11.94/5.81 YES 11.94/5.81 11.94/5.81 Ultimate: Cannot open display: 11.94/5.81 This is Ultimate 0.1.24-8dc7c08-m 11.94/5.81 [2019-03-28 12:00:15,695 INFO L170 SettingsManager]: Resetting all preferences to default values... 11.94/5.81 [2019-03-28 12:00:15,697 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 11.94/5.81 [2019-03-28 12:00:15,709 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 11.94/5.81 [2019-03-28 12:00:15,709 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 11.94/5.81 [2019-03-28 12:00:15,710 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 11.94/5.81 [2019-03-28 12:00:15,711 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 11.94/5.81 [2019-03-28 12:00:15,713 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 11.94/5.81 [2019-03-28 12:00:15,714 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 11.94/5.81 [2019-03-28 12:00:15,715 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 11.94/5.81 [2019-03-28 12:00:15,716 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 11.94/5.81 [2019-03-28 12:00:15,716 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 11.94/5.81 [2019-03-28 12:00:15,717 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 11.94/5.81 [2019-03-28 12:00:15,718 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 11.94/5.81 [2019-03-28 12:00:15,719 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 11.94/5.81 [2019-03-28 12:00:15,720 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 11.94/5.81 [2019-03-28 12:00:15,721 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 11.94/5.81 [2019-03-28 12:00:15,722 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 11.94/5.81 [2019-03-28 12:00:15,724 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 11.94/5.81 [2019-03-28 12:00:15,726 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 11.94/5.81 [2019-03-28 12:00:15,727 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 11.94/5.81 [2019-03-28 12:00:15,728 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 11.94/5.81 [2019-03-28 12:00:15,730 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 11.94/5.81 [2019-03-28 12:00:15,730 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 11.94/5.81 [2019-03-28 12:00:15,730 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 11.94/5.81 [2019-03-28 12:00:15,731 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 11.94/5.81 [2019-03-28 12:00:15,731 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 11.94/5.81 [2019-03-28 12:00:15,732 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 11.94/5.81 [2019-03-28 12:00:15,733 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 11.94/5.81 [2019-03-28 12:00:15,733 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 11.94/5.81 [2019-03-28 12:00:15,734 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 11.94/5.81 [2019-03-28 12:00:15,735 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 11.94/5.81 [2019-03-28 12:00:15,736 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 11.94/5.81 [2019-03-28 12:00:15,736 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 11.94/5.81 [2019-03-28 12:00:15,736 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 11.94/5.81 [2019-03-28 12:00:15,737 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 11.94/5.81 [2019-03-28 12:00:15,737 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 11.94/5.81 [2019-03-28 12:00:15,738 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 11.94/5.81 [2019-03-28 12:00:15,738 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 11.94/5.81 [2019-03-28 12:00:15,739 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 11.94/5.81 [2019-03-28 12:00:15,753 INFO L110 SettingsManager]: Loading preferences was successful 11.94/5.81 [2019-03-28 12:00:15,754 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 11.94/5.81 [2019-03-28 12:00:15,755 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 11.94/5.81 [2019-03-28 12:00:15,755 INFO L133 SettingsManager]: * Rewrite not-equals=true 11.94/5.81 [2019-03-28 12:00:15,755 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 11.94/5.81 [2019-03-28 12:00:15,755 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 11.94/5.81 [2019-03-28 12:00:15,755 INFO L133 SettingsManager]: * Use SBE=true 11.94/5.81 [2019-03-28 12:00:15,755 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 11.94/5.81 [2019-03-28 12:00:15,756 INFO L133 SettingsManager]: * Use old map elimination=false 11.94/5.81 [2019-03-28 12:00:15,756 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 11.94/5.81 [2019-03-28 12:00:15,756 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 11.94/5.81 [2019-03-28 12:00:15,756 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 11.94/5.81 [2019-03-28 12:00:15,756 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 11.94/5.81 [2019-03-28 12:00:15,756 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 11.94/5.81 [2019-03-28 12:00:15,757 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.94/5.81 [2019-03-28 12:00:15,757 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 11.94/5.81 [2019-03-28 12:00:15,757 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 11.94/5.81 [2019-03-28 12:00:15,757 INFO L133 SettingsManager]: * Check division by zero=IGNORE 11.94/5.81 [2019-03-28 12:00:15,757 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 11.94/5.81 [2019-03-28 12:00:15,757 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 11.94/5.81 [2019-03-28 12:00:15,758 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 11.94/5.81 [2019-03-28 12:00:15,758 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 11.94/5.81 [2019-03-28 12:00:15,758 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 11.94/5.81 [2019-03-28 12:00:15,758 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 11.94/5.81 [2019-03-28 12:00:15,758 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.94/5.81 [2019-03-28 12:00:15,759 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 11.94/5.81 [2019-03-28 12:00:15,759 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 11.94/5.81 [2019-03-28 12:00:15,759 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 11.94/5.81 [2019-03-28 12:00:15,759 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 11.94/5.81 [2019-03-28 12:00:15,785 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 11.94/5.81 [2019-03-28 12:00:15,799 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 11.94/5.81 [2019-03-28 12:00:15,803 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 11.94/5.81 [2019-03-28 12:00:15,804 INFO L271 PluginConnector]: Initializing CDTParser... 11.94/5.81 [2019-03-28 12:00:15,805 INFO L276 PluginConnector]: CDTParser initialized 11.94/5.81 [2019-03-28 12:00:15,806 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 11.94/5.81 [2019-03-28 12:00:15,877 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/d10983c030f743608e54eea6a85ba16d/FLAG865bcc33c 11.94/5.81 [2019-03-28 12:00:16,208 INFO L307 CDTParser]: Found 1 translation units. 11.94/5.81 [2019-03-28 12:00:16,208 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 11.94/5.81 [2019-03-28 12:00:16,215 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/d10983c030f743608e54eea6a85ba16d/FLAG865bcc33c 11.94/5.81 [2019-03-28 12:00:16,646 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/d10983c030f743608e54eea6a85ba16d 11.94/5.81 [2019-03-28 12:00:16,657 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 11.94/5.81 [2019-03-28 12:00:16,659 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 11.94/5.81 [2019-03-28 12:00:16,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 11.94/5.81 [2019-03-28 12:00:16,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 11.94/5.81 [2019-03-28 12:00:16,664 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 11.94/5.81 [2019-03-28 12:00:16,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:00:16" (1/1) ... 11.94/5.81 [2019-03-28 12:00:16,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@238689db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:16, skipping insertion in model container 11.94/5.81 [2019-03-28 12:00:16,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:00:16" (1/1) ... 11.94/5.81 [2019-03-28 12:00:16,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 11.94/5.81 [2019-03-28 12:00:16,692 INFO L176 MainTranslator]: Built tables and reachable declarations 11.94/5.81 [2019-03-28 12:00:16,845 INFO L206 PostProcessor]: Analyzing one entry point: main 11.94/5.81 [2019-03-28 12:00:16,849 INFO L191 MainTranslator]: Completed pre-run 11.94/5.81 [2019-03-28 12:00:16,864 INFO L206 PostProcessor]: Analyzing one entry point: main 11.94/5.81 [2019-03-28 12:00:16,931 INFO L195 MainTranslator]: Completed translation 11.94/5.81 [2019-03-28 12:00:16,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:16 WrapperNode 11.94/5.81 [2019-03-28 12:00:16,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 11.94/5.81 [2019-03-28 12:00:16,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 11.94/5.81 [2019-03-28 12:00:16,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 11.94/5.81 [2019-03-28 12:00:16,933 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 11.94/5.81 [2019-03-28 12:00:16,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:16" (1/1) ... 11.94/5.81 [2019-03-28 12:00:16,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:16" (1/1) ... 11.94/5.81 [2019-03-28 12:00:16,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 11.94/5.81 [2019-03-28 12:00:16,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 11.94/5.81 [2019-03-28 12:00:16,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 11.94/5.81 [2019-03-28 12:00:16,969 INFO L276 PluginConnector]: Boogie Preprocessor initialized 11.94/5.81 [2019-03-28 12:00:16,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:16" (1/1) ... 11.94/5.81 [2019-03-28 12:00:16,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:16" (1/1) ... 11.94/5.81 [2019-03-28 12:00:16,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:16" (1/1) ... 11.94/5.81 [2019-03-28 12:00:16,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:16" (1/1) ... 11.94/5.81 [2019-03-28 12:00:16,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:16" (1/1) ... 11.94/5.81 [2019-03-28 12:00:16,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:16" (1/1) ... 11.94/5.81 [2019-03-28 12:00:16,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:16" (1/1) ... 11.94/5.81 [2019-03-28 12:00:16,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 11.94/5.81 [2019-03-28 12:00:16,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 11.94/5.81 [2019-03-28 12:00:16,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... 11.94/5.81 [2019-03-28 12:00:16,989 INFO L276 PluginConnector]: RCFGBuilder initialized 11.94/5.81 [2019-03-28 12:00:16,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:16" (1/1) ... 11.94/5.81 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 11.94/5.81 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 11.94/5.81 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.94/5.81 [2019-03-28 12:00:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 11.94/5.81 [2019-03-28 12:00:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 11.94/5.81 [2019-03-28 12:00:17,175 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 11.94/5.81 [2019-03-28 12:00:17,175 INFO L286 CfgBuilder]: Removed 9 assue(true) statements. 11.94/5.81 [2019-03-28 12:00:17,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:00:17 BoogieIcfgContainer 11.94/5.81 [2019-03-28 12:00:17,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 11.94/5.81 [2019-03-28 12:00:17,177 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 11.94/5.81 [2019-03-28 12:00:17,178 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 11.94/5.81 [2019-03-28 12:00:17,180 INFO L276 PluginConnector]: BlockEncodingV2 initialized 11.94/5.81 [2019-03-28 12:00:17,180 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:00:17" (1/1) ... 11.94/5.81 [2019-03-28 12:00:17,194 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 10 edges 11.94/5.81 [2019-03-28 12:00:17,196 INFO L258 BlockEncoder]: Using Remove infeasible edges 11.94/5.81 [2019-03-28 12:00:17,197 INFO L263 BlockEncoder]: Using Maximize final states 11.94/5.81 [2019-03-28 12:00:17,197 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 11.94/5.81 [2019-03-28 12:00:17,198 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 11.94/5.81 [2019-03-28 12:00:17,199 INFO L296 BlockEncoder]: Using Remove sink states 11.94/5.81 [2019-03-28 12:00:17,200 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 11.94/5.81 [2019-03-28 12:00:17,201 INFO L179 BlockEncoder]: Using Rewrite not-equals 11.94/5.81 [2019-03-28 12:00:17,215 INFO L185 BlockEncoder]: Using Use SBE 11.94/5.81 [2019-03-28 12:00:17,229 INFO L200 BlockEncoder]: SBE split 1 edges 11.94/5.81 [2019-03-28 12:00:17,233 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 11.94/5.81 [2019-03-28 12:00:17,235 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.94/5.81 [2019-03-28 12:00:17,247 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 11.94/5.81 [2019-03-28 12:00:17,249 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 11.94/5.81 [2019-03-28 12:00:17,251 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 11.94/5.81 [2019-03-28 12:00:17,251 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.94/5.81 [2019-03-28 12:00:17,251 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 11.94/5.81 [2019-03-28 12:00:17,251 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.94/5.81 [2019-03-28 12:00:17,252 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges 11.94/5.81 [2019-03-28 12:00:17,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:00:17 BasicIcfg 11.94/5.81 [2019-03-28 12:00:17,252 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 11.94/5.81 [2019-03-28 12:00:17,253 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 11.94/5.81 [2019-03-28 12:00:17,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... 11.94/5.81 [2019-03-28 12:00:17,256 INFO L276 PluginConnector]: TraceAbstraction initialized 11.94/5.81 [2019-03-28 12:00:17,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:00:16" (1/4) ... 11.94/5.81 [2019-03-28 12:00:17,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7a2940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:00:17, skipping insertion in model container 11.94/5.81 [2019-03-28 12:00:17,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:16" (2/4) ... 11.94/5.81 [2019-03-28 12:00:17,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7a2940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:00:17, skipping insertion in model container 11.94/5.81 [2019-03-28 12:00:17,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:00:17" (3/4) ... 11.94/5.81 [2019-03-28 12:00:17,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7a2940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:00:17, skipping insertion in model container 11.94/5.81 [2019-03-28 12:00:17,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:00:17" (4/4) ... 11.94/5.81 [2019-03-28 12:00:17,260 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.94/5.81 [2019-03-28 12:00:17,270 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 11.94/5.81 [2019-03-28 12:00:17,278 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 11.94/5.81 [2019-03-28 12:00:17,296 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 11.94/5.81 [2019-03-28 12:00:17,324 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.94/5.81 [2019-03-28 12:00:17,325 INFO L382 AbstractCegarLoop]: Interprodecural is true 11.94/5.81 [2019-03-28 12:00:17,325 INFO L383 AbstractCegarLoop]: Hoare is true 11.94/5.81 [2019-03-28 12:00:17,325 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 11.94/5.81 [2019-03-28 12:00:17,325 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 11.94/5.81 [2019-03-28 12:00:17,325 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.94/5.81 [2019-03-28 12:00:17,326 INFO L387 AbstractCegarLoop]: Difference is false 11.94/5.81 [2019-03-28 12:00:17,326 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 11.94/5.81 [2019-03-28 12:00:17,326 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 11.94/5.81 [2019-03-28 12:00:17,340 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 11.94/5.81 [2019-03-28 12:00:17,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 11.94/5.81 [2019-03-28 12:00:17,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 11.94/5.81 [2019-03-28 12:00:17,397 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 11.94/5.81 [2019-03-28 12:00:17,397 INFO L451 ceAbstractionStarter]: At program point L14-1(lines 14 28) the Hoare annotation is: true 11.94/5.81 [2019-03-28 12:00:17,397 INFO L448 ceAbstractionStarter]: For program point L23(lines 23 27) no Hoare annotation was computed. 11.94/5.81 [2019-03-28 12:00:17,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:00:17 BasicIcfg 11.94/5.81 [2019-03-28 12:00:17,405 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 11.94/5.81 [2019-03-28 12:00:17,406 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 11.94/5.81 [2019-03-28 12:00:17,406 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 11.94/5.81 [2019-03-28 12:00:17,409 INFO L276 PluginConnector]: BuchiAutomizer initialized 11.94/5.81 [2019-03-28 12:00:17,410 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.94/5.81 [2019-03-28 12:00:17,410 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:00:16" (1/5) ... 11.94/5.81 [2019-03-28 12:00:17,411 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f5a0a2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:00:17, skipping insertion in model container 11.94/5.81 [2019-03-28 12:00:17,411 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.94/5.81 [2019-03-28 12:00:17,411 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:16" (2/5) ... 11.94/5.81 [2019-03-28 12:00:17,411 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f5a0a2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:00:17, skipping insertion in model container 11.94/5.81 [2019-03-28 12:00:17,412 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.94/5.81 [2019-03-28 12:00:17,412 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:00:17" (3/5) ... 11.94/5.81 [2019-03-28 12:00:17,412 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f5a0a2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:00:17, skipping insertion in model container 11.94/5.81 [2019-03-28 12:00:17,412 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.94/5.81 [2019-03-28 12:00:17,412 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:00:17" (4/5) ... 11.94/5.81 [2019-03-28 12:00:17,413 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f5a0a2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:00:17, skipping insertion in model container 11.94/5.81 [2019-03-28 12:00:17,413 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.94/5.81 [2019-03-28 12:00:17,413 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:00:17" (5/5) ... 11.94/5.81 [2019-03-28 12:00:17,415 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.94/5.81 [2019-03-28 12:00:17,440 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.94/5.81 [2019-03-28 12:00:17,441 INFO L374 BuchiCegarLoop]: Interprodecural is true 11.94/5.81 [2019-03-28 12:00:17,441 INFO L375 BuchiCegarLoop]: Hoare is true 11.94/5.81 [2019-03-28 12:00:17,441 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 11.94/5.81 [2019-03-28 12:00:17,441 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 11.94/5.81 [2019-03-28 12:00:17,441 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.94/5.81 [2019-03-28 12:00:17,442 INFO L379 BuchiCegarLoop]: Difference is false 11.94/5.81 [2019-03-28 12:00:17,442 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 11.94/5.81 [2019-03-28 12:00:17,442 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 11.94/5.81 [2019-03-28 12:00:17,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 11.94/5.81 [2019-03-28 12:00:17,463 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 11.94/5.81 [2019-03-28 12:00:17,464 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.94/5.81 [2019-03-28 12:00:17,464 INFO L119 BuchiIsEmpty]: Starting construction of run 11.94/5.81 [2019-03-28 12:00:17,470 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 11.94/5.81 [2019-03-28 12:00:17,471 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 11.94/5.81 [2019-03-28 12:00:17,471 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 11.94/5.81 [2019-03-28 12:00:17,471 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 11.94/5.81 [2019-03-28 12:00:17,472 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 11.94/5.81 [2019-03-28 12:00:17,472 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.94/5.81 [2019-03-28 12:00:17,472 INFO L119 BuchiIsEmpty]: Starting construction of run 11.94/5.81 [2019-03-28 12:00:17,472 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 11.94/5.81 [2019-03-28 12:00:17,472 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 11.94/5.81 [2019-03-28 12:00:17,477 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [41] ULTIMATE.startENTRY-->L14-1: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_4|, ~x~0=v_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ~x~0] 5#L14-1true 11.94/5.81 [2019-03-28 12:00:17,478 INFO L796 eck$LassoCheckResult]: Loop: 5#L14-1true [33] L14-1-->L23: Formula: (< 0 v_~x~0_6) InVars {~x~0=v_~x~0_6} OutVars{~x~0=v_~x~0_6} AuxVars[] AssignedVars[] 4#L23true [39] L23-->L14-1: Formula: (and (= v_~x~0_8 (+ v_~x~0_7 1)) (> 0 |v_ULTIMATE.start_main_#t~nondet2_5|)) InVars {~x~0=v_~x~0_8, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|} OutVars{ULTIMATE.start_foo_#t~post0=|v_ULTIMATE.start_foo_#t~post0_4|, ~x~0=v_~x~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|} AuxVars[] AssignedVars[ULTIMATE.start_foo_#t~post0, ULTIMATE.start_main_#t~nondet2, ~x~0] 5#L14-1true 11.94/5.81 [2019-03-28 12:00:17,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.94/5.81 [2019-03-28 12:00:17,484 INFO L82 PathProgramCache]: Analyzing trace with hash 72, now seen corresponding path program 1 times 11.94/5.81 [2019-03-28 12:00:17,486 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.94/5.81 [2019-03-28 12:00:17,487 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.94/5.81 [2019-03-28 12:00:17,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.94/5.81 [2019-03-28 12:00:17,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.94/5.81 [2019-03-28 12:00:17,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.94/5.81 [2019-03-28 12:00:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.94/5.81 [2019-03-28 12:00:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.94/5.81 [2019-03-28 12:00:17,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.94/5.81 [2019-03-28 12:00:17,543 INFO L82 PathProgramCache]: Analyzing trace with hash 2023, now seen corresponding path program 1 times 11.94/5.81 [2019-03-28 12:00:17,543 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.94/5.81 [2019-03-28 12:00:17,543 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.94/5.81 [2019-03-28 12:00:17,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.94/5.81 [2019-03-28 12:00:17,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.94/5.81 [2019-03-28 12:00:17,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.94/5.81 [2019-03-28 12:00:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.94/5.81 [2019-03-28 12:00:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.94/5.81 [2019-03-28 12:00:17,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.94/5.81 [2019-03-28 12:00:17,566 INFO L82 PathProgramCache]: Analyzing trace with hash 70254, now seen corresponding path program 1 times 11.94/5.81 [2019-03-28 12:00:17,566 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.94/5.81 [2019-03-28 12:00:17,567 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.94/5.81 [2019-03-28 12:00:17,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.94/5.81 [2019-03-28 12:00:17,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.94/5.81 [2019-03-28 12:00:17,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.94/5.81 [2019-03-28 12:00:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.94/5.81 [2019-03-28 12:00:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.94/5.81 [2019-03-28 12:00:17,612 INFO L216 LassoAnalysis]: Preferences: 11.94/5.81 [2019-03-28 12:00:17,614 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 11.94/5.81 [2019-03-28 12:00:17,614 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 11.94/5.81 [2019-03-28 12:00:17,614 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 11.94/5.81 [2019-03-28 12:00:17,614 INFO L127 ssoRankerPreferences]: Use exernal solver: true 11.94/5.81 [2019-03-28 12:00:17,614 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.94/5.81 [2019-03-28 12:00:17,614 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 11.94/5.81 [2019-03-28 12:00:17,615 INFO L130 ssoRankerPreferences]: Path of dumped script: 11.94/5.81 [2019-03-28 12:00:17,615 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 11.94/5.81 [2019-03-28 12:00:17,615 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 11.94/5.81 [2019-03-28 12:00:17,615 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 11.94/5.81 [2019-03-28 12:00:17,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 11.94/5.81 [2019-03-28 12:00:17,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 11.94/5.81 [2019-03-28 12:00:17,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 11.94/5.81 [2019-03-28 12:00:17,695 INFO L300 LassoAnalysis]: Preprocessing complete. 11.94/5.81 [2019-03-28 12:00:17,695 INFO L412 LassoAnalysis]: Checking for nontermination... 11.94/5.81 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 11.94/5.81 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 11.94/5.81 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.94/5.81 [2019-03-28 12:00:17,702 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 11.94/5.81 [2019-03-28 12:00:17,702 INFO L163 nArgumentSynthesizer]: Using integer mode. 11.94/5.81 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 11.94/5.81 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 11.94/5.81 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.94/5.81 [2019-03-28 12:00:17,735 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 11.94/5.81 [2019-03-28 12:00:17,735 INFO L163 nArgumentSynthesizer]: Using integer mode. 11.94/5.81 [2019-03-28 12:00:17,767 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 11.94/5.81 [2019-03-28 12:00:17,770 INFO L216 LassoAnalysis]: Preferences: 11.94/5.81 [2019-03-28 12:00:17,770 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 11.94/5.81 [2019-03-28 12:00:17,770 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 11.94/5.81 [2019-03-28 12:00:17,770 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 11.94/5.81 [2019-03-28 12:00:17,770 INFO L127 ssoRankerPreferences]: Use exernal solver: false 11.94/5.81 [2019-03-28 12:00:17,771 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 11.94/5.81 [2019-03-28 12:00:17,771 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 11.94/5.81 [2019-03-28 12:00:17,771 INFO L130 ssoRankerPreferences]: Path of dumped script: 11.94/5.81 [2019-03-28 12:00:17,771 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 11.94/5.81 [2019-03-28 12:00:17,771 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 11.94/5.81 [2019-03-28 12:00:17,771 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 11.94/5.81 [2019-03-28 12:00:17,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 11.94/5.81 [2019-03-28 12:00:17,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 11.94/5.81 [2019-03-28 12:00:17,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 11.94/5.81 [2019-03-28 12:00:17,817 INFO L300 LassoAnalysis]: Preprocessing complete. 11.94/5.81 [2019-03-28 12:00:17,823 INFO L497 LassoAnalysis]: Using template 'affine'. 11.94/5.81 [2019-03-28 12:00:17,825 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 11.94/5.81 Termination analysis: LINEAR_WITH_GUESSES 11.94/5.81 Number of strict supporting invariants: 0 11.94/5.81 Number of non-strict supporting invariants: 1 11.94/5.81 Consider only non-deceasing supporting invariants: true 11.94/5.81 Simplify termination arguments: true 11.94/5.81 Simplify supporting invariants: trueOverapproximate stem: false 11.94/5.81 [2019-03-28 12:00:17,826 INFO L339 nArgumentSynthesizer]: Template has degree 0. 11.94/5.81 [2019-03-28 12:00:17,827 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 11.94/5.81 [2019-03-28 12:00:17,827 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 11.94/5.81 [2019-03-28 12:00:17,827 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 11.94/5.81 [2019-03-28 12:00:17,828 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 11.94/5.81 [2019-03-28 12:00:17,830 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 11.94/5.81 [2019-03-28 12:00:17,830 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 11.94/5.81 [2019-03-28 12:00:17,839 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 11.94/5.81 [2019-03-28 12:00:17,845 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 11.94/5.81 [2019-03-28 12:00:17,846 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 11.94/5.81 [2019-03-28 12:00:17,848 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 11.94/5.81 [2019-03-28 12:00:17,848 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 11.94/5.81 [2019-03-28 12:00:17,849 INFO L518 LassoAnalysis]: Proved termination. 11.94/5.81 [2019-03-28 12:00:17,849 INFO L520 LassoAnalysis]: Termination argument consisting of: 11.94/5.81 Ranking function f(~x~0) = 1*~x~0 11.94/5.81 Supporting invariants [] 11.94/5.81 [2019-03-28 12:00:17,851 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 11.94/5.81 [2019-03-28 12:00:17,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.94/5.81 [2019-03-28 12:00:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 11.94/5.81 [2019-03-28 12:00:17,889 WARN L254 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 2 conjunts are in the unsatisfiable core 11.94/5.81 [2019-03-28 12:00:17,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... 11.94/5.81 [2019-03-28 12:00:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 11.94/5.81 [2019-03-28 12:00:17,903 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 11.94/5.81 [2019-03-28 12:00:17,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... 11.94/5.81 [2019-03-28 12:00:17,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 11.94/5.81 [2019-03-28 12:00:17,945 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 11.94/5.81 [2019-03-28 12:00:17,950 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 11.94/5.81 [2019-03-28 12:00:17,951 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 11.94/5.81 [2019-03-28 12:00:17,991 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 5 states and 8 transitions. Complement of second has 4 states. 11.94/5.81 [2019-03-28 12:00:17,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 11.94/5.81 [2019-03-28 12:00:17,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 11.94/5.81 [2019-03-28 12:00:17,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. 11.94/5.81 [2019-03-28 12:00:17,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. 11.94/5.81 [2019-03-28 12:00:17,997 INFO L116 BuchiAccepts]: Finished buchiAccepts. 11.94/5.81 [2019-03-28 12:00:17,998 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 3 letters. Loop has 2 letters. 11.94/5.81 [2019-03-28 12:00:17,998 INFO L116 BuchiAccepts]: Finished buchiAccepts. 11.94/5.81 [2019-03-28 12:00:17,998 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 1 letters. Loop has 4 letters. 11.94/5.81 [2019-03-28 12:00:17,998 INFO L116 BuchiAccepts]: Finished buchiAccepts. 11.94/5.81 [2019-03-28 12:00:18,005 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 8 transitions. 11.94/5.81 [2019-03-28 12:00:18,006 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 11.94/5.81 [2019-03-28 12:00:18,009 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 0 states and 0 transitions. 11.94/5.81 [2019-03-28 12:00:18,010 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 11.94/5.81 [2019-03-28 12:00:18,010 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 11.94/5.81 [2019-03-28 12:00:18,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 11.94/5.81 [2019-03-28 12:00:18,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 11.94/5.81 [2019-03-28 12:00:18,011 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 11.94/5.81 [2019-03-28 12:00:18,012 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 11.94/5.81 [2019-03-28 12:00:18,012 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 11.94/5.81 [2019-03-28 12:00:18,012 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 11.94/5.81 [2019-03-28 12:00:18,012 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 11.94/5.81 [2019-03-28 12:00:18,012 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 11.94/5.81 [2019-03-28 12:00:18,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 11.94/5.81 [2019-03-28 12:00:18,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:00:18 BasicIcfg 11.94/5.81 [2019-03-28 12:00:18,018 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 11.94/5.81 [2019-03-28 12:00:18,018 INFO L168 Benchmark]: Toolchain (without parser) took 1360.74 ms. Allocated memory was 649.6 MB in the beginning and 651.2 MB in the end (delta: 1.6 MB). Free memory was 565.2 MB in the beginning and 528.4 MB in the end (delta: 36.7 MB). Peak memory consumption was 38.3 MB. Max. memory is 50.3 GB. 11.94/5.81 [2019-03-28 12:00:18,020 INFO L168 Benchmark]: CDTParser took 0.17 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. 11.94/5.81 [2019-03-28 12:00:18,021 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.80 ms. Allocated memory was 649.6 MB in the beginning and 651.2 MB in the end (delta: 1.6 MB). Free memory was 563.8 MB in the beginning and 618.7 MB in the end (delta: -54.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 50.3 GB. 11.94/5.81 [2019-03-28 12:00:18,022 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.27 ms. Allocated memory is still 651.2 MB. Free memory was 618.7 MB in the beginning and 617.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 11.94/5.81 [2019-03-28 12:00:18,022 INFO L168 Benchmark]: Boogie Preprocessor took 19.95 ms. Allocated memory is still 651.2 MB. Free memory was 617.4 MB in the beginning and 614.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 11.94/5.81 [2019-03-28 12:00:18,023 INFO L168 Benchmark]: RCFGBuilder took 188.14 ms. Allocated memory is still 651.2 MB. Free memory was 614.3 MB in the beginning and 601.3 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 50.3 GB. 11.94/5.81 [2019-03-28 12:00:18,024 INFO L168 Benchmark]: BlockEncodingV2 took 75.07 ms. Allocated memory is still 651.2 MB. Free memory was 601.3 MB in the beginning and 595.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 11.94/5.81 [2019-03-28 12:00:18,024 INFO L168 Benchmark]: TraceAbstraction took 151.76 ms. Allocated memory is still 651.2 MB. Free memory was 595.9 MB in the beginning and 587.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 11.94/5.81 [2019-03-28 12:00:18,025 INFO L168 Benchmark]: BuchiAutomizer took 612.58 ms. Allocated memory is still 651.2 MB. Free memory was 587.8 MB in the beginning and 528.4 MB in the end (delta: 59.3 MB). Peak memory consumption was 59.3 MB. Max. memory is 50.3 GB. 11.94/5.81 [2019-03-28 12:00:18,029 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 11.94/5.81 --- Results --- 11.94/5.81 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 11.94/5.81 - StatisticsResult: Initial Icfg 11.94/5.81 8 locations, 10 edges 11.94/5.81 - StatisticsResult: Encoded RCFG 11.94/5.81 3 locations, 5 edges 11.94/5.81 * Results from de.uni_freiburg.informatik.ultimate.core: 11.94/5.81 - StatisticsResult: Toolchain Benchmarks 11.94/5.81 Benchmark results are: 11.94/5.81 * CDTParser took 0.17 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. 11.94/5.81 * CACSL2BoogieTranslator took 272.80 ms. Allocated memory was 649.6 MB in the beginning and 651.2 MB in the end (delta: 1.6 MB). Free memory was 563.8 MB in the beginning and 618.7 MB in the end (delta: -54.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 50.3 GB. 11.94/5.81 * Boogie Procedure Inliner took 35.27 ms. Allocated memory is still 651.2 MB. Free memory was 618.7 MB in the beginning and 617.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 11.94/5.81 * Boogie Preprocessor took 19.95 ms. Allocated memory is still 651.2 MB. Free memory was 617.4 MB in the beginning and 614.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 11.94/5.81 * RCFGBuilder took 188.14 ms. Allocated memory is still 651.2 MB. Free memory was 614.3 MB in the beginning and 601.3 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 50.3 GB. 11.94/5.81 * BlockEncodingV2 took 75.07 ms. Allocated memory is still 651.2 MB. Free memory was 601.3 MB in the beginning and 595.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 11.94/5.81 * TraceAbstraction took 151.76 ms. Allocated memory is still 651.2 MB. Free memory was 595.9 MB in the beginning and 587.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 11.94/5.81 * BuchiAutomizer took 612.58 ms. Allocated memory is still 651.2 MB. Free memory was 587.8 MB in the beginning and 528.4 MB in the end (delta: 59.3 MB). Peak memory consumption was 59.3 MB. Max. memory is 50.3 GB. 11.94/5.81 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 11.94/5.81 - AllSpecificationsHoldResult: All specifications hold 11.94/5.81 We were not able to verify any specifiation because the program does not contain any specification. 11.94/5.81 - InvariantResult [Line: 14]: Loop Invariant 11.94/5.81 Derived loop invariant: 1 11.94/5.81 - StatisticsResult: Ultimate Automizer benchmark data 11.94/5.81 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, 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: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 11.94/5.81 - StatisticsResult: Constructed decomposition of program 11.94/5.81 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function x and consists of 3 locations. 11.94/5.81 - StatisticsResult: Timing statistics 11.94/5.81 BüchiAutomizer plugin needed 0.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 3 SDtfs, 6 SDslu, 0 SDs, 0 SdLazy, 11 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp76 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 24ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s 11.94/5.81 - TerminationAnalysisResult: Termination proven 11.94/5.81 Buchi Automizer proved that your program is terminating 11.94/5.81 RESULT: Ultimate proved your program to be correct! 11.94/5.81 !SESSION 2019-03-28 12:00:13.377 ----------------------------------------------- 11.94/5.81 eclipse.buildId=unknown 11.94/5.81 java.version=1.8.0_181 11.94/5.81 java.vendor=Oracle Corporation 11.94/5.81 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 11.94/5.81 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 11.94/5.81 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 11.94/5.81 11.94/5.81 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:00:18.262 11.94/5.81 !MESSAGE The workspace will exit with unsaved changes in this session. 11.94/5.81 Received shutdown request... 11.94/5.81 Ultimate: 11.94/5.81 GTK+ Version Check 11.94/5.81 EOF