15.93/7.36 NO 15.93/7.36 15.93/7.36 Ultimate: Cannot open display: 15.93/7.36 This is Ultimate 0.1.24-8dc7c08-m 15.93/7.36 [2019-03-28 22:30:47,650 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.93/7.36 [2019-03-28 22:30:47,653 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.93/7.36 [2019-03-28 22:30:47,664 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.93/7.36 [2019-03-28 22:30:47,664 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.93/7.36 [2019-03-28 22:30:47,665 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.93/7.36 [2019-03-28 22:30:47,667 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.93/7.36 [2019-03-28 22:30:47,668 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.93/7.36 [2019-03-28 22:30:47,670 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.93/7.36 [2019-03-28 22:30:47,670 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.93/7.36 [2019-03-28 22:30:47,671 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.93/7.36 [2019-03-28 22:30:47,672 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.93/7.36 [2019-03-28 22:30:47,672 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.93/7.36 [2019-03-28 22:30:47,673 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.93/7.36 [2019-03-28 22:30:47,674 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.93/7.36 [2019-03-28 22:30:47,675 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.93/7.36 [2019-03-28 22:30:47,676 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.93/7.36 [2019-03-28 22:30:47,677 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.93/7.36 [2019-03-28 22:30:47,679 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.93/7.36 [2019-03-28 22:30:47,681 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.93/7.36 [2019-03-28 22:30:47,682 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.93/7.36 [2019-03-28 22:30:47,683 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.93/7.36 [2019-03-28 22:30:47,685 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.93/7.36 [2019-03-28 22:30:47,685 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.93/7.36 [2019-03-28 22:30:47,686 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.93/7.36 [2019-03-28 22:30:47,686 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.93/7.36 [2019-03-28 22:30:47,687 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.93/7.36 [2019-03-28 22:30:47,688 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.93/7.36 [2019-03-28 22:30:47,688 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.93/7.36 [2019-03-28 22:30:47,689 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.93/7.36 [2019-03-28 22:30:47,689 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.93/7.36 [2019-03-28 22:30:47,690 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.93/7.36 [2019-03-28 22:30:47,691 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.93/7.36 [2019-03-28 22:30:47,691 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.93/7.36 [2019-03-28 22:30:47,692 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.93/7.36 [2019-03-28 22:30:47,692 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.93/7.36 [2019-03-28 22:30:47,692 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.93/7.36 [2019-03-28 22:30:47,693 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.93/7.36 [2019-03-28 22:30:47,694 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.93/7.36 [2019-03-28 22:30:47,694 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 15.93/7.36 [2019-03-28 22:30:47,709 INFO L110 SettingsManager]: Loading preferences was successful 15.93/7.36 [2019-03-28 22:30:47,710 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.93/7.36 [2019-03-28 22:30:47,711 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.93/7.36 [2019-03-28 22:30:47,711 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.93/7.36 [2019-03-28 22:30:47,711 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.93/7.36 [2019-03-28 22:30:47,711 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.93/7.36 [2019-03-28 22:30:47,711 INFO L133 SettingsManager]: * Use SBE=true 15.93/7.36 [2019-03-28 22:30:47,712 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.93/7.36 [2019-03-28 22:30:47,712 INFO L133 SettingsManager]: * Use old map elimination=false 15.93/7.36 [2019-03-28 22:30:47,712 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.93/7.36 [2019-03-28 22:30:47,712 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.93/7.36 [2019-03-28 22:30:47,712 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.93/7.36 [2019-03-28 22:30:47,713 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.93/7.36 [2019-03-28 22:30:47,713 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.93/7.36 [2019-03-28 22:30:47,713 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.93/7.36 [2019-03-28 22:30:47,713 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.93/7.36 [2019-03-28 22:30:47,713 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.93/7.36 [2019-03-28 22:30:47,713 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.93/7.36 [2019-03-28 22:30:47,714 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.93/7.36 [2019-03-28 22:30:47,714 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.93/7.36 [2019-03-28 22:30:47,714 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.93/7.36 [2019-03-28 22:30:47,714 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.93/7.36 [2019-03-28 22:30:47,714 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.93/7.36 [2019-03-28 22:30:47,715 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.93/7.36 [2019-03-28 22:30:47,715 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.93/7.36 [2019-03-28 22:30:47,715 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.93/7.36 [2019-03-28 22:30:47,715 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.93/7.36 [2019-03-28 22:30:47,715 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.93/7.36 [2019-03-28 22:30:47,715 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.93/7.36 [2019-03-28 22:30:47,741 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.93/7.36 [2019-03-28 22:30:47,753 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.93/7.36 [2019-03-28 22:30:47,757 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.93/7.36 [2019-03-28 22:30:47,758 INFO L271 PluginConnector]: Initializing CDTParser... 15.93/7.36 [2019-03-28 22:30:47,759 INFO L276 PluginConnector]: CDTParser initialized 15.93/7.36 [2019-03-28 22:30:47,759 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 15.93/7.36 [2019-03-28 22:30:47,826 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/58ffcf5f208f4e6c8c80f857d6fcd424/FLAGcef4b78ea 15.93/7.36 [2019-03-28 22:30:48,162 INFO L307 CDTParser]: Found 1 translation units. 15.93/7.36 [2019-03-28 22:30:48,163 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 15.93/7.36 [2019-03-28 22:30:48,170 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/58ffcf5f208f4e6c8c80f857d6fcd424/FLAGcef4b78ea 15.93/7.36 [2019-03-28 22:30:48,578 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/58ffcf5f208f4e6c8c80f857d6fcd424 15.93/7.36 [2019-03-28 22:30:48,589 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.93/7.36 [2019-03-28 22:30:48,591 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.93/7.36 [2019-03-28 22:30:48,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.93/7.36 [2019-03-28 22:30:48,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.93/7.36 [2019-03-28 22:30:48,596 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.93/7.36 [2019-03-28 22:30:48,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:30:48" (1/1) ... 15.93/7.36 [2019-03-28 22:30:48,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f220a6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:48, skipping insertion in model container 15.93/7.36 [2019-03-28 22:30:48,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:30:48" (1/1) ... 15.93/7.36 [2019-03-28 22:30:48,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.93/7.36 [2019-03-28 22:30:48,625 INFO L176 MainTranslator]: Built tables and reachable declarations 15.93/7.36 [2019-03-28 22:30:48,781 INFO L206 PostProcessor]: Analyzing one entry point: main 15.93/7.36 [2019-03-28 22:30:48,786 INFO L191 MainTranslator]: Completed pre-run 15.93/7.36 [2019-03-28 22:30:48,802 INFO L206 PostProcessor]: Analyzing one entry point: main 15.93/7.36 [2019-03-28 22:30:48,817 INFO L195 MainTranslator]: Completed translation 15.93/7.36 [2019-03-28 22:30:48,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:48 WrapperNode 15.93/7.36 [2019-03-28 22:30:48,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.93/7.36 [2019-03-28 22:30:48,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.93/7.36 [2019-03-28 22:30:48,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.93/7.36 [2019-03-28 22:30:48,819 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.93/7.36 [2019-03-28 22:30:48,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:48" (1/1) ... 15.93/7.36 [2019-03-28 22:30:48,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:48" (1/1) ... 15.93/7.36 [2019-03-28 22:30:48,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.93/7.36 [2019-03-28 22:30:48,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.93/7.36 [2019-03-28 22:30:48,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.93/7.36 [2019-03-28 22:30:48,924 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.93/7.36 [2019-03-28 22:30:48,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:48" (1/1) ... 15.93/7.36 [2019-03-28 22:30:48,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:48" (1/1) ... 15.93/7.36 [2019-03-28 22:30:48,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:48" (1/1) ... 15.93/7.36 [2019-03-28 22:30:48,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:48" (1/1) ... 15.93/7.36 [2019-03-28 22:30:48,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:48" (1/1) ... 15.93/7.36 [2019-03-28 22:30:48,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:48" (1/1) ... 15.93/7.36 [2019-03-28 22:30:48,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:48" (1/1) ... 15.93/7.36 [2019-03-28 22:30:48,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.93/7.36 [2019-03-28 22:30:48,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.93/7.36 [2019-03-28 22:30:48,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.93/7.36 [2019-03-28 22:30:48,945 INFO L276 PluginConnector]: RCFGBuilder initialized 15.93/7.36 [2019-03-28 22:30:48,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:48" (1/1) ... 15.93/7.36 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.93/7.36 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.93/7.36 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.93/7.36 [2019-03-28 22:30:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.93/7.36 [2019-03-28 22:30:49,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.93/7.36 [2019-03-28 22:30:49,161 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.93/7.36 [2019-03-28 22:30:49,162 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 15.93/7.36 [2019-03-28 22:30:49,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:30:49 BoogieIcfgContainer 15.93/7.36 [2019-03-28 22:30:49,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.93/7.36 [2019-03-28 22:30:49,164 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.93/7.36 [2019-03-28 22:30:49,164 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.93/7.36 [2019-03-28 22:30:49,167 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.93/7.36 [2019-03-28 22:30:49,167 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:30:49" (1/1) ... 15.93/7.36 [2019-03-28 22:30:49,183 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 15.93/7.36 [2019-03-28 22:30:49,185 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.93/7.36 [2019-03-28 22:30:49,186 INFO L263 BlockEncoder]: Using Maximize final states 15.93/7.36 [2019-03-28 22:30:49,187 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.93/7.36 [2019-03-28 22:30:49,187 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.93/7.36 [2019-03-28 22:30:49,189 INFO L296 BlockEncoder]: Using Remove sink states 15.93/7.36 [2019-03-28 22:30:49,190 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.93/7.36 [2019-03-28 22:30:49,190 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.93/7.36 [2019-03-28 22:30:49,207 INFO L185 BlockEncoder]: Using Use SBE 15.93/7.36 [2019-03-28 22:30:49,225 INFO L200 BlockEncoder]: SBE split 2 edges 15.93/7.36 [2019-03-28 22:30:49,230 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 15.93/7.36 [2019-03-28 22:30:49,232 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.93/7.36 [2019-03-28 22:30:49,245 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 15.93/7.36 [2019-03-28 22:30:49,247 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 15.93/7.36 [2019-03-28 22:30:49,248 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.93/7.36 [2019-03-28 22:30:49,249 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.93/7.36 [2019-03-28 22:30:49,249 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.93/7.36 [2019-03-28 22:30:49,249 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.93/7.36 [2019-03-28 22:30:49,250 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 5 edges 15.93/7.36 [2019-03-28 22:30:49,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:30:49 BasicIcfg 15.93/7.36 [2019-03-28 22:30:49,250 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.93/7.36 [2019-03-28 22:30:49,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.93/7.36 [2019-03-28 22:30:49,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.93/7.36 [2019-03-28 22:30:49,255 INFO L276 PluginConnector]: TraceAbstraction initialized 15.93/7.36 [2019-03-28 22:30:49,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:30:48" (1/4) ... 15.93/7.36 [2019-03-28 22:30:49,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d028b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:30:49, skipping insertion in model container 15.93/7.36 [2019-03-28 22:30:49,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:48" (2/4) ... 15.93/7.36 [2019-03-28 22:30:49,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d028b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:30:49, skipping insertion in model container 15.93/7.36 [2019-03-28 22:30:49,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:30:49" (3/4) ... 15.93/7.36 [2019-03-28 22:30:49,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d028b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:30:49, skipping insertion in model container 15.93/7.36 [2019-03-28 22:30:49,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:30:49" (4/4) ... 15.93/7.36 [2019-03-28 22:30:49,259 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.93/7.36 [2019-03-28 22:30:49,269 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.93/7.36 [2019-03-28 22:30:49,277 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.93/7.36 [2019-03-28 22:30:49,295 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.93/7.36 [2019-03-28 22:30:49,324 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.93/7.36 [2019-03-28 22:30:49,324 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.93/7.36 [2019-03-28 22:30:49,325 INFO L383 AbstractCegarLoop]: Hoare is true 15.93/7.36 [2019-03-28 22:30:49,325 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.93/7.36 [2019-03-28 22:30:49,325 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.93/7.36 [2019-03-28 22:30:49,325 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.93/7.36 [2019-03-28 22:30:49,325 INFO L387 AbstractCegarLoop]: Difference is false 15.93/7.36 [2019-03-28 22:30:49,326 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.93/7.36 [2019-03-28 22:30:49,326 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.93/7.36 [2019-03-28 22:30:49,340 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 15.93/7.36 [2019-03-28 22:30:49,346 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.93/7.36 [2019-03-28 22:30:49,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 15.93/7.36 [2019-03-28 22:30:49,401 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.93/7.36 [2019-03-28 22:30:49,402 INFO L451 ceAbstractionStarter]: At program point L13-2(lines 13 17) the Hoare annotation is: true 15.93/7.36 [2019-03-28 22:30:49,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:30:49 BasicIcfg 15.93/7.36 [2019-03-28 22:30:49,411 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.93/7.36 [2019-03-28 22:30:49,411 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.93/7.36 [2019-03-28 22:30:49,411 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.93/7.36 [2019-03-28 22:30:49,415 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.93/7.36 [2019-03-28 22:30:49,416 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.93/7.36 [2019-03-28 22:30:49,416 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:30:48" (1/5) ... 15.93/7.36 [2019-03-28 22:30:49,416 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29f925f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:30:49, skipping insertion in model container 15.93/7.36 [2019-03-28 22:30:49,417 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.93/7.36 [2019-03-28 22:30:49,417 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:48" (2/5) ... 15.93/7.36 [2019-03-28 22:30:49,417 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29f925f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:30:49, skipping insertion in model container 15.93/7.36 [2019-03-28 22:30:49,417 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.93/7.36 [2019-03-28 22:30:49,418 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:30:49" (3/5) ... 15.93/7.36 [2019-03-28 22:30:49,418 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29f925f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:30:49, skipping insertion in model container 15.93/7.36 [2019-03-28 22:30:49,418 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.93/7.36 [2019-03-28 22:30:49,418 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:30:49" (4/5) ... 15.93/7.36 [2019-03-28 22:30:49,419 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29f925f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:30:49, skipping insertion in model container 15.93/7.36 [2019-03-28 22:30:49,419 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.93/7.36 [2019-03-28 22:30:49,419 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:30:49" (5/5) ... 15.93/7.36 [2019-03-28 22:30:49,420 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.93/7.36 [2019-03-28 22:30:49,449 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.93/7.36 [2019-03-28 22:30:49,449 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.93/7.36 [2019-03-28 22:30:49,449 INFO L375 BuchiCegarLoop]: Hoare is true 15.93/7.36 [2019-03-28 22:30:49,450 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.93/7.36 [2019-03-28 22:30:49,450 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.93/7.36 [2019-03-28 22:30:49,450 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.93/7.36 [2019-03-28 22:30:49,450 INFO L379 BuchiCegarLoop]: Difference is false 15.93/7.36 [2019-03-28 22:30:49,450 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.93/7.36 [2019-03-28 22:30:49,450 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.93/7.36 [2019-03-28 22:30:49,454 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 15.93/7.36 [2019-03-28 22:30:49,473 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 15.93/7.36 [2019-03-28 22:30:49,473 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.93/7.36 [2019-03-28 22:30:49,474 INFO L119 BuchiIsEmpty]: Starting construction of run 15.93/7.36 [2019-03-28 22:30:49,480 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.93/7.36 [2019-03-28 22:30:49,480 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 15.93/7.36 [2019-03-28 22:30:49,480 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.93/7.36 [2019-03-28 22:30:49,480 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 15.93/7.36 [2019-03-28 22:30:49,481 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 15.93/7.36 [2019-03-28 22:30:49,481 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.93/7.36 [2019-03-28 22:30:49,481 INFO L119 BuchiIsEmpty]: Starting construction of run 15.93/7.36 [2019-03-28 22:30:49,481 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.93/7.36 [2019-03-28 22:30:49,481 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 15.93/7.36 [2019-03-28 22:30:49,487 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [19] ULTIMATE.startENTRY-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~t~0_1 0) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~t~0] 4#L13-2true 15.93/7.36 [2019-03-28 22:30:49,487 INFO L796 eck$LassoCheckResult]: Loop: 4#L13-2true [28] L13-2-->L13-2: Formula: (and (> 0 v_ULTIMATE.start_main_~i~0_8) (= v_ULTIMATE.start_main_~t~0_6 v_ULTIMATE.start_main_~i~0_8) (= v_ULTIMATE.start_main_~i~0_7 v_ULTIMATE.start_main_~j~0_8) (< 0 v_ULTIMATE.start_main_~j~0_8) (= v_ULTIMATE.start_main_~j~0_7 v_ULTIMATE.start_main_~t~0_6)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~t~0] 4#L13-2true 15.93/7.36 [2019-03-28 22:30:49,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.93/7.36 [2019-03-28 22:30:49,493 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times 15.93/7.36 [2019-03-28 22:30:49,495 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.93/7.36 [2019-03-28 22:30:49,495 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.93/7.36 [2019-03-28 22:30:49,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.93/7.36 [2019-03-28 22:30:49,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.93/7.36 [2019-03-28 22:30:49,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.93/7.36 [2019-03-28 22:30:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.93/7.36 [2019-03-28 22:30:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.93/7.36 [2019-03-28 22:30:49,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.93/7.36 [2019-03-28 22:30:49,572 INFO L82 PathProgramCache]: Analyzing trace with hash 59, now seen corresponding path program 1 times 15.93/7.36 [2019-03-28 22:30:49,572 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.93/7.36 [2019-03-28 22:30:49,573 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.93/7.36 [2019-03-28 22:30:49,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.93/7.36 [2019-03-28 22:30:49,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.93/7.36 [2019-03-28 22:30:49,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.93/7.36 [2019-03-28 22:30:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.93/7.36 [2019-03-28 22:30:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.93/7.36 [2019-03-28 22:30:49,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.93/7.36 [2019-03-28 22:30:49,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1578, now seen corresponding path program 1 times 15.93/7.36 [2019-03-28 22:30:49,588 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.93/7.36 [2019-03-28 22:30:49,588 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.93/7.36 [2019-03-28 22:30:49,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.93/7.36 [2019-03-28 22:30:49,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.93/7.36 [2019-03-28 22:30:49,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.93/7.36 [2019-03-28 22:30:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.93/7.36 [2019-03-28 22:30:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.93/7.36 [2019-03-28 22:30:49,648 INFO L216 LassoAnalysis]: Preferences: 15.93/7.36 [2019-03-28 22:30:49,649 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.93/7.36 [2019-03-28 22:30:49,649 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.93/7.36 [2019-03-28 22:30:49,649 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.93/7.36 [2019-03-28 22:30:49,650 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.93/7.36 [2019-03-28 22:30:49,650 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.93/7.36 [2019-03-28 22:30:49,650 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.93/7.36 [2019-03-28 22:30:49,650 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.93/7.36 [2019-03-28 22:30:49,650 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.93/7.36 [2019-03-28 22:30:49,650 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.93/7.36 [2019-03-28 22:30:49,651 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.93/7.36 [2019-03-28 22:30:49,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.93/7.36 [2019-03-28 22:30:49,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.93/7.36 [2019-03-28 22:30:49,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.93/7.36 [2019-03-28 22:30:49,795 INFO L300 LassoAnalysis]: Preprocessing complete. 15.93/7.36 [2019-03-28 22:30:49,795 INFO L412 LassoAnalysis]: Checking for nontermination... 15.93/7.36 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.93/7.36 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.93/7.36 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.93/7.36 [2019-03-28 22:30:49,803 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.93/7.36 [2019-03-28 22:30:49,803 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.93/7.36 [2019-03-28 22:30:49,837 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.93/7.36 [2019-03-28 22:30:49,837 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: [] 15.93/7.36 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.93/7.36 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.93/7.36 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.93/7.36 [2019-03-28 22:30:49,845 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.93/7.36 [2019-03-28 22:30:49,845 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.93/7.36 [2019-03-28 22:30:49,873 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.93/7.36 [2019-03-28 22:30:49,873 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: [] 15.93/7.36 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.93/7.36 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.93/7.36 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.93/7.36 [2019-03-28 22:30:49,879 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.93/7.36 [2019-03-28 22:30:49,879 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.93/7.36 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.93/7.36 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.93/7.36 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.93/7.36 [2019-03-28 22:30:49,918 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.93/7.36 [2019-03-28 22:30:49,919 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.93/7.36 [2019-03-28 22:30:49,987 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.93/7.36 [2019-03-28 22:30:49,990 INFO L216 LassoAnalysis]: Preferences: 15.93/7.36 [2019-03-28 22:30:49,990 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.93/7.36 [2019-03-28 22:30:49,990 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.93/7.36 [2019-03-28 22:30:49,990 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.93/7.36 [2019-03-28 22:30:49,990 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.93/7.36 [2019-03-28 22:30:49,991 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.93/7.36 [2019-03-28 22:30:49,991 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.93/7.36 [2019-03-28 22:30:49,991 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.93/7.36 [2019-03-28 22:30:49,991 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.93/7.36 [2019-03-28 22:30:49,991 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.93/7.36 [2019-03-28 22:30:49,991 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.93/7.36 [2019-03-28 22:30:49,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.93/7.36 [2019-03-28 22:30:49,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.93/7.36 [2019-03-28 22:30:50,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.93/7.36 [2019-03-28 22:30:50,085 INFO L300 LassoAnalysis]: Preprocessing complete. 15.93/7.36 [2019-03-28 22:30:50,091 INFO L497 LassoAnalysis]: Using template 'affine'. 15.93/7.36 [2019-03-28 22:30:50,093 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.93/7.36 Termination analysis: LINEAR_WITH_GUESSES 15.93/7.36 Number of strict supporting invariants: 0 15.93/7.36 Number of non-strict supporting invariants: 1 15.93/7.36 Consider only non-deceasing supporting invariants: true 15.93/7.36 Simplify termination arguments: true 15.93/7.36 Simplify supporting invariants: trueOverapproximate stem: false 15.93/7.36 [2019-03-28 22:30:50,094 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.93/7.36 [2019-03-28 22:30:50,095 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.93/7.36 [2019-03-28 22:30:50,095 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.93/7.36 [2019-03-28 22:30:50,095 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.93/7.36 [2019-03-28 22:30:50,100 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.93/7.36 [2019-03-28 22:30:50,100 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.93/7.36 [2019-03-28 22:30:50,110 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.93/7.36 [2019-03-28 22:30:50,111 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.93/7.36 Termination analysis: LINEAR_WITH_GUESSES 15.93/7.36 Number of strict supporting invariants: 0 15.93/7.36 Number of non-strict supporting invariants: 1 15.93/7.36 Consider only non-deceasing supporting invariants: true 15.93/7.36 Simplify termination arguments: true 15.93/7.36 Simplify supporting invariants: trueOverapproximate stem: false 15.93/7.36 [2019-03-28 22:30:50,111 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.93/7.36 [2019-03-28 22:30:50,112 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.93/7.36 [2019-03-28 22:30:50,112 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.93/7.36 [2019-03-28 22:30:50,112 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.93/7.36 [2019-03-28 22:30:50,115 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.93/7.36 [2019-03-28 22:30:50,115 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.93/7.36 [2019-03-28 22:30:50,123 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.93/7.36 [2019-03-28 22:30:50,124 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.93/7.36 Termination analysis: LINEAR_WITH_GUESSES 15.93/7.36 Number of strict supporting invariants: 0 15.93/7.36 Number of non-strict supporting invariants: 1 15.93/7.36 Consider only non-deceasing supporting invariants: true 15.93/7.36 Simplify termination arguments: true 15.93/7.36 Simplify supporting invariants: trueOverapproximate stem: false 15.93/7.36 [2019-03-28 22:30:50,124 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.93/7.36 [2019-03-28 22:30:50,125 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.93/7.36 [2019-03-28 22:30:50,125 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.93/7.36 [2019-03-28 22:30:50,125 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.93/7.36 [2019-03-28 22:30:50,126 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.93/7.36 [2019-03-28 22:30:50,127 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.93/7.36 [2019-03-28 22:30:50,127 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.93/7.36 [2019-03-28 22:30:50,139 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.93/7.36 [2019-03-28 22:30:50,148 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. 15.93/7.36 [2019-03-28 22:30:50,148 INFO L444 ModelExtractionUtils]: 3 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. 15.93/7.36 [2019-03-28 22:30:50,152 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.93/7.36 [2019-03-28 22:30:50,152 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.93/7.36 [2019-03-28 22:30:50,153 INFO L518 LassoAnalysis]: Proved termination. 15.93/7.36 [2019-03-28 22:30:50,153 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.93/7.36 Ranking function f(ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~i~0 15.93/7.36 Supporting invariants [] 15.93/7.36 [2019-03-28 22:30:50,155 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.93/7.36 [2019-03-28 22:30:50,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.93/7.36 [2019-03-28 22:30:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.93/7.36 [2019-03-28 22:30:50,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 15.93/7.36 [2019-03-28 22:30:50,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.93/7.36 [2019-03-28 22:30:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.93/7.36 [2019-03-28 22:30:50,204 WARN L254 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core 15.93/7.36 [2019-03-28 22:30:50,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.93/7.36 [2019-03-28 22:30:50,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.93/7.36 [2019-03-28 22:30:50,218 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 15.93/7.36 [2019-03-28 22:30:50,223 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 15.93/7.36 [2019-03-28 22:30:50,225 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 15.93/7.36 [2019-03-28 22:30:50,261 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 2 states.. Second operand 2 states. Result 5 states and 17 transitions. Complement of second has 2 states. 15.93/7.36 [2019-03-28 22:30:50,261 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 15.93/7.36 [2019-03-28 22:30:50,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 15.93/7.36 [2019-03-28 22:30:50,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions. 15.93/7.36 [2019-03-28 22:30:50,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 1 letters. Loop has 1 letters. 15.93/7.36 [2019-03-28 22:30:50,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.93/7.36 [2019-03-28 22:30:50,267 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 2 letters. Loop has 1 letters. 15.93/7.36 [2019-03-28 22:30:50,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.93/7.36 [2019-03-28 22:30:50,268 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 1 letters. Loop has 2 letters. 15.93/7.36 [2019-03-28 22:30:50,268 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.93/7.36 [2019-03-28 22:30:50,274 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 17 transitions. 15.93/7.36 [2019-03-28 22:30:50,275 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 15.93/7.36 [2019-03-28 22:30:50,280 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 5 states and 17 transitions. 15.93/7.36 [2019-03-28 22:30:50,281 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 15.93/7.36 [2019-03-28 22:30:50,282 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 15.93/7.36 [2019-03-28 22:30:50,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 17 transitions. 15.93/7.36 [2019-03-28 22:30:50,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.93/7.36 [2019-03-28 22:30:50,283 INFO L706 BuchiCegarLoop]: Abstraction has 5 states and 17 transitions. 15.93/7.36 [2019-03-28 22:30:50,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 17 transitions. 15.93/7.36 [2019-03-28 22:30:50,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 4. 15.93/7.36 [2019-03-28 22:30:50,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 15.93/7.36 [2019-03-28 22:30:50,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. 15.93/7.36 [2019-03-28 22:30:50,312 INFO L729 BuchiCegarLoop]: Abstraction has 4 states and 13 transitions. 15.93/7.36 [2019-03-28 22:30:50,312 INFO L609 BuchiCegarLoop]: Abstraction has 4 states and 13 transitions. 15.93/7.36 [2019-03-28 22:30:50,313 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.93/7.36 [2019-03-28 22:30:50,313 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 13 transitions. 15.93/7.36 [2019-03-28 22:30:50,313 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 15.93/7.36 [2019-03-28 22:30:50,314 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.93/7.36 [2019-03-28 22:30:50,314 INFO L119 BuchiIsEmpty]: Starting construction of run 15.93/7.36 [2019-03-28 22:30:50,314 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 15.93/7.36 [2019-03-28 22:30:50,314 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 15.93/7.36 [2019-03-28 22:30:50,315 INFO L794 eck$LassoCheckResult]: Stem: 32#ULTIMATE.startENTRY [19] ULTIMATE.startENTRY-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~t~0_1 0) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~t~0] 33#L13-2 [31] L13-2-->L13-2: Formula: (and (> 0 v_ULTIMATE.start_main_~i~0_8) (= v_ULTIMATE.start_main_~t~0_6 v_ULTIMATE.start_main_~i~0_8) (= v_ULTIMATE.start_main_~i~0_7 v_ULTIMATE.start_main_~j~0_8) (> 0 v_ULTIMATE.start_main_~j~0_8) (= v_ULTIMATE.start_main_~j~0_7 v_ULTIMATE.start_main_~t~0_6)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~t~0] 34#L13-2 15.93/7.36 [2019-03-28 22:30:50,315 INFO L796 eck$LassoCheckResult]: Loop: 34#L13-2 [28] L13-2-->L13-2: Formula: (and (> 0 v_ULTIMATE.start_main_~i~0_8) (= v_ULTIMATE.start_main_~t~0_6 v_ULTIMATE.start_main_~i~0_8) (= v_ULTIMATE.start_main_~i~0_7 v_ULTIMATE.start_main_~j~0_8) (< 0 v_ULTIMATE.start_main_~j~0_8) (= v_ULTIMATE.start_main_~j~0_7 v_ULTIMATE.start_main_~t~0_6)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~t~0] 34#L13-2 15.93/7.36 [2019-03-28 22:30:50,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.93/7.36 [2019-03-28 22:30:50,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1581, now seen corresponding path program 1 times 15.93/7.36 [2019-03-28 22:30:50,315 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.93/7.36 [2019-03-28 22:30:50,316 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.93/7.36 [2019-03-28 22:30:50,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.93/7.36 [2019-03-28 22:30:50,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.93/7.36 [2019-03-28 22:30:50,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.93/7.36 [2019-03-28 22:30:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.93/7.36 [2019-03-28 22:30:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.93/7.36 [2019-03-28 22:30:50,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.93/7.36 [2019-03-28 22:30:50,327 INFO L82 PathProgramCache]: Analyzing trace with hash 59, now seen corresponding path program 2 times 15.93/7.36 [2019-03-28 22:30:50,327 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.93/7.36 [2019-03-28 22:30:50,327 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.93/7.36 [2019-03-28 22:30:50,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.93/7.36 [2019-03-28 22:30:50,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.93/7.36 [2019-03-28 22:30:50,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.93/7.36 [2019-03-28 22:30:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.93/7.36 [2019-03-28 22:30:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.93/7.36 [2019-03-28 22:30:50,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.93/7.36 [2019-03-28 22:30:50,334 INFO L82 PathProgramCache]: Analyzing trace with hash 49039, now seen corresponding path program 1 times 15.93/7.36 [2019-03-28 22:30:50,334 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.93/7.36 [2019-03-28 22:30:50,335 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.93/7.36 [2019-03-28 22:30:50,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.93/7.36 [2019-03-28 22:30:50,336 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.93/7.36 [2019-03-28 22:30:50,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.93/7.36 [2019-03-28 22:30:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.93/7.36 [2019-03-28 22:30:50,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.93/7.36 [2019-03-28 22:30:50,386 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 15.93/7.36 [2019-03-28 22:30:50,386 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 15.93/7.36 [2019-03-28 22:30:50,406 INFO L216 LassoAnalysis]: Preferences: 15.93/7.36 [2019-03-28 22:30:50,406 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.93/7.36 [2019-03-28 22:30:50,406 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.93/7.36 [2019-03-28 22:30:50,407 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.93/7.36 [2019-03-28 22:30:50,407 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.93/7.36 [2019-03-28 22:30:50,407 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.93/7.36 [2019-03-28 22:30:50,407 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.93/7.36 [2019-03-28 22:30:50,407 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.93/7.36 [2019-03-28 22:30:50,407 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.93/7.36 [2019-03-28 22:30:50,407 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.93/7.36 [2019-03-28 22:30:50,408 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.93/7.36 [2019-03-28 22:30:50,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.93/7.36 [2019-03-28 22:30:50,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.93/7.36 [2019-03-28 22:30:50,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.93/7.36 [2019-03-28 22:30:50,477 INFO L300 LassoAnalysis]: Preprocessing complete. 15.93/7.36 [2019-03-28 22:30:50,478 INFO L412 LassoAnalysis]: Checking for nontermination... 15.93/7.36 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.93/7.36 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.93/7.36 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.93/7.36 [2019-03-28 22:30:50,483 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.93/7.36 [2019-03-28 22:30:50,484 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.93/7.36 [2019-03-28 22:30:50,512 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.93/7.36 [2019-03-28 22:30:50,512 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: [] 15.93/7.36 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.93/7.36 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.93/7.36 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.93/7.36 [2019-03-28 22:30:50,520 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.93/7.36 [2019-03-28 22:30:50,521 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.93/7.36 [2019-03-28 22:30:50,548 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.93/7.36 [2019-03-28 22:30:50,549 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: [] 15.93/7.36 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.93/7.36 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.93/7.36 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.93/7.36 [2019-03-28 22:30:50,556 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.93/7.36 [2019-03-28 22:30:50,556 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.93/7.36 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.93/7.36 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.93/7.36 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.93/7.36 [2019-03-28 22:30:50,594 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.93/7.36 [2019-03-28 22:30:50,594 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.93/7.36 [2019-03-28 22:30:50,662 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.93/7.36 [2019-03-28 22:30:50,665 INFO L216 LassoAnalysis]: Preferences: 15.93/7.36 [2019-03-28 22:30:50,665 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.93/7.36 [2019-03-28 22:30:50,665 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.93/7.36 [2019-03-28 22:30:50,665 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.93/7.36 [2019-03-28 22:30:50,665 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.93/7.36 [2019-03-28 22:30:50,665 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.93/7.36 [2019-03-28 22:30:50,666 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.93/7.36 [2019-03-28 22:30:50,666 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.93/7.36 [2019-03-28 22:30:50,666 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.93/7.36 [2019-03-28 22:30:50,666 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.93/7.36 [2019-03-28 22:30:50,666 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.93/7.36 [2019-03-28 22:30:50,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.93/7.36 [2019-03-28 22:30:50,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.93/7.36 [2019-03-28 22:30:50,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.93/7.36 [2019-03-28 22:30:50,759 INFO L300 LassoAnalysis]: Preprocessing complete. 15.93/7.36 [2019-03-28 22:30:50,759 INFO L497 LassoAnalysis]: Using template 'affine'. 15.93/7.36 [2019-03-28 22:30:50,760 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.93/7.36 Termination analysis: LINEAR_WITH_GUESSES 15.93/7.36 Number of strict supporting invariants: 0 15.93/7.36 Number of non-strict supporting invariants: 1 15.93/7.36 Consider only non-deceasing supporting invariants: true 15.93/7.36 Simplify termination arguments: true 15.93/7.36 Simplify supporting invariants: trueOverapproximate stem: false 15.93/7.36 [2019-03-28 22:30:50,761 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.93/7.36 [2019-03-28 22:30:50,761 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.93/7.36 [2019-03-28 22:30:50,761 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.93/7.36 [2019-03-28 22:30:50,761 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.93/7.36 [2019-03-28 22:30:50,763 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.93/7.36 [2019-03-28 22:30:50,763 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.93/7.36 [2019-03-28 22:30:50,768 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.93/7.36 [2019-03-28 22:30:50,769 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.93/7.36 Termination analysis: LINEAR_WITH_GUESSES 15.93/7.36 Number of strict supporting invariants: 0 15.93/7.36 Number of non-strict supporting invariants: 1 15.93/7.36 Consider only non-deceasing supporting invariants: true 15.93/7.36 Simplify termination arguments: true 15.93/7.36 Simplify supporting invariants: trueOverapproximate stem: false 15.93/7.36 [2019-03-28 22:30:50,769 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.93/7.36 [2019-03-28 22:30:50,770 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.93/7.36 [2019-03-28 22:30:50,770 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.93/7.36 [2019-03-28 22:30:50,770 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.93/7.36 [2019-03-28 22:30:50,772 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.93/7.36 [2019-03-28 22:30:50,772 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.93/7.36 [2019-03-28 22:30:50,777 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.93/7.36 [2019-03-28 22:30:50,777 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.93/7.36 Termination analysis: LINEAR_WITH_GUESSES 15.93/7.36 Number of strict supporting invariants: 0 15.93/7.36 Number of non-strict supporting invariants: 1 15.93/7.36 Consider only non-deceasing supporting invariants: true 15.93/7.36 Simplify termination arguments: true 15.93/7.36 Simplify supporting invariants: trueOverapproximate stem: false 15.93/7.36 [2019-03-28 22:30:50,778 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.93/7.36 [2019-03-28 22:30:50,778 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.93/7.36 [2019-03-28 22:30:50,778 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.93/7.36 [2019-03-28 22:30:50,778 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.93/7.36 [2019-03-28 22:30:50,778 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.93/7.36 [2019-03-28 22:30:50,780 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.93/7.36 [2019-03-28 22:30:50,780 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.93/7.36 [2019-03-28 22:30:50,788 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.93/7.36 [2019-03-28 22:30:50,793 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. 15.93/7.36 [2019-03-28 22:30:50,793 INFO L444 ModelExtractionUtils]: 3 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. 15.93/7.36 [2019-03-28 22:30:50,794 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.93/7.36 [2019-03-28 22:30:50,794 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.93/7.36 [2019-03-28 22:30:50,794 INFO L518 LassoAnalysis]: Proved termination. 15.93/7.36 [2019-03-28 22:30:50,794 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.93/7.36 Ranking function f(ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~i~0 15.93/7.36 Supporting invariants [] 15.93/7.36 [2019-03-28 22:30:50,795 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.93/7.36 [2019-03-28 22:30:50,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.93/7.36 [2019-03-28 22:30:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.93/7.36 [2019-03-28 22:30:50,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core 15.93/7.36 [2019-03-28 22:30:50,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.93/7.36 [2019-03-28 22:30:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.93/7.36 [2019-03-28 22:30:50,827 WARN L254 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core 15.93/7.36 [2019-03-28 22:30:50,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.93/7.36 [2019-03-28 22:30:50,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.93/7.36 [2019-03-28 22:30:50,829 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 15.93/7.36 [2019-03-28 22:30:50,829 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 15.93/7.36 [2019-03-28 22:30:50,829 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states and 13 transitions. cyclomatic complexity: 11 Second operand 2 states. 15.93/7.36 [2019-03-28 22:30:50,851 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states and 13 transitions. cyclomatic complexity: 11. Second operand 2 states. Result 8 states and 29 transitions. Complement of second has 3 states. 15.93/7.36 [2019-03-28 22:30:50,852 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 15.93/7.36 [2019-03-28 22:30:50,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 15.93/7.36 [2019-03-28 22:30:50,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions. 15.93/7.36 [2019-03-28 22:30:50,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 2 letters. Loop has 1 letters. 15.93/7.36 [2019-03-28 22:30:50,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.93/7.36 [2019-03-28 22:30:50,854 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 3 letters. Loop has 1 letters. 15.93/7.36 [2019-03-28 22:30:50,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.93/7.36 [2019-03-28 22:30:50,854 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 2 letters. Loop has 2 letters. 15.93/7.36 [2019-03-28 22:30:50,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.93/7.36 [2019-03-28 22:30:50,855 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 29 transitions. 15.93/7.36 [2019-03-28 22:30:50,856 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 15.93/7.36 [2019-03-28 22:30:50,857 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 8 states and 29 transitions. 15.93/7.36 [2019-03-28 22:30:50,858 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 15.93/7.36 [2019-03-28 22:30:50,858 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 15.93/7.36 [2019-03-28 22:30:50,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 29 transitions. 15.93/7.36 [2019-03-28 22:30:50,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.93/7.36 [2019-03-28 22:30:50,859 INFO L706 BuchiCegarLoop]: Abstraction has 8 states and 29 transitions. 15.93/7.36 [2019-03-28 22:30:50,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 29 transitions. 15.93/7.36 [2019-03-28 22:30:50,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. 15.93/7.36 [2019-03-28 22:30:50,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 15.93/7.36 [2019-03-28 22:30:50,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 25 transitions. 15.93/7.36 [2019-03-28 22:30:50,861 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 25 transitions. 15.93/7.36 [2019-03-28 22:30:50,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 15.93/7.36 [2019-03-28 22:30:50,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 15.93/7.36 [2019-03-28 22:30:50,865 INFO L87 Difference]: Start difference. First operand 7 states and 25 transitions. Second operand 3 states. 15.93/7.36 [2019-03-28 22:30:50,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.93/7.36 [2019-03-28 22:30:50,893 INFO L93 Difference]: Finished difference Result 7 states and 17 transitions. 15.93/7.36 [2019-03-28 22:30:50,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 15.93/7.36 [2019-03-28 22:30:50,894 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 17 transitions. 15.93/7.36 [2019-03-28 22:30:50,895 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.93/7.36 [2019-03-28 22:30:50,896 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 17 transitions. 15.93/7.36 [2019-03-28 22:30:50,896 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 15.93/7.36 [2019-03-28 22:30:50,896 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 15.93/7.36 [2019-03-28 22:30:50,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 17 transitions. 15.93/7.36 [2019-03-28 22:30:50,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.93/7.36 [2019-03-28 22:30:50,897 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 17 transitions. 15.93/7.36 [2019-03-28 22:30:50,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 17 transitions. 15.93/7.36 [2019-03-28 22:30:50,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 3. 15.93/7.36 [2019-03-28 22:30:50,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.93/7.36 [2019-03-28 22:30:50,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. 15.93/7.36 [2019-03-28 22:30:50,899 INFO L729 BuchiCegarLoop]: Abstraction has 3 states and 7 transitions. 15.93/7.36 [2019-03-28 22:30:50,899 INFO L609 BuchiCegarLoop]: Abstraction has 3 states and 7 transitions. 15.93/7.36 [2019-03-28 22:30:50,899 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 15.93/7.36 [2019-03-28 22:30:50,899 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 7 transitions. 15.93/7.36 [2019-03-28 22:30:50,900 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.93/7.36 [2019-03-28 22:30:50,900 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.93/7.36 [2019-03-28 22:30:50,900 INFO L119 BuchiIsEmpty]: Starting construction of run 15.93/7.36 [2019-03-28 22:30:50,900 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.93/7.36 [2019-03-28 22:30:50,900 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 15.93/7.36 [2019-03-28 22:30:50,901 INFO L794 eck$LassoCheckResult]: Stem: 85#ULTIMATE.startENTRY [19] ULTIMATE.startENTRY-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~t~0_1 0) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~t~0] 86#L13-2 15.93/7.36 [2019-03-28 22:30:50,901 INFO L796 eck$LassoCheckResult]: Loop: 86#L13-2 [29] L13-2-->L13-2: Formula: (and (< 0 v_ULTIMATE.start_main_~i~0_8) (= v_ULTIMATE.start_main_~t~0_6 v_ULTIMATE.start_main_~i~0_8) (= v_ULTIMATE.start_main_~i~0_7 v_ULTIMATE.start_main_~j~0_8) (> 0 v_ULTIMATE.start_main_~j~0_8) (= v_ULTIMATE.start_main_~j~0_7 v_ULTIMATE.start_main_~t~0_6)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~t~0] 86#L13-2 15.93/7.36 [2019-03-28 22:30:50,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.93/7.36 [2019-03-28 22:30:50,901 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 2 times 15.93/7.36 [2019-03-28 22:30:50,901 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.93/7.36 [2019-03-28 22:30:50,902 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.93/7.36 [2019-03-28 22:30:50,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.93/7.36 [2019-03-28 22:30:50,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.93/7.36 [2019-03-28 22:30:50,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.93/7.36 [2019-03-28 22:30:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.93/7.36 [2019-03-28 22:30:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.93/7.36 [2019-03-28 22:30:50,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.93/7.36 [2019-03-28 22:30:50,908 INFO L82 PathProgramCache]: Analyzing trace with hash 60, now seen corresponding path program 1 times 15.93/7.36 [2019-03-28 22:30:50,908 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.93/7.36 [2019-03-28 22:30:50,908 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.93/7.36 [2019-03-28 22:30:50,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.93/7.36 [2019-03-28 22:30:50,909 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.93/7.36 [2019-03-28 22:30:50,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.93/7.36 [2019-03-28 22:30:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.93/7.36 [2019-03-28 22:30:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.93/7.36 [2019-03-28 22:30:50,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.93/7.36 [2019-03-28 22:30:50,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1579, now seen corresponding path program 1 times 15.93/7.36 [2019-03-28 22:30:50,915 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.93/7.36 [2019-03-28 22:30:50,916 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.93/7.36 [2019-03-28 22:30:50,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.93/7.36 [2019-03-28 22:30:50,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.93/7.36 [2019-03-28 22:30:50,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.93/7.36 [2019-03-28 22:30:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.93/7.36 [2019-03-28 22:30:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.93/7.36 [2019-03-28 22:30:50,943 INFO L216 LassoAnalysis]: Preferences: 15.93/7.36 [2019-03-28 22:30:50,944 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.93/7.36 [2019-03-28 22:30:50,944 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.93/7.36 [2019-03-28 22:30:50,944 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.93/7.36 [2019-03-28 22:30:50,944 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.93/7.36 [2019-03-28 22:30:50,944 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.93/7.36 [2019-03-28 22:30:50,944 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.93/7.36 [2019-03-28 22:30:50,945 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.93/7.36 [2019-03-28 22:30:50,945 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.93/7.36 [2019-03-28 22:30:50,945 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.93/7.36 [2019-03-28 22:30:50,945 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.93/7.36 [2019-03-28 22:30:50,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.93/7.36 [2019-03-28 22:30:50,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.93/7.36 [2019-03-28 22:30:50,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.93/7.36 [2019-03-28 22:30:51,023 INFO L300 LassoAnalysis]: Preprocessing complete. 15.93/7.36 [2019-03-28 22:30:51,023 INFO L412 LassoAnalysis]: Checking for nontermination... 15.93/7.36 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.93/7.36 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.93/7.36 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.93/7.36 [2019-03-28 22:30:51,031 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.93/7.36 [2019-03-28 22:30:51,031 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.93/7.36 [2019-03-28 22:30:51,060 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.93/7.36 [2019-03-28 22:30:51,060 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.93/7.36 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.93/7.36 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.93/7.36 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.93/7.36 [2019-03-28 22:30:51,067 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.93/7.37 [2019-03-28 22:30:51,067 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.93/7.37 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.93/7.37 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.93/7.37 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.93/7.37 [2019-03-28 22:30:51,103 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.93/7.37 [2019-03-28 22:30:51,103 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.93/7.37 [2019-03-28 22:30:51,177 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.93/7.37 [2019-03-28 22:30:51,180 INFO L216 LassoAnalysis]: Preferences: 15.93/7.37 [2019-03-28 22:30:51,180 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.93/7.37 [2019-03-28 22:30:51,180 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.93/7.37 [2019-03-28 22:30:51,180 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.93/7.37 [2019-03-28 22:30:51,180 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.93/7.37 [2019-03-28 22:30:51,180 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.93/7.37 [2019-03-28 22:30:51,180 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.93/7.37 [2019-03-28 22:30:51,180 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.93/7.37 [2019-03-28 22:30:51,181 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.93/7.37 [2019-03-28 22:30:51,181 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.93/7.37 [2019-03-28 22:30:51,181 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.93/7.37 [2019-03-28 22:30:51,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.93/7.37 [2019-03-28 22:30:51,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.93/7.37 [2019-03-28 22:30:51,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.93/7.37 [2019-03-28 22:30:51,251 INFO L300 LassoAnalysis]: Preprocessing complete. 15.93/7.37 [2019-03-28 22:30:51,252 INFO L497 LassoAnalysis]: Using template 'affine'. 15.93/7.37 [2019-03-28 22:30:51,252 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.93/7.37 Termination analysis: LINEAR_WITH_GUESSES 15.93/7.37 Number of strict supporting invariants: 0 15.93/7.37 Number of non-strict supporting invariants: 1 15.93/7.37 Consider only non-deceasing supporting invariants: true 15.93/7.37 Simplify termination arguments: true 15.93/7.37 Simplify supporting invariants: trueOverapproximate stem: false 15.93/7.37 [2019-03-28 22:30:51,253 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.93/7.37 [2019-03-28 22:30:51,253 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.93/7.37 [2019-03-28 22:30:51,253 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.93/7.37 [2019-03-28 22:30:51,253 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.93/7.37 [2019-03-28 22:30:51,255 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.93/7.37 [2019-03-28 22:30:51,255 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.93/7.37 [2019-03-28 22:30:51,260 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.93/7.37 [2019-03-28 22:30:51,260 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.93/7.37 Termination analysis: LINEAR_WITH_GUESSES 15.93/7.37 Number of strict supporting invariants: 0 15.93/7.37 Number of non-strict supporting invariants: 1 15.93/7.37 Consider only non-deceasing supporting invariants: true 15.93/7.37 Simplify termination arguments: true 15.93/7.37 Simplify supporting invariants: trueOverapproximate stem: false 15.93/7.37 [2019-03-28 22:30:51,261 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.93/7.37 [2019-03-28 22:30:51,261 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.93/7.37 [2019-03-28 22:30:51,261 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.93/7.37 [2019-03-28 22:30:51,262 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.93/7.37 [2019-03-28 22:30:51,262 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.93/7.37 [2019-03-28 22:30:51,262 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.93/7.37 [2019-03-28 22:30:51,263 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.93/7.37 [2019-03-28 22:30:51,269 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.93/7.37 [2019-03-28 22:30:51,273 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. 15.93/7.37 [2019-03-28 22:30:51,273 INFO L444 ModelExtractionUtils]: 3 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. 15.93/7.37 [2019-03-28 22:30:51,274 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.93/7.37 [2019-03-28 22:30:51,274 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.93/7.37 [2019-03-28 22:30:51,274 INFO L518 LassoAnalysis]: Proved termination. 15.93/7.37 [2019-03-28 22:30:51,274 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.93/7.37 Ranking function f(ULTIMATE.start_main_~j~0) = -1*ULTIMATE.start_main_~j~0 15.93/7.37 Supporting invariants [] 15.93/7.37 [2019-03-28 22:30:51,274 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.93/7.37 [2019-03-28 22:30:51,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.93/7.37 [2019-03-28 22:30:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.93/7.37 [2019-03-28 22:30:51,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 15.93/7.37 [2019-03-28 22:30:51,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.93/7.37 [2019-03-28 22:30:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.93/7.37 [2019-03-28 22:30:51,296 WARN L254 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core 15.93/7.37 [2019-03-28 22:30:51,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.93/7.37 [2019-03-28 22:30:51,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.93/7.37 [2019-03-28 22:30:51,297 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 15.93/7.37 [2019-03-28 22:30:51,298 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 15.93/7.37 [2019-03-28 22:30:51,298 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states and 7 transitions. cyclomatic complexity: 5 Second operand 2 states. 15.93/7.37 [2019-03-28 22:30:51,315 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states and 7 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 7 states and 21 transitions. Complement of second has 2 states. 15.93/7.37 [2019-03-28 22:30:51,316 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 15.93/7.37 [2019-03-28 22:30:51,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 15.93/7.37 [2019-03-28 22:30:51,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions. 15.93/7.37 [2019-03-28 22:30:51,316 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 1 letters. Loop has 1 letters. 15.93/7.37 [2019-03-28 22:30:51,317 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.93/7.37 [2019-03-28 22:30:51,317 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 2 letters. Loop has 1 letters. 15.93/7.37 [2019-03-28 22:30:51,317 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.93/7.37 [2019-03-28 22:30:51,317 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 1 letters. Loop has 2 letters. 15.93/7.37 [2019-03-28 22:30:51,317 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.93/7.37 [2019-03-28 22:30:51,318 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 21 transitions. 15.93/7.37 [2019-03-28 22:30:51,319 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.93/7.37 [2019-03-28 22:30:51,320 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 21 transitions. 15.93/7.37 [2019-03-28 22:30:51,320 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 15.93/7.37 [2019-03-28 22:30:51,320 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 15.93/7.37 [2019-03-28 22:30:51,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 21 transitions. 15.93/7.37 [2019-03-28 22:30:51,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.93/7.37 [2019-03-28 22:30:51,321 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 21 transitions. 15.93/7.37 [2019-03-28 22:30:51,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 21 transitions. 15.93/7.37 [2019-03-28 22:30:51,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 5. 15.93/7.37 [2019-03-28 22:30:51,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 15.93/7.37 [2019-03-28 22:30:51,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. 15.93/7.37 [2019-03-28 22:30:51,322 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 15 transitions. 15.93/7.37 [2019-03-28 22:30:51,322 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 15 transitions. 15.93/7.37 [2019-03-28 22:30:51,323 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 15.93/7.37 [2019-03-28 22:30:51,323 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 15 transitions. 15.93/7.37 [2019-03-28 22:30:51,324 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.93/7.37 [2019-03-28 22:30:51,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.93/7.37 [2019-03-28 22:30:51,324 INFO L119 BuchiIsEmpty]: Starting construction of run 15.93/7.37 [2019-03-28 22:30:51,324 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 15.93/7.37 [2019-03-28 22:30:51,324 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 15.93/7.37 [2019-03-28 22:30:51,325 INFO L794 eck$LassoCheckResult]: Stem: 117#ULTIMATE.startENTRY [19] ULTIMATE.startENTRY-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~t~0_1 0) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~t~0] 118#L13-2 [31] L13-2-->L13-2: Formula: (and (> 0 v_ULTIMATE.start_main_~i~0_8) (= v_ULTIMATE.start_main_~t~0_6 v_ULTIMATE.start_main_~i~0_8) (= v_ULTIMATE.start_main_~i~0_7 v_ULTIMATE.start_main_~j~0_8) (> 0 v_ULTIMATE.start_main_~j~0_8) (= v_ULTIMATE.start_main_~j~0_7 v_ULTIMATE.start_main_~t~0_6)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~t~0] 119#L13-2 15.93/7.37 [2019-03-28 22:30:51,325 INFO L796 eck$LassoCheckResult]: Loop: 119#L13-2 [31] L13-2-->L13-2: Formula: (and (> 0 v_ULTIMATE.start_main_~i~0_8) (= v_ULTIMATE.start_main_~t~0_6 v_ULTIMATE.start_main_~i~0_8) (= v_ULTIMATE.start_main_~i~0_7 v_ULTIMATE.start_main_~j~0_8) (> 0 v_ULTIMATE.start_main_~j~0_8) (= v_ULTIMATE.start_main_~j~0_7 v_ULTIMATE.start_main_~t~0_6)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~t~0] 119#L13-2 15.93/7.37 [2019-03-28 22:30:51,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.93/7.37 [2019-03-28 22:30:51,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1581, now seen corresponding path program 2 times 15.93/7.37 [2019-03-28 22:30:51,325 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.93/7.37 [2019-03-28 22:30:51,325 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.93/7.37 [2019-03-28 22:30:51,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.93/7.37 [2019-03-28 22:30:51,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.93/7.37 [2019-03-28 22:30:51,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.93/7.37 [2019-03-28 22:30:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.93/7.37 [2019-03-28 22:30:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.93/7.37 [2019-03-28 22:30:51,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.93/7.37 [2019-03-28 22:30:51,334 INFO L82 PathProgramCache]: Analyzing trace with hash 62, now seen corresponding path program 1 times 15.93/7.37 [2019-03-28 22:30:51,334 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.93/7.37 [2019-03-28 22:30:51,334 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.93/7.37 [2019-03-28 22:30:51,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.93/7.37 [2019-03-28 22:30:51,336 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.93/7.37 [2019-03-28 22:30:51,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.93/7.37 [2019-03-28 22:30:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.93/7.37 [2019-03-28 22:30:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.93/7.37 [2019-03-28 22:30:51,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.93/7.37 [2019-03-28 22:30:51,340 INFO L82 PathProgramCache]: Analyzing trace with hash 49042, now seen corresponding path program 3 times 15.93/7.37 [2019-03-28 22:30:51,340 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.93/7.37 [2019-03-28 22:30:51,340 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.93/7.37 [2019-03-28 22:30:51,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.93/7.37 [2019-03-28 22:30:51,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.93/7.37 [2019-03-28 22:30:51,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.93/7.37 [2019-03-28 22:30:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.93/7.37 [2019-03-28 22:30:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.93/7.37 [2019-03-28 22:30:51,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:30:51 BasicIcfg 15.93/7.37 [2019-03-28 22:30:51,418 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.93/7.37 [2019-03-28 22:30:51,419 INFO L168 Benchmark]: Toolchain (without parser) took 2828.65 ms. Allocated memory was 649.6 MB in the beginning and 665.3 MB in the end (delta: 15.7 MB). Free memory was 558.4 MB in the beginning and 383.2 MB in the end (delta: 175.3 MB). Peak memory consumption was 191.0 MB. Max. memory is 50.3 GB. 15.93/7.37 [2019-03-28 22:30:51,421 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.93/7.37 [2019-03-28 22:30:51,421 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.16 ms. Allocated memory is still 649.6 MB. Free memory was 558.4 MB in the beginning and 547.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 50.3 GB. 15.93/7.37 [2019-03-28 22:30:51,421 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.74 ms. Allocated memory was 649.6 MB in the beginning and 665.3 MB in the end (delta: 15.7 MB). Free memory was 547.9 MB in the beginning and 629.8 MB in the end (delta: -81.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 50.3 GB. 15.93/7.37 [2019-03-28 22:30:51,422 INFO L168 Benchmark]: Boogie Preprocessor took 20.51 ms. Allocated memory is still 665.3 MB. Free memory is still 629.8 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.93/7.37 [2019-03-28 22:30:51,422 INFO L168 Benchmark]: RCFGBuilder took 218.83 ms. Allocated memory is still 665.3 MB. Free memory was 629.8 MB in the beginning and 617.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 50.3 GB. 15.93/7.37 [2019-03-28 22:30:51,423 INFO L168 Benchmark]: BlockEncodingV2 took 86.53 ms. Allocated memory is still 665.3 MB. Free memory was 617.2 MB in the beginning and 611.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.93/7.37 [2019-03-28 22:30:51,424 INFO L168 Benchmark]: TraceAbstraction took 159.49 ms. Allocated memory is still 665.3 MB. Free memory was 611.9 MB in the beginning and 602.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 15.93/7.37 [2019-03-28 22:30:51,424 INFO L168 Benchmark]: BuchiAutomizer took 2007.01 ms. Allocated memory is still 665.3 MB. Free memory was 602.4 MB in the beginning and 383.2 MB in the end (delta: 219.3 MB). Peak memory consumption was 219.3 MB. Max. memory is 50.3 GB. 15.93/7.37 [2019-03-28 22:30:51,429 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.93/7.37 --- Results --- 15.93/7.37 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.93/7.37 - StatisticsResult: Initial Icfg 15.93/7.37 6 locations, 7 edges 15.93/7.37 - StatisticsResult: Encoded RCFG 15.93/7.37 2 locations, 5 edges 15.93/7.37 * Results from de.uni_freiburg.informatik.ultimate.core: 15.93/7.37 - StatisticsResult: Toolchain Benchmarks 15.93/7.37 Benchmark results are: 15.93/7.37 * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.93/7.37 * CACSL2BoogieTranslator took 226.16 ms. Allocated memory is still 649.6 MB. Free memory was 558.4 MB in the beginning and 547.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 50.3 GB. 15.93/7.37 * Boogie Procedure Inliner took 104.74 ms. Allocated memory was 649.6 MB in the beginning and 665.3 MB in the end (delta: 15.7 MB). Free memory was 547.9 MB in the beginning and 629.8 MB in the end (delta: -81.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 50.3 GB. 15.93/7.37 * Boogie Preprocessor took 20.51 ms. Allocated memory is still 665.3 MB. Free memory is still 629.8 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.93/7.37 * RCFGBuilder took 218.83 ms. Allocated memory is still 665.3 MB. Free memory was 629.8 MB in the beginning and 617.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 50.3 GB. 15.93/7.37 * BlockEncodingV2 took 86.53 ms. Allocated memory is still 665.3 MB. Free memory was 617.2 MB in the beginning and 611.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.93/7.37 * TraceAbstraction took 159.49 ms. Allocated memory is still 665.3 MB. Free memory was 611.9 MB in the beginning and 602.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 15.93/7.37 * BuchiAutomizer took 2007.01 ms. Allocated memory is still 665.3 MB. Free memory was 602.4 MB in the beginning and 383.2 MB in the end (delta: 219.3 MB). Peak memory consumption was 219.3 MB. Max. memory is 50.3 GB. 15.93/7.37 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.93/7.37 - AllSpecificationsHoldResult: All specifications hold 15.93/7.37 We were not able to verify any specifiation because the program does not contain any specification. 15.93/7.37 - InvariantResult [Line: 13]: Loop Invariant 15.93/7.37 Derived loop invariant: 1 15.93/7.37 - StatisticsResult: Ultimate Automizer benchmark data 15.93/7.37 CFG has 1 procedures, 2 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=2occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 15.93/7.37 - StatisticsResult: Constructed decomposition of program 15.93/7.37 Your program was decomposed into 4 terminating modules (1 trivial, 0 deterministic, 3 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function -1 * i and consists of 2 locations. One nondeterministic module has affine ranking function -1 * i and consists of 2 locations. One nondeterministic module has affine ranking function -1 * j and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 5 locations. 15.93/7.37 - StatisticsResult: Timing statistics 15.93/7.37 BüchiAutomizer plugin needed 1.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 5 states and ocurred in iteration 3. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 15 SDslu, 0 SDs, 0 SdLazy, 52 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT2 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax170 hnf100 lsp58 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf89 smp100 dnf100 smp100 tf107 neg100 sie114 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s 15.93/7.37 - TerminationAnalysisResult: Nontermination possible 15.93/7.37 Buchi Automizer proved that your program is nonterminating for some inputs 15.93/7.37 - FixpointNonTerminationResult [Line: 13]: Nontermination argument in form of an infinite program execution. 15.93/7.37 Nontermination argument in form of an infinite execution 15.93/7.37 State at position 0 is 15.93/7.37 {} 15.93/7.37 State at position 1 is 15.93/7.37 {t=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5006ef0=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b6c7b0d=0, i=-1, j=-1} 15.93/7.37 - StatisticsResult: NonterminationArgumentStatistics 15.93/7.37 Fixpoint 15.93/7.37 - NonterminatingLassoResult [Line: 13]: Nonterminating execution 15.93/7.37 Found a nonterminating execution for the following lasso shaped sequence of statements. 15.93/7.37 Stem: 15.93/7.37 [L6] int i; 15.93/7.37 [L7] int j; 15.93/7.37 [L8] int t; 15.93/7.37 [L9] i = __VERIFIER_nondet_int() 15.93/7.37 [L10] j = __VERIFIER_nondet_int() 15.93/7.37 [L11] t = 0 15.93/7.37 [L13] COND TRUE i != 0 && j != 0 15.93/7.37 [L14] t = i 15.93/7.37 [L15] i = j 15.93/7.37 [L16] j = t 15.93/7.37 Loop: 15.93/7.37 [L13] COND TRUE i != 0 && j != 0 15.93/7.37 [L14] t = i 15.93/7.37 [L15] i = j 15.93/7.37 [L16] j = t 15.93/7.37 End of lasso representation. 15.93/7.37 RESULT: Ultimate proved your program to be incorrect! 15.93/7.37 !SESSION 2019-03-28 22:30:45.281 ----------------------------------------------- 15.93/7.37 eclipse.buildId=unknown 15.93/7.37 java.version=1.8.0_181 15.93/7.37 java.vendor=Oracle Corporation 15.93/7.37 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.93/7.37 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.93/7.37 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 15.93/7.37 15.93/7.37 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:30:51.667 15.93/7.37 !MESSAGE The workspace will exit with unsaved changes in this session. 15.93/7.37 Received shutdown request... 15.93/7.37 Ultimate: 15.93/7.37 GTK+ Version Check 15.93/7.37 EOF