13.19/6.35 YES 13.19/6.35 13.19/6.35 Ultimate: Cannot open display: 13.19/6.35 This is Ultimate 0.1.24-8dc7c08-m 13.19/6.35 [2019-03-28 22:37:15,726 INFO L170 SettingsManager]: Resetting all preferences to default values... 13.19/6.35 [2019-03-28 22:37:15,728 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 13.19/6.35 [2019-03-28 22:37:15,739 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 13.19/6.35 [2019-03-28 22:37:15,740 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 13.19/6.35 [2019-03-28 22:37:15,741 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 13.19/6.35 [2019-03-28 22:37:15,742 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 13.19/6.35 [2019-03-28 22:37:15,743 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 13.19/6.35 [2019-03-28 22:37:15,745 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 13.19/6.35 [2019-03-28 22:37:15,746 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 13.19/6.35 [2019-03-28 22:37:15,747 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 13.19/6.35 [2019-03-28 22:37:15,747 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 13.19/6.35 [2019-03-28 22:37:15,748 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 13.19/6.35 [2019-03-28 22:37:15,749 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 13.19/6.35 [2019-03-28 22:37:15,750 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 13.19/6.35 [2019-03-28 22:37:15,751 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 13.19/6.35 [2019-03-28 22:37:15,751 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 13.19/6.35 [2019-03-28 22:37:15,753 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 13.19/6.35 [2019-03-28 22:37:15,755 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 13.19/6.35 [2019-03-28 22:37:15,756 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 13.19/6.35 [2019-03-28 22:37:15,757 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 13.19/6.35 [2019-03-28 22:37:15,759 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 13.19/6.35 [2019-03-28 22:37:15,761 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 13.19/6.35 [2019-03-28 22:37:15,761 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 13.19/6.35 [2019-03-28 22:37:15,761 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 13.19/6.35 [2019-03-28 22:37:15,762 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 13.19/6.35 [2019-03-28 22:37:15,763 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 13.19/6.35 [2019-03-28 22:37:15,764 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 13.19/6.35 [2019-03-28 22:37:15,764 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 13.19/6.35 [2019-03-28 22:37:15,764 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 13.19/6.35 [2019-03-28 22:37:15,765 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 13.19/6.35 [2019-03-28 22:37:15,766 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 13.19/6.35 [2019-03-28 22:37:15,767 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 13.19/6.35 [2019-03-28 22:37:15,767 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 13.19/6.35 [2019-03-28 22:37:15,768 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 13.19/6.35 [2019-03-28 22:37:15,768 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 13.19/6.35 [2019-03-28 22:37:15,768 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 13.19/6.35 [2019-03-28 22:37:15,769 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 13.19/6.35 [2019-03-28 22:37:15,770 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 13.19/6.35 [2019-03-28 22:37:15,770 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 13.19/6.35 [2019-03-28 22:37:15,785 INFO L110 SettingsManager]: Loading preferences was successful 13.19/6.35 [2019-03-28 22:37:15,785 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 13.19/6.35 [2019-03-28 22:37:15,786 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 13.19/6.35 [2019-03-28 22:37:15,786 INFO L133 SettingsManager]: * Rewrite not-equals=true 13.19/6.35 [2019-03-28 22:37:15,786 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 13.19/6.35 [2019-03-28 22:37:15,787 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 13.19/6.35 [2019-03-28 22:37:15,787 INFO L133 SettingsManager]: * Use SBE=true 13.19/6.35 [2019-03-28 22:37:15,787 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 13.19/6.35 [2019-03-28 22:37:15,787 INFO L133 SettingsManager]: * Use old map elimination=false 13.19/6.35 [2019-03-28 22:37:15,787 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 13.19/6.35 [2019-03-28 22:37:15,787 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 13.19/6.35 [2019-03-28 22:37:15,788 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 13.19/6.35 [2019-03-28 22:37:15,788 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 13.19/6.35 [2019-03-28 22:37:15,788 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 13.19/6.35 [2019-03-28 22:37:15,788 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.19/6.35 [2019-03-28 22:37:15,788 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 13.19/6.35 [2019-03-28 22:37:15,789 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 13.19/6.35 [2019-03-28 22:37:15,789 INFO L133 SettingsManager]: * Check division by zero=IGNORE 13.19/6.35 [2019-03-28 22:37:15,789 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 13.19/6.35 [2019-03-28 22:37:15,789 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 13.19/6.35 [2019-03-28 22:37:15,789 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 13.19/6.35 [2019-03-28 22:37:15,789 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 13.19/6.35 [2019-03-28 22:37:15,790 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 13.19/6.35 [2019-03-28 22:37:15,790 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 13.19/6.35 [2019-03-28 22:37:15,790 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.19/6.35 [2019-03-28 22:37:15,790 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 13.19/6.35 [2019-03-28 22:37:15,790 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 13.19/6.35 [2019-03-28 22:37:15,790 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 13.19/6.35 [2019-03-28 22:37:15,791 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 13.19/6.35 [2019-03-28 22:37:15,817 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 13.19/6.35 [2019-03-28 22:37:15,830 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 13.19/6.35 [2019-03-28 22:37:15,833 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 13.19/6.35 [2019-03-28 22:37:15,835 INFO L271 PluginConnector]: Initializing CDTParser... 13.19/6.35 [2019-03-28 22:37:15,835 INFO L276 PluginConnector]: CDTParser initialized 13.19/6.35 [2019-03-28 22:37:15,836 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 13.19/6.35 [2019-03-28 22:37:15,934 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/34c625a7aba54978a7d23bbc808a1d1c/FLAG636c61e68 13.19/6.35 [2019-03-28 22:37:16,275 INFO L307 CDTParser]: Found 1 translation units. 13.19/6.35 [2019-03-28 22:37:16,276 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 13.19/6.35 [2019-03-28 22:37:16,282 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/34c625a7aba54978a7d23bbc808a1d1c/FLAG636c61e68 13.19/6.35 [2019-03-28 22:37:16,681 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/34c625a7aba54978a7d23bbc808a1d1c 13.19/6.35 [2019-03-28 22:37:16,693 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 13.19/6.35 [2019-03-28 22:37:16,694 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 13.19/6.35 [2019-03-28 22:37:16,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 13.19/6.35 [2019-03-28 22:37:16,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 13.19/6.35 [2019-03-28 22:37:16,699 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 13.19/6.35 [2019-03-28 22:37:16,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:37:16" (1/1) ... 13.19/6.35 [2019-03-28 22:37:16,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3593e626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:37:16, skipping insertion in model container 13.19/6.35 [2019-03-28 22:37:16,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:37:16" (1/1) ... 13.19/6.35 [2019-03-28 22:37:16,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 13.19/6.35 [2019-03-28 22:37:16,730 INFO L176 MainTranslator]: Built tables and reachable declarations 13.19/6.35 [2019-03-28 22:37:16,891 INFO L206 PostProcessor]: Analyzing one entry point: main 13.19/6.35 [2019-03-28 22:37:16,896 INFO L191 MainTranslator]: Completed pre-run 13.19/6.35 [2019-03-28 22:37:16,912 INFO L206 PostProcessor]: Analyzing one entry point: main 13.19/6.35 [2019-03-28 22:37:16,928 INFO L195 MainTranslator]: Completed translation 13.19/6.35 [2019-03-28 22:37:16,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:37:16 WrapperNode 13.19/6.35 [2019-03-28 22:37:16,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 13.19/6.35 [2019-03-28 22:37:16,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 13.19/6.35 [2019-03-28 22:37:16,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 13.19/6.35 [2019-03-28 22:37:16,930 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 13.19/6.35 [2019-03-28 22:37:16,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:37:16" (1/1) ... 13.19/6.35 [2019-03-28 22:37:17,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:37:16" (1/1) ... 13.19/6.35 [2019-03-28 22:37:17,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 13.19/6.35 [2019-03-28 22:37:17,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 13.19/6.35 [2019-03-28 22:37:17,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 13.19/6.35 [2019-03-28 22:37:17,023 INFO L276 PluginConnector]: Boogie Preprocessor initialized 13.19/6.35 [2019-03-28 22:37:17,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:37:16" (1/1) ... 13.19/6.35 [2019-03-28 22:37:17,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:37:16" (1/1) ... 13.19/6.35 [2019-03-28 22:37:17,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:37:16" (1/1) ... 13.19/6.35 [2019-03-28 22:37:17,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:37:16" (1/1) ... 13.19/6.35 [2019-03-28 22:37:17,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:37:16" (1/1) ... 13.19/6.35 [2019-03-28 22:37:17,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:37:16" (1/1) ... 13.19/6.35 [2019-03-28 22:37:17,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:37:16" (1/1) ... 13.19/6.35 [2019-03-28 22:37:17,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 13.19/6.35 [2019-03-28 22:37:17,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 13.19/6.35 [2019-03-28 22:37:17,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... 13.19/6.35 [2019-03-28 22:37:17,044 INFO L276 PluginConnector]: RCFGBuilder initialized 13.19/6.35 [2019-03-28 22:37:17,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:37:16" (1/1) ... 13.19/6.35 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.19/6.35 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 13.19/6.35 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.19/6.35 [2019-03-28 22:37:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 13.19/6.35 [2019-03-28 22:37:17,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 13.19/6.35 [2019-03-28 22:37:17,237 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 13.19/6.35 [2019-03-28 22:37:17,238 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. 13.19/6.35 [2019-03-28 22:37:17,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:37:17 BoogieIcfgContainer 13.19/6.35 [2019-03-28 22:37:17,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 13.19/6.35 [2019-03-28 22:37:17,240 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 13.19/6.35 [2019-03-28 22:37:17,240 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 13.19/6.35 [2019-03-28 22:37:17,242 INFO L276 PluginConnector]: BlockEncodingV2 initialized 13.19/6.35 [2019-03-28 22:37:17,243 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:37:17" (1/1) ... 13.19/6.35 [2019-03-28 22:37:17,257 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 10 edges 13.19/6.35 [2019-03-28 22:37:17,259 INFO L258 BlockEncoder]: Using Remove infeasible edges 13.19/6.35 [2019-03-28 22:37:17,260 INFO L263 BlockEncoder]: Using Maximize final states 13.19/6.35 [2019-03-28 22:37:17,260 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 13.19/6.35 [2019-03-28 22:37:17,261 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 13.19/6.35 [2019-03-28 22:37:17,263 INFO L296 BlockEncoder]: Using Remove sink states 13.19/6.35 [2019-03-28 22:37:17,264 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 13.19/6.35 [2019-03-28 22:37:17,264 INFO L179 BlockEncoder]: Using Rewrite not-equals 13.19/6.35 [2019-03-28 22:37:17,278 INFO L185 BlockEncoder]: Using Use SBE 13.19/6.35 [2019-03-28 22:37:17,292 INFO L200 BlockEncoder]: SBE split 1 edges 13.19/6.35 [2019-03-28 22:37:17,297 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 13.19/6.35 [2019-03-28 22:37:17,298 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.19/6.35 [2019-03-28 22:37:17,309 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 13.19/6.35 [2019-03-28 22:37:17,311 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states 13.19/6.35 [2019-03-28 22:37:17,312 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.19/6.35 [2019-03-28 22:37:17,313 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.19/6.35 [2019-03-28 22:37:17,313 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.19/6.35 [2019-03-28 22:37:17,313 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.19/6.35 [2019-03-28 22:37:17,314 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 13.19/6.35 [2019-03-28 22:37:17,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:37:17 BasicIcfg 13.19/6.35 [2019-03-28 22:37:17,314 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 13.19/6.35 [2019-03-28 22:37:17,315 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 13.19/6.35 [2019-03-28 22:37:17,315 INFO L271 PluginConnector]: Initializing TraceAbstraction... 13.19/6.35 [2019-03-28 22:37:17,318 INFO L276 PluginConnector]: TraceAbstraction initialized 13.19/6.35 [2019-03-28 22:37:17,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:37:16" (1/4) ... 13.19/6.35 [2019-03-28 22:37:17,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@466e993a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:37:17, skipping insertion in model container 13.19/6.35 [2019-03-28 22:37:17,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:37:16" (2/4) ... 13.19/6.35 [2019-03-28 22:37:17,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@466e993a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:37:17, skipping insertion in model container 13.19/6.35 [2019-03-28 22:37:17,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:37:17" (3/4) ... 13.19/6.35 [2019-03-28 22:37:17,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@466e993a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:37:17, skipping insertion in model container 13.19/6.35 [2019-03-28 22:37:17,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:37:17" (4/4) ... 13.19/6.35 [2019-03-28 22:37:17,322 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.19/6.35 [2019-03-28 22:37:17,333 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 13.19/6.35 [2019-03-28 22:37:17,340 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 13.19/6.35 [2019-03-28 22:37:17,358 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 13.19/6.35 [2019-03-28 22:37:17,386 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.19/6.35 [2019-03-28 22:37:17,387 INFO L382 AbstractCegarLoop]: Interprodecural is true 13.19/6.35 [2019-03-28 22:37:17,387 INFO L383 AbstractCegarLoop]: Hoare is true 13.19/6.35 [2019-03-28 22:37:17,387 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 13.19/6.35 [2019-03-28 22:37:17,387 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 13.19/6.35 [2019-03-28 22:37:17,388 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.19/6.35 [2019-03-28 22:37:17,388 INFO L387 AbstractCegarLoop]: Difference is false 13.19/6.35 [2019-03-28 22:37:17,388 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 13.19/6.35 [2019-03-28 22:37:17,388 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 13.19/6.35 [2019-03-28 22:37:17,402 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 13.19/6.35 [2019-03-28 22:37:17,408 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 13.19/6.35 [2019-03-28 22:37:17,411 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 13.19/6.35 [2019-03-28 22:37:17,463 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 13.19/6.35 [2019-03-28 22:37:17,464 INFO L451 ceAbstractionStarter]: At program point L12-2(lines 12 15) the Hoare annotation is: true 13.19/6.35 [2019-03-28 22:37:17,464 INFO L451 ceAbstractionStarter]: At program point L12-3(lines 11 16) the Hoare annotation is: true 13.19/6.35 [2019-03-28 22:37:17,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:37:17 BasicIcfg 13.19/6.35 [2019-03-28 22:37:17,472 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 13.19/6.35 [2019-03-28 22:37:17,473 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 13.19/6.35 [2019-03-28 22:37:17,473 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 13.19/6.35 [2019-03-28 22:37:17,476 INFO L276 PluginConnector]: BuchiAutomizer initialized 13.19/6.35 [2019-03-28 22:37:17,477 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.19/6.35 [2019-03-28 22:37:17,477 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:37:16" (1/5) ... 13.19/6.35 [2019-03-28 22:37:17,478 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31e278d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:37:17, skipping insertion in model container 13.19/6.35 [2019-03-28 22:37:17,478 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.19/6.35 [2019-03-28 22:37:17,478 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:37:16" (2/5) ... 13.19/6.35 [2019-03-28 22:37:17,479 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31e278d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:37:17, skipping insertion in model container 13.19/6.35 [2019-03-28 22:37:17,479 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.19/6.35 [2019-03-28 22:37:17,479 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:37:17" (3/5) ... 13.19/6.35 [2019-03-28 22:37:17,479 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31e278d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:37:17, skipping insertion in model container 13.19/6.35 [2019-03-28 22:37:17,480 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.19/6.35 [2019-03-28 22:37:17,480 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:37:17" (4/5) ... 13.19/6.35 [2019-03-28 22:37:17,480 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31e278d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:37:17, skipping insertion in model container 13.19/6.35 [2019-03-28 22:37:17,480 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.19/6.35 [2019-03-28 22:37:17,481 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:37:17" (5/5) ... 13.19/6.35 [2019-03-28 22:37:17,482 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.19/6.35 [2019-03-28 22:37:17,510 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.19/6.35 [2019-03-28 22:37:17,510 INFO L374 BuchiCegarLoop]: Interprodecural is true 13.19/6.35 [2019-03-28 22:37:17,511 INFO L375 BuchiCegarLoop]: Hoare is true 13.19/6.35 [2019-03-28 22:37:17,511 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 13.19/6.35 [2019-03-28 22:37:17,511 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 13.19/6.35 [2019-03-28 22:37:17,511 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.19/6.35 [2019-03-28 22:37:17,511 INFO L379 BuchiCegarLoop]: Difference is false 13.19/6.35 [2019-03-28 22:37:17,511 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 13.19/6.35 [2019-03-28 22:37:17,511 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 13.19/6.35 [2019-03-28 22:37:17,515 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 13.19/6.35 [2019-03-28 22:37:17,533 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 13.19/6.35 [2019-03-28 22:37:17,533 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.19/6.35 [2019-03-28 22:37:17,533 INFO L119 BuchiIsEmpty]: Starting construction of run 13.19/6.35 [2019-03-28 22:37:17,538 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.19/6.35 [2019-03-28 22:37:17,539 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 13.19/6.35 [2019-03-28 22:37:17,539 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 13.19/6.35 [2019-03-28 22:37:17,539 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 13.19/6.35 [2019-03-28 22:37:17,539 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 13.19/6.35 [2019-03-28 22:37:17,540 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.19/6.35 [2019-03-28 22:37:17,540 INFO L119 BuchiIsEmpty]: Starting construction of run 13.19/6.35 [2019-03-28 22:37:17,540 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.19/6.35 [2019-03-28 22:37:17,540 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 13.19/6.35 [2019-03-28 22:37:17,545 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [33] ULTIMATE.startENTRY-->L12-3: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 5#L12-3true 13.19/6.35 [2019-03-28 22:37:17,546 INFO L796 eck$LassoCheckResult]: Loop: 5#L12-3true [38] L12-3-->L12-2: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_9) (= v_ULTIMATE.start_main_~x~0_9 v_ULTIMATE.start_main_~y~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 3#L12-2true [41] L12-2-->L12-3: Formula: (>= 0 v_ULTIMATE.start_main_~y~0_6) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} AuxVars[] AssignedVars[] 5#L12-3true 13.19/6.35 [2019-03-28 22:37:17,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.19/6.35 [2019-03-28 22:37:17,552 INFO L82 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 1 times 13.19/6.35 [2019-03-28 22:37:17,554 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.19/6.35 [2019-03-28 22:37:17,554 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.19/6.35 [2019-03-28 22:37:17,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.19/6.35 [2019-03-28 22:37:17,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.19/6.35 [2019-03-28 22:37:17,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.19/6.35 [2019-03-28 22:37:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.19/6.35 [2019-03-28 22:37:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.19/6.35 [2019-03-28 22:37:17,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.19/6.35 [2019-03-28 22:37:17,624 INFO L82 PathProgramCache]: Analyzing trace with hash 2180, now seen corresponding path program 1 times 13.19/6.35 [2019-03-28 22:37:17,624 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.19/6.35 [2019-03-28 22:37:17,624 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.19/6.35 [2019-03-28 22:37:17,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.19/6.35 [2019-03-28 22:37:17,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.19/6.35 [2019-03-28 22:37:17,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.19/6.35 [2019-03-28 22:37:17,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.19/6.35 [2019-03-28 22:37:17,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.19/6.35 [2019-03-28 22:37:17,676 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 13.19/6.35 [2019-03-28 22:37:17,676 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 13.19/6.35 [2019-03-28 22:37:17,681 INFO L811 eck$LassoCheckResult]: loop already infeasible 13.19/6.35 [2019-03-28 22:37:17,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 13.19/6.35 [2019-03-28 22:37:17,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 13.19/6.35 [2019-03-28 22:37:17,698 INFO L87 Difference]: Start difference. First operand 3 states. Second operand 3 states. 13.19/6.35 [2019-03-28 22:37:17,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 13.19/6.35 [2019-03-28 22:37:17,717 INFO L93 Difference]: Finished difference Result 4 states and 5 transitions. 13.19/6.35 [2019-03-28 22:37:17,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 13.19/6.35 [2019-03-28 22:37:17,721 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 5 transitions. 13.19/6.35 [2019-03-28 22:37:17,722 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 13.19/6.35 [2019-03-28 22:37:17,725 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 4 states and 5 transitions. 13.19/6.35 [2019-03-28 22:37:17,727 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 13.19/6.35 [2019-03-28 22:37:17,727 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 13.19/6.35 [2019-03-28 22:37:17,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 5 transitions. 13.19/6.35 [2019-03-28 22:37:17,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.19/6.35 [2019-03-28 22:37:17,728 INFO L706 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. 13.19/6.35 [2019-03-28 22:37:17,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 5 transitions. 13.19/6.35 [2019-03-28 22:37:17,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. 13.19/6.35 [2019-03-28 22:37:17,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 13.19/6.35 [2019-03-28 22:37:17,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. 13.19/6.35 [2019-03-28 22:37:17,758 INFO L729 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. 13.19/6.35 [2019-03-28 22:37:17,758 INFO L609 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. 13.19/6.35 [2019-03-28 22:37:17,758 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 13.19/6.35 [2019-03-28 22:37:17,759 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 5 transitions. 13.19/6.35 [2019-03-28 22:37:17,759 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 13.19/6.35 [2019-03-28 22:37:17,759 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.19/6.35 [2019-03-28 22:37:17,759 INFO L119 BuchiIsEmpty]: Starting construction of run 13.19/6.35 [2019-03-28 22:37:17,760 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.19/6.35 [2019-03-28 22:37:17,760 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 13.19/6.35 [2019-03-28 22:37:17,760 INFO L794 eck$LassoCheckResult]: Stem: 18#ULTIMATE.startENTRY [33] ULTIMATE.startENTRY-->L12-3: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 19#L12-3 13.19/6.35 [2019-03-28 22:37:17,761 INFO L796 eck$LassoCheckResult]: Loop: 19#L12-3 [38] L12-3-->L12-2: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_9) (= v_ULTIMATE.start_main_~x~0_9 v_ULTIMATE.start_main_~y~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 16#L12-2 [32] L12-2-->L12-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 (- 1))) (= v_ULTIMATE.start_main_~x~0_6 (+ v_ULTIMATE.start_main_~x~0_7 (- 1)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 17#L12-2 [41] L12-2-->L12-3: Formula: (>= 0 v_ULTIMATE.start_main_~y~0_6) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} AuxVars[] AssignedVars[] 19#L12-3 13.19/6.35 [2019-03-28 22:37:17,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.19/6.35 [2019-03-28 22:37:17,761 INFO L82 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 2 times 13.19/6.35 [2019-03-28 22:37:17,761 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.19/6.35 [2019-03-28 22:37:17,761 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.19/6.35 [2019-03-28 22:37:17,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.19/6.35 [2019-03-28 22:37:17,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.19/6.35 [2019-03-28 22:37:17,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.19/6.35 [2019-03-28 22:37:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.19/6.35 [2019-03-28 22:37:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.19/6.35 [2019-03-28 22:37:17,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.19/6.35 [2019-03-28 22:37:17,768 INFO L82 PathProgramCache]: Analyzing trace with hash 67342, now seen corresponding path program 1 times 13.19/6.35 [2019-03-28 22:37:17,768 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.19/6.35 [2019-03-28 22:37:17,768 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.19/6.35 [2019-03-28 22:37:17,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.19/6.35 [2019-03-28 22:37:17,770 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 13.19/6.35 [2019-03-28 22:37:17,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.19/6.35 [2019-03-28 22:37:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.19/6.35 [2019-03-28 22:37:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.19/6.35 [2019-03-28 22:37:17,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.19/6.35 [2019-03-28 22:37:17,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1944175, now seen corresponding path program 1 times 13.19/6.35 [2019-03-28 22:37:17,780 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.19/6.35 [2019-03-28 22:37:17,780 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.19/6.35 [2019-03-28 22:37:17,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.19/6.35 [2019-03-28 22:37:17,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.19/6.35 [2019-03-28 22:37:17,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.19/6.35 [2019-03-28 22:37:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.19/6.35 [2019-03-28 22:37:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.19/6.35 [2019-03-28 22:37:17,860 INFO L216 LassoAnalysis]: Preferences: 13.19/6.35 [2019-03-28 22:37:17,861 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.19/6.35 [2019-03-28 22:37:17,861 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.19/6.35 [2019-03-28 22:37:17,861 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.19/6.35 [2019-03-28 22:37:17,861 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.19/6.35 [2019-03-28 22:37:17,862 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.19/6.35 [2019-03-28 22:37:17,862 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.19/6.35 [2019-03-28 22:37:17,862 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.19/6.35 [2019-03-28 22:37:17,862 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 13.19/6.35 [2019-03-28 22:37:17,862 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.19/6.35 [2019-03-28 22:37:17,863 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.19/6.35 [2019-03-28 22:37:17,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.19/6.35 [2019-03-28 22:37:17,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.19/6.35 [2019-03-28 22:37:17,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.19/6.35 [2019-03-28 22:37:18,026 INFO L300 LassoAnalysis]: Preprocessing complete. 13.19/6.35 [2019-03-28 22:37:18,027 INFO L412 LassoAnalysis]: Checking for nontermination... 13.19/6.35 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.19/6.35 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.19/6.35 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.19/6.35 [2019-03-28 22:37:18,037 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.19/6.35 [2019-03-28 22:37:18,037 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.19/6.35 [2019-03-28 22:37:18,071 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.19/6.35 [2019-03-28 22:37:18,072 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.19/6.35 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.19/6.35 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.19/6.35 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.19/6.35 [2019-03-28 22:37:18,081 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.19/6.35 [2019-03-28 22:37:18,082 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.19/6.35 [2019-03-28 22:37:18,110 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.19/6.35 [2019-03-28 22:37:18,110 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.19/6.35 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.19/6.35 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.19/6.35 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.19/6.35 [2019-03-28 22:37:18,118 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.19/6.35 [2019-03-28 22:37:18,118 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.19/6.35 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.19/6.35 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.19/6.35 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.19/6.35 [2019-03-28 22:37:18,151 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.19/6.35 [2019-03-28 22:37:18,151 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.19/6.35 [2019-03-28 22:37:18,195 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.19/6.35 [2019-03-28 22:37:18,197 INFO L216 LassoAnalysis]: Preferences: 13.19/6.35 [2019-03-28 22:37:18,197 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.19/6.35 [2019-03-28 22:37:18,198 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.19/6.35 [2019-03-28 22:37:18,198 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.19/6.35 [2019-03-28 22:37:18,198 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.19/6.35 [2019-03-28 22:37:18,198 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.19/6.35 [2019-03-28 22:37:18,198 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.19/6.35 [2019-03-28 22:37:18,198 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.19/6.35 [2019-03-28 22:37:18,198 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 13.19/6.35 [2019-03-28 22:37:18,199 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.19/6.35 [2019-03-28 22:37:18,199 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.19/6.35 [2019-03-28 22:37:18,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.19/6.35 [2019-03-28 22:37:18,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.19/6.35 [2019-03-28 22:37:18,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.19/6.35 [2019-03-28 22:37:18,293 INFO L300 LassoAnalysis]: Preprocessing complete. 13.19/6.35 [2019-03-28 22:37:18,299 INFO L497 LassoAnalysis]: Using template 'affine'. 13.19/6.35 [2019-03-28 22:37:18,300 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.19/6.35 Termination analysis: LINEAR_WITH_GUESSES 13.19/6.35 Number of strict supporting invariants: 0 13.19/6.35 Number of non-strict supporting invariants: 1 13.19/6.35 Consider only non-deceasing supporting invariants: true 13.19/6.35 Simplify termination arguments: true 13.19/6.35 Simplify supporting invariants: trueOverapproximate stem: false 13.19/6.35 [2019-03-28 22:37:18,302 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.19/6.35 [2019-03-28 22:37:18,302 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.19/6.35 [2019-03-28 22:37:18,303 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.19/6.35 [2019-03-28 22:37:18,303 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.19/6.35 [2019-03-28 22:37:18,309 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 13.19/6.35 [2019-03-28 22:37:18,309 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 13.19/6.35 [2019-03-28 22:37:18,317 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.19/6.35 [2019-03-28 22:37:18,317 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.19/6.35 Termination analysis: LINEAR_WITH_GUESSES 13.19/6.35 Number of strict supporting invariants: 0 13.19/6.35 Number of non-strict supporting invariants: 1 13.19/6.35 Consider only non-deceasing supporting invariants: true 13.19/6.35 Simplify termination arguments: true 13.19/6.35 Simplify supporting invariants: trueOverapproximate stem: false 13.19/6.35 [2019-03-28 22:37:18,318 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.19/6.35 [2019-03-28 22:37:18,318 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.19/6.35 [2019-03-28 22:37:18,318 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.19/6.35 [2019-03-28 22:37:18,319 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.19/6.35 [2019-03-28 22:37:18,321 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 13.19/6.35 [2019-03-28 22:37:18,321 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 13.19/6.35 [2019-03-28 22:37:18,332 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.19/6.35 [2019-03-28 22:37:18,333 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.19/6.35 Termination analysis: LINEAR_WITH_GUESSES 13.19/6.35 Number of strict supporting invariants: 0 13.19/6.35 Number of non-strict supporting invariants: 1 13.19/6.35 Consider only non-deceasing supporting invariants: true 13.19/6.35 Simplify termination arguments: true 13.19/6.35 Simplify supporting invariants: trueOverapproximate stem: false 13.19/6.35 [2019-03-28 22:37:18,333 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.19/6.35 [2019-03-28 22:37:18,333 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.19/6.35 [2019-03-28 22:37:18,334 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.19/6.35 [2019-03-28 22:37:18,334 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.19/6.35 [2019-03-28 22:37:18,334 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.19/6.35 [2019-03-28 22:37:18,335 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.19/6.35 [2019-03-28 22:37:18,336 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.19/6.35 [2019-03-28 22:37:18,345 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.19/6.35 [2019-03-28 22:37:18,350 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 13.19/6.35 [2019-03-28 22:37:18,351 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 13.19/6.35 [2019-03-28 22:37:18,353 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.19/6.35 [2019-03-28 22:37:18,353 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.19/6.35 [2019-03-28 22:37:18,354 INFO L518 LassoAnalysis]: Proved termination. 13.19/6.35 [2019-03-28 22:37:18,354 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.19/6.35 Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 13.19/6.35 Supporting invariants [] 13.19/6.35 [2019-03-28 22:37:18,355 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.19/6.35 [2019-03-28 22:37:18,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.19/6.35 [2019-03-28 22:37:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.19/6.35 [2019-03-28 22:37:18,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 13.19/6.35 [2019-03-28 22:37:18,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.19/6.35 [2019-03-28 22:37:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.19/6.35 [2019-03-28 22:37:18,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core 13.19/6.35 [2019-03-28 22:37:18,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.19/6.35 [2019-03-28 22:37:18,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.19/6.35 [2019-03-28 22:37:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.19/6.35 [2019-03-28 22:37:18,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core 13.19/6.35 [2019-03-28 22:37:18,422 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.19/6.35 [2019-03-28 22:37:18,450 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 3 predicates after loop cannibalization 13.19/6.35 [2019-03-28 22:37:18,453 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 3 loop predicates 13.19/6.35 [2019-03-28 22:37:18,454 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states and 5 transitions. cyclomatic complexity: 2 Second operand 4 states. 13.19/6.35 [2019-03-28 22:37:18,496 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states and 5 transitions. cyclomatic complexity: 2. Second operand 4 states. Result 10 states and 12 transitions. Complement of second has 7 states. 13.19/6.35 [2019-03-28 22:37:18,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states 13.19/6.35 [2019-03-28 22:37:18,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 13.19/6.35 [2019-03-28 22:37:18,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. 13.19/6.35 [2019-03-28 22:37:18,500 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 1 letters. Loop has 3 letters. 13.19/6.35 [2019-03-28 22:37:18,502 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.19/6.35 [2019-03-28 22:37:18,502 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 4 letters. Loop has 3 letters. 13.19/6.35 [2019-03-28 22:37:18,502 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.19/6.35 [2019-03-28 22:37:18,503 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 1 letters. Loop has 6 letters. 13.19/6.35 [2019-03-28 22:37:18,503 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.19/6.35 [2019-03-28 22:37:18,507 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 12 transitions. 13.19/6.35 [2019-03-28 22:37:18,508 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.19/6.35 [2019-03-28 22:37:18,509 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 0 states and 0 transitions. 13.19/6.35 [2019-03-28 22:37:18,509 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 13.19/6.35 [2019-03-28 22:37:18,509 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 13.19/6.35 [2019-03-28 22:37:18,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 13.19/6.35 [2019-03-28 22:37:18,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.19/6.35 [2019-03-28 22:37:18,509 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.19/6.35 [2019-03-28 22:37:18,509 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.19/6.35 [2019-03-28 22:37:18,509 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.19/6.35 [2019-03-28 22:37:18,510 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 13.19/6.35 [2019-03-28 22:37:18,510 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 13.19/6.35 [2019-03-28 22:37:18,510 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.19/6.35 [2019-03-28 22:37:18,510 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 13.19/6.35 [2019-03-28 22:37:18,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:37:18 BasicIcfg 13.19/6.35 [2019-03-28 22:37:18,516 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 13.19/6.35 [2019-03-28 22:37:18,517 INFO L168 Benchmark]: Toolchain (without parser) took 1823.24 ms. Allocated memory was 649.6 MB in the beginning and 675.3 MB in the end (delta: 25.7 MB). Free memory was 560.7 MB in the beginning and 506.3 MB in the end (delta: 54.4 MB). Peak memory consumption was 80.1 MB. Max. memory is 50.3 GB. 13.19/6.35 [2019-03-28 22:37:18,518 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.19/6.35 [2019-03-28 22:37:18,519 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.36 ms. Allocated memory is still 649.6 MB. Free memory was 560.7 MB in the beginning and 550.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 50.3 GB. 13.19/6.35 [2019-03-28 22:37:18,520 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.47 ms. Allocated memory was 649.6 MB in the beginning and 675.3 MB in the end (delta: 25.7 MB). Free memory was 550.0 MB in the beginning and 642.8 MB in the end (delta: -92.8 MB). Peak memory consumption was 21.9 MB. Max. memory is 50.3 GB. 13.19/6.35 [2019-03-28 22:37:18,520 INFO L168 Benchmark]: Boogie Preprocessor took 20.14 ms. Allocated memory is still 675.3 MB. Free memory was 642.8 MB in the beginning and 641.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 13.19/6.35 [2019-03-28 22:37:18,521 INFO L168 Benchmark]: RCFGBuilder took 196.05 ms. Allocated memory is still 675.3 MB. Free memory was 641.4 MB in the beginning and 626.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 50.3 GB. 13.19/6.35 [2019-03-28 22:37:18,522 INFO L168 Benchmark]: BlockEncodingV2 took 74.33 ms. Allocated memory is still 675.3 MB. Free memory was 626.7 MB in the beginning and 620.3 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 13.19/6.35 [2019-03-28 22:37:18,522 INFO L168 Benchmark]: TraceAbstraction took 157.37 ms. Allocated memory is still 675.3 MB. Free memory was 620.3 MB in the beginning and 610.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 13.19/6.35 [2019-03-28 22:37:18,523 INFO L168 Benchmark]: BuchiAutomizer took 1043.30 ms. Allocated memory is still 675.3 MB. Free memory was 610.8 MB in the beginning and 506.3 MB in the end (delta: 104.6 MB). Peak memory consumption was 104.6 MB. Max. memory is 50.3 GB. 13.19/6.35 [2019-03-28 22:37:18,527 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 13.19/6.35 --- Results --- 13.19/6.35 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 13.19/6.35 - StatisticsResult: Initial Icfg 13.19/6.35 7 locations, 10 edges 13.19/6.35 - StatisticsResult: Encoded RCFG 13.19/6.35 3 locations, 4 edges 13.19/6.35 * Results from de.uni_freiburg.informatik.ultimate.core: 13.19/6.35 - StatisticsResult: Toolchain Benchmarks 13.19/6.35 Benchmark results are: 13.19/6.35 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.19/6.35 * CACSL2BoogieTranslator took 233.36 ms. Allocated memory is still 649.6 MB. Free memory was 560.7 MB in the beginning and 550.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 50.3 GB. 13.19/6.35 * Boogie Procedure Inliner took 93.47 ms. Allocated memory was 649.6 MB in the beginning and 675.3 MB in the end (delta: 25.7 MB). Free memory was 550.0 MB in the beginning and 642.8 MB in the end (delta: -92.8 MB). Peak memory consumption was 21.9 MB. Max. memory is 50.3 GB. 13.19/6.35 * Boogie Preprocessor took 20.14 ms. Allocated memory is still 675.3 MB. Free memory was 642.8 MB in the beginning and 641.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 13.19/6.35 * RCFGBuilder took 196.05 ms. Allocated memory is still 675.3 MB. Free memory was 641.4 MB in the beginning and 626.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 50.3 GB. 13.19/6.35 * BlockEncodingV2 took 74.33 ms. Allocated memory is still 675.3 MB. Free memory was 626.7 MB in the beginning and 620.3 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 13.19/6.35 * TraceAbstraction took 157.37 ms. Allocated memory is still 675.3 MB. Free memory was 620.3 MB in the beginning and 610.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 13.19/6.35 * BuchiAutomizer took 1043.30 ms. Allocated memory is still 675.3 MB. Free memory was 610.8 MB in the beginning and 506.3 MB in the end (delta: 104.6 MB). Peak memory consumption was 104.6 MB. Max. memory is 50.3 GB. 13.19/6.35 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 13.19/6.35 - AllSpecificationsHoldResult: All specifications hold 13.19/6.35 We were not able to verify any specifiation because the program does not contain any specification. 13.19/6.35 - InvariantResult [Line: 12]: Loop Invariant 13.19/6.35 Derived loop invariant: 1 13.19/6.35 - InvariantResult [Line: 11]: Loop Invariant 13.19/6.35 Derived loop invariant: 1 13.19/6.35 - StatisticsResult: Ultimate Automizer benchmark data 13.19/6.35 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 13.19/6.35 - StatisticsResult: Constructed decomposition of program 13.19/6.35 Your program was decomposed into 2 terminating modules (1 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function y and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. 13.19/6.35 - StatisticsResult: Timing statistics 13.19/6.35 BüchiAutomizer plugin needed 1.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. 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 4 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/1 HoareTripleCheckerStatistics: 5 SDtfs, 6 SDslu, 0 SDs, 0 SdLazy, 15 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax157 hnf100 lsp63 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq176 hnf91 smp85 dnf100 smp100 tf106 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s 13.19/6.35 - TerminationAnalysisResult: Termination proven 13.19/6.35 Buchi Automizer proved that your program is terminating 13.19/6.35 RESULT: Ultimate proved your program to be correct! 13.19/6.35 !SESSION 2019-03-28 22:37:13.417 ----------------------------------------------- 13.19/6.35 eclipse.buildId=unknown 13.19/6.35 java.version=1.8.0_181 13.19/6.35 java.vendor=Oracle Corporation 13.19/6.35 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 13.19/6.35 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 13.19/6.35 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 13.19/6.35 13.19/6.35 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:37:18.761 13.19/6.35 !MESSAGE The workspace will exit with unsaved changes in this session. 13.19/6.35 Received shutdown request... 13.19/6.35 Ultimate: 13.19/6.35 GTK+ Version Check 13.19/6.35 EOF