16.48/8.08 YES 16.48/8.08 16.48/8.08 Ultimate: Cannot open display: 16.48/8.08 This is Ultimate 0.1.24-8dc7c08-m 16.48/8.08 [2019-03-29 02:14:15,781 INFO L170 SettingsManager]: Resetting all preferences to default values... 16.48/8.08 [2019-03-29 02:14:15,783 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 16.48/8.08 [2019-03-29 02:14:15,794 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 16.48/8.08 [2019-03-29 02:14:15,795 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 16.48/8.08 [2019-03-29 02:14:15,795 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 16.48/8.08 [2019-03-29 02:14:15,797 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 16.48/8.08 [2019-03-29 02:14:15,798 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 16.48/8.08 [2019-03-29 02:14:15,800 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 16.48/8.08 [2019-03-29 02:14:15,801 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 16.48/8.08 [2019-03-29 02:14:15,802 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 16.48/8.08 [2019-03-29 02:14:15,802 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 16.48/8.08 [2019-03-29 02:14:15,803 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 16.48/8.08 [2019-03-29 02:14:15,804 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 16.48/8.08 [2019-03-29 02:14:15,805 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 16.48/8.08 [2019-03-29 02:14:15,805 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 16.48/8.08 [2019-03-29 02:14:15,806 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 16.48/8.08 [2019-03-29 02:14:15,808 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 16.48/8.08 [2019-03-29 02:14:15,810 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 16.48/8.08 [2019-03-29 02:14:15,811 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 16.48/8.08 [2019-03-29 02:14:15,812 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 16.48/8.08 [2019-03-29 02:14:15,814 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 16.48/8.08 [2019-03-29 02:14:15,816 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 16.48/8.08 [2019-03-29 02:14:15,816 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 16.48/8.08 [2019-03-29 02:14:15,816 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 16.48/8.08 [2019-03-29 02:14:15,817 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 16.48/8.08 [2019-03-29 02:14:15,817 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 16.48/8.08 [2019-03-29 02:14:15,818 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 16.48/8.08 [2019-03-29 02:14:15,818 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 16.48/8.08 [2019-03-29 02:14:15,819 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 16.48/8.08 [2019-03-29 02:14:15,820 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 16.48/8.08 [2019-03-29 02:14:15,821 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 16.48/8.08 [2019-03-29 02:14:15,821 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 16.48/8.08 [2019-03-29 02:14:15,822 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 16.48/8.08 [2019-03-29 02:14:15,822 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 16.48/8.08 [2019-03-29 02:14:15,822 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 16.48/8.08 [2019-03-29 02:14:15,823 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 16.48/8.08 [2019-03-29 02:14:15,824 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 16.48/8.08 [2019-03-29 02:14:15,824 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 16.48/8.08 [2019-03-29 02:14:15,825 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 16.48/8.08 [2019-03-29 02:14:15,839 INFO L110 SettingsManager]: Loading preferences was successful 16.48/8.08 [2019-03-29 02:14:15,840 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 16.48/8.08 [2019-03-29 02:14:15,841 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 16.48/8.08 [2019-03-29 02:14:15,841 INFO L133 SettingsManager]: * Rewrite not-equals=true 16.48/8.08 [2019-03-29 02:14:15,841 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 16.48/8.08 [2019-03-29 02:14:15,841 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 16.48/8.08 [2019-03-29 02:14:15,842 INFO L133 SettingsManager]: * Use SBE=true 16.48/8.08 [2019-03-29 02:14:15,842 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 16.48/8.08 [2019-03-29 02:14:15,842 INFO L133 SettingsManager]: * Use old map elimination=false 16.48/8.08 [2019-03-29 02:14:15,842 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 16.48/8.08 [2019-03-29 02:14:15,842 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 16.48/8.08 [2019-03-29 02:14:15,843 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 16.48/8.08 [2019-03-29 02:14:15,843 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 16.48/8.08 [2019-03-29 02:14:15,843 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 16.48/8.08 [2019-03-29 02:14:15,843 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.48/8.08 [2019-03-29 02:14:15,843 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 16.48/8.08 [2019-03-29 02:14:15,844 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 16.48/8.08 [2019-03-29 02:14:15,844 INFO L133 SettingsManager]: * Check division by zero=IGNORE 16.48/8.08 [2019-03-29 02:14:15,844 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 16.48/8.08 [2019-03-29 02:14:15,844 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 16.48/8.08 [2019-03-29 02:14:15,844 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 16.48/8.08 [2019-03-29 02:14:15,845 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 16.48/8.08 [2019-03-29 02:14:15,845 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 16.48/8.08 [2019-03-29 02:14:15,845 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 16.48/8.08 [2019-03-29 02:14:15,845 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 16.48/8.08 [2019-03-29 02:14:15,845 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 16.48/8.08 [2019-03-29 02:14:15,846 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 16.48/8.08 [2019-03-29 02:14:15,846 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 16.48/8.08 [2019-03-29 02:14:15,846 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 16.48/8.08 [2019-03-29 02:14:15,873 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 16.48/8.08 [2019-03-29 02:14:15,887 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 16.48/8.08 [2019-03-29 02:14:15,891 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 16.48/8.08 [2019-03-29 02:14:15,892 INFO L271 PluginConnector]: Initializing CDTParser... 16.48/8.08 [2019-03-29 02:14:15,893 INFO L276 PluginConnector]: CDTParser initialized 16.48/8.08 [2019-03-29 02:14:15,893 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 16.48/8.08 [2019-03-29 02:14:16,018 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/e6ceb4a5e7404665a60b6711ba853013/FLAG75142b8f2 16.48/8.08 [2019-03-29 02:14:16,365 INFO L307 CDTParser]: Found 1 translation units. 16.48/8.08 [2019-03-29 02:14:16,365 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 16.48/8.08 [2019-03-29 02:14:16,372 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/e6ceb4a5e7404665a60b6711ba853013/FLAG75142b8f2 16.48/8.08 [2019-03-29 02:14:16,774 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/e6ceb4a5e7404665a60b6711ba853013 16.48/8.08 [2019-03-29 02:14:16,786 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 16.48/8.08 [2019-03-29 02:14:16,788 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 16.48/8.08 [2019-03-29 02:14:16,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 16.48/8.08 [2019-03-29 02:14:16,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 16.48/8.08 [2019-03-29 02:14:16,793 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 16.48/8.08 [2019-03-29 02:14:16,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:14:16" (1/1) ... 16.48/8.08 [2019-03-29 02:14:16,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f733cbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:16, skipping insertion in model container 16.48/8.08 [2019-03-29 02:14:16,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:14:16" (1/1) ... 16.48/8.08 [2019-03-29 02:14:16,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 16.48/8.08 [2019-03-29 02:14:16,823 INFO L176 MainTranslator]: Built tables and reachable declarations 16.48/8.08 [2019-03-29 02:14:16,981 INFO L206 PostProcessor]: Analyzing one entry point: main 16.48/8.08 [2019-03-29 02:14:16,986 INFO L191 MainTranslator]: Completed pre-run 16.48/8.08 [2019-03-29 02:14:17,002 INFO L206 PostProcessor]: Analyzing one entry point: main 16.48/8.08 [2019-03-29 02:14:17,016 INFO L195 MainTranslator]: Completed translation 16.48/8.08 [2019-03-29 02:14:17,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17 WrapperNode 16.48/8.08 [2019-03-29 02:14:17,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 16.48/8.08 [2019-03-29 02:14:17,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 16.48/8.08 [2019-03-29 02:14:17,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 16.48/8.08 [2019-03-29 02:14:17,018 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 16.48/8.08 [2019-03-29 02:14:17,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 16.48/8.08 [2019-03-29 02:14:17,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 16.48/8.08 [2019-03-29 02:14:17,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 16.48/8.08 [2019-03-29 02:14:17,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 16.48/8.08 [2019-03-29 02:14:17,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 16.48/8.08 [2019-03-29 02:14:17,108 INFO L276 PluginConnector]: Boogie Preprocessor initialized 16.48/8.08 [2019-03-29 02:14:17,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 16.48/8.08 [2019-03-29 02:14:17,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 16.48/8.08 [2019-03-29 02:14:17,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 16.48/8.08 [2019-03-29 02:14:17,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 16.48/8.08 [2019-03-29 02:14:17,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 16.48/8.08 [2019-03-29 02:14:17,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 16.48/8.08 [2019-03-29 02:14:17,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 16.48/8.08 [2019-03-29 02:14:17,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 16.48/8.08 [2019-03-29 02:14:17,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 16.48/8.08 [2019-03-29 02:14:17,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... 16.48/8.08 [2019-03-29 02:14:17,128 INFO L276 PluginConnector]: RCFGBuilder initialized 16.48/8.08 [2019-03-29 02:14:17,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 16.48/8.08 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.48/8.08 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 16.48/8.08 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 16.48/8.08 [2019-03-29 02:14:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 16.48/8.08 [2019-03-29 02:14:17,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 16.48/8.08 [2019-03-29 02:14:17,319 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 16.48/8.08 [2019-03-29 02:14:17,320 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. 16.48/8.08 [2019-03-29 02:14:17,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:14:17 BoogieIcfgContainer 16.48/8.08 [2019-03-29 02:14:17,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 16.48/8.08 [2019-03-29 02:14:17,321 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 16.48/8.08 [2019-03-29 02:14:17,322 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 16.48/8.08 [2019-03-29 02:14:17,324 INFO L276 PluginConnector]: BlockEncodingV2 initialized 16.48/8.08 [2019-03-29 02:14:17,324 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:14:17" (1/1) ... 16.48/8.08 [2019-03-29 02:14:17,339 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 10 edges 16.48/8.08 [2019-03-29 02:14:17,340 INFO L258 BlockEncoder]: Using Remove infeasible edges 16.48/8.08 [2019-03-29 02:14:17,341 INFO L263 BlockEncoder]: Using Maximize final states 16.48/8.08 [2019-03-29 02:14:17,342 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 16.48/8.08 [2019-03-29 02:14:17,342 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 16.48/8.08 [2019-03-29 02:14:17,344 INFO L296 BlockEncoder]: Using Remove sink states 16.48/8.08 [2019-03-29 02:14:17,345 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 16.48/8.08 [2019-03-29 02:14:17,345 INFO L179 BlockEncoder]: Using Rewrite not-equals 16.48/8.08 [2019-03-29 02:14:17,360 INFO L185 BlockEncoder]: Using Use SBE 16.48/8.08 [2019-03-29 02:14:17,374 INFO L200 BlockEncoder]: SBE split 1 edges 16.48/8.08 [2019-03-29 02:14:17,378 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 16.48/8.08 [2019-03-29 02:14:17,380 INFO L71 MaximizeFinalStates]: 0 new accepting states 16.48/8.08 [2019-03-29 02:14:17,390 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 16.48/8.08 [2019-03-29 02:14:17,393 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states 16.48/8.08 [2019-03-29 02:14:17,394 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 16.48/8.08 [2019-03-29 02:14:17,394 INFO L71 MaximizeFinalStates]: 0 new accepting states 16.48/8.08 [2019-03-29 02:14:17,394 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 16.48/8.08 [2019-03-29 02:14:17,395 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 16.48/8.08 [2019-03-29 02:14:17,395 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 16.48/8.08 [2019-03-29 02:14:17,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:14:17 BasicIcfg 16.48/8.08 [2019-03-29 02:14:17,396 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 16.48/8.08 [2019-03-29 02:14:17,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 16.48/8.08 [2019-03-29 02:14:17,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... 16.48/8.08 [2019-03-29 02:14:17,400 INFO L276 PluginConnector]: TraceAbstraction initialized 16.48/8.08 [2019-03-29 02:14:17,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 02:14:16" (1/4) ... 16.48/8.08 [2019-03-29 02:14:17,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c6d0fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:14:17, skipping insertion in model container 16.48/8.08 [2019-03-29 02:14:17,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (2/4) ... 16.48/8.08 [2019-03-29 02:14:17,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c6d0fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:14:17, skipping insertion in model container 16.48/8.08 [2019-03-29 02:14:17,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:14:17" (3/4) ... 16.48/8.08 [2019-03-29 02:14:17,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c6d0fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:14:17, skipping insertion in model container 16.48/8.08 [2019-03-29 02:14:17,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:14:17" (4/4) ... 16.48/8.08 [2019-03-29 02:14:17,404 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 16.48/8.08 [2019-03-29 02:14:17,414 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 16.48/8.08 [2019-03-29 02:14:17,422 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 16.48/8.08 [2019-03-29 02:14:17,440 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 16.48/8.08 [2019-03-29 02:14:17,469 INFO L133 ementStrategyFactory]: Using default assertion order modulation 16.48/8.08 [2019-03-29 02:14:17,470 INFO L382 AbstractCegarLoop]: Interprodecural is true 16.48/8.08 [2019-03-29 02:14:17,470 INFO L383 AbstractCegarLoop]: Hoare is true 16.48/8.08 [2019-03-29 02:14:17,470 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 16.48/8.08 [2019-03-29 02:14:17,470 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 16.48/8.08 [2019-03-29 02:14:17,470 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 16.48/8.08 [2019-03-29 02:14:17,470 INFO L387 AbstractCegarLoop]: Difference is false 16.48/8.08 [2019-03-29 02:14:17,471 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 16.48/8.08 [2019-03-29 02:14:17,471 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 16.48/8.08 [2019-03-29 02:14:17,484 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 16.48/8.08 [2019-03-29 02:14:17,490 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 16.48/8.08 [2019-03-29 02:14:17,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 16.48/8.08 [2019-03-29 02:14:17,546 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 16.48/8.08 [2019-03-29 02:14:17,546 INFO L451 ceAbstractionStarter]: At program point L13-2(lines 13 17) the Hoare annotation is: true 16.48/8.08 [2019-03-29 02:14:17,547 INFO L451 ceAbstractionStarter]: At program point L13-3(lines 12 18) the Hoare annotation is: true 16.48/8.08 [2019-03-29 02:14:17,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:14:17 BasicIcfg 16.48/8.08 [2019-03-29 02:14:17,555 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 16.48/8.08 [2019-03-29 02:14:17,556 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 16.48/8.08 [2019-03-29 02:14:17,556 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 16.48/8.08 [2019-03-29 02:14:17,559 INFO L276 PluginConnector]: BuchiAutomizer initialized 16.48/8.08 [2019-03-29 02:14:17,560 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.48/8.08 [2019-03-29 02:14:17,561 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 02:14:16" (1/5) ... 16.48/8.08 [2019-03-29 02:14:17,561 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c7dfe16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:14:17, skipping insertion in model container 16.48/8.08 [2019-03-29 02:14:17,561 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.48/8.08 [2019-03-29 02:14:17,562 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (2/5) ... 16.48/8.08 [2019-03-29 02:14:17,562 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c7dfe16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:14:17, skipping insertion in model container 16.48/8.08 [2019-03-29 02:14:17,562 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.48/8.08 [2019-03-29 02:14:17,562 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:14:17" (3/5) ... 16.48/8.08 [2019-03-29 02:14:17,563 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c7dfe16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:14:17, skipping insertion in model container 16.48/8.08 [2019-03-29 02:14:17,563 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.48/8.08 [2019-03-29 02:14:17,563 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:14:17" (4/5) ... 16.48/8.08 [2019-03-29 02:14:17,563 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c7dfe16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:14:17, skipping insertion in model container 16.48/8.08 [2019-03-29 02:14:17,563 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.48/8.08 [2019-03-29 02:14:17,564 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:14:17" (5/5) ... 16.48/8.08 [2019-03-29 02:14:17,565 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 16.48/8.08 [2019-03-29 02:14:17,594 INFO L133 ementStrategyFactory]: Using default assertion order modulation 16.48/8.08 [2019-03-29 02:14:17,594 INFO L374 BuchiCegarLoop]: Interprodecural is true 16.48/8.08 [2019-03-29 02:14:17,595 INFO L375 BuchiCegarLoop]: Hoare is true 16.48/8.08 [2019-03-29 02:14:17,595 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 16.48/8.08 [2019-03-29 02:14:17,595 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 16.48/8.08 [2019-03-29 02:14:17,595 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 16.48/8.08 [2019-03-29 02:14:17,595 INFO L379 BuchiCegarLoop]: Difference is false 16.48/8.08 [2019-03-29 02:14:17,595 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 16.48/8.08 [2019-03-29 02:14:17,595 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 16.48/8.08 [2019-03-29 02:14:17,599 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 16.48/8.08 [2019-03-29 02:14:17,616 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 16.48/8.08 [2019-03-29 02:14:17,616 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.48/8.08 [2019-03-29 02:14:17,616 INFO L119 BuchiIsEmpty]: Starting construction of run 16.48/8.08 [2019-03-29 02:14:17,621 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 16.48/8.08 [2019-03-29 02:14:17,622 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 16.48/8.08 [2019-03-29 02:14:17,622 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 16.48/8.08 [2019-03-29 02:14:17,622 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 16.48/8.08 [2019-03-29 02:14:17,622 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 16.48/8.08 [2019-03-29 02:14:17,623 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.48/8.08 [2019-03-29 02:14:17,623 INFO L119 BuchiIsEmpty]: Starting construction of run 16.48/8.08 [2019-03-29 02:14:17,623 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 16.48/8.08 [2019-03-29 02:14:17,623 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 16.48/8.08 [2019-03-29 02:14:17,628 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [34] ULTIMATE.startENTRY-->L13-3: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 3#L13-3true 16.48/8.08 [2019-03-29 02:14:17,629 INFO L796 eck$LassoCheckResult]: Loop: 3#L13-3true [32] L13-3-->L13-2: Formula: (and (< v_ULTIMATE.start_main_~z~0_9 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_~z~0=v_ULTIMATE.start_main_~z~0_9, 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_~z~0=v_ULTIMATE.start_main_~z~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 5#L13-2true [41] L13-2-->L13-3: Formula: (>= v_ULTIMATE.start_main_~z~0_6 v_ULTIMATE.start_main_~y~0_6) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6} AuxVars[] AssignedVars[] 3#L13-3true 16.48/8.08 [2019-03-29 02:14:17,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.48/8.08 [2019-03-29 02:14:17,635 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 1 times 16.48/8.08 [2019-03-29 02:14:17,637 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.48/8.08 [2019-03-29 02:14:17,638 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.48/8.08 [2019-03-29 02:14:17,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.48/8.08 [2019-03-29 02:14:17,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.48/8.08 [2019-03-29 02:14:17,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.48/8.08 [2019-03-29 02:14:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.48/8.08 [2019-03-29 02:14:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.48/8.08 [2019-03-29 02:14:17,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.48/8.08 [2019-03-29 02:14:17,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1994, now seen corresponding path program 1 times 16.48/8.08 [2019-03-29 02:14:17,715 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.48/8.08 [2019-03-29 02:14:17,715 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.48/8.08 [2019-03-29 02:14:17,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.48/8.08 [2019-03-29 02:14:17,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.48/8.08 [2019-03-29 02:14:17,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.48/8.08 [2019-03-29 02:14:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.48/8.08 [2019-03-29 02:14:17,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.48/8.08 [2019-03-29 02:14:17,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 16.48/8.08 [2019-03-29 02:14:17,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 16.48/8.08 [2019-03-29 02:14:17,775 INFO L811 eck$LassoCheckResult]: loop already infeasible 16.48/8.08 [2019-03-29 02:14:17,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 16.48/8.08 [2019-03-29 02:14:17,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 16.48/8.08 [2019-03-29 02:14:17,792 INFO L87 Difference]: Start difference. First operand 3 states. Second operand 3 states. 16.48/8.08 [2019-03-29 02:14:17,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 16.48/8.08 [2019-03-29 02:14:17,811 INFO L93 Difference]: Finished difference Result 4 states and 5 transitions. 16.48/8.08 [2019-03-29 02:14:17,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 16.48/8.08 [2019-03-29 02:14:17,815 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 5 transitions. 16.48/8.08 [2019-03-29 02:14:17,816 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 16.48/8.08 [2019-03-29 02:14:17,820 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 4 states and 5 transitions. 16.48/8.08 [2019-03-29 02:14:17,821 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 16.48/8.08 [2019-03-29 02:14:17,821 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 16.48/8.08 [2019-03-29 02:14:17,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 5 transitions. 16.48/8.08 [2019-03-29 02:14:17,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.48/8.08 [2019-03-29 02:14:17,822 INFO L706 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. 16.48/8.08 [2019-03-29 02:14:17,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 5 transitions. 16.48/8.08 [2019-03-29 02:14:17,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. 16.48/8.08 [2019-03-29 02:14:17,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 16.48/8.08 [2019-03-29 02:14:17,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. 16.48/8.08 [2019-03-29 02:14:17,851 INFO L729 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. 16.48/8.08 [2019-03-29 02:14:17,851 INFO L609 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. 16.48/8.08 [2019-03-29 02:14:17,851 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 16.48/8.08 [2019-03-29 02:14:17,851 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 5 transitions. 16.48/8.08 [2019-03-29 02:14:17,852 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 16.48/8.08 [2019-03-29 02:14:17,852 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.48/8.08 [2019-03-29 02:14:17,852 INFO L119 BuchiIsEmpty]: Starting construction of run 16.48/8.08 [2019-03-29 02:14:17,852 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 16.48/8.08 [2019-03-29 02:14:17,852 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 16.48/8.08 [2019-03-29 02:14:17,853 INFO L794 eck$LassoCheckResult]: Stem: 18#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L13-3: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |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_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 16#L13-3 16.48/8.08 [2019-03-29 02:14:17,853 INFO L796 eck$LassoCheckResult]: Loop: 16#L13-3 [32] L13-3-->L13-2: Formula: (and (< v_ULTIMATE.start_main_~z~0_9 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_~z~0=v_ULTIMATE.start_main_~z~0_9, 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_~z~0=v_ULTIMATE.start_main_~z~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 17#L13-2 [37] L13-2-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 (- 1))) (< v_ULTIMATE.start_main_~z~0_7 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~x~0_6 (+ v_ULTIMATE.start_main_~x~0_7 (- 1))) (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1))) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 19#L13-2 [41] L13-2-->L13-3: Formula: (>= v_ULTIMATE.start_main_~z~0_6 v_ULTIMATE.start_main_~y~0_6) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6} AuxVars[] AssignedVars[] 16#L13-3 16.48/8.08 [2019-03-29 02:14:17,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.48/8.08 [2019-03-29 02:14:17,854 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 2 times 16.48/8.08 [2019-03-29 02:14:17,854 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.48/8.08 [2019-03-29 02:14:17,854 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.48/8.08 [2019-03-29 02:14:17,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.48/8.08 [2019-03-29 02:14:17,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.48/8.08 [2019-03-29 02:14:17,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.48/8.08 [2019-03-29 02:14:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.48/8.08 [2019-03-29 02:14:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.48/8.08 [2019-03-29 02:14:17,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.48/8.08 [2019-03-29 02:14:17,862 INFO L82 PathProgramCache]: Analyzing trace with hash 61731, now seen corresponding path program 1 times 16.48/8.08 [2019-03-29 02:14:17,862 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.48/8.08 [2019-03-29 02:14:17,863 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.48/8.08 [2019-03-29 02:14:17,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.48/8.08 [2019-03-29 02:14:17,864 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 16.48/8.08 [2019-03-29 02:14:17,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.48/8.08 [2019-03-29 02:14:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.48/8.08 [2019-03-29 02:14:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.48/8.08 [2019-03-29 02:14:17,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.48/8.08 [2019-03-29 02:14:17,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1968355, now seen corresponding path program 1 times 16.48/8.08 [2019-03-29 02:14:17,878 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.48/8.08 [2019-03-29 02:14:17,878 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.48/8.08 [2019-03-29 02:14:17,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.48/8.08 [2019-03-29 02:14:17,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.48/8.08 [2019-03-29 02:14:17,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.48/8.08 [2019-03-29 02:14:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.48/8.08 [2019-03-29 02:14:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.48/8.08 [2019-03-29 02:14:17,968 INFO L216 LassoAnalysis]: Preferences: 16.48/8.08 [2019-03-29 02:14:17,969 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.48/8.08 [2019-03-29 02:14:17,969 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.48/8.08 [2019-03-29 02:14:17,970 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.48/8.08 [2019-03-29 02:14:17,970 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.48/8.08 [2019-03-29 02:14:17,970 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.48/8.08 [2019-03-29 02:14:17,970 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.48/8.08 [2019-03-29 02:14:17,970 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.48/8.08 [2019-03-29 02:14:17,970 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 16.48/8.08 [2019-03-29 02:14:17,971 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.48/8.08 [2019-03-29 02:14:17,971 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.48/8.08 [2019-03-29 02:14:17,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.48/8.08 [2019-03-29 02:14:17,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.48/8.08 [2019-03-29 02:14:18,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.48/8.08 [2019-03-29 02:14:18,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.48/8.08 [2019-03-29 02:14:18,159 INFO L300 LassoAnalysis]: Preprocessing complete. 16.48/8.08 [2019-03-29 02:14:18,160 INFO L412 LassoAnalysis]: Checking for nontermination... 16.48/8.08 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.48/8.08 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.48/8.08 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.48/8.08 [2019-03-29 02:14:18,169 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.48/8.08 [2019-03-29 02:14:18,169 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.48/8.08 [2019-03-29 02:14:18,202 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.48/8.08 [2019-03-29 02:14:18,202 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: [] 16.48/8.08 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.48/8.08 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.48/8.08 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.48/8.08 [2019-03-29 02:14:18,208 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.48/8.08 [2019-03-29 02:14:18,208 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.48/8.08 [2019-03-29 02:14:18,235 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.48/8.08 [2019-03-29 02:14:18,235 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: [] 16.48/8.08 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.48/8.08 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.48/8.08 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.48/8.08 [2019-03-29 02:14:18,240 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.48/8.08 [2019-03-29 02:14:18,240 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.48/8.08 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.48/8.08 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.48/8.08 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.48/8.08 [2019-03-29 02:14:18,270 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.48/8.08 [2019-03-29 02:14:18,270 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.48/8.08 [2019-03-29 02:14:18,307 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.48/8.08 [2019-03-29 02:14:18,307 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=0} Honda state: {ULTIMATE.start_main_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=0}, {ULTIMATE.start_main_~c~0=-1}, {ULTIMATE.start_main_~c~0=2}] Lambdas: [4, 3, 1] Nus: [0, 1] 16.48/8.08 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.48/8.08 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.48/8.08 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.48/8.08 [2019-03-29 02:14:18,335 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.48/8.08 [2019-03-29 02:14:18,336 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.48/8.08 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.48/8.08 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.48/8.08 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.48/8.08 [2019-03-29 02:14:18,367 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.48/8.08 [2019-03-29 02:14:18,367 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.48/8.08 [2019-03-29 02:14:18,820 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.48/8.08 [2019-03-29 02:14:18,823 INFO L216 LassoAnalysis]: Preferences: 16.48/8.08 [2019-03-29 02:14:18,823 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.48/8.08 [2019-03-29 02:14:18,823 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.48/8.08 [2019-03-29 02:14:18,823 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.48/8.08 [2019-03-29 02:14:18,824 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.48/8.08 [2019-03-29 02:14:18,824 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.48/8.08 [2019-03-29 02:14:18,824 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.48/8.08 [2019-03-29 02:14:18,824 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.48/8.08 [2019-03-29 02:14:18,824 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 16.48/8.08 [2019-03-29 02:14:18,824 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.48/8.08 [2019-03-29 02:14:18,824 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.48/8.08 [2019-03-29 02:14:18,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.48/8.08 [2019-03-29 02:14:18,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.48/8.08 [2019-03-29 02:14:18,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.48/8.08 [2019-03-29 02:14:18,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.48/8.08 [2019-03-29 02:14:18,952 INFO L300 LassoAnalysis]: Preprocessing complete. 16.48/8.08 [2019-03-29 02:14:18,958 INFO L497 LassoAnalysis]: Using template 'affine'. 16.48/8.08 [2019-03-29 02:14:18,960 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.48/8.08 Termination analysis: LINEAR_WITH_GUESSES 16.48/8.08 Number of strict supporting invariants: 0 16.48/8.08 Number of non-strict supporting invariants: 1 16.48/8.08 Consider only non-deceasing supporting invariants: true 16.48/8.08 Simplify termination arguments: true 16.48/8.08 Simplify supporting invariants: trueOverapproximate stem: false 16.48/8.08 [2019-03-29 02:14:18,962 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.48/8.08 [2019-03-29 02:14:18,962 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.48/8.08 [2019-03-29 02:14:18,962 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.48/8.08 [2019-03-29 02:14:18,962 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.48/8.08 [2019-03-29 02:14:18,967 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.48/8.08 [2019-03-29 02:14:18,967 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.48/8.08 [2019-03-29 02:14:18,974 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.48/8.08 [2019-03-29 02:14:18,974 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.48/8.08 Termination analysis: LINEAR_WITH_GUESSES 16.48/8.08 Number of strict supporting invariants: 0 16.48/8.08 Number of non-strict supporting invariants: 1 16.48/8.08 Consider only non-deceasing supporting invariants: true 16.48/8.08 Simplify termination arguments: true 16.48/8.08 Simplify supporting invariants: trueOverapproximate stem: false 16.48/8.08 [2019-03-29 02:14:18,975 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.48/8.08 [2019-03-29 02:14:18,975 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.48/8.08 [2019-03-29 02:14:18,975 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.48/8.08 [2019-03-29 02:14:18,975 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.48/8.08 [2019-03-29 02:14:18,978 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.48/8.08 [2019-03-29 02:14:18,978 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.48/8.08 [2019-03-29 02:14:18,985 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.48/8.08 [2019-03-29 02:14:18,985 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.48/8.08 Termination analysis: LINEAR_WITH_GUESSES 16.48/8.08 Number of strict supporting invariants: 0 16.48/8.08 Number of non-strict supporting invariants: 1 16.48/8.08 Consider only non-deceasing supporting invariants: true 16.48/8.08 Simplify termination arguments: true 16.48/8.08 Simplify supporting invariants: trueOverapproximate stem: false 16.48/8.08 [2019-03-29 02:14:18,986 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.48/8.08 [2019-03-29 02:14:18,986 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.48/8.08 [2019-03-29 02:14:18,987 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.48/8.08 [2019-03-29 02:14:18,987 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.48/8.08 [2019-03-29 02:14:18,987 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.48/8.08 [2019-03-29 02:14:18,988 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.48/8.08 [2019-03-29 02:14:18,988 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.48/8.08 [2019-03-29 02:14:18,992 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.48/8.08 [2019-03-29 02:14:18,992 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.48/8.08 Termination analysis: LINEAR_WITH_GUESSES 16.48/8.08 Number of strict supporting invariants: 0 16.48/8.08 Number of non-strict supporting invariants: 1 16.48/8.08 Consider only non-deceasing supporting invariants: true 16.48/8.08 Simplify termination arguments: true 16.48/8.08 Simplify supporting invariants: trueOverapproximate stem: false 16.48/8.08 [2019-03-29 02:14:18,993 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.48/8.08 [2019-03-29 02:14:18,993 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.48/8.08 [2019-03-29 02:14:18,993 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.48/8.08 [2019-03-29 02:14:18,994 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.48/8.08 [2019-03-29 02:14:18,994 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.48/8.08 [2019-03-29 02:14:18,995 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.48/8.08 [2019-03-29 02:14:18,995 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.48/8.08 [2019-03-29 02:14:19,003 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.48/8.08 [2019-03-29 02:14:19,015 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 16.48/8.08 [2019-03-29 02:14:19,015 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. 16.48/8.08 [2019-03-29 02:14:19,018 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.48/8.08 [2019-03-29 02:14:19,018 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 16.48/8.08 [2019-03-29 02:14:19,018 INFO L518 LassoAnalysis]: Proved termination. 16.48/8.08 [2019-03-29 02:14:19,019 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.48/8.08 Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~z~0) = 1*ULTIMATE.start_main_~x~0 - 1*ULTIMATE.start_main_~z~0 16.48/8.08 Supporting invariants [] 16.48/8.08 [2019-03-29 02:14:19,020 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 16.48/8.08 [2019-03-29 02:14:19,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.48/8.08 [2019-03-29 02:14:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.48/8.08 [2019-03-29 02:14:19,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core 16.48/8.08 [2019-03-29 02:14:19,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.48/8.08 [2019-03-29 02:14:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.48/8.08 [2019-03-29 02:14:19,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core 16.48/8.08 [2019-03-29 02:14:19,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.48/8.08 [2019-03-29 02:14:19,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.48/8.08 [2019-03-29 02:14:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.48/8.08 [2019-03-29 02:14:19,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core 16.48/8.08 [2019-03-29 02:14:19,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.48/8.08 [2019-03-29 02:14:19,209 INFO L98 LoopCannibalizer]: 4 predicates before loop cannibalization 5 predicates after loop cannibalization 16.48/8.08 [2019-03-29 02:14:19,212 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 5 loop predicates 16.48/8.08 [2019-03-29 02:14:19,214 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states and 5 transitions. cyclomatic complexity: 2 Second operand 4 states. 16.48/8.08 [2019-03-29 02:14:19,334 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states and 5 transitions. cyclomatic complexity: 2. Second operand 4 states. Result 15 states and 20 transitions. Complement of second has 11 states. 16.48/8.08 [2019-03-29 02:14:19,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 1 accepting loop states 16.48/8.08 [2019-03-29 02:14:19,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 16.48/8.08 [2019-03-29 02:14:19,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 16 transitions. 16.48/8.08 [2019-03-29 02:14:19,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 1 letters. Loop has 3 letters. 16.48/8.08 [2019-03-29 02:14:19,340 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.48/8.08 [2019-03-29 02:14:19,340 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 4 letters. Loop has 3 letters. 16.48/8.08 [2019-03-29 02:14:19,340 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.48/8.08 [2019-03-29 02:14:19,341 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 1 letters. Loop has 6 letters. 16.48/8.08 [2019-03-29 02:14:19,341 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.48/8.08 [2019-03-29 02:14:19,346 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 20 transitions. 16.48/8.08 [2019-03-29 02:14:19,347 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 16.48/8.08 [2019-03-29 02:14:19,348 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 6 states and 6 transitions. 16.48/8.08 [2019-03-29 02:14:19,348 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 16.48/8.08 [2019-03-29 02:14:19,349 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 16.48/8.08 [2019-03-29 02:14:19,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6 transitions. 16.48/8.08 [2019-03-29 02:14:19,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.48/8.08 [2019-03-29 02:14:19,349 INFO L706 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. 16.48/8.08 [2019-03-29 02:14:19,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 6 transitions. 16.48/8.08 [2019-03-29 02:14:19,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 3. 16.48/8.08 [2019-03-29 02:14:19,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 16.48/8.08 [2019-03-29 02:14:19,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. 16.48/8.08 [2019-03-29 02:14:19,350 INFO L729 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. 16.48/8.08 [2019-03-29 02:14:19,350 INFO L609 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. 16.48/8.08 [2019-03-29 02:14:19,351 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 16.48/8.08 [2019-03-29 02:14:19,351 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 3 transitions. 16.48/8.08 [2019-03-29 02:14:19,351 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 16.48/8.08 [2019-03-29 02:14:19,351 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.48/8.08 [2019-03-29 02:14:19,351 INFO L119 BuchiIsEmpty]: Starting construction of run 16.48/8.08 [2019-03-29 02:14:19,352 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 16.48/8.08 [2019-03-29 02:14:19,352 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 16.48/8.08 [2019-03-29 02:14:19,352 INFO L794 eck$LassoCheckResult]: Stem: 92#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L13-3: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |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_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 90#L13-3 [32] L13-3-->L13-2: Formula: (and (< v_ULTIMATE.start_main_~z~0_9 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_~z~0=v_ULTIMATE.start_main_~z~0_9, 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_~z~0=v_ULTIMATE.start_main_~z~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 91#L13-2 16.48/8.08 [2019-03-29 02:14:19,352 INFO L796 eck$LassoCheckResult]: Loop: 91#L13-2 [37] L13-2-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 (- 1))) (< v_ULTIMATE.start_main_~z~0_7 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~x~0_6 (+ v_ULTIMATE.start_main_~x~0_7 (- 1))) (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1))) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 91#L13-2 16.48/8.08 [2019-03-29 02:14:19,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.48/8.08 [2019-03-29 02:14:19,353 INFO L82 PathProgramCache]: Analyzing trace with hash 2047, now seen corresponding path program 1 times 16.48/8.08 [2019-03-29 02:14:19,353 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.48/8.08 [2019-03-29 02:14:19,353 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.48/8.08 [2019-03-29 02:14:19,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.48/8.08 [2019-03-29 02:14:19,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.48/8.08 [2019-03-29 02:14:19,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.48/8.08 [2019-03-29 02:14:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.48/8.08 [2019-03-29 02:14:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.48/8.08 [2019-03-29 02:14:19,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.48/8.08 [2019-03-29 02:14:19,362 INFO L82 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 1 times 16.48/8.08 [2019-03-29 02:14:19,362 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.48/8.08 [2019-03-29 02:14:19,362 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.48/8.08 [2019-03-29 02:14:19,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.48/8.08 [2019-03-29 02:14:19,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.48/8.08 [2019-03-29 02:14:19,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.48/8.08 [2019-03-29 02:14:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.48/8.08 [2019-03-29 02:14:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.48/8.08 [2019-03-29 02:14:19,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.48/8.08 [2019-03-29 02:14:19,369 INFO L82 PathProgramCache]: Analyzing trace with hash 63494, now seen corresponding path program 1 times 16.48/8.08 [2019-03-29 02:14:19,369 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.48/8.08 [2019-03-29 02:14:19,369 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.48/8.08 [2019-03-29 02:14:19,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.48/8.08 [2019-03-29 02:14:19,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.48/8.08 [2019-03-29 02:14:19,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.48/8.08 [2019-03-29 02:14:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.48/8.08 [2019-03-29 02:14:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.48/8.08 [2019-03-29 02:14:19,401 INFO L216 LassoAnalysis]: Preferences: 16.48/8.08 [2019-03-29 02:14:19,401 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.48/8.08 [2019-03-29 02:14:19,401 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.48/8.08 [2019-03-29 02:14:19,401 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.48/8.08 [2019-03-29 02:14:19,401 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.48/8.08 [2019-03-29 02:14:19,402 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.48/8.08 [2019-03-29 02:14:19,402 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.48/8.08 [2019-03-29 02:14:19,402 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.48/8.08 [2019-03-29 02:14:19,402 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 16.48/8.08 [2019-03-29 02:14:19,402 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.48/8.08 [2019-03-29 02:14:19,402 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.48/8.08 [2019-03-29 02:14:19,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.48/8.08 [2019-03-29 02:14:19,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.48/8.08 [2019-03-29 02:14:19,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.48/8.08 [2019-03-29 02:14:19,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.48/8.08 [2019-03-29 02:14:19,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.48/8.08 [2019-03-29 02:14:19,488 INFO L300 LassoAnalysis]: Preprocessing complete. 16.48/8.08 [2019-03-29 02:14:19,488 INFO L412 LassoAnalysis]: Checking for nontermination... 16.48/8.08 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.48/8.08 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.48/8.08 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.48/8.08 [2019-03-29 02:14:19,493 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.48/8.08 [2019-03-29 02:14:19,493 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.48/8.08 [2019-03-29 02:14:19,522 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.48/8.08 [2019-03-29 02:14:19,522 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.48/8.08 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.48/8.08 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.48/8.08 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.48/8.08 [2019-03-29 02:14:19,532 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.48/8.08 [2019-03-29 02:14:19,532 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.48/8.08 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.48/8.08 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.48/8.08 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.48/8.08 [2019-03-29 02:14:19,573 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.48/8.08 [2019-03-29 02:14:19,573 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.48/8.08 [2019-03-29 02:14:19,591 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.48/8.08 [2019-03-29 02:14:19,591 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~x~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=-4}, {ULTIMATE.start_main_~x~0=-3}, {ULTIMATE.start_main_~x~0=6}] Lambdas: [1, 1, 1] Nus: [0, 0] 16.48/8.08 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.48/8.08 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.48/8.08 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.48/8.08 [2019-03-29 02:14:19,621 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.48/8.08 [2019-03-29 02:14:19,621 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.48/8.08 [2019-03-29 02:14:19,650 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.48/8.08 [2019-03-29 02:14:19,650 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.48/8.08 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.48/8.08 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.48/8.08 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.48/8.08 [2019-03-29 02:14:19,656 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.48/8.08 [2019-03-29 02:14:19,656 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.48/8.08 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.48/8.08 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.48/8.08 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.48/8.08 [2019-03-29 02:14:19,688 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.48/8.08 [2019-03-29 02:14:19,688 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.48/8.08 [2019-03-29 02:14:19,725 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.48/8.08 [2019-03-29 02:14:19,726 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=0} Honda state: {ULTIMATE.start_main_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=0}, {ULTIMATE.start_main_~c~0=-1}, {ULTIMATE.start_main_~c~0=2}] Lambdas: [4, 3, 1] Nus: [0, 1] 16.48/8.08 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.48/8.08 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.48/8.08 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.48/8.08 [2019-03-29 02:14:19,753 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.48/8.08 [2019-03-29 02:14:19,754 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.48/8.08 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.48/8.08 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.48/8.08 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.48/8.08 [2019-03-29 02:14:19,786 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.48/8.08 [2019-03-29 02:14:19,786 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.48/8.08 [2019-03-29 02:14:20,034 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.48/8.08 [2019-03-29 02:14:20,036 INFO L216 LassoAnalysis]: Preferences: 16.48/8.08 [2019-03-29 02:14:20,036 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.48/8.08 [2019-03-29 02:14:20,037 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.48/8.08 [2019-03-29 02:14:20,037 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.48/8.08 [2019-03-29 02:14:20,037 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.48/8.08 [2019-03-29 02:14:20,037 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.48/8.08 [2019-03-29 02:14:20,037 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.48/8.08 [2019-03-29 02:14:20,037 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.48/8.08 [2019-03-29 02:14:20,037 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 16.48/8.08 [2019-03-29 02:14:20,038 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.48/8.08 [2019-03-29 02:14:20,038 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.48/8.08 [2019-03-29 02:14:20,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.48/8.08 [2019-03-29 02:14:20,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.48/8.08 [2019-03-29 02:14:20,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.48/8.08 [2019-03-29 02:14:20,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.48/8.08 [2019-03-29 02:14:20,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.48/8.08 [2019-03-29 02:14:20,114 INFO L300 LassoAnalysis]: Preprocessing complete. 16.48/8.08 [2019-03-29 02:14:20,114 INFO L497 LassoAnalysis]: Using template 'affine'. 16.48/8.08 [2019-03-29 02:14:20,114 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.48/8.08 Termination analysis: LINEAR_WITH_GUESSES 16.48/8.08 Number of strict supporting invariants: 0 16.48/8.08 Number of non-strict supporting invariants: 1 16.48/8.08 Consider only non-deceasing supporting invariants: true 16.48/8.08 Simplify termination arguments: true 16.48/8.08 Simplify supporting invariants: trueOverapproximate stem: false 16.48/8.08 [2019-03-29 02:14:20,115 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.48/8.08 [2019-03-29 02:14:20,115 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.48/8.08 [2019-03-29 02:14:20,115 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.48/8.08 [2019-03-29 02:14:20,116 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.48/8.08 [2019-03-29 02:14:20,118 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.48/8.08 [2019-03-29 02:14:20,118 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.48/8.08 [2019-03-29 02:14:20,121 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.48/8.08 [2019-03-29 02:14:20,121 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.48/8.08 Termination analysis: LINEAR_WITH_GUESSES 16.48/8.08 Number of strict supporting invariants: 0 16.48/8.08 Number of non-strict supporting invariants: 1 16.48/8.08 Consider only non-deceasing supporting invariants: true 16.48/8.08 Simplify termination arguments: true 16.48/8.08 Simplify supporting invariants: trueOverapproximate stem: false 16.48/8.08 [2019-03-29 02:14:20,122 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.48/8.08 [2019-03-29 02:14:20,122 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.48/8.08 [2019-03-29 02:14:20,122 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.48/8.08 [2019-03-29 02:14:20,123 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.48/8.08 [2019-03-29 02:14:20,123 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.48/8.08 [2019-03-29 02:14:20,123 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.48/8.08 [2019-03-29 02:14:20,123 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.48/8.08 [2019-03-29 02:14:20,126 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.48/8.08 [2019-03-29 02:14:20,127 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.48/8.08 Termination analysis: LINEAR_WITH_GUESSES 16.48/8.08 Number of strict supporting invariants: 0 16.48/8.08 Number of non-strict supporting invariants: 1 16.48/8.08 Consider only non-deceasing supporting invariants: true 16.48/8.08 Simplify termination arguments: true 16.48/8.08 Simplify supporting invariants: trueOverapproximate stem: false 16.48/8.08 [2019-03-29 02:14:20,127 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.48/8.08 [2019-03-29 02:14:20,127 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.48/8.08 [2019-03-29 02:14:20,127 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.48/8.08 [2019-03-29 02:14:20,128 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.48/8.08 [2019-03-29 02:14:20,129 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.48/8.08 [2019-03-29 02:14:20,130 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.48/8.08 [2019-03-29 02:14:20,134 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.48/8.08 [2019-03-29 02:14:20,135 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.48/8.08 Termination analysis: LINEAR_WITH_GUESSES 16.48/8.08 Number of strict supporting invariants: 0 16.48/8.08 Number of non-strict supporting invariants: 1 16.48/8.08 Consider only non-deceasing supporting invariants: true 16.48/8.08 Simplify termination arguments: true 16.48/8.08 Simplify supporting invariants: trueOverapproximate stem: false 16.48/8.08 [2019-03-29 02:14:20,135 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.48/8.08 [2019-03-29 02:14:20,135 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.48/8.08 [2019-03-29 02:14:20,135 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.48/8.08 [2019-03-29 02:14:20,136 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.48/8.08 [2019-03-29 02:14:20,136 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.48/8.08 [2019-03-29 02:14:20,136 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.48/8.08 [2019-03-29 02:14:20,136 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.48/8.08 [2019-03-29 02:14:20,139 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.48/8.08 [2019-03-29 02:14:20,139 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.48/8.08 Termination analysis: LINEAR_WITH_GUESSES 16.48/8.08 Number of strict supporting invariants: 0 16.48/8.08 Number of non-strict supporting invariants: 1 16.48/8.08 Consider only non-deceasing supporting invariants: true 16.48/8.08 Simplify termination arguments: true 16.48/8.08 Simplify supporting invariants: trueOverapproximate stem: false 16.48/8.08 [2019-03-29 02:14:20,140 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.48/8.08 [2019-03-29 02:14:20,140 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.48/8.08 [2019-03-29 02:14:20,140 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.48/8.08 [2019-03-29 02:14:20,140 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.48/8.08 [2019-03-29 02:14:20,140 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.48/8.08 [2019-03-29 02:14:20,141 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.48/8.08 [2019-03-29 02:14:20,141 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.48/8.08 [2019-03-29 02:14:20,144 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.48/8.08 [2019-03-29 02:14:20,148 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 16.48/8.08 [2019-03-29 02:14:20,148 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 16.48/8.08 [2019-03-29 02:14:20,148 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.48/8.08 [2019-03-29 02:14:20,149 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 16.48/8.08 [2019-03-29 02:14:20,149 INFO L518 LassoAnalysis]: Proved termination. 16.48/8.08 [2019-03-29 02:14:20,149 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.48/8.08 Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0) = 1*ULTIMATE.start_main_~y~0 - 1*ULTIMATE.start_main_~z~0 16.48/8.08 Supporting invariants [] 16.48/8.08 [2019-03-29 02:14:20,149 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 16.48/8.08 [2019-03-29 02:14:20,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.48/8.08 [2019-03-29 02:14:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.48/8.08 [2019-03-29 02:14:20,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core 16.48/8.08 [2019-03-29 02:14:20,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.48/8.08 [2019-03-29 02:14:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.48/8.08 [2019-03-29 02:14:20,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core 16.48/8.08 [2019-03-29 02:14:20,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.48/8.08 [2019-03-29 02:14:20,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.48/8.08 [2019-03-29 02:14:20,176 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 16.48/8.08 [2019-03-29 02:14:20,177 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 1 loop predicates 16.48/8.08 [2019-03-29 02:14:20,177 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states and 3 transitions. cyclomatic complexity: 1 Second operand 2 states. 16.48/8.08 [2019-03-29 02:14:20,180 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states and 3 transitions. cyclomatic complexity: 1. Second operand 2 states. Result 4 states and 4 transitions. Complement of second has 2 states. 16.48/8.08 [2019-03-29 02:14:20,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 16.48/8.08 [2019-03-29 02:14:20,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 16.48/8.08 [2019-03-29 02:14:20,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 5 transitions. 16.48/8.08 [2019-03-29 02:14:20,181 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 2 letters. Loop has 1 letters. 16.48/8.08 [2019-03-29 02:14:20,182 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.48/8.08 [2019-03-29 02:14:20,182 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 3 letters. Loop has 1 letters. 16.48/8.08 [2019-03-29 02:14:20,183 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.48/8.08 [2019-03-29 02:14:20,183 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 2 letters. Loop has 2 letters. 16.48/8.08 [2019-03-29 02:14:20,183 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.48/8.08 [2019-03-29 02:14:20,184 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 4 transitions. 16.48/8.08 [2019-03-29 02:14:20,184 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 16.48/8.08 [2019-03-29 02:14:20,184 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 0 states and 0 transitions. 16.48/8.08 [2019-03-29 02:14:20,185 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 16.48/8.08 [2019-03-29 02:14:20,185 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 16.48/8.08 [2019-03-29 02:14:20,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 16.48/8.08 [2019-03-29 02:14:20,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.48/8.08 [2019-03-29 02:14:20,185 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.48/8.08 [2019-03-29 02:14:20,185 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.48/8.08 [2019-03-29 02:14:20,185 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.48/8.08 [2019-03-29 02:14:20,185 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 16.48/8.08 [2019-03-29 02:14:20,185 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 16.48/8.08 [2019-03-29 02:14:20,186 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 16.48/8.08 [2019-03-29 02:14:20,186 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 16.48/8.08 [2019-03-29 02:14:20,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:14:20 BasicIcfg 16.48/8.08 [2019-03-29 02:14:20,193 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 16.48/8.08 [2019-03-29 02:14:20,193 INFO L168 Benchmark]: Toolchain (without parser) took 3406.76 ms. Allocated memory was 649.6 MB in the beginning and 665.3 MB in the end (delta: 15.7 MB). Free memory was 564.5 MB in the beginning and 388.3 MB in the end (delta: 176.2 MB). Peak memory consumption was 192.0 MB. Max. memory is 50.3 GB. 16.48/8.08 [2019-03-29 02:14:20,195 INFO L168 Benchmark]: CDTParser took 0.18 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. 16.48/8.08 [2019-03-29 02:14:20,196 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.37 ms. Allocated memory is still 649.6 MB. Free memory was 564.5 MB in the beginning and 554.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 16.48/8.08 [2019-03-29 02:14:20,196 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.76 ms. Allocated memory was 649.6 MB in the beginning and 665.3 MB in the end (delta: 15.7 MB). Free memory was 554.6 MB in the beginning and 630.4 MB in the end (delta: -75.8 MB). Peak memory consumption was 21.4 MB. Max. memory is 50.3 GB. 16.48/8.08 [2019-03-29 02:14:20,197 INFO L168 Benchmark]: Boogie Preprocessor took 19.59 ms. Allocated memory is still 665.3 MB. Free memory was 630.4 MB in the beginning and 629.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 16.48/8.08 [2019-03-29 02:14:20,198 INFO L168 Benchmark]: RCFGBuilder took 193.74 ms. Allocated memory is still 665.3 MB. Free memory was 629.3 MB in the beginning and 614.5 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 50.3 GB. 16.48/8.08 [2019-03-29 02:14:20,198 INFO L168 Benchmark]: BlockEncodingV2 took 74.24 ms. Allocated memory is still 665.3 MB. Free memory was 614.5 MB in the beginning and 610.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. 16.48/8.08 [2019-03-29 02:14:20,199 INFO L168 Benchmark]: TraceAbstraction took 158.77 ms. Allocated memory is still 665.3 MB. Free memory was 609.1 MB in the beginning and 600.5 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 16.48/8.08 [2019-03-29 02:14:20,199 INFO L168 Benchmark]: BuchiAutomizer took 2636.95 ms. Allocated memory is still 665.3 MB. Free memory was 600.5 MB in the beginning and 388.3 MB in the end (delta: 212.2 MB). Peak memory consumption was 212.2 MB. Max. memory is 50.3 GB. 16.48/8.08 [2019-03-29 02:14:20,204 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 16.48/8.08 --- Results --- 16.48/8.08 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 16.48/8.08 - StatisticsResult: Initial Icfg 16.48/8.08 7 locations, 10 edges 16.48/8.08 - StatisticsResult: Encoded RCFG 16.48/8.08 3 locations, 4 edges 16.48/8.08 * Results from de.uni_freiburg.informatik.ultimate.core: 16.48/8.08 - StatisticsResult: Toolchain Benchmarks 16.48/8.08 Benchmark results are: 16.48/8.08 * CDTParser took 0.18 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. 16.48/8.08 * CACSL2BoogieTranslator took 228.37 ms. Allocated memory is still 649.6 MB. Free memory was 564.5 MB in the beginning and 554.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 16.48/8.08 * Boogie Procedure Inliner took 89.76 ms. Allocated memory was 649.6 MB in the beginning and 665.3 MB in the end (delta: 15.7 MB). Free memory was 554.6 MB in the beginning and 630.4 MB in the end (delta: -75.8 MB). Peak memory consumption was 21.4 MB. Max. memory is 50.3 GB. 16.48/8.08 * Boogie Preprocessor took 19.59 ms. Allocated memory is still 665.3 MB. Free memory was 630.4 MB in the beginning and 629.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 16.48/8.08 * RCFGBuilder took 193.74 ms. Allocated memory is still 665.3 MB. Free memory was 629.3 MB in the beginning and 614.5 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 50.3 GB. 16.48/8.08 * BlockEncodingV2 took 74.24 ms. Allocated memory is still 665.3 MB. Free memory was 614.5 MB in the beginning and 610.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. 16.48/8.08 * TraceAbstraction took 158.77 ms. Allocated memory is still 665.3 MB. Free memory was 609.1 MB in the beginning and 600.5 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 16.48/8.08 * BuchiAutomizer took 2636.95 ms. Allocated memory is still 665.3 MB. Free memory was 600.5 MB in the beginning and 388.3 MB in the end (delta: 212.2 MB). Peak memory consumption was 212.2 MB. Max. memory is 50.3 GB. 16.48/8.08 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 16.48/8.08 - AllSpecificationsHoldResult: All specifications hold 16.48/8.08 We were not able to verify any specifiation because the program does not contain any specification. 16.48/8.08 - InvariantResult [Line: 12]: Loop Invariant 16.48/8.08 Derived loop invariant: 1 16.48/8.08 - InvariantResult [Line: 13]: Loop Invariant 16.48/8.08 Derived loop invariant: 1 16.48/8.08 - StatisticsResult: Ultimate Automizer benchmark data 16.48/8.08 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 16.48/8.08 - StatisticsResult: Constructed decomposition of program 16.48/8.08 Your program was decomposed into 3 terminating modules (1 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function x + -1 * z and consists of 7 locations. One nondeterministic module has affine ranking function y + -1 * z and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. 16.48/8.08 - StatisticsResult: Timing statistics 16.48/8.08 BüchiAutomizer plugin needed 2.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/1 HoareTripleCheckerStatistics: 8 SDtfs, 10 SDslu, 0 SDs, 0 SdLazy, 32 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax153 hnf100 lsp43 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq168 hnf92 smp92 dnf100 smp100 tf110 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.1s 16.48/8.08 - TerminationAnalysisResult: Termination proven 16.48/8.08 Buchi Automizer proved that your program is terminating 16.48/8.08 RESULT: Ultimate proved your program to be correct! 16.48/8.08 !SESSION 2019-03-29 02:14:13.384 ----------------------------------------------- 16.48/8.08 eclipse.buildId=unknown 16.48/8.08 java.version=1.8.0_181 16.48/8.08 java.vendor=Oracle Corporation 16.48/8.08 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 16.48/8.08 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 16.48/8.08 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 16.48/8.08 16.48/8.08 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 02:14:20.438 16.48/8.08 !MESSAGE The workspace will exit with unsaved changes in this session. 16.48/8.08 Received shutdown request... 16.48/8.08 Ultimate: 16.48/8.08 GTK+ Version Check 16.48/8.08 EOF