85 !MESSAGE Error 22.77/9.85 !STACK 0 22.77/9.85 java.lang.NullPointerException 22.77/9.85 at de.uni_freiburg.informatik.ultimate.cdt.parser.UltimateCdtExternalSettingsProvider$ToolchainDependency.access$0(UltimateCdtExternalSettingsProvider.java:86) 22.77/9.85 at de.uni_freiburg.informatik.ultimate.cdt.parser.UltimateCdtExternalSettingsProvider.getSettings(UltimateCdtExternalSettingsProvider.java:67) 22.77/9.85 at org.eclipse.cdt.core.settings.model.extension.CExternalSettingProvider.getSettings(CExternalSettingProvider.java:45) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.ExtensionContainerFactory$CExtensionSettingProviderDescriptor.getContainer(ExtensionContainerFactory.java:106) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.ExtensionContainerFactory.createContainer(ExtensionContainerFactory.java:181) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager$ContainerDescriptor.(CExternalSettingsManager.java:146) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager$ContainerDescriptor.(CExternalSettingsManager.java:139) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager.checkExternalSettingsChange(CExternalSettingsManager.java:683) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager.processContainerChange(CExternalSettingsManager.java:500) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager.access$3(CExternalSettingsManager.java:493) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager$2.run(CExternalSettingsManager.java:613) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager$5.run(CProjectDescriptionManager.java:523) 22.77/9.85 at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2241) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.runAtomic(CProjectDescriptionManager.java:519) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.runWspModification(CProjectDescriptionManager.java:484) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.runWspModification(CProjectDescriptionManager.java:454) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager.handleEvent(CExternalSettingsManager.java:628) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.notifyListeners(CProjectDescriptionManager.java:2212) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.AbstractCProjectDescriptionStorage.fireLoadedEvent(AbstractCProjectDescriptionStorage.java:268) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.xml.XmlProjectDescriptionStorage.getProjectDescription(XmlProjectDescriptionStorage.java:264) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.getProjectDescriptionInternal(CProjectDescriptionManager.java:437) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.getProjectDescription(CProjectDescriptionManager.java:419) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.getProjectDescription(CProjectDescriptionManager.java:413) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.getProjectDescription(CProjectDescriptionManager.java:406) 22.77/9.85 at org.eclipse.cdt.internal.core.model.CProject.computeSourceRoots(CProject.java:584) 22.77/9.85 at org.eclipse.cdt.internal.core.model.CProject.computeChildren(CProject.java:605) 22.77/9.85 at org.eclipse.cdt.internal.core.model.CProject.buildStructure(CProject.java:569) 22.77/9.85 at org.eclipse.cdt.internal.core.model.Openable.generateInfos(Openable.java:261) 22.77/9.85 at org.eclipse.cdt.internal.core.model.CElement.openWhenClosed(CElement.java:427) 22.77/9.85 at org.eclipse.cdt.internal.core.model.CElement.getElementInfo(CElement.java:305) 22.77/9.85 at org.eclipse.cdt.internal.core.model.CElement.getElementInfo(CElement.java:295) 22.77/9.85 at org.eclipse.cdt.internal.core.model.Parent.getChildren(Parent.java:55) 22.77/9.85 at org.eclipse.cdt.internal.core.model.CElement.accept(CElement.java:524) 22.77/9.85 at org.eclipse.cdt.internal.core.pdom.indexer.PDOMRebuildTask.createDelegate(PDOMRebuildTask.java:118) 22.77/9.85 at org.eclipse.cdt.internal.core.pdom.indexer.PDOMRebuildTask.run(PDOMRebuildTask.java:78) 22.77/9.85 at org.eclipse.cdt.internal.core.pdom.PDOMIndexerJob.run(PDOMIndexerJob.java:149) 22.77/9.85 at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) 22.77/9.85 22.77/9.85 !ENTRY org.eclipse.cdt.core 4 0 2019-03-28 12:45:31.094 22.77/9.85 !MESSAGE Error: 22.77/9.85 !STACK 1 22.77/9.85 org.eclipse.core.runtime.CoreException: 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager$5.run(CProjectDescriptionManager.java:526) 22.77/9.85 at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2241) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.runAtomic(CProjectDescriptionManager.java:519) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.runWspModification(CProjectDescriptionManager.java:484) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.runWspModification(CProjectDescriptionManager.java:454) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager.handleEvent(CExternalSettingsManager.java:628) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.notifyListeners(CProjectDescriptionManager.java:2212) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.AbstractCProjectDescriptionStorage.fireLoadedEvent(AbstractCProjectDescriptionStorage.java:268) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.xml.XmlProjectDescriptionStorage.getProjectDescription(XmlProjectDescriptionStorage.java:264) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.getProjectDescriptionInternal(CProjectDescriptionManager.java:437) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.getProjectDescription(CProjectDescriptionManager.java:419) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.getProjectDescription(CProjectDescriptionManager.java:413) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.getProjectDescription(CProjectDescriptionManager.java:406) 22.77/9.85 at org.eclipse.cdt.internal.core.model.CProject.computeSourceRoots(CProject.java:584) 22.77/9.85 at org.eclipse.cdt.internal.core.model.CProject.computeChildren(CProject.java:605) 22.77/9.85 at org.eclipse.cdt.internal.core.model.CProject.buildStructure(CProject.java:569) 22.77/9.85 at org.eclipse.cdt.internal.core.model.Openable.generateInfos(Openable.java:261) 22.77/9.85 at org.eclipse.cdt.internal.core.model.CElement.openWhenClosed(CElement.java:427) 22.77/9.85 at org.eclipse.cdt.internal.core.model.CElement.getElementInfo(CElement.java:305) 22.77/9.85 at org.eclipse.cdt.internal.core.model.CElement.getElementInfo(CElement.java:295) 22.77/9.85 at org.eclipse.cdt.internal.core.model.Parent.getChildren(Parent.java:55) 22.77/9.85 at org.eclipse.cdt.internal.core.model.CElement.accept(CElement.java:524) 22.77/9.85 at org.eclipse.cdt.internal.core.pdom.indexer.PDOMRebuildTask.createDelegate(PDOMRebuildTask.java:118) 22.77/9.85 at org.eclipse.cdt.internal.core.pdom.indexer.PDOMRebuildTask.run(PDOMRebuildTask.java:78) 22.77/9.85 at org.eclipse.cdt.internal.core.pdom.PDOMIndexerJob.run(PDOMIndexerJob.java:149) 22.77/9.85 at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) 22.77/9.85 Caused by: java.lang.NullPointerException 22.77/9.85 at de.uni_freiburg.informatik.ultimate.cdt.parser.UltimateCdtExternalSettingsProvider$ToolchainDependency.access$0(UltimateCdtExternalSettingsProvider.java:86) 22.77/9.85 at de.uni_freiburg.informatik.ultimate.cdt.parser.UltimateCdtExternalSettingsProvider.getSettings(UltimateCdtExternalSettingsProvider.java:67) 22.77/9.85 at org.eclipse.cdt.core.settings.model.extension.CExternalSettingProvider.getSettings(CExternalSettingProvider.java:45) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.ExtensionContainerFactory$CExtensionSettingProviderDescriptor.getContainer(ExtensionContainerFactory.java:106) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.ExtensionContainerFactory.createContainer(ExtensionContainerFactory.java:181) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager$ContainerDescriptor.(CExternalSettingsManager.java:146) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager$ContainerDescriptor.(CExternalSettingsManager.java:139) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager.checkExternalSettingsChange(CExternalSettingsManager.java:683) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager.processContainerChange(CExternalSettingsManager.java:500) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager.access$3(CExternalSettingsManager.java:493) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager$2.run(CExternalSettingsManager.java:613) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager$5.run(CProjectDescriptionManager.java:523) 22.77/9.85 ... 25 more 22.77/9.85 !SUBENTRY 1 org.eclipse.cdt.core 4 0 2019-03-28 12:45:31.095 22.77/9.85 !MESSAGE 22.77/9.85 !STACK 0 22.77/9.85 java.lang.NullPointerException 22.77/9.85 at de.uni_freiburg.informatik.ultimate.cdt.parser.UltimateCdtExternalSettingsProvider$ToolchainDependency.access$0(UltimateCdtExternalSettingsProvider.java:86) 22.77/9.85 at de.uni_freiburg.informatik.ultimate.cdt.parser.UltimateCdtExternalSettingsProvider.getSettings(UltimateCdtExternalSettingsProvider.java:67) 22.77/9.85 at org.eclipse.cdt.core.settings.model.extension.CExternalSettingProvider.getSettings(CExternalSettingProvider.java:45) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.ExtensionContainerFactory$CExtensionSettingProviderDescriptor.getContainer(ExtensionContainerFactory.java:106) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.ExtensionContainerFactory.createContainer(ExtensionContainerFactory.java:181) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager$ContainerDescriptor.(CExternalSettingsManager.java:146) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager$ContainerDescriptor.(CExternalSettingsManager.java:139) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager.checkExternalSettingsChange(CExternalSettingsManager.java:683) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager.processContainerChange(CExternalSettingsManager.java:500) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager.access$3(CExternalSettingsManager.java:493) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager$2.run(CExternalSettingsManager.java:613) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager$5.run(CProjectDescriptionManager.java:523) 22.77/9.85 at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2241) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.runAtomic(CProjectDescriptionManager.java:519) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.runWspModification(CProjectDescriptionManager.java:484) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.runWspModification(CProjectDescriptionManager.java:454) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager.handleEvent(CExternalSettingsManager.java:628) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.notifyListeners(CProjectDescriptionManager.java:2212) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.AbstractCProjectDescriptionStorage.fireLoadedEvent(AbstractCProjectDescriptionStorage.java:268) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.xml.XmlProjectDescriptionStorage.getProjectDescription(XmlProjectDescriptionStorage.java:264) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.getProjectDescriptionInternal(CProjectDescriptionManager.java:437) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.getProjectDescription(CProjectDescriptionManager.java:419) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.getProjectDescription(CProjectDescriptionManager.java:413) 22.77/9.85 at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.getProjectDescription(CProjectDescriptionManager.java:406) 22.77/9.85 at org.eclipse.cdt.internal.core.model.CProject.computeSourceRoots(CProject.java:584) 22.77/9.85 at org.eclipse.cdt.internal.core.model.CProject.computeChildren(CProject.java:605) 22.77/9.85 at org.eclipse.cdt.internal.core.model.CProject.buildStructure(CProject.java:569) 22.77/9.85 at org.eclipse.cdt.internal.core.model.Openable.generateInfos(Openable.java:261) 22.77/9.85 at org.eclipse.cdt.internal.core.model.CElement.openWhenClosed(CElement.java:427) 22.77/9.85 at org.eclipse.cdt.internal.core.model.CElement.getElementInfo(CElement.java:305) 22.77/9.85 at org.eclipse.cdt.internal.core.model.CElement.getElementInfo(CElement.java:295) 22.77/9.85 at org.eclipse.cdt.internal.core.model.Parent.getChildren(Parent.java:55) 22.77/9.85 at org.eclipse.cdt.internal.core.model.CElement.accept(CElement.java:524) 22.77/9.85 at org.eclipse.cdt.internal.core.pdom.indexer.PDOMRebuildTask.createDelegate(PDOMRebuildTask.java:118) 22.77/9.85 at org.eclipse.cdt.internal.core.pdom.indexer.PDOMRebuildTask.run(PDOMRebuildTask.java:78) 22.77/9.85 at org.eclipse.cdt.internal.core.pdom.PDOMIndexerJob.run(PDOMIndexerJob.java:149) 22.77/9.85 at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) 22.77/9.85 [2019-03-28 12:45:31,199 INFO L307 CDTParser]: Found 1 translation units. 22.77/9.85 [2019-03-28 12:45:31,200 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 22.77/9.85 [2019-03-28 12:45:31,201 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. 22.77/9.85 [2019-03-28 12:45:31,208 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/837e381190af44fdaf1af589d80a0faf/FLAGae919fd2f 22.77/9.85 [2019-03-28 12:45:31,631 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/837e381190af44fdaf1af589d80a0faf 22.77/9.85 [2019-03-28 12:45:31,642 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 22.77/9.85 [2019-03-28 12:45:31,644 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 22.77/9.85 [2019-03-28 12:45:31,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 22.77/9.85 [2019-03-28 12:45:31,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 22.77/9.85 [2019-03-28 12:45:31,649 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 22.77/9.85 [2019-03-28 12:45:31,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:45:31" (1/1) ... 22.77/9.85 [2019-03-28 12:45:31,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@495dc059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:45:31, skipping insertion in model container 22.77/9.85 [2019-03-28 12:45:31,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:45:31" (1/1) ... 22.77/9.85 [2019-03-28 12:45:31,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 22.77/9.85 [2019-03-28 12:45:31,677 INFO L176 MainTranslator]: Built tables and reachable declarations 22.77/9.85 [2019-03-28 12:45:31,846 INFO L206 PostProcessor]: Analyzing one entry point: main 22.77/9.85 [2019-03-28 12:45:31,858 INFO L191 MainTranslator]: Completed pre-run 22.77/9.85 [2019-03-28 12:45:31,940 INFO L206 PostProcessor]: Analyzing one entry point: main 22.77/9.85 [2019-03-28 12:45:31,958 INFO L195 MainTranslator]: Completed translation 22.77/9.85 [2019-03-28 12:45:31,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:45:31 WrapperNode 22.77/9.85 [2019-03-28 12:45:31,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 22.77/9.85 [2019-03-28 12:45:31,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 22.77/9.85 [2019-03-28 12:45:31,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 22.77/9.85 [2019-03-28 12:45:31,960 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 22.77/9.85 [2019-03-28 12:45:31,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:45:31" (1/1) ... 22.77/9.85 [2019-03-28 12:45:31,980 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:45:31" (1/1) ... 22.77/9.85 [2019-03-28 12:45:32,002 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 22.77/9.85 [2019-03-28 12:45:32,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 22.77/9.85 [2019-03-28 12:45:32,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 22.77/9.85 [2019-03-28 12:45:32,003 INFO L276 PluginConnector]: Boogie Preprocessor initialized 22.77/9.85 [2019-03-28 12:45:32,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:45:31" (1/1) ... 22.77/9.85 [2019-03-28 12:45:32,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:45:31" (1/1) ... 22.77/9.85 [2019-03-28 12:45:32,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:45:31" (1/1) ... 22.77/9.85 [2019-03-28 12:45:32,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:45:31" (1/1) ... 22.77/9.85 [2019-03-28 12:45:32,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:45:31" (1/1) ... 22.77/9.85 [2019-03-28 12:45:32,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:45:31" (1/1) ... 22.77/9.85 [2019-03-28 12:45:32,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:45:31" (1/1) ... 22.77/9.85 [2019-03-28 12:45:32,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 22.77/9.85 [2019-03-28 12:45:32,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 22.77/9.85 [2019-03-28 12:45:32,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... 22.77/9.85 [2019-03-28 12:45:32,031 INFO L276 PluginConnector]: RCFGBuilder initialized 22.77/9.85 [2019-03-28 12:45:32,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:45:31" (1/1) ... 22.77/9.85 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 22.77/9.85 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 22.77/9.85 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 22.77/9.85 [2019-03-28 12:45:32,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int 22.77/9.85 [2019-03-28 12:45:32,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 22.77/9.85 [2019-03-28 12:45:32,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 22.77/9.85 [2019-03-28 12:45:32,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int 22.77/9.85 [2019-03-28 12:45:32,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack 22.77/9.85 [2019-03-28 12:45:32,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc 22.77/9.85 [2019-03-28 12:45:32,297 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 22.77/9.85 [2019-03-28 12:45:32,298 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. 22.77/9.85 [2019-03-28 12:45:32,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:45:32 BoogieIcfgContainer 22.77/9.85 [2019-03-28 12:45:32,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 22.77/9.85 [2019-03-28 12:45:32,301 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 22.77/9.85 [2019-03-28 12:45:32,301 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 22.77/9.85 [2019-03-28 12:45:32,303 INFO L276 PluginConnector]: BlockEncodingV2 initialized 22.77/9.85 [2019-03-28 12:45:32,304 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:45:32" (1/1) ... 22.77/9.85 [2019-03-28 12:45:32,321 INFO L313 BlockEncoder]: Initial Icfg 19 locations, 21 edges 22.77/9.85 [2019-03-28 12:45:32,323 INFO L258 BlockEncoder]: Using Remove infeasible edges 22.77/9.85 [2019-03-28 12:45:32,323 INFO L263 BlockEncoder]: Using Maximize final states 22.77/9.85 [2019-03-28 12:45:32,324 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 22.77/9.85 [2019-03-28 12:45:32,324 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 22.77/9.85 [2019-03-28 12:45:32,326 INFO L296 BlockEncoder]: Using Remove sink states 22.77/9.85 [2019-03-28 12:45:32,327 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 22.77/9.85 [2019-03-28 12:45:32,327 INFO L179 BlockEncoder]: Using Rewrite not-equals 22.77/9.85 [2019-03-28 12:45:32,347 INFO L185 BlockEncoder]: Using Use SBE 22.77/9.85 [2019-03-28 12:45:32,371 INFO L200 BlockEncoder]: SBE split 9 edges 22.77/9.85 [2019-03-28 12:45:32,376 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 22.77/9.85 [2019-03-28 12:45:32,378 INFO L71 MaximizeFinalStates]: 0 new accepting states 22.77/9.85 [2019-03-28 12:45:32,396 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 22.77/9.85 [2019-03-28 12:45:32,399 INFO L70 RemoveSinkStates]: Removed 7 edges and 3 locations by removing sink states 22.77/9.85 [2019-03-28 12:45:32,401 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 22.77/9.85 [2019-03-28 12:45:32,401 INFO L71 MaximizeFinalStates]: 0 new accepting states 22.77/9.85 [2019-03-28 12:45:32,402 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 22.77/9.85 [2019-03-28 12:45:32,402 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 22.77/9.85 [2019-03-28 12:45:32,403 INFO L313 BlockEncoder]: Encoded RCFG 13 locations, 21 edges 22.77/9.85 [2019-03-28 12:45:32,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:45:32 BasicIcfg 22.77/9.85 [2019-03-28 12:45:32,403 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 22.77/9.85 [2019-03-28 12:45:32,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 22.77/9.85 [2019-03-28 12:45:32,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... 22.77/9.85 [2019-03-28 12:45:32,408 INFO L276 PluginConnector]: TraceAbstraction initialized 22.77/9.85 [2019-03-28 12:45:32,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:45:31" (1/4) ... 22.77/9.85 [2019-03-28 12:45:32,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a2d43a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:45:32, skipping insertion in model container 22.77/9.85 [2019-03-28 12:45:32,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:45:31" (2/4) ... 22.77/9.85 [2019-03-28 12:45:32,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a2d43a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:45:32, skipping insertion in model container 22.77/9.85 [2019-03-28 12:45:32,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:45:32" (3/4) ... 22.77/9.85 [2019-03-28 12:45:32,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a2d43a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:45:32, skipping insertion in model container 22.77/9.85 [2019-03-28 12:45:32,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:45:32" (4/4) ... 22.77/9.85 [2019-03-28 12:45:32,412 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 22.77/9.85 [2019-03-28 12:45:32,425 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 22.77/9.85 [2019-03-28 12:45:32,435 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. 22.77/9.85 [2019-03-28 12:45:32,453 INFO L257 AbstractCegarLoop]: Starting to check reachability of 5 error locations. 22.77/9.85 [2019-03-28 12:45:32,485 INFO L133 ementStrategyFactory]: Using default assertion order modulation 22.77/9.85 [2019-03-28 12:45:32,485 INFO L382 AbstractCegarLoop]: Interprodecural is true 22.77/9.85 [2019-03-28 12:45:32,486 INFO L383 AbstractCegarLoop]: Hoare is true 22.77/9.85 [2019-03-28 12:45:32,486 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 22.77/9.85 [2019-03-28 12:45:32,486 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 22.77/9.85 [2019-03-28 12:45:32,486 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 22.77/9.85 [2019-03-28 12:45:32,486 INFO L387 AbstractCegarLoop]: Difference is false 22.77/9.85 [2019-03-28 12:45:32,486 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 22.77/9.85 [2019-03-28 12:45:32,487 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 22.77/9.85 [2019-03-28 12:45:32,502 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. 22.77/9.85 [2019-03-28 12:45:32,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 22.77/9.85 [2019-03-28 12:45:32,508 INFO L394 BasicCegarLoop]: Found error trace 22.77/9.85 [2019-03-28 12:45:32,509 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] 22.77/9.85 [2019-03-28 12:45:32,511 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONILLEGAL_POINTER_ARITHMETIC, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION]=== 22.77/9.85 [2019-03-28 12:45:32,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 22.77/9.85 [2019-03-28 12:45:32,517 INFO L82 PathProgramCache]: Analyzing trace with hash 3603045, now seen corresponding path program 1 times 22.77/9.85 [2019-03-28 12:45:32,519 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 22.77/9.85 [2019-03-28 12:45:32,519 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 22.77/9.85 [2019-03-28 12:45:32,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:32,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:32,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 22.77/9.85 [2019-03-28 12:45:32,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 22.77/9.85 [2019-03-28 12:45:32,679 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 22.77/9.85 [2019-03-28 12:45:32,679 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 22.77/9.85 [2019-03-28 12:45:32,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states 22.77/9.85 [2019-03-28 12:45:32,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 22.77/9.85 [2019-03-28 12:45:32,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 22.77/9.85 [2019-03-28 12:45:32,701 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 3 states. 22.77/9.85 [2019-03-28 12:45:32,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 22.77/9.85 [2019-03-28 12:45:32,771 INFO L93 Difference]: Finished difference Result 13 states and 21 transitions. 22.77/9.85 [2019-03-28 12:45:32,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 22.77/9.85 [2019-03-28 12:45:32,774 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 22.77/9.85 [2019-03-28 12:45:32,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 22.77/9.85 [2019-03-28 12:45:32,787 INFO L225 Difference]: With dead ends: 13 22.77/9.85 [2019-03-28 12:45:32,787 INFO L226 Difference]: Without dead ends: 12 22.77/9.85 [2019-03-28 12:45:32,791 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 22.77/9.85 [2019-03-28 12:45:32,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. 22.77/9.85 [2019-03-28 12:45:32,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. 22.77/9.85 [2019-03-28 12:45:32,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. 22.77/9.85 [2019-03-28 12:45:32,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 19 transitions. 22.77/9.85 [2019-03-28 12:45:32,827 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 19 transitions. Word has length 4 22.77/9.85 [2019-03-28 12:45:32,827 INFO L84 Accepts]: Finished accepts. word is rejected. 22.77/9.85 [2019-03-28 12:45:32,827 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 19 transitions. 22.77/9.85 [2019-03-28 12:45:32,827 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. 22.77/9.85 [2019-03-28 12:45:32,828 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. 22.77/9.85 [2019-03-28 12:45:32,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 22.77/9.85 [2019-03-28 12:45:32,828 INFO L394 BasicCegarLoop]: Found error trace 22.77/9.85 [2019-03-28 12:45:32,828 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] 22.77/9.85 [2019-03-28 12:45:32,829 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONILLEGAL_POINTER_ARITHMETIC, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION]=== 22.77/9.85 [2019-03-28 12:45:32,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 22.77/9.85 [2019-03-28 12:45:32,829 INFO L82 PathProgramCache]: Analyzing trace with hash 3603047, now seen corresponding path program 1 times 22.77/9.85 [2019-03-28 12:45:32,829 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 22.77/9.85 [2019-03-28 12:45:32,829 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 22.77/9.85 [2019-03-28 12:45:32,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:32,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:32,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 22.77/9.85 [2019-03-28 12:45:32,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 22.77/9.85 [2019-03-28 12:45:32,862 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 22.77/9.85 [2019-03-28 12:45:32,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 22.77/9.85 [2019-03-28 12:45:32,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states 22.77/9.85 [2019-03-28 12:45:32,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. 22.77/9.85 [2019-03-28 12:45:32,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 22.77/9.85 [2019-03-28 12:45:32,865 INFO L87 Difference]: Start difference. First operand 12 states and 19 transitions. Second operand 4 states. 22.77/9.85 [2019-03-28 12:45:32,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 22.77/9.85 [2019-03-28 12:45:32,903 INFO L93 Difference]: Finished difference Result 13 states and 19 transitions. 22.77/9.85 [2019-03-28 12:45:32,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 22.77/9.85 [2019-03-28 12:45:32,904 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 22.77/9.85 [2019-03-28 12:45:32,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 22.77/9.85 [2019-03-28 12:45:32,904 INFO L225 Difference]: With dead ends: 13 22.77/9.85 [2019-03-28 12:45:32,905 INFO L226 Difference]: Without dead ends: 12 22.77/9.85 [2019-03-28 12:45:32,906 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 22.77/9.85 [2019-03-28 12:45:32,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. 22.77/9.85 [2019-03-28 12:45:32,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. 22.77/9.85 [2019-03-28 12:45:32,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. 22.77/9.85 [2019-03-28 12:45:32,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 18 transitions. 22.77/9.85 [2019-03-28 12:45:32,909 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 18 transitions. Word has length 4 22.77/9.85 [2019-03-28 12:45:32,909 INFO L84 Accepts]: Finished accepts. word is rejected. 22.77/9.85 [2019-03-28 12:45:32,909 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 18 transitions. 22.77/9.85 [2019-03-28 12:45:32,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. 22.77/9.85 [2019-03-28 12:45:32,910 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. 22.77/9.85 [2019-03-28 12:45:32,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 22.77/9.85 [2019-03-28 12:45:32,910 INFO L394 BasicCegarLoop]: Found error trace 22.77/9.85 [2019-03-28 12:45:32,910 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] 22.77/9.85 [2019-03-28 12:45:32,910 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONILLEGAL_POINTER_ARITHMETIC, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION]=== 22.77/9.85 [2019-03-28 12:45:32,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 22.77/9.85 [2019-03-28 12:45:32,911 INFO L82 PathProgramCache]: Analyzing trace with hash 3603048, now seen corresponding path program 1 times 22.77/9.85 [2019-03-28 12:45:32,911 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 22.77/9.85 [2019-03-28 12:45:32,911 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 22.77/9.85 [2019-03-28 12:45:32,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:32,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:32,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 22.77/9.85 [2019-03-28 12:45:32,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 22.77/9.85 [2019-03-28 12:45:32,939 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 22.77/9.85 [2019-03-28 12:45:32,939 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 22.77/9.85 [2019-03-28 12:45:32,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states 22.77/9.85 [2019-03-28 12:45:32,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 22.77/9.85 [2019-03-28 12:45:32,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 22.77/9.85 [2019-03-28 12:45:32,940 INFO L87 Difference]: Start difference. First operand 12 states and 18 transitions. Second operand 3 states. 22.77/9.85 [2019-03-28 12:45:32,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 22.77/9.85 [2019-03-28 12:45:32,975 INFO L93 Difference]: Finished difference Result 12 states and 18 transitions. 22.77/9.85 [2019-03-28 12:45:32,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 22.77/9.85 [2019-03-28 12:45:32,976 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 22.77/9.85 [2019-03-28 12:45:32,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 22.77/9.85 [2019-03-28 12:45:32,976 INFO L225 Difference]: With dead ends: 12 22.77/9.85 [2019-03-28 12:45:32,977 INFO L226 Difference]: Without dead ends: 11 22.77/9.85 [2019-03-28 12:45:32,977 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 22.77/9.85 [2019-03-28 12:45:32,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. 22.77/9.85 [2019-03-28 12:45:32,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. 22.77/9.85 [2019-03-28 12:45:32,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. 22.77/9.85 [2019-03-28 12:45:32,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 17 transitions. 22.77/9.85 [2019-03-28 12:45:32,980 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 17 transitions. Word has length 4 22.77/9.85 [2019-03-28 12:45:32,980 INFO L84 Accepts]: Finished accepts. word is rejected. 22.77/9.85 [2019-03-28 12:45:32,980 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 17 transitions. 22.77/9.85 [2019-03-28 12:45:32,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. 22.77/9.85 [2019-03-28 12:45:32,981 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 17 transitions. 22.77/9.85 [2019-03-28 12:45:32,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 22.77/9.85 [2019-03-28 12:45:32,981 INFO L394 BasicCegarLoop]: Found error trace 22.77/9.85 [2019-03-28 12:45:32,981 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] 22.77/9.85 [2019-03-28 12:45:32,982 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONILLEGAL_POINTER_ARITHMETIC, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION]=== 22.77/9.85 [2019-03-28 12:45:32,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 22.77/9.85 [2019-03-28 12:45:32,982 INFO L82 PathProgramCache]: Analyzing trace with hash 111695058, now seen corresponding path program 1 times 22.77/9.85 [2019-03-28 12:45:32,982 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 22.77/9.85 [2019-03-28 12:45:32,982 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 22.77/9.85 [2019-03-28 12:45:32,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:32,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:32,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 22.77/9.85 [2019-03-28 12:45:33,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 22.77/9.85 [2019-03-28 12:45:33,015 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 22.77/9.85 [2019-03-28 12:45:33,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 22.77/9.85 [2019-03-28 12:45:33,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states 22.77/9.85 [2019-03-28 12:45:33,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 22.77/9.85 [2019-03-28 12:45:33,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 22.77/9.85 [2019-03-28 12:45:33,017 INFO L87 Difference]: Start difference. First operand 11 states and 17 transitions. Second operand 3 states. 22.77/9.85 [2019-03-28 12:45:33,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 22.77/9.85 [2019-03-28 12:45:33,042 INFO L93 Difference]: Finished difference Result 11 states and 17 transitions. 22.77/9.85 [2019-03-28 12:45:33,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 22.77/9.85 [2019-03-28 12:45:33,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 22.77/9.85 [2019-03-28 12:45:33,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 22.77/9.85 [2019-03-28 12:45:33,064 INFO L225 Difference]: With dead ends: 11 22.77/9.85 [2019-03-28 12:45:33,064 INFO L226 Difference]: Without dead ends: 10 22.77/9.85 [2019-03-28 12:45:33,064 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 22.77/9.85 [2019-03-28 12:45:33,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. 22.77/9.85 [2019-03-28 12:45:33,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. 22.77/9.85 [2019-03-28 12:45:33,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. 22.77/9.85 [2019-03-28 12:45:33,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 15 transitions. 22.77/9.85 [2019-03-28 12:45:33,067 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 15 transitions. Word has length 5 22.77/9.85 [2019-03-28 12:45:33,067 INFO L84 Accepts]: Finished accepts. word is rejected. 22.77/9.85 [2019-03-28 12:45:33,067 INFO L480 AbstractCegarLoop]: Abstraction has 10 states and 15 transitions. 22.77/9.85 [2019-03-28 12:45:33,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. 22.77/9.85 [2019-03-28 12:45:33,068 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 15 transitions. 22.77/9.85 [2019-03-28 12:45:33,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 22.77/9.85 [2019-03-28 12:45:33,068 INFO L394 BasicCegarLoop]: Found error trace 22.77/9.85 [2019-03-28 12:45:33,068 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] 22.77/9.85 [2019-03-28 12:45:33,069 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONILLEGAL_POINTER_ARITHMETIC, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION]=== 22.77/9.85 [2019-03-28 12:45:33,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 22.77/9.85 [2019-03-28 12:45:33,069 INFO L82 PathProgramCache]: Analyzing trace with hash 111695060, now seen corresponding path program 1 times 22.77/9.85 [2019-03-28 12:45:33,069 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 22.77/9.85 [2019-03-28 12:45:33,069 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 22.77/9.85 [2019-03-28 12:45:33,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:33,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:33,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 22.77/9.85 [2019-03-28 12:45:33,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 22.77/9.85 [2019-03-28 12:45:33,105 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 22.77/9.85 [2019-03-28 12:45:33,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 22.77/9.85 [2019-03-28 12:45:33,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states 22.77/9.85 [2019-03-28 12:45:33,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. 22.77/9.85 [2019-03-28 12:45:33,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 22.77/9.85 [2019-03-28 12:45:33,106 INFO L87 Difference]: Start difference. First operand 10 states and 15 transitions. Second operand 4 states. 22.77/9.85 [2019-03-28 12:45:33,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 22.77/9.85 [2019-03-28 12:45:33,157 INFO L93 Difference]: Finished difference Result 17 states and 24 transitions. 22.77/9.85 [2019-03-28 12:45:33,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 22.77/9.85 [2019-03-28 12:45:33,157 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 22.77/9.85 [2019-03-28 12:45:33,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 22.77/9.85 [2019-03-28 12:45:33,158 INFO L225 Difference]: With dead ends: 17 22.77/9.85 [2019-03-28 12:45:33,158 INFO L226 Difference]: Without dead ends: 16 22.77/9.85 [2019-03-28 12:45:33,159 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 22.77/9.85 [2019-03-28 12:45:33,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. 22.77/9.85 [2019-03-28 12:45:33,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 11. 22.77/9.85 [2019-03-28 12:45:33,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. 22.77/9.85 [2019-03-28 12:45:33,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 17 transitions. 22.77/9.85 [2019-03-28 12:45:33,163 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 17 transitions. Word has length 5 22.77/9.85 [2019-03-28 12:45:33,163 INFO L84 Accepts]: Finished accepts. word is rejected. 22.77/9.85 [2019-03-28 12:45:33,163 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 17 transitions. 22.77/9.85 [2019-03-28 12:45:33,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. 22.77/9.85 [2019-03-28 12:45:33,163 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 17 transitions. 22.77/9.85 [2019-03-28 12:45:33,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 22.77/9.85 [2019-03-28 12:45:33,164 INFO L394 BasicCegarLoop]: Found error trace 22.77/9.85 [2019-03-28 12:45:33,164 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] 22.77/9.85 [2019-03-28 12:45:33,164 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONILLEGAL_POINTER_ARITHMETIC, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION]=== 22.77/9.85 [2019-03-28 12:45:33,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 22.77/9.85 [2019-03-28 12:45:33,165 INFO L82 PathProgramCache]: Analyzing trace with hash 111695061, now seen corresponding path program 1 times 22.77/9.85 [2019-03-28 12:45:33,165 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 22.77/9.85 [2019-03-28 12:45:33,165 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 22.77/9.85 [2019-03-28 12:45:33,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:33,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:33,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 22.77/9.85 [2019-03-28 12:45:33,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 22.77/9.85 [2019-03-28 12:45:33,223 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 22.77/9.85 [2019-03-28 12:45:33,223 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 22.77/9.85 [2019-03-28 12:45:33,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states 22.77/9.85 [2019-03-28 12:45:33,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. 22.77/9.85 [2019-03-28 12:45:33,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 22.77/9.85 [2019-03-28 12:45:33,224 INFO L87 Difference]: Start difference. First operand 11 states and 17 transitions. Second operand 5 states. 22.77/9.85 [2019-03-28 12:45:33,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 22.77/9.85 [2019-03-28 12:45:33,310 INFO L93 Difference]: Finished difference Result 16 states and 23 transitions. 22.77/9.85 [2019-03-28 12:45:33,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 22.77/9.85 [2019-03-28 12:45:33,312 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 5 22.77/9.85 [2019-03-28 12:45:33,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 22.77/9.85 [2019-03-28 12:45:33,312 INFO L225 Difference]: With dead ends: 16 22.77/9.85 [2019-03-28 12:45:33,312 INFO L226 Difference]: Without dead ends: 15 22.77/9.85 [2019-03-28 12:45:33,313 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 22.77/9.85 [2019-03-28 12:45:33,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. 22.77/9.85 [2019-03-28 12:45:33,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 11. 22.77/9.85 [2019-03-28 12:45:33,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. 22.77/9.85 [2019-03-28 12:45:33,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. 22.77/9.85 [2019-03-28 12:45:33,317 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 16 transitions. Word has length 5 22.77/9.85 [2019-03-28 12:45:33,317 INFO L84 Accepts]: Finished accepts. word is rejected. 22.77/9.85 [2019-03-28 12:45:33,317 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 16 transitions. 22.77/9.85 [2019-03-28 12:45:33,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. 22.77/9.85 [2019-03-28 12:45:33,318 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. 22.77/9.85 [2019-03-28 12:45:33,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 22.77/9.85 [2019-03-28 12:45:33,318 INFO L394 BasicCegarLoop]: Found error trace 22.77/9.85 [2019-03-28 12:45:33,319 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] 22.77/9.85 [2019-03-28 12:45:33,319 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONILLEGAL_POINTER_ARITHMETIC, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION]=== 22.77/9.85 [2019-03-28 12:45:33,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 22.77/9.85 [2019-03-28 12:45:33,319 INFO L82 PathProgramCache]: Analyzing trace with hash -35259792, now seen corresponding path program 1 times 22.77/9.85 [2019-03-28 12:45:33,319 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 22.77/9.85 [2019-03-28 12:45:33,320 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 22.77/9.85 [2019-03-28 12:45:33,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:33,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:33,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 22.77/9.85 [2019-03-28 12:45:33,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 22.77/9.85 [2019-03-28 12:45:33,345 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 22.77/9.85 [2019-03-28 12:45:33,345 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 22.77/9.85 [2019-03-28 12:45:33,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states 22.77/9.85 [2019-03-28 12:45:33,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 22.77/9.85 [2019-03-28 12:45:33,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 22.77/9.85 [2019-03-28 12:45:33,346 INFO L87 Difference]: Start difference. First operand 11 states and 16 transitions. Second operand 3 states. 22.77/9.85 [2019-03-28 12:45:33,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 22.77/9.85 [2019-03-28 12:45:33,364 INFO L93 Difference]: Finished difference Result 11 states and 16 transitions. 22.77/9.85 [2019-03-28 12:45:33,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 22.77/9.85 [2019-03-28 12:45:33,365 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 22.77/9.85 [2019-03-28 12:45:33,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 22.77/9.85 [2019-03-28 12:45:33,366 INFO L225 Difference]: With dead ends: 11 22.77/9.85 [2019-03-28 12:45:33,366 INFO L226 Difference]: Without dead ends: 9 22.77/9.85 [2019-03-28 12:45:33,366 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 22.77/9.85 [2019-03-28 12:45:33,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. 22.77/9.85 [2019-03-28 12:45:33,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. 22.77/9.85 [2019-03-28 12:45:33,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. 22.77/9.85 [2019-03-28 12:45:33,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 13 transitions. 22.77/9.85 [2019-03-28 12:45:33,369 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 13 transitions. Word has length 7 22.77/9.85 [2019-03-28 12:45:33,369 INFO L84 Accepts]: Finished accepts. word is rejected. 22.77/9.85 [2019-03-28 12:45:33,369 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 13 transitions. 22.77/9.85 [2019-03-28 12:45:33,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. 22.77/9.85 [2019-03-28 12:45:33,369 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 13 transitions. 22.77/9.85 [2019-03-28 12:45:33,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 22.77/9.85 [2019-03-28 12:45:33,370 INFO L394 BasicCegarLoop]: Found error trace 22.77/9.85 [2019-03-28 12:45:33,370 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] 22.77/9.85 [2019-03-28 12:45:33,370 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONILLEGAL_POINTER_ARITHMETIC, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION]=== 22.77/9.85 [2019-03-28 12:45:33,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 22.77/9.85 [2019-03-28 12:45:33,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1093028459, now seen corresponding path program 1 times 22.77/9.85 [2019-03-28 12:45:33,371 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 22.77/9.85 [2019-03-28 12:45:33,371 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 22.77/9.85 [2019-03-28 12:45:33,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:33,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:33,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 22.77/9.85 [2019-03-28 12:45:33,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 22.77/9.85 [2019-03-28 12:45:33,411 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. 22.77/9.85 [2019-03-28 12:45:33,411 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 22.77/9.85 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 22.77/9.85 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) 22.77/9.85 Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 22.77/9.85 [2019-03-28 12:45:33,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 22.77/9.85 [2019-03-28 12:45:33,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core 22.77/9.85 [2019-03-28 12:45:33,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... 22.77/9.85 [2019-03-28 12:45:33,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 22.77/9.85 [2019-03-28 12:45:33,499 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. 22.77/9.85 [2019-03-28 12:45:33,500 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 22.77/9.85 [2019-03-28 12:45:33,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states 22.77/9.85 [2019-03-28 12:45:33,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. 22.77/9.85 [2019-03-28 12:45:33,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 22.77/9.85 [2019-03-28 12:45:33,501 INFO L87 Difference]: Start difference. First operand 9 states and 13 transitions. Second operand 6 states. 22.77/9.85 [2019-03-28 12:45:33,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 22.77/9.85 [2019-03-28 12:45:33,560 INFO L93 Difference]: Finished difference Result 12 states and 16 transitions. 22.77/9.85 [2019-03-28 12:45:33,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 22.77/9.85 [2019-03-28 12:45:33,561 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 22.77/9.85 [2019-03-28 12:45:33,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 22.77/9.85 [2019-03-28 12:45:33,561 INFO L225 Difference]: With dead ends: 12 22.77/9.85 [2019-03-28 12:45:33,562 INFO L226 Difference]: Without dead ends: 11 22.77/9.85 [2019-03-28 12:45:33,562 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 22.77/9.85 [2019-03-28 12:45:33,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. 22.77/9.85 [2019-03-28 12:45:33,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. 22.77/9.85 [2019-03-28 12:45:33,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. 22.77/9.85 [2019-03-28 12:45:33,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. 22.77/9.85 [2019-03-28 12:45:33,565 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 12 transitions. Word has length 8 22.77/9.85 [2019-03-28 12:45:33,565 INFO L84 Accepts]: Finished accepts. word is rejected. 22.77/9.85 [2019-03-28 12:45:33,565 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 12 transitions. 22.77/9.85 [2019-03-28 12:45:33,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. 22.77/9.85 [2019-03-28 12:45:33,565 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. 22.77/9.85 [2019-03-28 12:45:33,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 22.77/9.85 [2019-03-28 12:45:33,566 INFO L394 BasicCegarLoop]: Found error trace 22.77/9.85 [2019-03-28 12:45:33,566 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] 22.77/9.85 [2019-03-28 12:45:33,566 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONILLEGAL_POINTER_ARITHMETIC, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION]=== 22.77/9.85 [2019-03-28 12:45:33,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 22.77/9.85 [2019-03-28 12:45:33,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1093028458, now seen corresponding path program 1 times 22.77/9.85 [2019-03-28 12:45:33,567 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 22.77/9.85 [2019-03-28 12:45:33,567 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 22.77/9.85 [2019-03-28 12:45:33,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:33,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:33,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 22.77/9.85 [2019-03-28 12:45:33,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 22.77/9.85 [2019-03-28 12:45:33,714 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. 22.77/9.85 [2019-03-28 12:45:33,714 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 22.77/9.85 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 22.77/9.85 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) 22.77/9.85 Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 22.77/9.85 [2019-03-28 12:45:33,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 22.77/9.85 [2019-03-28 12:45:33,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 20 conjunts are in the unsatisfiable core 22.77/9.85 [2019-03-28 12:45:33,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... 22.77/9.85 [2019-03-28 12:45:33,800 INFO L374 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 22.77/9.85 [2019-03-28 12:45:33,801 INFO L427 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. 22.77/9.85 [2019-03-28 12:45:33,813 INFO L497 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size 22.77/9.85 [2019-03-28 12:45:33,814 INFO L427 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. 22.77/9.85 [2019-03-28 12:45:33,814 INFO L217 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:28, output treesize:24 22.77/9.85 [2019-03-28 12:45:33,864 INFO L340 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size 22.77/9.85 [2019-03-28 12:45:33,864 INFO L374 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 18 22.77/9.85 [2019-03-28 12:45:33,869 INFO L427 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. 22.77/9.85 [2019-03-28 12:45:33,893 INFO L497 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size 22.77/9.85 [2019-03-28 12:45:33,900 INFO L427 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. 22.77/9.85 [2019-03-28 12:45:33,901 INFO L217 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:31, output treesize:27 22.77/9.85 [2019-03-28 12:45:33,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 22.77/9.85 [2019-03-28 12:45:33,992 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. 22.77/9.85 [2019-03-28 12:45:33,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 22.77/9.85 [2019-03-28 12:45:33,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states 22.77/9.85 [2019-03-28 12:45:33,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. 22.77/9.85 [2019-03-28 12:45:33,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 22.77/9.85 [2019-03-28 12:45:33,994 INFO L87 Difference]: Start difference. First operand 9 states and 12 transitions. Second operand 11 states. 22.77/9.85 [2019-03-28 12:45:34,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 22.77/9.85 [2019-03-28 12:45:34,238 INFO L93 Difference]: Finished difference Result 13 states and 17 transitions. 22.77/9.85 [2019-03-28 12:45:34,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 22.77/9.85 [2019-03-28 12:45:34,239 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 8 22.77/9.85 [2019-03-28 12:45:34,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 22.77/9.85 [2019-03-28 12:45:34,240 INFO L225 Difference]: With dead ends: 13 22.77/9.85 [2019-03-28 12:45:34,240 INFO L226 Difference]: Without dead ends: 12 22.77/9.85 [2019-03-28 12:45:34,241 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 22.77/9.85 [2019-03-28 12:45:34,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. 22.77/9.85 [2019-03-28 12:45:34,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. 22.77/9.85 [2019-03-28 12:45:34,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. 22.77/9.85 [2019-03-28 12:45:34,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. 22.77/9.85 [2019-03-28 12:45:34,244 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 16 transitions. Word has length 8 22.77/9.85 [2019-03-28 12:45:34,245 INFO L84 Accepts]: Finished accepts. word is rejected. 22.77/9.85 [2019-03-28 12:45:34,245 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 16 transitions. 22.77/9.85 [2019-03-28 12:45:34,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. 22.77/9.85 [2019-03-28 12:45:34,245 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. 22.77/9.85 [2019-03-28 12:45:34,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 22.77/9.85 [2019-03-28 12:45:34,245 INFO L394 BasicCegarLoop]: Found error trace 22.77/9.85 [2019-03-28 12:45:34,246 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] 22.77/9.85 [2019-03-28 12:45:34,246 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONILLEGAL_POINTER_ARITHMETIC, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION]=== 22.77/9.85 [2019-03-28 12:45:34,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 22.77/9.85 [2019-03-28 12:45:34,246 INFO L82 PathProgramCache]: Analyzing trace with hash 2030309685, now seen corresponding path program 2 times 22.77/9.85 [2019-03-28 12:45:34,247 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 22.77/9.85 [2019-03-28 12:45:34,247 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 22.77/9.85 [2019-03-28 12:45:34,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:34,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:34,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 22.77/9.85 [2019-03-28 12:45:34,481 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 22.77/9.85 [2019-03-28 12:45:34,481 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. 22.77/9.85 [2019-03-28 12:45:34,481 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 22.77/9.85 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 22.77/9.85 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) 22.77/9.85 Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 22.77/9.85 [2019-03-28 12:45:34,494 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 22.77/9.85 [2019-03-28 12:45:34,512 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) 22.77/9.85 [2019-03-28 12:45:34,512 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat 22.77/9.85 [2019-03-28 12:45:34,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 22 conjunts are in the unsatisfiable core 22.77/9.85 [2019-03-28 12:45:34,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... 22.77/9.85 [2019-03-28 12:45:34,521 INFO L374 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 22.77/9.85 [2019-03-28 12:45:34,521 INFO L427 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. 22.77/9.85 [2019-03-28 12:45:34,526 INFO L497 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size 22.77/9.85 [2019-03-28 12:45:34,526 INFO L427 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. 22.77/9.85 [2019-03-28 12:45:34,526 INFO L217 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 22.77/9.85 [2019-03-28 12:45:34,545 INFO L374 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 22.77/9.85 [2019-03-28 12:45:34,545 INFO L427 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. 22.77/9.85 [2019-03-28 12:45:34,551 INFO L497 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size 22.77/9.85 [2019-03-28 12:45:34,552 INFO L427 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. 22.77/9.85 [2019-03-28 12:45:34,553 INFO L217 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:19 22.77/9.85 [2019-03-28 12:45:34,588 INFO L340 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size 22.77/9.85 [2019-03-28 12:45:34,589 INFO L374 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 20 22.77/9.85 [2019-03-28 12:45:34,590 INFO L427 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. 22.77/9.85 [2019-03-28 12:45:34,600 INFO L497 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size 22.77/9.85 [2019-03-28 12:45:34,602 INFO L427 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. 22.77/9.85 [2019-03-28 12:45:34,603 INFO L217 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:24 22.77/9.85 [2019-03-28 12:45:34,676 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. 22.77/9.85 [2019-03-28 12:45:34,702 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. 22.77/9.85 [2019-03-28 12:45:34,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 22.77/9.85 [2019-03-28 12:45:34,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states 22.77/9.85 [2019-03-28 12:45:34,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. 22.77/9.85 [2019-03-28 12:45:34,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 22.77/9.85 [2019-03-28 12:45:34,704 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. Second operand 12 states. 22.77/9.85 [2019-03-28 12:45:35,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 22.77/9.85 [2019-03-28 12:45:35,223 INFO L93 Difference]: Finished difference Result 19 states and 24 transitions. 22.77/9.85 [2019-03-28 12:45:35,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 22.77/9.85 [2019-03-28 12:45:35,224 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 11 22.77/9.85 [2019-03-28 12:45:35,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 22.77/9.85 [2019-03-28 12:45:35,225 INFO L225 Difference]: With dead ends: 19 22.77/9.85 [2019-03-28 12:45:35,225 INFO L226 Difference]: Without dead ends: 18 22.77/9.85 [2019-03-28 12:45:35,225 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=161, Invalid=391, Unknown=0, NotChecked=0, Total=552 22.77/9.85 [2019-03-28 12:45:35,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. 22.77/9.85 [2019-03-28 12:45:35,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 15. 22.77/9.85 [2019-03-28 12:45:35,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. 22.77/9.85 [2019-03-28 12:45:35,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. 22.77/9.85 [2019-03-28 12:45:35,229 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 20 transitions. Word has length 11 22.77/9.85 [2019-03-28 12:45:35,230 INFO L84 Accepts]: Finished accepts. word is rejected. 22.77/9.85 [2019-03-28 12:45:35,230 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 20 transitions. 22.77/9.85 [2019-03-28 12:45:35,230 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. 22.77/9.85 [2019-03-28 12:45:35,230 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. 22.77/9.85 [2019-03-28 12:45:35,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 22.77/9.85 [2019-03-28 12:45:35,231 INFO L394 BasicCegarLoop]: Found error trace 22.77/9.85 [2019-03-28 12:45:35,231 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1] 22.77/9.85 [2019-03-28 12:45:35,231 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONILLEGAL_POINTER_ARITHMETIC, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION]=== 22.77/9.85 [2019-03-28 12:45:35,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 22.77/9.85 [2019-03-28 12:45:35,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1069539081, now seen corresponding path program 1 times 22.77/9.85 [2019-03-28 12:45:35,232 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 22.77/9.85 [2019-03-28 12:45:35,232 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 22.77/9.85 [2019-03-28 12:45:35,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:35,233 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:35,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 22.77/9.85 [2019-03-28 12:45:35,330 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. 22.77/9.85 [2019-03-28 12:45:35,331 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. 22.77/9.85 [2019-03-28 12:45:35,331 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 22.77/9.85 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 22.77/9.85 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) 22.77/9.85 Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 22.77/9.85 [2019-03-28 12:45:35,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 22.77/9.85 [2019-03-28 12:45:35,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 27 conjunts are in the unsatisfiable core 22.77/9.85 [2019-03-28 12:45:35,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... 22.77/9.85 [2019-03-28 12:45:35,371 INFO L374 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 22.77/9.85 [2019-03-28 12:45:35,371 INFO L427 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. 22.77/9.85 [2019-03-28 12:45:35,376 INFO L497 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size 22.77/9.85 [2019-03-28 12:45:35,377 INFO L427 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. 22.77/9.85 [2019-03-28 12:45:35,377 INFO L217 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 22.77/9.85 [2019-03-28 12:45:35,386 INFO L374 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 22.77/9.85 [2019-03-28 12:45:35,387 INFO L427 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. 22.77/9.85 [2019-03-28 12:45:35,389 INFO L497 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size 22.77/9.85 [2019-03-28 12:45:35,390 INFO L427 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. 22.77/9.85 [2019-03-28 12:45:35,390 INFO L217 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 22.77/9.85 [2019-03-28 12:45:35,408 INFO L340 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size 22.77/9.85 [2019-03-28 12:45:35,408 INFO L374 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19 22.77/9.85 [2019-03-28 12:45:35,410 INFO L427 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. 22.77/9.85 [2019-03-28 12:45:35,417 INFO L497 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size 22.77/9.85 [2019-03-28 12:45:35,418 INFO L427 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. 22.77/9.85 [2019-03-28 12:45:35,418 INFO L217 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:20 22.77/9.85 [2019-03-28 12:45:35,447 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. 22.77/9.85 [2019-03-28 12:45:35,473 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. 22.77/9.85 [2019-03-28 12:45:35,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 8 22.77/9.85 [2019-03-28 12:45:35,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states 22.77/9.85 [2019-03-28 12:45:35,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. 22.77/9.85 [2019-03-28 12:45:35,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 22.77/9.85 [2019-03-28 12:45:35,475 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. Second operand 9 states. 22.77/9.85 [2019-03-28 12:45:35,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 22.77/9.85 [2019-03-28 12:45:35,561 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. 22.77/9.85 [2019-03-28 12:45:35,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 22.77/9.85 [2019-03-28 12:45:35,562 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 22.77/9.85 [2019-03-28 12:45:35,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 22.77/9.85 [2019-03-28 12:45:35,562 INFO L225 Difference]: With dead ends: 15 22.77/9.85 [2019-03-28 12:45:35,563 INFO L226 Difference]: Without dead ends: 0 22.77/9.85 [2019-03-28 12:45:35,563 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 22.77/9.85 [2019-03-28 12:45:35,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. 22.77/9.85 [2019-03-28 12:45:35,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. 22.77/9.85 [2019-03-28 12:45:35,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. 22.77/9.85 [2019-03-28 12:45:35,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. 22.77/9.85 [2019-03-28 12:45:35,564 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 22.77/9.85 [2019-03-28 12:45:35,564 INFO L84 Accepts]: Finished accepts. word is rejected. 22.77/9.85 [2019-03-28 12:45:35,564 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. 22.77/9.85 [2019-03-28 12:45:35,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. 22.77/9.85 [2019-03-28 12:45:35,565 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. 22.77/9.85 [2019-03-28 12:45:35,565 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 22.77/9.85 [2019-03-28 12:45:35,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. 22.77/9.85 [2019-03-28 12:45:35,716 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 22.77/9.85 [2019-03-28 12:45:35,719 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr3REQUIRES_VIOLATION(line 14) no Hoare annotation was computed. 22.77/9.85 [2019-03-28 12:45:35,719 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 22.77/9.85 [2019-03-28 12:45:35,719 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. 22.77/9.85 [2019-03-28 12:45:35,720 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. 22.77/9.85 [2019-03-28 12:45:35,720 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 21 23) no Hoare annotation was computed. 22.77/9.85 [2019-03-28 12:45:35,720 INFO L448 ceAbstractionStarter]: For program point L14-1(lines 14 15) no Hoare annotation was computed. 22.77/9.85 [2019-03-28 12:45:35,720 INFO L448 ceAbstractionStarter]: For program point L14-3(lines 14 15) no Hoare annotation was computed. 22.77/9.85 [2019-03-28 12:45:35,720 INFO L444 ceAbstractionStarter]: At program point L14-4(lines 14 15) the Hoare annotation is: (let ((.cse5 (= ULTIMATE.start_main_~length1~0 (select |#length| ULTIMATE.start_main_~nondetString1~0.base))) (.cse0 (<= 1 ULTIMATE.start_main_~length1~0)) (.cse1 (= 1 (select |#valid| ULTIMATE.start_main_~nondetString1~0.base))) (.cse2 (= ULTIMATE.start_cstrlen_~str.base ULTIMATE.start_cstrlen_~s~0.base)) (.cse4 (= ULTIMATE.start_main_~nondetString1~0.offset 0)) (.cse6 (= 1 (select |#valid| ULTIMATE.start_cstrlen_~s~0.base))) (.cse7 (exists ((ULTIMATE.start_main_~nondetString1~0.offset Int)) (and (<= ULTIMATE.start_main_~nondetString1~0.offset 0) (<= 0 ULTIMATE.start_main_~nondetString1~0.offset) (= 0 (select (select |#memory_int| ULTIMATE.start_cstrlen_~s~0.base) (+ ULTIMATE.start_main_~nondetString1~0.offset (select |#length| ULTIMATE.start_cstrlen_~s~0.base) (- 1))))))) (.cse3 (select |#length| ULTIMATE.start_cstrlen_~s~0.base))) (or (and (<= 1 ULTIMATE.start_cstrlen_~s~0.offset) .cse0 .cse1 .cse2 (<= (+ ULTIMATE.start_cstrlen_~s~0.offset 1) .cse3) .cse4 .cse5 .cse6 .cse7) (and .cse5 .cse0 .cse1 .cse2 .cse4 .cse6 (= ULTIMATE.start_cstrlen_~s~0.offset 0) .cse7 (<= 1 .cse3)))) 22.77/9.85 [2019-03-28 12:45:35,721 INFO L448 ceAbstractionStarter]: For program point L14-5(lines 14 15) no Hoare annotation was computed. 22.77/9.85 [2019-03-28 12:45:35,721 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0REQUIRES_VIOLATION(line 25) no Hoare annotation was computed. 22.77/9.85 [2019-03-28 12:45:35,721 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONILLEGAL_POINTER_ARITHMETIC(line 16) no Hoare annotation was computed. 22.77/9.85 [2019-03-28 12:45:35,721 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2REQUIRES_VIOLATION(line 14) no Hoare annotation was computed. 22.77/9.85 [2019-03-28 12:45:35,721 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1REQUIRES_VIOLATION(line 25) no Hoare annotation was computed. 22.77/9.85 [2019-03-28 12:45:35,722 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg 22.77/9.85 [2019-03-28 12:45:35,730 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 [2019-03-28 12:45:35,731 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 [2019-03-28 12:45:35,731 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 [2019-03-28 12:45:35,732 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 [2019-03-28 12:45:35,732 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 [2019-03-28 12:45:35,732 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 [2019-03-28 12:45:35,735 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 22.77/9.85 [2019-03-28 12:45:35,736 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 22.77/9.85 [2019-03-28 12:45:35,736 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int 22.77/9.85 [2019-03-28 12:45:35,736 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 22.77/9.85 [2019-03-28 12:45:35,736 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 22.77/9.85 [2019-03-28 12:45:35,737 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int 22.77/9.85 [2019-03-28 12:45:35,737 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 22.77/9.85 [2019-03-28 12:45:35,737 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 22.77/9.85 [2019-03-28 12:45:35,744 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 [2019-03-28 12:45:35,745 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 [2019-03-28 12:45:35,745 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 [2019-03-28 12:45:35,745 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 [2019-03-28 12:45:35,745 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 [2019-03-28 12:45:35,746 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 [2019-03-28 12:45:35,747 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 22.77/9.85 [2019-03-28 12:45:35,747 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 22.77/9.85 [2019-03-28 12:45:35,747 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int 22.77/9.85 [2019-03-28 12:45:35,747 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 22.77/9.85 [2019-03-28 12:45:35,748 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 22.77/9.85 [2019-03-28 12:45:35,748 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int 22.77/9.85 [2019-03-28 12:45:35,748 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 22.77/9.85 [2019-03-28 12:45:35,749 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 22.77/9.85 [2019-03-28 12:45:35,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:45:35 BasicIcfg 22.77/9.85 [2019-03-28 12:45:35,751 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 22.77/9.85 [2019-03-28 12:45:35,752 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 22.77/9.85 [2019-03-28 12:45:35,752 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 22.77/9.85 [2019-03-28 12:45:35,756 INFO L276 PluginConnector]: BuchiAutomizer initialized 22.77/9.85 [2019-03-28 12:45:35,757 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 22.77/9.85 [2019-03-28 12:45:35,757 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:45:31" (1/5) ... 22.77/9.85 [2019-03-28 12:45:35,757 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7295b6d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:45:35, skipping insertion in model container 22.77/9.85 [2019-03-28 12:45:35,757 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 22.77/9.85 [2019-03-28 12:45:35,758 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:45:31" (2/5) ... 22.77/9.85 [2019-03-28 12:45:35,758 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7295b6d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:45:35, skipping insertion in model container 22.77/9.85 [2019-03-28 12:45:35,758 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 22.77/9.85 [2019-03-28 12:45:35,758 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:45:32" (3/5) ... 22.77/9.85 [2019-03-28 12:45:35,758 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7295b6d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:45:35, skipping insertion in model container 22.77/9.85 [2019-03-28 12:45:35,759 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 22.77/9.85 [2019-03-28 12:45:35,759 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:45:32" (4/5) ... 22.77/9.85 [2019-03-28 12:45:35,759 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7295b6d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:45:35, skipping insertion in model container 22.77/9.85 [2019-03-28 12:45:35,759 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 22.77/9.85 [2019-03-28 12:45:35,759 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:45:35" (5/5) ... 22.77/9.85 [2019-03-28 12:45:35,761 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 22.77/9.85 [2019-03-28 12:45:35,783 INFO L133 ementStrategyFactory]: Using default assertion order modulation 22.77/9.85 [2019-03-28 12:45:35,783 INFO L374 BuchiCegarLoop]: Interprodecural is true 22.77/9.85 [2019-03-28 12:45:35,783 INFO L375 BuchiCegarLoop]: Hoare is true 22.77/9.85 [2019-03-28 12:45:35,783 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 22.77/9.85 [2019-03-28 12:45:35,783 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 22.77/9.85 [2019-03-28 12:45:35,783 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 22.77/9.85 [2019-03-28 12:45:35,783 INFO L379 BuchiCegarLoop]: Difference is false 22.77/9.85 [2019-03-28 12:45:35,784 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 22.77/9.85 [2019-03-28 12:45:35,784 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 22.77/9.85 [2019-03-28 12:45:35,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. 22.77/9.85 [2019-03-28 12:45:35,792 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 22.77/9.85 [2019-03-28 12:45:35,792 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 22.77/9.85 [2019-03-28 12:45:35,792 INFO L119 BuchiIsEmpty]: Starting construction of run 22.77/9.85 [2019-03-28 12:45:35,796 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] 22.77/9.85 [2019-03-28 12:45:35,797 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 22.77/9.85 [2019-03-28 12:45:35,797 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 22.77/9.85 [2019-03-28 12:45:35,797 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. 22.77/9.85 [2019-03-28 12:45:35,798 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 22.77/9.85 [2019-03-28 12:45:35,798 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 22.77/9.85 [2019-03-28 12:45:35,798 INFO L119 BuchiIsEmpty]: Starting construction of run 22.77/9.85 [2019-03-28 12:45:35,798 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] 22.77/9.85 [2019-03-28 12:45:35,798 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 22.77/9.85 [2019-03-28 12:45:35,804 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue [88] ULTIMATE.startENTRY-->L21: Formula: (and (= |v_#NULL.offset_2| 0) (= (store |v_#valid_12| 0 0) |v_#valid_11|) (= 0 |v_#NULL.base_2|)) InVars {#valid=|v_#valid_12|} OutVars{ULTIMATE.start_main_#t~malloc3.base=|v_ULTIMATE.start_main_#t~malloc3.base_5|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_~nondetString1~0.base=v_ULTIMATE.start_main_~nondetString1~0.base_7, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_4|, #valid=|v_#valid_11|, ULTIMATE.start_main_~length1~0=v_ULTIMATE.start_main_~length1~0_10, ULTIMATE.start_main_~nondetString1~0.offset=v_ULTIMATE.start_main_~nondetString1~0.offset_6, #NULL.offset=|v_#NULL.offset_2|, ULTIMATE.start_main_#t~malloc3.offset=|v_ULTIMATE.start_main_#t~malloc3.offset_5|, #NULL.base=|v_#NULL.base_2|, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~malloc3.base, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~nondetString1~0.base, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_~length1~0, ULTIMATE.start_main_~nondetString1~0.offset, #NULL.offset, ULTIMATE.start_main_#t~malloc3.offset, #NULL.base, ULTIMATE.start_main_#t~ret4] 10#L21true [47] L21-->L21-2: Formula: (and (= v_ULTIMATE.start_main_~length1~0_4 1) (< v_ULTIMATE.start_main_~length1~0_5 1)) InVars {ULTIMATE.start_main_~length1~0=v_ULTIMATE.start_main_~length1~0_5} OutVars{ULTIMATE.start_main_~length1~0=v_ULTIMATE.start_main_~length1~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_~length1~0] 7#L21-2true [69] L21-2-->L25: Formula: (and (< |v_ULTIMATE.start_main_#t~malloc3.base_4| 0) (= 0 |v_ULTIMATE.start_main_#t~malloc3.offset_4|) (= (select |v_#valid_6| |v_ULTIMATE.start_main_#t~malloc3.base_4|) 0) (= v_ULTIMATE.start_main_~nondetString1~0.base_2 |v_ULTIMATE.start_main_#t~malloc3.base_4|) (= (store |v_#length_2| |v_ULTIMATE.start_main_#t~malloc3.base_4| v_ULTIMATE.start_main_~length1~0_7) |v_#length_1|) (= v_ULTIMATE.start_main_~nondetString1~0.offset_2 |v_ULTIMATE.start_main_#t~malloc3.offset_4|) (= (store |v_#valid_6| |v_ULTIMATE.start_main_#t~malloc3.base_4| 1) |v_#valid_5|) (< |v_ULTIMATE.start_main_#t~malloc3.base_4| |v_#StackHeapBarrier_1|)) InVars {ULTIMATE.start_main_~length1~0=v_ULTIMATE.start_main_~length1~0_7, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_2|, #valid=|v_#valid_6|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, ULTIMATE.start_main_#t~malloc3.base=|v_ULTIMATE.start_main_#t~malloc3.base_4|, ULTIMATE.start_main_~nondetString1~0.base=v_ULTIMATE.start_main_~nondetString1~0.base_2, #valid=|v_#valid_5|, ULTIMATE.start_main_~length1~0=v_ULTIMATE.start_main_~length1~0_7, ULTIMATE.start_main_~nondetString1~0.offset=v_ULTIMATE.start_main_~nondetString1~0.offset_2, #length=|v_#length_1|, ULTIMATE.start_main_#t~malloc3.offset=|v_ULTIMATE.start_main_#t~malloc3.offset_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~malloc3.base, ULTIMATE.start_main_~nondetString1~0.base, #valid, ULTIMATE.start_main_~nondetString1~0.offset, #length, ULTIMATE.start_main_#t~malloc3.offset] 15#L25true [89] L25-->L14-4: Formula: (let ((.cse0 (+ v_ULTIMATE.start_main_~nondetString1~0.offset_7 v_ULTIMATE.start_main_~length1~0_11))) (and (= 1 (select |v_#valid_13| v_ULTIMATE.start_main_~nondetString1~0.base_8)) (= |v_ULTIMATE.start_cstrlen_#in~str.offset_2| v_ULTIMATE.start_cstrlen_~str.offset_4) (<= 1 .cse0) (= v_ULTIMATE.start_cstrlen_~str.base_5 |v_ULTIMATE.start_cstrlen_#in~str.base_2|) (= v_ULTIMATE.start_main_~nondetString1~0.offset_7 |v_ULTIMATE.start_cstrlen_#in~str.offset_2|) (= (store |v_#memory_int_5| v_ULTIMATE.start_main_~nondetString1~0.base_8 (store (select |v_#memory_int_5| v_ULTIMATE.start_main_~nondetString1~0.base_8) (+ v_ULTIMATE.start_main_~nondetString1~0.offset_7 v_ULTIMATE.start_main_~length1~0_11 (- 1)) 0)) |v_#memory_int_4|) (= v_ULTIMATE.start_cstrlen_~str.base_5 v_ULTIMATE.start_cstrlen_~s~0.base_11) (<= .cse0 (select |v_#length_7| v_ULTIMATE.start_main_~nondetString1~0.base_8)) (= |v_ULTIMATE.start_cstrlen_#in~str.base_2| v_ULTIMATE.start_main_~nondetString1~0.base_8) (= v_ULTIMATE.start_cstrlen_~s~0.offset_9 v_ULTIMATE.start_cstrlen_~str.offset_4))) InVars {ULTIMATE.start_main_~nondetString1~0.base=v_ULTIMATE.start_main_~nondetString1~0.base_8, #valid=|v_#valid_13|, #memory_int=|v_#memory_int_5|, ULTIMATE.start_main_~nondetString1~0.offset=v_ULTIMATE.start_main_~nondetString1~0.offset_7, ULTIMATE.start_main_~length1~0=v_ULTIMATE.start_main_~length1~0_11, #length=|v_#length_7|} OutVars{ULTIMATE.start_cstrlen_#in~str.base=|v_ULTIMATE.start_cstrlen_#in~str.base_2|, ULTIMATE.start_cstrlen_#t~pre0.base=|v_ULTIMATE.start_cstrlen_#t~pre0.base_4|, ULTIMATE.start_main_~length1~0=v_ULTIMATE.start_main_~length1~0_11, ULTIMATE.start_cstrlen_#in~str.offset=|v_ULTIMATE.start_cstrlen_#in~str.offset_2|, ULTIMATE.start_cstrlen_~str.offset=v_ULTIMATE.start_cstrlen_~str.offset_4, ULTIMATE.start_cstrlen_#t~pre0.offset=|v_ULTIMATE.start_cstrlen_#t~pre0.offset_4|, ULTIMATE.start_cstrlen_~s~0.base=v_ULTIMATE.start_cstrlen_~s~0.base_11, ULTIMATE.start_cstrlen_#res=|v_ULTIMATE.start_cstrlen_#res_4|, ULTIMATE.start_main_~nondetString1~0.base=v_ULTIMATE.start_main_~nondetString1~0.base_8, #valid=|v_#valid_13|, #memory_int=|v_#memory_int_4|, ULTIMATE.start_main_~nondetString1~0.offset=v_ULTIMATE.start_main_~nondetString1~0.offset_7, #length=|v_#length_7|, ULTIMATE.start_cstrlen_~s~0.offset=v_ULTIMATE.start_cstrlen_~s~0.offset_9, ULTIMATE.start_cstrlen_~str.base=v_ULTIMATE.start_cstrlen_~str.base_5, ULTIMATE.start_cstrlen_#t~mem1=|v_ULTIMATE.start_cstrlen_#t~mem1_7|} AuxVars[] AssignedVars[ULTIMATE.start_cstrlen_#in~str.base, ULTIMATE.start_cstrlen_#t~pre0.offset, ULTIMATE.start_cstrlen_~s~0.base, ULTIMATE.start_cstrlen_#res, ULTIMATE.start_cstrlen_#t~pre0.base, #memory_int, ULTIMATE.start_cstrlen_#in~str.offset, ULTIMATE.start_cstrlen_~s~0.offset, ULTIMATE.start_cstrlen_~str.base, ULTIMATE.start_cstrlen_#t~mem1, ULTIMATE.start_cstrlen_~str.offset] 9#L14-4true 22.77/9.85 [2019-03-28 12:45:35,804 INFO L796 eck$LassoCheckResult]: Loop: 9#L14-4true [43] L14-4-->L14-1: Formula: (and (<= 0 v_ULTIMATE.start_cstrlen_~s~0.offset_4) (<= (+ v_ULTIMATE.start_cstrlen_~s~0.offset_4 1) (select |v_#length_5| v_ULTIMATE.start_cstrlen_~s~0.base_4)) (= 1 (select |v_#valid_9| v_ULTIMATE.start_cstrlen_~s~0.base_4)) (= (select (select |v_#memory_int_3| v_ULTIMATE.start_cstrlen_~s~0.base_4) v_ULTIMATE.start_cstrlen_~s~0.offset_4) |v_ULTIMATE.start_cstrlen_#t~mem1_2|)) InVars {#memory_int=|v_#memory_int_3|, ULTIMATE.start_cstrlen_~s~0.base=v_ULTIMATE.start_cstrlen_~s~0.base_4, #length=|v_#length_5|, ULTIMATE.start_cstrlen_~s~0.offset=v_ULTIMATE.start_cstrlen_~s~0.offset_4, #valid=|v_#valid_9|} OutVars{ULTIMATE.start_cstrlen_~s~0.base=v_ULTIMATE.start_cstrlen_~s~0.base_4, #valid=|v_#valid_9|, #memory_int=|v_#memory_int_3|, #length=|v_#length_5|, ULTIMATE.start_cstrlen_~s~0.offset=v_ULTIMATE.start_cstrlen_~s~0.offset_4, ULTIMATE.start_cstrlen_#t~mem1=|v_ULTIMATE.start_cstrlen_#t~mem1_2|} AuxVars[] AssignedVars[ULTIMATE.start_cstrlen_#t~mem1] 14#L14-1true [78] L14-1-->L14-3: Formula: (> 0 |v_ULTIMATE.start_cstrlen_#t~mem1_6|) InVars {ULTIMATE.start_cstrlen_#t~mem1=|v_ULTIMATE.start_cstrlen_#t~mem1_6|} OutVars{ULTIMATE.start_cstrlen_#t~mem1=|v_ULTIMATE.start_cstrlen_#t~mem1_5|} AuxVars[] AssignedVars[ULTIMATE.start_cstrlen_#t~mem1] 13#L14-3true [50] L14-3-->L14-4: Formula: (and (= v_ULTIMATE.start_cstrlen_~s~0.base_7 v_ULTIMATE.start_cstrlen_~s~0.base_8) (= v_ULTIMATE.start_cstrlen_~s~0.offset_6 (+ v_ULTIMATE.start_cstrlen_~s~0.offset_7 1))) InVars {ULTIMATE.start_cstrlen_~s~0.base=v_ULTIMATE.start_cstrlen_~s~0.base_8, ULTIMATE.start_cstrlen_~s~0.offset=v_ULTIMATE.start_cstrlen_~s~0.offset_7} OutVars{ULTIMATE.start_cstrlen_#t~pre0.offset=|v_ULTIMATE.start_cstrlen_#t~pre0.offset_2|, ULTIMATE.start_cstrlen_~s~0.base=v_ULTIMATE.start_cstrlen_~s~0.base_7, ULTIMATE.start_cstrlen_~s~0.offset=v_ULTIMATE.start_cstrlen_~s~0.offset_6, ULTIMATE.start_cstrlen_#t~pre0.base=|v_ULTIMATE.start_cstrlen_#t~pre0.base_2|} AuxVars[] AssignedVars[ULTIMATE.start_cstrlen_#t~pre0.offset, ULTIMATE.start_cstrlen_~s~0.base, ULTIMATE.start_cstrlen_#t~pre0.base, ULTIMATE.start_cstrlen_~s~0.offset] 9#L14-4true 22.77/9.85 [2019-03-28 12:45:35,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 22.77/9.85 [2019-03-28 12:45:35,805 INFO L82 PathProgramCache]: Analyzing trace with hash 3592524, now seen corresponding path program 1 times 22.77/9.85 [2019-03-28 12:45:35,805 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 22.77/9.85 [2019-03-28 12:45:35,805 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 22.77/9.85 [2019-03-28 12:45:35,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:35,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:35,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 22.77/9.85 [2019-03-28 12:45:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 22.77/9.85 [2019-03-28 12:45:35,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 22.77/9.85 [2019-03-28 12:45:35,836 INFO L82 PathProgramCache]: Analyzing trace with hash 73582, now seen corresponding path program 1 times 22.77/9.85 [2019-03-28 12:45:35,836 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 22.77/9.85 [2019-03-28 12:45:35,836 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 22.77/9.85 [2019-03-28 12:45:35,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:35,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:35,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 22.77/9.85 [2019-03-28 12:45:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 22.77/9.85 [2019-03-28 12:45:35,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 22.77/9.85 [2019-03-28 12:45:35,844 INFO L82 PathProgramCache]: Analyzing trace with hash -349256125, now seen corresponding path program 1 times 22.77/9.85 [2019-03-28 12:45:35,844 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 22.77/9.85 [2019-03-28 12:45:35,844 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 22.77/9.85 [2019-03-28 12:45:35,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:35,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:35,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 22.77/9.85 [2019-03-28 12:45:35,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 22.77/9.85 [2019-03-28 12:45:35,903 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 22.77/9.85 [2019-03-28 12:45:35,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 22.77/9.85 [2019-03-28 12:45:35,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. 22.77/9.85 [2019-03-28 12:45:35,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 22.77/9.85 [2019-03-28 12:45:35,935 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 6 states. 22.77/9.85 [2019-03-28 12:45:36,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 22.77/9.85 [2019-03-28 12:45:36,035 INFO L93 Difference]: Finished difference Result 23 states and 35 transitions. 22.77/9.85 [2019-03-28 12:45:36,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 22.77/9.85 [2019-03-28 12:45:36,037 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 35 transitions. 22.77/9.85 [2019-03-28 12:45:36,039 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 22.77/9.85 [2019-03-28 12:45:36,039 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 9 transitions. 22.77/9.85 [2019-03-28 12:45:36,041 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 22.77/9.85 [2019-03-28 12:45:36,041 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 22.77/9.85 [2019-03-28 12:45:36,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 9 transitions. 22.77/9.85 [2019-03-28 12:45:36,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 22.77/9.85 [2019-03-28 12:45:36,042 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. 22.77/9.85 [2019-03-28 12:45:36,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 9 transitions. 22.77/9.85 [2019-03-28 12:45:36,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. 22.77/9.85 [2019-03-28 12:45:36,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 22.77/9.85 [2019-03-28 12:45:36,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. 22.77/9.85 [2019-03-28 12:45:36,044 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. 22.77/9.85 [2019-03-28 12:45:36,044 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. 22.77/9.85 [2019-03-28 12:45:36,044 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 22.77/9.85 [2019-03-28 12:45:36,044 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. 22.77/9.85 [2019-03-28 12:45:36,045 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 22.77/9.85 [2019-03-28 12:45:36,045 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 22.77/9.85 [2019-03-28 12:45:36,045 INFO L119 BuchiIsEmpty]: Starting construction of run 22.77/9.85 [2019-03-28 12:45:36,045 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] 22.77/9.85 [2019-03-28 12:45:36,045 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 22.77/9.85 [2019-03-28 12:45:36,046 INFO L794 eck$LassoCheckResult]: Stem: 58#ULTIMATE.startENTRY [88] ULTIMATE.startENTRY-->L21: Formula: (and (= |v_#NULL.offset_2| 0) (= (store |v_#valid_12| 0 0) |v_#valid_11|) (= 0 |v_#NULL.base_2|)) InVars {#valid=|v_#valid_12|} OutVars{ULTIMATE.start_main_#t~malloc3.base=|v_ULTIMATE.start_main_#t~malloc3.base_5|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_~nondetString1~0.base=v_ULTIMATE.start_main_~nondetString1~0.base_7, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_4|, #valid=|v_#valid_11|, ULTIMATE.start_main_~length1~0=v_ULTIMATE.start_main_~length1~0_10, ULTIMATE.start_main_~nondetString1~0.offset=v_ULTIMATE.start_main_~nondetString1~0.offset_6, #NULL.offset=|v_#NULL.offset_2|, ULTIMATE.start_main_#t~malloc3.offset=|v_ULTIMATE.start_main_#t~malloc3.offset_5|, #NULL.base=|v_#NULL.base_2|, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~malloc3.base, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~nondetString1~0.base, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_~length1~0, ULTIMATE.start_main_~nondetString1~0.offset, #NULL.offset, ULTIMATE.start_main_#t~malloc3.offset, #NULL.base, ULTIMATE.start_main_#t~ret4] 56#L21 [58] L21-->L21-2: Formula: (>= v_ULTIMATE.start_main_~length1~0_6 1) InVars {ULTIMATE.start_main_~length1~0=v_ULTIMATE.start_main_~length1~0_6} OutVars{ULTIMATE.start_main_~length1~0=v_ULTIMATE.start_main_~length1~0_6} AuxVars[] AssignedVars[] 57#L21-2 [69] L21-2-->L25: Formula: (and (< |v_ULTIMATE.start_main_#t~malloc3.base_4| 0) (= 0 |v_ULTIMATE.start_main_#t~malloc3.offset_4|) (= (select |v_#valid_6| |v_ULTIMATE.start_main_#t~malloc3.base_4|) 0) (= v_ULTIMATE.start_main_~nondetString1~0.base_2 |v_ULTIMATE.start_main_#t~malloc3.base_4|) (= (store |v_#length_2| |v_ULTIMATE.start_main_#t~malloc3.base_4| v_ULTIMATE.start_main_~length1~0_7) |v_#length_1|) (= v_ULTIMATE.start_main_~nondetString1~0.offset_2 |v_ULTIMATE.start_main_#t~malloc3.offset_4|) (= (store |v_#valid_6| |v_ULTIMATE.start_main_#t~malloc3.base_4| 1) |v_#valid_5|) (< |v_ULTIMATE.start_main_#t~malloc3.base_4| |v_#StackHeapBarrier_1|)) InVars {ULTIMATE.start_main_~length1~0=v_ULTIMATE.start_main_~length1~0_7, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_2|, #valid=|v_#valid_6|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, ULTIMATE.start_main_#t~malloc3.base=|v_ULTIMATE.start_main_#t~malloc3.base_4|, ULTIMATE.start_main_~nondetString1~0.base=v_ULTIMATE.start_main_~nondetString1~0.base_2, #valid=|v_#valid_5|, ULTIMATE.start_main_~length1~0=v_ULTIMATE.start_main_~length1~0_7, ULTIMATE.start_main_~nondetString1~0.offset=v_ULTIMATE.start_main_~nondetString1~0.offset_2, #length=|v_#length_1|, ULTIMATE.start_main_#t~malloc3.offset=|v_ULTIMATE.start_main_#t~malloc3.offset_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~malloc3.base, ULTIMATE.start_main_~nondetString1~0.base, #valid, ULTIMATE.start_main_~nondetString1~0.offset, #length, ULTIMATE.start_main_#t~malloc3.offset] 60#L25 [89] L25-->L14-4: Formula: (let ((.cse0 (+ v_ULTIMATE.start_main_~nondetString1~0.offset_7 v_ULTIMATE.start_main_~length1~0_11))) (and (= 1 (select |v_#valid_13| v_ULTIMATE.start_main_~nondetString1~0.base_8)) (= |v_ULTIMATE.start_cstrlen_#in~str.offset_2| v_ULTIMATE.start_cstrlen_~str.offset_4) (<= 1 .cse0) (= v_ULTIMATE.start_cstrlen_~str.base_5 |v_ULTIMATE.start_cstrlen_#in~str.base_2|) (= v_ULTIMATE.start_main_~nondetString1~0.offset_7 |v_ULTIMATE.start_cstrlen_#in~str.offset_2|) (= (store |v_#memory_int_5| v_ULTIMATE.start_main_~nondetString1~0.base_8 (store (select |v_#memory_int_5| v_ULTIMATE.start_main_~nondetString1~0.base_8) (+ v_ULTIMATE.start_main_~nondetString1~0.offset_7 v_ULTIMATE.start_main_~length1~0_11 (- 1)) 0)) |v_#memory_int_4|) (= v_ULTIMATE.start_cstrlen_~str.base_5 v_ULTIMATE.start_cstrlen_~s~0.base_11) (<= .cse0 (select |v_#length_7| v_ULTIMATE.start_main_~nondetString1~0.base_8)) (= |v_ULTIMATE.start_cstrlen_#in~str.base_2| v_ULTIMATE.start_main_~nondetString1~0.base_8) (= v_ULTIMATE.start_cstrlen_~s~0.offset_9 v_ULTIMATE.start_cstrlen_~str.offset_4))) InVars {ULTIMATE.start_main_~nondetString1~0.base=v_ULTIMATE.start_main_~nondetString1~0.base_8, #valid=|v_#valid_13|, #memory_int=|v_#memory_int_5|, ULTIMATE.start_main_~nondetString1~0.offset=v_ULTIMATE.start_main_~nondetString1~0.offset_7, ULTIMATE.start_main_~length1~0=v_ULTIMATE.start_main_~length1~0_11, #length=|v_#length_7|} OutVars{ULTIMATE.start_cstrlen_#in~str.base=|v_ULTIMATE.start_cstrlen_#in~str.base_2|, ULTIMATE.start_cstrlen_#t~pre0.base=|v_ULTIMATE.start_cstrlen_#t~pre0.base_4|, ULTIMATE.start_main_~length1~0=v_ULTIMATE.start_main_~length1~0_11, ULTIMATE.start_cstrlen_#in~str.offset=|v_ULTIMATE.start_cstrlen_#in~str.offset_2|, ULTIMATE.start_cstrlen_~str.offset=v_ULTIMATE.start_cstrlen_~str.offset_4, ULTIMATE.start_cstrlen_#t~pre0.offset=|v_ULTIMATE.start_cstrlen_#t~pre0.offset_4|, ULTIMATE.start_cstrlen_~s~0.base=v_ULTIMATE.start_cstrlen_~s~0.base_11, ULTIMATE.start_cstrlen_#res=|v_ULTIMATE.start_cstrlen_#res_4|, ULTIMATE.start_main_~nondetString1~0.base=v_ULTIMATE.start_main_~nondetString1~0.base_8, #valid=|v_#valid_13|, #memory_int=|v_#memory_int_4|, ULTIMATE.start_main_~nondetString1~0.offset=v_ULTIMATE.start_main_~nondetString1~0.offset_7, #length=|v_#length_7|, ULTIMATE.start_cstrlen_~s~0.offset=v_ULTIMATE.start_cstrlen_~s~0.offset_9, ULTIMATE.start_cstrlen_~str.base=v_ULTIMATE.start_cstrlen_~str.base_5, ULTIMATE.start_cstrlen_#t~mem1=|v_ULTIMATE.start_cstrlen_#t~mem1_7|} AuxVars[] AssignedVars[ULTIMATE.start_cstrlen_#in~str.base, ULTIMATE.start_cstrlen_#t~pre0.offset, ULTIMATE.start_cstrlen_~s~0.base, ULTIMATE.start_cstrlen_#res, ULTIMATE.start_cstrlen_#t~pre0.base, #memory_int, ULTIMATE.start_cstrlen_#in~str.offset, ULTIMATE.start_cstrlen_~s~0.offset, ULTIMATE.start_cstrlen_~str.base, ULTIMATE.start_cstrlen_#t~mem1, ULTIMATE.start_cstrlen_~str.offset] 54#L14-4 22.77/9.85 [2019-03-28 12:45:36,046 INFO L796 eck$LassoCheckResult]: Loop: 54#L14-4 [43] L14-4-->L14-1: Formula: (and (<= 0 v_ULTIMATE.start_cstrlen_~s~0.offset_4) (<= (+ v_ULTIMATE.start_cstrlen_~s~0.offset_4 1) (select |v_#length_5| v_ULTIMATE.start_cstrlen_~s~0.base_4)) (= 1 (select |v_#valid_9| v_ULTIMATE.start_cstrlen_~s~0.base_4)) (= (select (select |v_#memory_int_3| v_ULTIMATE.start_cstrlen_~s~0.base_4) v_ULTIMATE.start_cstrlen_~s~0.offset_4) |v_ULTIMATE.start_cstrlen_#t~mem1_2|)) InVars {#memory_int=|v_#memory_int_3|, ULTIMATE.start_cstrlen_~s~0.base=v_ULTIMATE.start_cstrlen_~s~0.base_4, #length=|v_#length_5|, ULTIMATE.start_cstrlen_~s~0.offset=v_ULTIMATE.start_cstrlen_~s~0.offset_4, #valid=|v_#valid_9|} OutVars{ULTIMATE.start_cstrlen_~s~0.base=v_ULTIMATE.start_cstrlen_~s~0.base_4, #valid=|v_#valid_9|, #memory_int=|v_#memory_int_3|, #length=|v_#length_5|, ULTIMATE.start_cstrlen_~s~0.offset=v_ULTIMATE.start_cstrlen_~s~0.offset_4, ULTIMATE.start_cstrlen_#t~mem1=|v_ULTIMATE.start_cstrlen_#t~mem1_2|} AuxVars[] AssignedVars[ULTIMATE.start_cstrlen_#t~mem1] 55#L14-1 [78] L14-1-->L14-3: Formula: (> 0 |v_ULTIMATE.start_cstrlen_#t~mem1_6|) InVars {ULTIMATE.start_cstrlen_#t~mem1=|v_ULTIMATE.start_cstrlen_#t~mem1_6|} OutVars{ULTIMATE.start_cstrlen_#t~mem1=|v_ULTIMATE.start_cstrlen_#t~mem1_5|} AuxVars[] AssignedVars[ULTIMATE.start_cstrlen_#t~mem1] 59#L14-3 [50] L14-3-->L14-4: Formula: (and (= v_ULTIMATE.start_cstrlen_~s~0.base_7 v_ULTIMATE.start_cstrlen_~s~0.base_8) (= v_ULTIMATE.start_cstrlen_~s~0.offset_6 (+ v_ULTIMATE.start_cstrlen_~s~0.offset_7 1))) InVars {ULTIMATE.start_cstrlen_~s~0.base=v_ULTIMATE.start_cstrlen_~s~0.base_8, ULTIMATE.start_cstrlen_~s~0.offset=v_ULTIMATE.start_cstrlen_~s~0.offset_7} OutVars{ULTIMATE.start_cstrlen_#t~pre0.offset=|v_ULTIMATE.start_cstrlen_#t~pre0.offset_2|, ULTIMATE.start_cstrlen_~s~0.base=v_ULTIMATE.start_cstrlen_~s~0.base_7, ULTIMATE.start_cstrlen_~s~0.offset=v_ULTIMATE.start_cstrlen_~s~0.offset_6, ULTIMATE.start_cstrlen_#t~pre0.base=|v_ULTIMATE.start_cstrlen_#t~pre0.base_2|} AuxVars[] AssignedVars[ULTIMATE.start_cstrlen_#t~pre0.offset, ULTIMATE.start_cstrlen_~s~0.base, ULTIMATE.start_cstrlen_#t~pre0.base, ULTIMATE.start_cstrlen_~s~0.offset] 54#L14-4 22.77/9.85 [2019-03-28 12:45:36,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 22.77/9.85 [2019-03-28 12:45:36,046 INFO L82 PathProgramCache]: Analyzing trace with hash 3603095, now seen corresponding path program 1 times 22.77/9.85 [2019-03-28 12:45:36,047 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 22.77/9.85 [2019-03-28 12:45:36,047 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 22.77/9.85 [2019-03-28 12:45:36,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:36,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:36,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 22.77/9.85 [2019-03-28 12:45:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 22.77/9.85 [2019-03-28 12:45:36,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 22.77/9.85 [2019-03-28 12:45:36,058 INFO L82 PathProgramCache]: Analyzing trace with hash 73582, now seen corresponding path program 2 times 22.77/9.85 [2019-03-28 12:45:36,058 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 22.77/9.85 [2019-03-28 12:45:36,058 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 22.77/9.85 [2019-03-28 12:45:36,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:36,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:36,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 22.77/9.85 [2019-03-28 12:45:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 22.77/9.85 [2019-03-28 12:45:36,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 22.77/9.85 [2019-03-28 12:45:36,065 INFO L82 PathProgramCache]: Analyzing trace with hash -34335464, now seen corresponding path program 1 times 22.77/9.85 [2019-03-28 12:45:36,065 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 22.77/9.85 [2019-03-28 12:45:36,065 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 22.77/9.85 [2019-03-28 12:45:36,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:36,066 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:36,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 22.77/9.85 [2019-03-28 12:45:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 22.77/9.85 [2019-03-28 12:45:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 22.77/9.85 [2019-03-28 12:45:36,262 INFO L216 LassoAnalysis]: Preferences: 22.77/9.85 [2019-03-28 12:45:36,263 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 22.77/9.85 [2019-03-28 12:45:36,263 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 22.77/9.85 [2019-03-28 12:45:36,264 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 22.77/9.85 [2019-03-28 12:45:36,264 INFO L127 ssoRankerPreferences]: Use exernal solver: false 22.77/9.85 [2019-03-28 12:45:36,264 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 22.77/9.85 [2019-03-28 12:45:36,264 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 22.77/9.85 [2019-03-28 12:45:36,264 INFO L130 ssoRankerPreferences]: Path of dumped script: 22.77/9.85 [2019-03-28 12:45:36,264 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso 22.77/9.85 [2019-03-28 12:45:36,265 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 22.77/9.85 [2019-03-28 12:45:36,265 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 22.77/9.85 [2019-03-28 12:45:36,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 22.77/9.85 [2019-03-28 12:45:36,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 22.77/9.85 [2019-03-28 12:45:36,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 22.77/9.85 [2019-03-28 12:45:36,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 22.77/9.85 [2019-03-28 12:45:36,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 22.77/9.85 [2019-03-28 12:45:36,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 22.77/9.85 [2019-03-28 12:45:36,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 22.77/9.85 [2019-03-28 12:45:36,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 22.77/9.85 [2019-03-28 12:45:36,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 22.77/9.85 [2019-03-28 12:45:36,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 22.77/9.85 [2019-03-28 12:45:36,657 INFO L300 LassoAnalysis]: Preprocessing complete. 22.77/9.85 [2019-03-28 12:45:36,671 INFO L497 LassoAnalysis]: Using template 'affine'. 22.77/9.85 [2019-03-28 12:45:36,675 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 22.77/9.85 Termination analysis: LINEAR_WITH_GUESSES 22.77/9.85 Number of strict supporting invariants: 0 22.77/9.85 Number of non-strict supporting invariants: 1 22.77/9.85 Consider only non-deceasing supporting invariants: true 22.77/9.85 Simplify termination arguments: true 22.77/9.85 Simplify supporting invariants: trueOverapproximate stem: false 22.77/9.85 [2019-03-28 12:45:36,676 INFO L339 nArgumentSynthesizer]: Template has degree 0. 22.77/9.85 [2019-03-28 12:45:36,677 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 22.77/9.85 [2019-03-28 12:45:36,677 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 22.77/9.85 [2019-03-28 12:45:36,677 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 22.77/9.85 [2019-03-28 12:45:36,678 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 22.77/9.85 [2019-03-28 12:45:36,680 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 22.77/9.85 [2019-03-28 12:45:36,680 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 22.77/9.85 [2019-03-28 12:45:36,682 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 22.77/9.85 [2019-03-28 12:45:36,683 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 22.77/9.85 Termination analysis: LINEAR_WITH_GUESSES 22.77/9.85 Number of strict supporting invariants: 0 22.77/9.85 Number of non-strict supporting invariants: 1 22.77/9.85 Consider only non-deceasing supporting invariants: true 22.77/9.85 Simplify termination arguments: true 22.77/9.85 Simplify supporting invariants: trueOverapproximate stem: false 22.77/9.85 [2019-03-28 12:45:36,683 INFO L339 nArgumentSynthesizer]: Template has degree 0. 22.77/9.85 [2019-03-28 12:45:36,683 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 22.77/9.85 [2019-03-28 12:45:36,684 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 22.77/9.85 [2019-03-28 12:45:36,684 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 22.77/9.85 [2019-03-28 12:45:36,684 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 22.77/9.85 [2019-03-28 12:45:36,684 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 22.77/9.85 [2019-03-28 12:45:36,685 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 22.77/9.85 [2019-03-28 12:45:36,685 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 22.77/9.85 [2019-03-28 12:45:36,686 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 22.77/9.85 Termination analysis: LINEAR_WITH_GUESSES 22.77/9.85 Number of strict supporting invariants: 0 22.77/9.85 Number of non-strict supporting invariants: 1 22.77/9.85 Consider only non-deceasing supporting invariants: true 22.77/9.85 Simplify termination arguments: true 22.77/9.85 Simplify supporting invariants: trueOverapproximate stem: false 22.77/9.85 [2019-03-28 12:45:36,686 INFO L339 nArgumentSynthesizer]: Template has degree 0. 22.77/9.85 [2019-03-28 12:45:36,686 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 22.77/9.85 [2019-03-28 12:45:36,686 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 22.77/9.85 [2019-03-28 12:45:36,686 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 22.77/9.85 [2019-03-28 12:45:36,687 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 22.77/9.85 [2019-03-28 12:45:36,687 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 22.77/9.85 [2019-03-28 12:45:36,687 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 22.77/9.85 [2019-03-28 12:45:36,688 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 22.77/9.85 [2019-03-28 12:45:36,688 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 22.77/9.85 Termination analysis: LINEAR_WITH_GUESSES 22.77/9.85 Number of strict supporting invariants: 0 22.77/9.85 Number of non-strict supporting invariants: 1 22.77/9.85 Consider only non-deceasing supporting invariants: true 22.77/9.85 Simplify termination arguments: true 22.77/9.85 Simplify supporting invariants: trueOverapproximate stem: false 22.77/9.85 [2019-03-28 12:45:36,689 INFO L339 nArgumentSynthesizer]: Template has degree 0. 22.77/9.85 [2019-03-28 12:45:36,689 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 22.77/9.85 [2019-03-28 12:45:36,689 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 22.77/9.85 [2019-03-28 12:45:36,689 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 22.77/9.85 [2019-03-28 12:45:36,691 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 22.77/9.85 [2019-03-28 12:45:36,692 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 22.77/9.85 [2019-03-28 12:45:36,694 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 22.77/9.85 [2019-03-28 12:45:36,694 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 22.77/9.85 Termination analysis: LINEAR_WITH_GUESSES 22.77/9.85 Number of strict supporting invariants: 0 22.77/9.85 Number of non-strict supporting invariants: 1 22.77/9.85 Consider only non-deceasing supporting invariants: true 22.77/9.85 Simplify termination arguments: true 22.77/9.85 Simplify supporting invariants: trueOverapproximate stem: false 22.77/9.85 [2019-03-28 12:45:36,695 INFO L339 nArgumentSynthesizer]: Template has degree 0. 22.77/9.85 [2019-03-28 12:45:36,695 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 22.77/9.85 [2019-03-28 12:45:36,695 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 22.77/9.85 [2019-03-28 12:45:36,695 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 22.77/9.85 [2019-03-28 12:45:36,700 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 22.77/9.85 [2019-03-28 12:45:36,701 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 22.77/9.85 [2019-03-28 12:45:36,721 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 22.77/9.85 [2019-03-28 12:45:36,750 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. 22.77/9.85 [2019-03-28 12:45:36,750 INFO L444 ModelExtractionUtils]: 22 out of 28 variables were initially zero. Simplification set additionally 3 variables to zero. 22.77/9.85 [2019-03-28 12:45:36,753 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 22.77/9.85 [2019-03-28 12:45:36,754 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. 22.77/9.85 [2019-03-28 12:45:36,754 INFO L518 LassoAnalysis]: Proved termination. 22.77/9.85 [2019-03-28 12:45:36,755 INFO L520 LassoAnalysis]: Termination argument consisting of: 22.77/9.85 Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc3.base)_1, ULTIMATE.start_cstrlen_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc3.base)_1 - 1*ULTIMATE.start_cstrlen_~s~0.offset 22.77/9.85 Supporting invariants [] 22.77/9.85 [2019-03-28 12:45:36,765 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed 22.77/9.85 [2019-03-28 12:45:36,769 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 22.77/9.85 [2019-03-28 12:45:36,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 22.77/9.85 [2019-03-28 12:45:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 22.77/9.85 [2019-03-28 12:45:36,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 10 conjunts are in the unsatisfiable core 22.77/9.85 [2019-03-28 12:45:36,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... 22.77/9.85 [2019-03-28 12:45:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 22.77/9.85 [2019-03-28 12:45:36,834 WARN L254 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core 22.77/9.85 [2019-03-28 12:45:36,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... 22.77/9.85 [2019-03-28 12:45:36,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 22.77/9.85 [2019-03-28 12:45:36,880 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 22.77/9.85 [2019-03-28 12:45:36,884 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates 22.77/9.85 [2019-03-28 12:45:36,885 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand 4 states. 22.77/9.85 [2019-03-28 12:45:36,941 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 9 transitions. cyclomatic complexity: 3. Second operand 4 states. Result 10 states and 14 transitions. Complement of second has 5 states. 22.77/9.85 [2019-03-28 12:45:36,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states 22.77/9.85 [2019-03-28 12:45:36,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 22.77/9.85 [2019-03-28 12:45:36,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. 22.77/9.85 [2019-03-28 12:45:36,943 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 4 letters. Loop has 3 letters. 22.77/9.85 [2019-03-28 12:45:36,945 INFO L116 BuchiAccepts]: Finished buchiAccepts. 22.77/9.85 [2019-03-28 12:45:36,945 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 7 letters. Loop has 3 letters. 22.77/9.85 [2019-03-28 12:45:36,945 INFO L116 BuchiAccepts]: Finished buchiAccepts. 22.77/9.85 [2019-03-28 12:45:36,945 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 4 letters. Loop has 6 letters. 22.77/9.85 [2019-03-28 12:45:36,946 INFO L116 BuchiAccepts]: Finished buchiAccepts. 22.77/9.85 [2019-03-28 12:45:36,950 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 14 transitions. 22.77/9.85 [2019-03-28 12:45:36,951 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 22.77/9.85 [2019-03-28 12:45:36,951 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 0 states and 0 transitions. 22.77/9.85 [2019-03-28 12:45:36,951 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 22.77/9.85 [2019-03-28 12:45:36,951 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 22.77/9.85 [2019-03-28 12:45:36,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 22.77/9.85 [2019-03-28 12:45:36,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 22.77/9.85 [2019-03-28 12:45:36,952 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 22.77/9.85 [2019-03-28 12:45:36,952 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 22.77/9.85 [2019-03-28 12:45:36,952 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 22.77/9.85 [2019-03-28 12:45:36,952 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 22.77/9.85 [2019-03-28 12:45:36,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 22.77/9.85 [2019-03-28 12:45:36,952 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 22.77/9.85 [2019-03-28 12:45:36,952 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 22.77/9.85 [2019-03-28 12:45:36,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:45:36 BasicIcfg 22.77/9.85 [2019-03-28 12:45:36,958 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 22.77/9.85 [2019-03-28 12:45:36,959 INFO L168 Benchmark]: Toolchain (without parser) took 5315.94 ms. Allocated memory was 649.6 MB in the beginning and 763.9 MB in the end (delta: 114.3 MB). Free memory was 558.0 MB in the beginning and 685.3 MB in the end (delta: -127.2 MB). There was no memory consumed. Max. memory is 50.3 GB. 22.77/9.85 [2019-03-28 12:45:36,960 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 22.77/9.85 [2019-03-28 12:45:36,960 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.26 ms. Allocated memory was 649.6 MB in the beginning and 667.9 MB in the end (delta: 18.4 MB). Free memory was 558.0 MB in the beginning and 634.6 MB in the end (delta: -76.6 MB). Peak memory consumption was 29.3 MB. Max. memory is 50.3 GB. 22.77/9.85 [2019-03-28 12:45:36,961 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.79 ms. Allocated memory is still 667.9 MB. Free memory was 634.6 MB in the beginning and 630.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 50.3 GB. 22.77/9.85 [2019-03-28 12:45:36,961 INFO L168 Benchmark]: Boogie Preprocessor took 26.80 ms. Allocated memory is still 667.9 MB. Free memory was 630.7 MB in the beginning and 629.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 22.77/9.85 [2019-03-28 12:45:36,962 INFO L168 Benchmark]: RCFGBuilder took 269.88 ms. Allocated memory is still 667.9 MB. Free memory was 629.6 MB in the beginning and 611.6 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 50.3 GB. 22.77/9.85 [2019-03-28 12:45:36,962 INFO L168 Benchmark]: BlockEncodingV2 took 102.77 ms. Allocated memory is still 667.9 MB. Free memory was 611.6 MB in the beginning and 605.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 22.77/9.85 [2019-03-28 12:45:36,963 INFO L168 Benchmark]: TraceAbstraction took 3347.35 ms. Allocated memory was 667.9 MB in the beginning and 742.4 MB in the end (delta: 74.4 MB). Free memory was 604.0 MB in the beginning and 520.9 MB in the end (delta: 83.1 MB). Peak memory consumption was 157.5 MB. Max. memory is 50.3 GB. 22.77/9.85 [2019-03-28 12:45:36,963 INFO L168 Benchmark]: BuchiAutomizer took 1206.21 ms. Allocated memory was 742.4 MB in the beginning and 763.9 MB in the end (delta: 21.5 MB). Free memory was 520.9 MB in the beginning and 685.3 MB in the end (delta: -164.3 MB). There was no memory consumed. Max. memory is 50.3 GB. 22.77/9.85 [2019-03-28 12:45:36,968 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 22.77/9.85 --- Results --- 22.77/9.85 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 22.77/9.85 - StatisticsResult: Initial Icfg 22.77/9.85 19 locations, 21 edges 22.77/9.85 - StatisticsResult: Encoded RCFG 22.77/9.85 13 locations, 21 edges 22.77/9.85 * Results from de.uni_freiburg.informatik.ultimate.core: 22.77/9.85 - StatisticsResult: Toolchain Benchmarks 22.77/9.85 Benchmark results are: 22.77/9.85 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 22.77/9.85 * CACSL2BoogieTranslator took 314.26 ms. Allocated memory was 649.6 MB in the beginning and 667.9 MB in the end (delta: 18.4 MB). Free memory was 558.0 MB in the beginning and 634.6 MB in the end (delta: -76.6 MB). Peak memory consumption was 29.3 MB. Max. memory is 50.3 GB. 22.77/9.85 * Boogie Procedure Inliner took 42.79 ms. Allocated memory is still 667.9 MB. Free memory was 634.6 MB in the beginning and 630.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 50.3 GB. 22.77/9.85 * Boogie Preprocessor took 26.80 ms. Allocated memory is still 667.9 MB. Free memory was 630.7 MB in the beginning and 629.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 22.77/9.85 * RCFGBuilder took 269.88 ms. Allocated memory is still 667.9 MB. Free memory was 629.6 MB in the beginning and 611.6 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 50.3 GB. 22.77/9.85 * BlockEncodingV2 took 102.77 ms. Allocated memory is still 667.9 MB. Free memory was 611.6 MB in the beginning and 605.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 22.77/9.85 * TraceAbstraction took 3347.35 ms. Allocated memory was 667.9 MB in the beginning and 742.4 MB in the end (delta: 74.4 MB). Free memory was 604.0 MB in the beginning and 520.9 MB in the end (delta: 83.1 MB). Peak memory consumption was 157.5 MB. Max. memory is 50.3 GB. 22.77/9.85 * BuchiAutomizer took 1206.21 ms. Allocated memory was 742.4 MB in the beginning and 763.9 MB in the end (delta: 21.5 MB). Free memory was 520.9 MB in the beginning and 685.3 MB in the end (delta: -164.3 MB). There was no memory consumed. Max. memory is 50.3 GB. 22.77/9.85 * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: 22.77/9.85 - GenericResult: Unfinished Backtranslation 22.77/9.85 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 - GenericResult: Unfinished Backtranslation 22.77/9.85 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 - GenericResult: Unfinished Backtranslation 22.77/9.85 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 - GenericResult: Unfinished Backtranslation 22.77/9.85 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 - GenericResult: Unfinished Backtranslation 22.77/9.85 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 - GenericResult: Unfinished Backtranslation 22.77/9.85 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 - GenericResult: Unfinished Backtranslation 22.77/9.85 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 - GenericResult: Unfinished Backtranslation 22.77/9.85 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 - GenericResult: Unfinished Backtranslation 22.77/9.85 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 - GenericResult: Unfinished Backtranslation 22.77/9.85 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 - GenericResult: Unfinished Backtranslation 22.77/9.85 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 - GenericResult: Unfinished Backtranslation 22.77/9.85 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: 22.77/9.85 - GenericResult: Unfinished Backtranslation 22.77/9.85 unknown boogie variable #length 22.77/9.85 - GenericResult: Unfinished Backtranslation 22.77/9.85 unknown boogie variable #length 22.77/9.85 - GenericResult: Unfinished Backtranslation 22.77/9.85 unknown boogie variable #memory_int 22.77/9.85 - GenericResult: Unfinished Backtranslation 22.77/9.85 unknown boogie variable #length 22.77/9.85 - GenericResult: Unfinished Backtranslation 22.77/9.85 unknown boogie variable #length 22.77/9.85 - GenericResult: Unfinished Backtranslation 22.77/9.85 unknown boogie variable #memory_int 22.77/9.85 - GenericResult: Unfinished Backtranslation 22.77/9.85 unknown boogie variable #length 22.77/9.85 - GenericResult: Unfinished Backtranslation 22.77/9.85 unknown boogie variable #length 22.77/9.85 - GenericResult: Unfinished Backtranslation 22.77/9.85 unknown boogie variable #length 22.77/9.85 - GenericResult: Unfinished Backtranslation 22.77/9.85 unknown boogie variable #length 22.77/9.85 - GenericResult: Unfinished Backtranslation 22.77/9.85 unknown boogie variable #memory_int 22.77/9.85 - GenericResult: Unfinished Backtranslation 22.77/9.85 unknown boogie variable #length 22.77/9.85 - GenericResult: Unfinished Backtranslation 22.77/9.85 unknown boogie variable #length 22.77/9.85 - GenericResult: Unfinished Backtranslation 22.77/9.85 unknown boogie variable #memory_int 22.77/9.85 - GenericResult: Unfinished Backtranslation 22.77/9.85 unknown boogie variable #length 22.77/9.85 - GenericResult: Unfinished Backtranslation 22.77/9.85 unknown boogie variable #length 22.77/9.85 - GenericResult: Unfinished Backtranslation 22.77/9.85 unknown boogie variable #length 22.77/9.85 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 22.77/9.85 - PositiveResult [Line: 25]: pointer dereference always succeeds 22.77/9.85 For all program executions holds that pointer dereference always succeeds at this location 22.77/9.85 - PositiveResult [Line: 16]: pointer arithmetic is always legal 22.77/9.85 For all program executions holds that pointer arithmetic is always legal at this location 22.77/9.85 - PositiveResult [Line: 25]: pointer dereference always succeeds 22.77/9.85 For all program executions holds that pointer dereference always succeeds at this location 22.77/9.85 - PositiveResult [Line: 14]: pointer dereference always succeeds 22.77/9.85 For all program executions holds that pointer dereference always succeeds at this location 22.77/9.85 - PositiveResult [Line: 14]: pointer dereference always succeeds 22.77/9.85 For all program executions holds that pointer dereference always succeeds at this location 22.77/9.85 - AllSpecificationsHoldResult: All specifications hold 22.77/9.85 5 specifications checked. All of them hold 22.77/9.85 - InvariantResult [Line: 14]: Loop Invariant 22.77/9.85 [2019-03-28 12:45:36,977 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 [2019-03-28 12:45:36,978 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 [2019-03-28 12:45:36,978 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 [2019-03-28 12:45:36,978 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 [2019-03-28 12:45:36,978 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 [2019-03-28 12:45:36,978 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 [2019-03-28 12:45:36,979 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 22.77/9.85 [2019-03-28 12:45:36,979 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 22.77/9.85 [2019-03-28 12:45:36,980 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int 22.77/9.85 [2019-03-28 12:45:36,980 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 22.77/9.85 [2019-03-28 12:45:36,980 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 22.77/9.85 [2019-03-28 12:45:36,980 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int 22.77/9.85 [2019-03-28 12:45:36,981 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 22.77/9.85 [2019-03-28 12:45:36,981 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 22.77/9.85 [2019-03-28 12:45:36,982 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 [2019-03-28 12:45:36,982 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 [2019-03-28 12:45:36,982 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 [2019-03-28 12:45:36,982 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 [2019-03-28 12:45:36,982 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 [2019-03-28 12:45:36,983 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~nondetString1~0.offset,QUANTIFIED] 22.77/9.85 [2019-03-28 12:45:36,983 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 22.77/9.85 [2019-03-28 12:45:36,984 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 22.77/9.85 [2019-03-28 12:45:36,984 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int 22.77/9.85 [2019-03-28 12:45:36,984 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 22.77/9.85 [2019-03-28 12:45:36,985 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 22.77/9.85 [2019-03-28 12:45:36,986 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int 22.77/9.85 [2019-03-28 12:45:36,986 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 22.77/9.85 [2019-03-28 12:45:36,986 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 22.77/9.85 Derived loop invariant: ((((((((1 <= s && 1 <= length1) && 1 == \valid[nondetString1]) && str == s) && s + 1 <= unknown-#length-unknown[s]) && nondetString1 == 0) && length1 == unknown-#length-unknown[nondetString1]) && 1 == \valid[s]) && (\exists ULTIMATE.start_main_~nondetString1~0.offset : int :: (ULTIMATE.start_main_~nondetString1~0.offset <= 0 && 0 <= ULTIMATE.start_main_~nondetString1~0.offset) && 0 == unknown-#memory_int-unknown[s][ULTIMATE.start_main_~nondetString1~0.offset + unknown-#length-unknown[s] + -1])) || ((((((((length1 == unknown-#length-unknown[nondetString1] && 1 <= length1) && 1 == \valid[nondetString1]) && str == s) && nondetString1 == 0) && 1 == \valid[s]) && s == 0) && (\exists ULTIMATE.start_main_~nondetString1~0.offset : int :: (ULTIMATE.start_main_~nondetString1~0.offset <= 0 && 0 <= ULTIMATE.start_main_~nondetString1~0.offset) && 0 == unknown-#memory_int-unknown[s][ULTIMATE.start_main_~nondetString1~0.offset + unknown-#length-unknown[s] + -1])) && 1 <= unknown-#length-unknown[s]) 22.77/9.85 - StatisticsResult: Ultimate Automizer benchmark data 22.77/9.85 CFG has 1 procedures, 13 locations, 5 error locations. SAFE Result, 3.2s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 35 SDtfs, 189 SDslu, 95 SDs, 0 SdLazy, 318 SolverSat, 96 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 14 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 3 NumberOfFragments, 109 HoareAnnotationTreeSize, 1 FomulaSimplifications, 74 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 64 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 101 ConstructedInterpolants, 5 QuantifiedInterpolants, 7234 SizeOfPredicates, 25 NumberOfNonLiveVariables, 229 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 15 InterpolantComputations, 8 PerfectInterpolantSequences, 10/38 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available 22.77/9.85 - StatisticsResult: Constructed decomposition of program 22.77/9.85 Your program was decomposed into 2 terminating modules (1 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function unknown-#length-unknown[alloca(length1 * sizeof(char))] + -1 * s and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. 22.77/9.85 - StatisticsResult: Timing statistics 22.77/9.85 BüchiAutomizer plugin needed 1.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 53 SDslu, 48 SDs, 0 SdLazy, 118 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital111 mio100 ax100 hnf100 lsp94 ukn91 mio100 lsp46 div100 bol100 ite100 ukn100 eq193 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 5ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s 22.77/9.85 - TerminationAnalysisResult: Termination proven 22.77/9.85 Buchi Automizer proved that your program is terminating 22.77/9.85 RESULT: Ultimate proved your program to be correct! 22.77/9.85 22.77/9.85 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:45:37.209 22.77/9.85 !MESSAGE The workspace will exit with unsaved changes in this session. 22.77/9.85 Received shutdown request... 22.77/9.85 Ultimate: 22.77/9.85 GTK+ Version Check 22.77/9.85 EOF