28.05/19.88 YES 28.05/19.88 28.05/19.89 Ultimate: Cannot open display: 28.05/19.89 This is Ultimate 0.1.24-8dc7c08-m 28.05/19.89 [2019-03-28 22:25:16,140 INFO L170 SettingsManager]: Resetting all preferences to default values... 28.05/19.89 [2019-03-28 22:25:16,142 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 28.05/19.89 [2019-03-28 22:25:16,154 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 28.05/19.89 [2019-03-28 22:25:16,154 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 28.05/19.89 [2019-03-28 22:25:16,155 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 28.05/19.89 [2019-03-28 22:25:16,156 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 28.05/19.89 [2019-03-28 22:25:16,158 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 28.05/19.89 [2019-03-28 22:25:16,159 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 28.05/19.89 [2019-03-28 22:25:16,160 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 28.05/19.89 [2019-03-28 22:25:16,161 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 28.05/19.89 [2019-03-28 22:25:16,161 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 28.05/19.89 [2019-03-28 22:25:16,162 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 28.05/19.89 [2019-03-28 22:25:16,163 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 28.05/19.89 [2019-03-28 22:25:16,164 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 28.05/19.89 [2019-03-28 22:25:16,165 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 28.05/19.89 [2019-03-28 22:25:16,165 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 28.05/19.89 [2019-03-28 22:25:16,167 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 28.05/19.89 [2019-03-28 22:25:16,169 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 28.05/19.89 [2019-03-28 22:25:16,170 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 28.05/19.89 [2019-03-28 22:25:16,171 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 28.05/19.89 [2019-03-28 22:25:16,172 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 28.05/19.89 [2019-03-28 22:25:16,174 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 28.05/19.89 [2019-03-28 22:25:16,175 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 28.05/19.89 [2019-03-28 22:25:16,175 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 28.05/19.89 [2019-03-28 22:25:16,176 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 28.05/19.89 [2019-03-28 22:25:16,176 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 28.05/19.89 [2019-03-28 22:25:16,177 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 28.05/19.89 [2019-03-28 22:25:16,177 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 28.05/19.89 [2019-03-28 22:25:16,178 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 28.05/19.89 [2019-03-28 22:25:16,179 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 28.05/19.89 [2019-03-28 22:25:16,179 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 28.05/19.89 [2019-03-28 22:25:16,180 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 28.05/19.89 [2019-03-28 22:25:16,180 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 28.05/19.89 [2019-03-28 22:25:16,181 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 28.05/19.89 [2019-03-28 22:25:16,181 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 28.05/19.89 [2019-03-28 22:25:16,181 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 28.05/19.89 [2019-03-28 22:25:16,182 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 28.05/19.89 [2019-03-28 22:25:16,183 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 28.05/19.89 [2019-03-28 22:25:16,183 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 28.05/19.89 [2019-03-28 22:25:16,198 INFO L110 SettingsManager]: Loading preferences was successful 28.05/19.89 [2019-03-28 22:25:16,198 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 28.05/19.89 [2019-03-28 22:25:16,199 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 28.05/19.89 [2019-03-28 22:25:16,200 INFO L133 SettingsManager]: * Rewrite not-equals=true 28.05/19.89 [2019-03-28 22:25:16,200 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 28.05/19.89 [2019-03-28 22:25:16,200 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 28.05/19.89 [2019-03-28 22:25:16,200 INFO L133 SettingsManager]: * Use SBE=true 28.05/19.89 [2019-03-28 22:25:16,200 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 28.05/19.89 [2019-03-28 22:25:16,201 INFO L133 SettingsManager]: * Use old map elimination=false 28.05/19.89 [2019-03-28 22:25:16,201 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 28.05/19.89 [2019-03-28 22:25:16,201 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 28.05/19.89 [2019-03-28 22:25:16,201 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 28.05/19.89 [2019-03-28 22:25:16,201 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 28.05/19.89 [2019-03-28 22:25:16,201 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 28.05/19.89 [2019-03-28 22:25:16,202 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 28.05/19.89 [2019-03-28 22:25:16,202 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 28.05/19.89 [2019-03-28 22:25:16,202 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 28.05/19.89 [2019-03-28 22:25:16,202 INFO L133 SettingsManager]: * Check division by zero=IGNORE 28.05/19.89 [2019-03-28 22:25:16,202 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 28.05/19.89 [2019-03-28 22:25:16,202 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 28.05/19.89 [2019-03-28 22:25:16,203 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 28.05/19.89 [2019-03-28 22:25:16,203 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 28.05/19.89 [2019-03-28 22:25:16,203 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 28.05/19.89 [2019-03-28 22:25:16,203 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 28.05/19.89 [2019-03-28 22:25:16,203 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 28.05/19.89 [2019-03-28 22:25:16,204 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 28.05/19.89 [2019-03-28 22:25:16,204 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 28.05/19.89 [2019-03-28 22:25:16,204 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 28.05/19.89 [2019-03-28 22:25:16,204 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 28.05/19.89 [2019-03-28 22:25:16,229 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 28.05/19.89 [2019-03-28 22:25:16,243 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 28.05/19.89 [2019-03-28 22:25:16,246 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 28.05/19.89 [2019-03-28 22:25:16,248 INFO L271 PluginConnector]: Initializing CDTParser... 28.05/19.89 [2019-03-28 22:25:16,248 INFO L276 PluginConnector]: CDTParser initialized 28.05/19.89 [2019-03-28 22:25:16,249 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 28.05/19.89 [2019-03-28 22:25:16,396 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/efcd38f07ae5439cb28a103bd359d41b/FLAG9d116f0ca 28.05/19.89 [2019-03-28 22:25:16,727 INFO L307 CDTParser]: Found 1 translation units. 28.05/19.89 [2019-03-28 22:25:16,728 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 28.05/19.89 [2019-03-28 22:25:16,735 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/efcd38f07ae5439cb28a103bd359d41b/FLAG9d116f0ca 28.05/19.89 [2019-03-28 22:25:17,167 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/efcd38f07ae5439cb28a103bd359d41b 28.05/19.89 [2019-03-28 22:25:17,179 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 28.05/19.89 [2019-03-28 22:25:17,180 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 28.05/19.89 [2019-03-28 22:25:17,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 28.05/19.89 [2019-03-28 22:25:17,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 28.05/19.89 [2019-03-28 22:25:17,185 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 28.05/19.89 [2019-03-28 22:25:17,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:25:17" (1/1) ... 28.05/19.89 [2019-03-28 22:25:17,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2511e852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:25:17, skipping insertion in model container 28.05/19.89 [2019-03-28 22:25:17,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:25:17" (1/1) ... 28.05/19.89 [2019-03-28 22:25:17,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 28.05/19.89 [2019-03-28 22:25:17,214 INFO L176 MainTranslator]: Built tables and reachable declarations 28.05/19.89 [2019-03-28 22:25:17,371 INFO L206 PostProcessor]: Analyzing one entry point: main 28.05/19.89 [2019-03-28 22:25:17,376 INFO L191 MainTranslator]: Completed pre-run 28.05/19.89 [2019-03-28 22:25:17,393 INFO L206 PostProcessor]: Analyzing one entry point: main 28.05/19.89 [2019-03-28 22:25:17,470 INFO L195 MainTranslator]: Completed translation 28.05/19.89 [2019-03-28 22:25:17,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:25:17 WrapperNode 28.05/19.89 [2019-03-28 22:25:17,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 28.05/19.89 [2019-03-28 22:25:17,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 28.05/19.89 [2019-03-28 22:25:17,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 28.05/19.89 [2019-03-28 22:25:17,472 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 28.05/19.89 [2019-03-28 22:25:17,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:25:17" (1/1) ... 28.05/19.89 [2019-03-28 22:25:17,488 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:25:17" (1/1) ... 28.05/19.89 [2019-03-28 22:25:17,508 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 28.05/19.89 [2019-03-28 22:25:17,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 28.05/19.89 [2019-03-28 22:25:17,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 28.05/19.89 [2019-03-28 22:25:17,509 INFO L276 PluginConnector]: Boogie Preprocessor initialized 28.05/19.89 [2019-03-28 22:25:17,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:25:17" (1/1) ... 28.05/19.89 [2019-03-28 22:25:17,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:25:17" (1/1) ... 28.05/19.89 [2019-03-28 22:25:17,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:25:17" (1/1) ... 28.05/19.89 [2019-03-28 22:25:17,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:25:17" (1/1) ... 28.05/19.89 [2019-03-28 22:25:17,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:25:17" (1/1) ... 28.05/19.89 [2019-03-28 22:25:17,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:25:17" (1/1) ... 28.05/19.89 [2019-03-28 22:25:17,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:25:17" (1/1) ... 28.05/19.89 [2019-03-28 22:25:17,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 28.05/19.89 [2019-03-28 22:25:17,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 28.05/19.89 [2019-03-28 22:25:17,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... 28.05/19.89 [2019-03-28 22:25:17,530 INFO L276 PluginConnector]: RCFGBuilder initialized 28.05/19.89 [2019-03-28 22:25:17,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:25:17" (1/1) ... 28.05/19.89 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 28.05/19.89 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 28.05/19.89 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 28.05/19.89 [2019-03-28 22:25:17,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 28.05/19.89 [2019-03-28 22:25:17,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 28.05/19.89 [2019-03-28 22:25:17,739 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 28.05/19.89 [2019-03-28 22:25:17,740 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 28.05/19.89 [2019-03-28 22:25:17,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:25:17 BoogieIcfgContainer 28.05/19.89 [2019-03-28 22:25:17,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 28.05/19.89 [2019-03-28 22:25:17,742 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 28.05/19.89 [2019-03-28 22:25:17,742 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 28.05/19.89 [2019-03-28 22:25:17,744 INFO L276 PluginConnector]: BlockEncodingV2 initialized 28.05/19.89 [2019-03-28 22:25:17,745 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:25:17" (1/1) ... 28.05/19.89 [2019-03-28 22:25:17,759 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 28.05/19.89 [2019-03-28 22:25:17,761 INFO L258 BlockEncoder]: Using Remove infeasible edges 28.05/19.89 [2019-03-28 22:25:17,762 INFO L263 BlockEncoder]: Using Maximize final states 28.05/19.89 [2019-03-28 22:25:17,762 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 28.05/19.89 [2019-03-28 22:25:17,762 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 28.05/19.89 [2019-03-28 22:25:17,764 INFO L296 BlockEncoder]: Using Remove sink states 28.05/19.89 [2019-03-28 22:25:17,766 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 28.05/19.89 [2019-03-28 22:25:17,766 INFO L179 BlockEncoder]: Using Rewrite not-equals 28.05/19.89 [2019-03-28 22:25:17,782 INFO L185 BlockEncoder]: Using Use SBE 28.05/19.89 [2019-03-28 22:25:17,797 INFO L200 BlockEncoder]: SBE split 1 edges 28.05/19.89 [2019-03-28 22:25:17,802 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 28.05/19.89 [2019-03-28 22:25:17,803 INFO L71 MaximizeFinalStates]: 0 new accepting states 28.05/19.89 [2019-03-28 22:25:17,813 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 28.05/19.89 [2019-03-28 22:25:17,815 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 28.05/19.89 [2019-03-28 22:25:17,816 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 28.05/19.89 [2019-03-28 22:25:17,817 INFO L71 MaximizeFinalStates]: 0 new accepting states 28.05/19.89 [2019-03-28 22:25:17,824 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 28.05/19.89 [2019-03-28 22:25:17,824 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 28.05/19.89 [2019-03-28 22:25:17,825 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 28.05/19.89 [2019-03-28 22:25:17,825 INFO L71 MaximizeFinalStates]: 0 new accepting states 28.05/19.89 [2019-03-28 22:25:17,825 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 28.05/19.89 [2019-03-28 22:25:17,825 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 28.05/19.89 [2019-03-28 22:25:17,826 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges 28.05/19.89 [2019-03-28 22:25:17,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:25:17 BasicIcfg 28.05/19.89 [2019-03-28 22:25:17,826 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 28.05/19.89 [2019-03-28 22:25:17,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 28.05/19.89 [2019-03-28 22:25:17,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... 28.05/19.89 [2019-03-28 22:25:17,831 INFO L276 PluginConnector]: TraceAbstraction initialized 28.05/19.89 [2019-03-28 22:25:17,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:25:17" (1/4) ... 28.05/19.89 [2019-03-28 22:25:17,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4f9acc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:25:17, skipping insertion in model container 28.05/19.89 [2019-03-28 22:25:17,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:25:17" (2/4) ... 28.05/19.89 [2019-03-28 22:25:17,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4f9acc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:25:17, skipping insertion in model container 28.05/19.89 [2019-03-28 22:25:17,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:25:17" (3/4) ... 28.05/19.89 [2019-03-28 22:25:17,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4f9acc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:25:17, skipping insertion in model container 28.05/19.89 [2019-03-28 22:25:17,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:25:17" (4/4) ... 28.05/19.89 [2019-03-28 22:25:17,835 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 28.05/19.89 [2019-03-28 22:25:17,845 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 28.05/19.89 [2019-03-28 22:25:17,853 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 28.05/19.89 [2019-03-28 22:25:17,870 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 28.05/19.89 [2019-03-28 22:25:17,900 INFO L133 ementStrategyFactory]: Using default assertion order modulation 28.05/19.89 [2019-03-28 22:25:17,901 INFO L382 AbstractCegarLoop]: Interprodecural is true 28.05/19.89 [2019-03-28 22:25:17,901 INFO L383 AbstractCegarLoop]: Hoare is true 28.05/19.89 [2019-03-28 22:25:17,901 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 28.05/19.89 [2019-03-28 22:25:17,901 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 28.05/19.89 [2019-03-28 22:25:17,902 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 28.05/19.89 [2019-03-28 22:25:17,902 INFO L387 AbstractCegarLoop]: Difference is false 28.05/19.89 [2019-03-28 22:25:17,902 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 28.05/19.89 [2019-03-28 22:25:17,902 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 28.05/19.89 [2019-03-28 22:25:17,916 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 28.05/19.89 [2019-03-28 22:25:17,922 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 28.05/19.89 [2019-03-28 22:25:17,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 28.05/19.89 [2019-03-28 22:25:17,975 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 28.05/19.89 [2019-03-28 22:25:17,975 INFO L448 ceAbstractionStarter]: For program point L20(lines 20 26) no Hoare annotation was computed. 28.05/19.89 [2019-03-28 22:25:17,975 INFO L451 ceAbstractionStarter]: At program point L20-2(lines 19 27) the Hoare annotation is: true 28.05/19.89 [2019-03-28 22:25:17,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:25:17 BasicIcfg 28.05/19.89 [2019-03-28 22:25:17,984 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 28.05/19.89 [2019-03-28 22:25:17,984 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 28.05/19.89 [2019-03-28 22:25:17,984 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 28.05/19.89 [2019-03-28 22:25:17,988 INFO L276 PluginConnector]: BuchiAutomizer initialized 28.05/19.89 [2019-03-28 22:25:17,989 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 28.05/19.89 [2019-03-28 22:25:17,989 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:25:17" (1/5) ... 28.05/19.89 [2019-03-28 22:25:17,989 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@150ef8ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:25:17, skipping insertion in model container 28.05/19.89 [2019-03-28 22:25:17,990 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 28.05/19.89 [2019-03-28 22:25:17,990 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:25:17" (2/5) ... 28.05/19.89 [2019-03-28 22:25:17,990 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@150ef8ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:25:17, skipping insertion in model container 28.05/19.89 [2019-03-28 22:25:17,990 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 28.05/19.89 [2019-03-28 22:25:17,990 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:25:17" (3/5) ... 28.05/19.89 [2019-03-28 22:25:17,991 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@150ef8ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:25:17, skipping insertion in model container 28.05/19.89 [2019-03-28 22:25:17,991 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 28.05/19.89 [2019-03-28 22:25:17,991 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:25:17" (4/5) ... 28.05/19.89 [2019-03-28 22:25:17,991 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@150ef8ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:25:17, skipping insertion in model container 28.05/19.89 [2019-03-28 22:25:17,992 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 28.05/19.89 [2019-03-28 22:25:17,992 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:25:17" (5/5) ... 28.05/19.89 [2019-03-28 22:25:17,993 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 28.05/19.89 [2019-03-28 22:25:18,022 INFO L133 ementStrategyFactory]: Using default assertion order modulation 28.05/19.89 [2019-03-28 22:25:18,023 INFO L374 BuchiCegarLoop]: Interprodecural is true 28.05/19.89 [2019-03-28 22:25:18,023 INFO L375 BuchiCegarLoop]: Hoare is true 28.05/19.89 [2019-03-28 22:25:18,023 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 28.05/19.89 [2019-03-28 22:25:18,023 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 28.05/19.89 [2019-03-28 22:25:18,023 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 28.05/19.89 [2019-03-28 22:25:18,023 INFO L379 BuchiCegarLoop]: Difference is false 28.05/19.89 [2019-03-28 22:25:18,023 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 28.05/19.89 [2019-03-28 22:25:18,024 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 28.05/19.89 [2019-03-28 22:25:18,027 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 28.05/19.89 [2019-03-28 22:25:18,044 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 28.05/19.89 [2019-03-28 22:25:18,044 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 28.05/19.89 [2019-03-28 22:25:18,044 INFO L119 BuchiIsEmpty]: Starting construction of run 28.05/19.89 [2019-03-28 22:25:18,051 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 28.05/19.89 [2019-03-28 22:25:18,051 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 28.05/19.89 [2019-03-28 22:25:18,051 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 28.05/19.89 [2019-03-28 22:25:18,052 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 28.05/19.89 [2019-03-28 22:25:18,052 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 28.05/19.89 [2019-03-28 22:25:18,052 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 28.05/19.89 [2019-03-28 22:25:18,052 INFO L119 BuchiIsEmpty]: Starting construction of run 28.05/19.89 [2019-03-28 22:25:18,053 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 28.05/19.89 [2019-03-28 22:25:18,053 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 28.05/19.89 [2019-03-28 22:25:18,058 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [48] ULTIMATE.startENTRY-->L20-2: Formula: (let ((.cse0 (* 2 v_ULTIMATE.start_main_~r~0_10))) (and (= v_ULTIMATE.start_main_~da~0_11 .cse0) (= .cse0 v_ULTIMATE.start_main_~db~0_7) (<= 0 v_ULTIMATE.start_main_~r~0_10))) InVars {} OutVars{ULTIMATE.start_main_~da~0=v_ULTIMATE.start_main_~da~0_11, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_~db~0=v_ULTIMATE.start_main_~db~0_7, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_5, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~da~0, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~db~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~r~0] 4#L20-2true 28.05/19.89 [2019-03-28 22:25:18,058 INFO L796 eck$LassoCheckResult]: Loop: 4#L20-2true [36] L20-2-->L20: Formula: (<= v_ULTIMATE.start_main_~r~0_9 v_ULTIMATE.start_main_~da~0_10) InVars {ULTIMATE.start_main_~da~0=v_ULTIMATE.start_main_~da~0_10, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_9} OutVars{ULTIMATE.start_main_~da~0=v_ULTIMATE.start_main_~da~0_10, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_9} AuxVars[] AssignedVars[] 5#L20true [40] L20-->L20-2: Formula: (and (= v_ULTIMATE.start_main_~db~0_4 v_ULTIMATE.start_main_~da~0_6) (= 0 |v_ULTIMATE.start_main_#t~nondet1_5|) (= v_ULTIMATE.start_main_~da~0_6 (+ v_ULTIMATE.start_main_~db~0_5 (- 1))) (= v_ULTIMATE.start_main_~temp~0_4 v_ULTIMATE.start_main_~da~0_7)) InVars {ULTIMATE.start_main_~da~0=v_ULTIMATE.start_main_~da~0_7, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_5|, ULTIMATE.start_main_~db~0=v_ULTIMATE.start_main_~db~0_5} OutVars{ULTIMATE.start_main_~da~0=v_ULTIMATE.start_main_~da~0_6, ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_4, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_4|, ULTIMATE.start_main_~db~0=v_ULTIMATE.start_main_~db~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_~da~0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~db~0, ULTIMATE.start_main_~temp~0] 4#L20-2true 28.05/19.89 [2019-03-28 22:25:18,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 28.05/19.89 [2019-03-28 22:25:18,064 INFO L82 PathProgramCache]: Analyzing trace with hash 79, now seen corresponding path program 1 times 28.05/19.89 [2019-03-28 22:25:18,066 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 28.05/19.89 [2019-03-28 22:25:18,067 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 28.05/19.89 [2019-03-28 22:25:18,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 28.05/19.89 [2019-03-28 22:25:18,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 28.05/19.89 [2019-03-28 22:25:18,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 28.05/19.89 [2019-03-28 22:25:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 28.05/19.89 [2019-03-28 22:25:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 28.05/19.89 [2019-03-28 22:25:18,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 28.05/19.89 [2019-03-28 22:25:18,142 INFO L82 PathProgramCache]: Analyzing trace with hash 2117, now seen corresponding path program 1 times 28.05/19.89 [2019-03-28 22:25:18,142 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 28.05/19.89 [2019-03-28 22:25:18,142 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 28.05/19.89 [2019-03-28 22:25:18,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 28.05/19.89 [2019-03-28 22:25:18,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 28.05/19.89 [2019-03-28 22:25:18,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 28.05/19.89 [2019-03-28 22:25:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 28.05/19.89 [2019-03-28 22:25:18,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 28.05/19.89 [2019-03-28 22:25:18,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 28.05/19.89 [2019-03-28 22:25:18,155 INFO L82 PathProgramCache]: Analyzing trace with hash 77075, now seen corresponding path program 1 times 28.05/19.89 [2019-03-28 22:25:18,155 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 28.05/19.89 [2019-03-28 22:25:18,155 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 28.05/19.89 [2019-03-28 22:25:18,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 28.05/19.89 [2019-03-28 22:25:18,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 28.05/19.89 [2019-03-28 22:25:18,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 28.05/19.89 [2019-03-28 22:25:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 28.05/19.89 [2019-03-28 22:25:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 28.05/19.89 [2019-03-28 22:25:18,223 INFO L216 LassoAnalysis]: Preferences: 28.05/19.89 [2019-03-28 22:25:18,224 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 28.05/19.89 [2019-03-28 22:25:18,224 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 28.05/19.89 [2019-03-28 22:25:18,224 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 28.05/19.89 [2019-03-28 22:25:18,224 INFO L127 ssoRankerPreferences]: Use exernal solver: true 28.05/19.89 [2019-03-28 22:25:18,225 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 28.05/19.89 [2019-03-28 22:25:18,225 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 28.05/19.89 [2019-03-28 22:25:18,225 INFO L130 ssoRankerPreferences]: Path of dumped script: 28.05/19.89 [2019-03-28 22:25:18,225 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 28.05/19.89 [2019-03-28 22:25:18,225 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 28.05/19.89 [2019-03-28 22:25:18,226 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 28.05/19.89 [2019-03-28 22:25:18,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 28.05/19.89 [2019-03-28 22:25:18,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 28.05/19.89 [2019-03-28 22:25:18,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 28.05/19.89 [2019-03-28 22:25:18,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 28.05/19.89 [2019-03-28 22:25:18,396 INFO L300 LassoAnalysis]: Preprocessing complete. 28.05/19.89 [2019-03-28 22:25:18,397 INFO L412 LassoAnalysis]: Checking for nontermination... 28.05/19.89 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 28.05/19.89 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 28.05/19.89 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 28.05/19.89 [2019-03-28 22:25:18,404 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 28.05/19.89 [2019-03-28 22:25:18,405 INFO L163 nArgumentSynthesizer]: Using integer mode. 28.05/19.89 [2019-03-28 22:25:18,438 INFO L445 LassoAnalysis]: Proved nontermination for one component. 28.05/19.89 [2019-03-28 22:25:18,438 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: [] 28.05/19.89 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 28.05/19.89 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 28.05/19.89 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 28.05/19.89 [2019-03-28 22:25:18,445 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 28.05/19.89 [2019-03-28 22:25:18,445 INFO L163 nArgumentSynthesizer]: Using integer mode. 28.05/19.89 [2019-03-28 22:25:18,474 INFO L445 LassoAnalysis]: Proved nontermination for one component. 28.05/19.89 [2019-03-28 22:25:18,474 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: [] 28.05/19.89 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 28.05/19.89 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 28.05/19.89 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 28.05/19.89 [2019-03-28 22:25:18,479 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 28.05/19.89 [2019-03-28 22:25:18,479 INFO L163 nArgumentSynthesizer]: Using integer mode. 28.05/19.89 [2019-03-28 22:25:18,483 INFO L445 LassoAnalysis]: Proved nontermination for one component. 28.05/19.89 [2019-03-28 22:25:18,483 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 28.05/19.89 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 28.05/19.89 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 28.05/19.89 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 28.05/19.89 [2019-03-28 22:25:18,510 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 28.05/19.89 [2019-03-28 22:25:18,510 INFO L163 nArgumentSynthesizer]: Using integer mode. 28.05/19.89 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 28.05/19.89 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 28.05/19.89 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 28.05/19.89 [2019-03-28 22:25:18,546 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 28.05/19.89 [2019-03-28 22:25:18,546 INFO L163 nArgumentSynthesizer]: Using integer mode. 28.05/19.89 [2019-03-28 22:25:30,559 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. 28.05/19.89 [2019-03-28 22:25:30,563 INFO L216 LassoAnalysis]: Preferences: 28.05/19.89 [2019-03-28 22:25:30,564 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 28.05/19.89 [2019-03-28 22:25:30,564 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 28.05/19.89 [2019-03-28 22:25:30,564 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 28.05/19.89 [2019-03-28 22:25:30,564 INFO L127 ssoRankerPreferences]: Use exernal solver: false 28.05/19.89 [2019-03-28 22:25:30,564 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 28.05/19.89 [2019-03-28 22:25:30,564 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 28.05/19.89 [2019-03-28 22:25:30,565 INFO L130 ssoRankerPreferences]: Path of dumped script: 28.05/19.89 [2019-03-28 22:25:30,565 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 28.05/19.89 [2019-03-28 22:25:30,565 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 28.05/19.89 [2019-03-28 22:25:30,565 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 28.05/19.89 [2019-03-28 22:25:30,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 28.05/19.89 [2019-03-28 22:25:30,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 28.05/19.89 [2019-03-28 22:25:30,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 28.05/19.89 [2019-03-28 22:25:30,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 28.05/19.89 [2019-03-28 22:25:30,670 INFO L300 LassoAnalysis]: Preprocessing complete. 28.05/19.89 [2019-03-28 22:25:30,678 INFO L497 LassoAnalysis]: Using template 'affine'. 28.05/19.89 [2019-03-28 22:25:30,680 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 28.05/19.89 Termination analysis: LINEAR_WITH_GUESSES 28.05/19.89 Number of strict supporting invariants: 0 28.05/19.89 Number of non-strict supporting invariants: 1 28.05/19.89 Consider only non-deceasing supporting invariants: true 28.05/19.89 Simplify termination arguments: true 28.05/19.89 Simplify supporting invariants: trueOverapproximate stem: false 28.05/19.89 [2019-03-28 22:25:30,681 INFO L339 nArgumentSynthesizer]: Template has degree 0. 28.05/19.89 [2019-03-28 22:25:30,682 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 28.05/19.89 [2019-03-28 22:25:30,682 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 28.05/19.89 [2019-03-28 22:25:30,682 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 28.05/19.89 [2019-03-28 22:25:30,687 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 28.05/19.89 [2019-03-28 22:25:30,687 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 28.05/19.89 [2019-03-28 22:25:30,695 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 28.05/19.89 [2019-03-28 22:25:30,696 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 28.05/19.89 Termination analysis: LINEAR_WITH_GUESSES 28.05/19.89 Number of strict supporting invariants: 0 28.05/19.89 Number of non-strict supporting invariants: 1 28.05/19.89 Consider only non-deceasing supporting invariants: true 28.05/19.89 Simplify termination arguments: true 28.05/19.89 Simplify supporting invariants: trueOverapproximate stem: false 28.05/19.89 [2019-03-28 22:25:30,697 INFO L339 nArgumentSynthesizer]: Template has degree 0. 28.05/19.89 [2019-03-28 22:25:30,697 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 28.05/19.89 [2019-03-28 22:25:30,697 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 28.05/19.89 [2019-03-28 22:25:30,698 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 28.05/19.89 [2019-03-28 22:25:30,700 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 28.05/19.89 [2019-03-28 22:25:30,700 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 28.05/19.89 [2019-03-28 22:25:30,708 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 28.05/19.89 [2019-03-28 22:25:30,709 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 28.05/19.89 Termination analysis: LINEAR_WITH_GUESSES 28.05/19.89 Number of strict supporting invariants: 0 28.05/19.89 Number of non-strict supporting invariants: 1 28.05/19.89 Consider only non-deceasing supporting invariants: true 28.05/19.89 Simplify termination arguments: true 28.05/19.89 Simplify supporting invariants: trueOverapproximate stem: false 28.05/19.89 [2019-03-28 22:25:30,709 INFO L339 nArgumentSynthesizer]: Template has degree 0. 28.05/19.89 [2019-03-28 22:25:30,710 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 28.05/19.89 [2019-03-28 22:25:30,710 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 28.05/19.89 [2019-03-28 22:25:30,711 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 28.05/19.89 [2019-03-28 22:25:30,711 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 28.05/19.89 [2019-03-28 22:25:30,711 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 28.05/19.89 [2019-03-28 22:25:30,712 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 28.05/19.89 [2019-03-28 22:25:30,713 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 28.05/19.89 [2019-03-28 22:25:30,714 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 28.05/19.89 Termination analysis: LINEAR_WITH_GUESSES 28.05/19.89 Number of strict supporting invariants: 0 28.05/19.89 Number of non-strict supporting invariants: 1 28.05/19.89 Consider only non-deceasing supporting invariants: true 28.05/19.89 Simplify termination arguments: true 28.05/19.89 Simplify supporting invariants: trueOverapproximate stem: false 28.05/19.89 [2019-03-28 22:25:30,714 INFO L339 nArgumentSynthesizer]: Template has degree 0. 28.05/19.89 [2019-03-28 22:25:30,715 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 28.05/19.89 [2019-03-28 22:25:30,715 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 28.05/19.89 [2019-03-28 22:25:30,715 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 28.05/19.89 [2019-03-28 22:25:30,715 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 28.05/19.89 [2019-03-28 22:25:30,716 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 28.05/19.89 [2019-03-28 22:25:30,716 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 28.05/19.89 [2019-03-28 22:25:30,728 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 28.05/19.89 [2019-03-28 22:25:30,728 INFO L497 LassoAnalysis]: Using template '2-nested'. 28.05/19.89 [2019-03-28 22:25:30,729 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 28.05/19.89 Termination analysis: LINEAR_WITH_GUESSES 28.05/19.89 Number of strict supporting invariants: 0 28.05/19.89 Number of non-strict supporting invariants: 1 28.05/19.89 Consider only non-deceasing supporting invariants: true 28.05/19.89 Simplify termination arguments: true 28.05/19.89 Simplify supporting invariants: trueOverapproximate stem: false 28.05/19.89 [2019-03-28 22:25:30,730 INFO L339 nArgumentSynthesizer]: Template has degree 0. 28.05/19.89 [2019-03-28 22:25:30,730 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 28.05/19.89 [2019-03-28 22:25:30,730 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 28.05/19.89 [2019-03-28 22:25:30,731 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 28.05/19.89 [2019-03-28 22:25:30,734 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. 28.05/19.89 [2019-03-28 22:25:30,734 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. 28.05/19.89 [2019-03-28 22:25:30,740 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 28.05/19.89 [2019-03-28 22:25:30,740 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 28.05/19.89 Termination analysis: LINEAR_WITH_GUESSES 28.05/19.89 Number of strict supporting invariants: 0 28.05/19.89 Number of non-strict supporting invariants: 1 28.05/19.89 Consider only non-deceasing supporting invariants: true 28.05/19.89 Simplify termination arguments: true 28.05/19.89 Simplify supporting invariants: trueOverapproximate stem: false 28.05/19.89 [2019-03-28 22:25:30,741 INFO L339 nArgumentSynthesizer]: Template has degree 0. 28.05/19.89 [2019-03-28 22:25:30,741 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 28.05/19.89 [2019-03-28 22:25:30,741 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 28.05/19.89 [2019-03-28 22:25:30,742 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 28.05/19.89 [2019-03-28 22:25:30,745 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. 28.05/19.89 [2019-03-28 22:25:30,745 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. 28.05/19.89 [2019-03-28 22:25:30,754 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 28.05/19.89 [2019-03-28 22:25:30,755 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 28.05/19.89 Termination analysis: LINEAR_WITH_GUESSES 28.05/19.89 Number of strict supporting invariants: 0 28.05/19.89 Number of non-strict supporting invariants: 1 28.05/19.89 Consider only non-deceasing supporting invariants: true 28.05/19.89 Simplify termination arguments: true 28.05/19.89 Simplify supporting invariants: trueOverapproximate stem: false 28.05/19.89 [2019-03-28 22:25:30,756 INFO L339 nArgumentSynthesizer]: Template has degree 0. 28.05/19.89 [2019-03-28 22:25:30,756 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 28.05/19.89 [2019-03-28 22:25:30,756 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 28.05/19.89 [2019-03-28 22:25:30,756 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 28.05/19.89 [2019-03-28 22:25:30,756 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 28.05/19.89 [2019-03-28 22:25:30,757 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. 28.05/19.89 [2019-03-28 22:25:30,757 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 28.05/19.89 [2019-03-28 22:25:30,759 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 28.05/19.89 [2019-03-28 22:25:30,759 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 28.05/19.89 Termination analysis: LINEAR_WITH_GUESSES 28.05/19.89 Number of strict supporting invariants: 0 28.05/19.89 Number of non-strict supporting invariants: 1 28.05/19.89 Consider only non-deceasing supporting invariants: true 28.05/19.89 Simplify termination arguments: true 28.05/19.89 Simplify supporting invariants: trueOverapproximate stem: false 28.05/19.89 [2019-03-28 22:25:30,760 INFO L339 nArgumentSynthesizer]: Template has degree 0. 28.05/19.89 [2019-03-28 22:25:30,760 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 28.05/19.89 [2019-03-28 22:25:30,760 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 28.05/19.89 [2019-03-28 22:25:30,761 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 28.05/19.89 [2019-03-28 22:25:30,761 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 28.05/19.89 [2019-03-28 22:25:30,762 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. 28.05/19.89 [2019-03-28 22:25:30,762 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 28.05/19.89 [2019-03-28 22:25:30,776 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 28.05/19.89 [2019-03-28 22:25:30,796 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. 28.05/19.89 [2019-03-28 22:25:30,796 INFO L444 ModelExtractionUtils]: 4 out of 11 variables were initially zero. Simplification set additionally 1 variables to zero. 28.05/19.89 [2019-03-28 22:25:30,799 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 28.05/19.89 [2019-03-28 22:25:30,799 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 28.05/19.89 [2019-03-28 22:25:30,799 INFO L518 LassoAnalysis]: Proved termination. 28.05/19.89 [2019-03-28 22:25:30,800 INFO L520 LassoAnalysis]: Termination argument consisting of: 28.05/19.89 Ranking function 2-nested ranking function: 28.05/19.89 f0 = -2*ULTIMATE.start_main_~r~0 + 2*ULTIMATE.start_main_~db~0 28.05/19.89 f1 = 2*ULTIMATE.start_main_~da~0 - 2*ULTIMATE.start_main_~r~0 + 1 28.05/19.89 Supporting invariants [] 28.05/19.89 [2019-03-28 22:25:30,802 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 28.05/19.89 [2019-03-28 22:25:30,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 28.05/19.89 [2019-03-28 22:25:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 28.05/19.89 [2019-03-28 22:25:30,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core 28.05/19.89 [2019-03-28 22:25:30,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... 28.05/19.89 [2019-03-28 22:25:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 28.05/19.89 [2019-03-28 22:25:30,891 WARN L254 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core 28.05/19.89 [2019-03-28 22:25:30,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... 28.05/19.89 [2019-03-28 22:25:30,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 28.05/19.89 [2019-03-28 22:25:31,201 INFO L98 LoopCannibalizer]: 11 predicates before loop cannibalization 11 predicates after loop cannibalization 28.05/19.89 [2019-03-28 22:25:31,208 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 11 loop predicates 28.05/19.89 [2019-03-28 22:25:31,221 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 28.05/19.89 [2019-03-28 22:25:31,366 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 8 states and 14 transitions. Complement of second has 4 states. 28.05/19.89 [2019-03-28 22:25:31,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 28.05/19.89 [2019-03-28 22:25:31,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 28.05/19.89 [2019-03-28 22:25:31,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. 28.05/19.89 [2019-03-28 22:25:31,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 1 letters. Loop has 2 letters. 28.05/19.89 [2019-03-28 22:25:31,373 INFO L116 BuchiAccepts]: Finished buchiAccepts. 28.05/19.89 [2019-03-28 22:25:31,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 3 letters. Loop has 2 letters. 28.05/19.89 [2019-03-28 22:25:31,374 INFO L116 BuchiAccepts]: Finished buchiAccepts. 28.05/19.89 [2019-03-28 22:25:31,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 1 letters. Loop has 4 letters. 28.05/19.89 [2019-03-28 22:25:31,374 INFO L116 BuchiAccepts]: Finished buchiAccepts. 28.05/19.89 [2019-03-28 22:25:31,380 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 14 transitions. 28.05/19.89 [2019-03-28 22:25:31,381 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 28.05/19.89 [2019-03-28 22:25:31,385 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 8 states and 14 transitions. 28.05/19.89 [2019-03-28 22:25:31,386 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 28.05/19.89 [2019-03-28 22:25:31,387 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 28.05/19.89 [2019-03-28 22:25:31,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 14 transitions. 28.05/19.89 [2019-03-28 22:25:31,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 28.05/19.89 [2019-03-28 22:25:31,388 INFO L706 BuchiCegarLoop]: Abstraction has 8 states and 14 transitions. 28.05/19.89 [2019-03-28 22:25:31,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 14 transitions. 28.05/19.89 [2019-03-28 22:25:31,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. 28.05/19.89 [2019-03-28 22:25:31,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 28.05/19.89 [2019-03-28 22:25:31,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 12 transitions. 28.05/19.89 [2019-03-28 22:25:31,419 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 12 transitions. 28.05/19.89 [2019-03-28 22:25:31,419 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 12 transitions. 28.05/19.89 [2019-03-28 22:25:31,420 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 28.05/19.89 [2019-03-28 22:25:31,420 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 12 transitions. 28.05/19.89 [2019-03-28 22:25:31,420 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 28.05/19.89 [2019-03-28 22:25:31,420 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 28.05/19.89 [2019-03-28 22:25:31,421 INFO L119 BuchiIsEmpty]: Starting construction of run 28.05/19.89 [2019-03-28 22:25:31,421 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 28.05/19.89 [2019-03-28 22:25:31,421 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 28.05/19.89 [2019-03-28 22:25:31,422 INFO L794 eck$LassoCheckResult]: Stem: 57#ULTIMATE.startENTRY [48] ULTIMATE.startENTRY-->L20-2: Formula: (let ((.cse0 (* 2 v_ULTIMATE.start_main_~r~0_10))) (and (= v_ULTIMATE.start_main_~da~0_11 .cse0) (= .cse0 v_ULTIMATE.start_main_~db~0_7) (<= 0 v_ULTIMATE.start_main_~r~0_10))) InVars {} OutVars{ULTIMATE.start_main_~da~0=v_ULTIMATE.start_main_~da~0_11, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_~db~0=v_ULTIMATE.start_main_~db~0_7, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_5, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~da~0, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~db~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~r~0] 58#L20-2 [36] L20-2-->L20: Formula: (<= v_ULTIMATE.start_main_~r~0_9 v_ULTIMATE.start_main_~da~0_10) InVars {ULTIMATE.start_main_~da~0=v_ULTIMATE.start_main_~da~0_10, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_9} OutVars{ULTIMATE.start_main_~da~0=v_ULTIMATE.start_main_~da~0_10, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_9} AuxVars[] AssignedVars[] 60#L20 28.05/19.89 [2019-03-28 22:25:31,422 INFO L796 eck$LassoCheckResult]: Loop: 60#L20 [44] L20-->L20-2: Formula: (and (= v_ULTIMATE.start_main_~da~0_1 (+ v_ULTIMATE.start_main_~da~0_2 (- 1))) (> 0 |v_ULTIMATE.start_main_#t~nondet1_2|)) InVars {ULTIMATE.start_main_~da~0=v_ULTIMATE.start_main_~da~0_2, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_2|} OutVars{ULTIMATE.start_main_~da~0=v_ULTIMATE.start_main_~da~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~da~0, ULTIMATE.start_main_#t~nondet1] 59#L20-2 [36] L20-2-->L20: Formula: (<= v_ULTIMATE.start_main_~r~0_9 v_ULTIMATE.start_main_~da~0_10) InVars {ULTIMATE.start_main_~da~0=v_ULTIMATE.start_main_~da~0_10, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_9} OutVars{ULTIMATE.start_main_~da~0=v_ULTIMATE.start_main_~da~0_10, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_9} AuxVars[] AssignedVars[] 60#L20 28.05/19.89 [2019-03-28 22:25:31,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 28.05/19.89 [2019-03-28 22:25:31,422 INFO L82 PathProgramCache]: Analyzing trace with hash 2485, now seen corresponding path program 1 times 28.05/19.89 [2019-03-28 22:25:31,422 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 28.05/19.89 [2019-03-28 22:25:31,422 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 28.05/19.89 [2019-03-28 22:25:31,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 28.05/19.89 [2019-03-28 22:25:31,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 28.05/19.89 [2019-03-28 22:25:31,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 28.05/19.89 [2019-03-28 22:25:31,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 28.05/19.89 [2019-03-28 22:25:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 28.05/19.89 [2019-03-28 22:25:31,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 28.05/19.89 [2019-03-28 22:25:31,430 INFO L82 PathProgramCache]: Analyzing trace with hash 2361, now seen corresponding path program 1 times 28.05/19.89 [2019-03-28 22:25:31,430 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 28.05/19.89 [2019-03-28 22:25:31,430 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 28.05/19.89 [2019-03-28 22:25:31,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 28.05/19.89 [2019-03-28 22:25:31,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 28.05/19.89 [2019-03-28 22:25:31,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 28.05/19.89 [2019-03-28 22:25:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 28.05/19.89 [2019-03-28 22:25:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 28.05/19.89 [2019-03-28 22:25:31,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 28.05/19.89 [2019-03-28 22:25:31,437 INFO L82 PathProgramCache]: Analyzing trace with hash 2389485, now seen corresponding path program 1 times 28.05/19.89 [2019-03-28 22:25:31,437 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 28.05/19.89 [2019-03-28 22:25:31,437 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 28.05/19.89 [2019-03-28 22:25:31,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 28.05/19.89 [2019-03-28 22:25:31,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 28.05/19.89 [2019-03-28 22:25:31,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 28.05/19.89 [2019-03-28 22:25:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 28.05/19.89 [2019-03-28 22:25:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 28.05/19.89 [2019-03-28 22:25:31,467 INFO L216 LassoAnalysis]: Preferences: 28.05/19.89 [2019-03-28 22:25:31,467 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 28.05/19.89 [2019-03-28 22:25:31,467 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 28.05/19.89 [2019-03-28 22:25:31,468 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 28.05/19.89 [2019-03-28 22:25:31,468 INFO L127 ssoRankerPreferences]: Use exernal solver: true 28.05/19.89 [2019-03-28 22:25:31,468 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 28.05/19.89 [2019-03-28 22:25:31,468 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 28.05/19.89 [2019-03-28 22:25:31,469 INFO L130 ssoRankerPreferences]: Path of dumped script: 28.05/19.89 [2019-03-28 22:25:31,469 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 28.05/19.89 [2019-03-28 22:25:31,469 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 28.05/19.89 [2019-03-28 22:25:31,469 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 28.05/19.89 [2019-03-28 22:25:31,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 28.05/19.89 [2019-03-28 22:25:31,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 28.05/19.89 [2019-03-28 22:25:31,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 28.05/19.89 [2019-03-28 22:25:31,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 28.05/19.89 [2019-03-28 22:25:31,534 INFO L300 LassoAnalysis]: Preprocessing complete. 28.05/19.89 [2019-03-28 22:25:31,534 INFO L412 LassoAnalysis]: Checking for nontermination... 28.05/19.89 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 28.05/19.89 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 28.05/19.89 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 28.05/19.89 [2019-03-28 22:25:31,543 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 28.05/19.89 [2019-03-28 22:25:31,543 INFO L163 nArgumentSynthesizer]: Using integer mode. 28.05/19.89 [2019-03-28 22:25:31,572 INFO L445 LassoAnalysis]: Proved nontermination for one component. 28.05/19.89 [2019-03-28 22:25:31,573 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: [] 28.05/19.89 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 28.05/19.89 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 28.05/19.89 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 28.05/19.89 [2019-03-28 22:25:31,580 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 28.05/19.89 [2019-03-28 22:25:31,580 INFO L163 nArgumentSynthesizer]: Using integer mode. 28.05/19.89 [2019-03-28 22:25:31,610 INFO L445 LassoAnalysis]: Proved nontermination for one component. 28.05/19.89 [2019-03-28 22:25:31,610 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: [] 28.05/19.89 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 28.05/19.89 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 28.05/19.89 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 28.05/19.89 [2019-03-28 22:25:31,616 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 28.05/19.89 [2019-03-28 22:25:31,616 INFO L163 nArgumentSynthesizer]: Using integer mode. 28.05/19.89 [2019-03-28 22:25:31,644 INFO L445 LassoAnalysis]: Proved nontermination for one component. 28.05/19.89 [2019-03-28 22:25:31,644 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=-1} Honda state: {ULTIMATE.start_main_#t~nondet1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 28.05/19.89 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 28.05/19.89 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 28.05/19.89 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 28.05/19.89 [2019-03-28 22:25:31,651 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 28.05/19.89 [2019-03-28 22:25:31,651 INFO L163 nArgumentSynthesizer]: Using integer mode. 28.05/19.89 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 28.05/19.89 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 28.05/19.89 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 28.05/19.89 [2019-03-28 22:25:31,688 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 28.05/19.89 [2019-03-28 22:25:31,688 INFO L163 nArgumentSynthesizer]: Using integer mode. 28.05/19.89 [2019-03-28 22:25:32,189 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 28.05/19.89 [2019-03-28 22:25:32,192 INFO L216 LassoAnalysis]: Preferences: 28.05/19.89 [2019-03-28 22:25:32,192 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 28.05/19.89 [2019-03-28 22:25:32,193 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 28.05/19.89 [2019-03-28 22:25:32,193 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 28.05/19.89 [2019-03-28 22:25:32,193 INFO L127 ssoRankerPreferences]: Use exernal solver: false 28.05/19.89 [2019-03-28 22:25:32,193 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 28.05/19.89 [2019-03-28 22:25:32,193 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 28.05/19.89 [2019-03-28 22:25:32,193 INFO L130 ssoRankerPreferences]: Path of dumped script: 28.05/19.89 [2019-03-28 22:25:32,193 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 28.05/19.89 [2019-03-28 22:25:32,194 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 28.05/19.89 [2019-03-28 22:25:32,194 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 28.05/19.89 [2019-03-28 22:25:32,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 28.05/19.89 [2019-03-28 22:25:32,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 28.05/19.89 [2019-03-28 22:25:32,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 28.05/19.89 [2019-03-28 22:25:32,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 28.05/19.89 [2019-03-28 22:25:32,253 INFO L300 LassoAnalysis]: Preprocessing complete. 28.05/19.89 [2019-03-28 22:25:32,253 INFO L497 LassoAnalysis]: Using template 'affine'. 28.05/19.89 [2019-03-28 22:25:32,254 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 28.05/19.89 Termination analysis: LINEAR_WITH_GUESSES 28.05/19.89 Number of strict supporting invariants: 0 28.05/19.89 Number of non-strict supporting invariants: 1 28.05/19.89 Consider only non-deceasing supporting invariants: true 28.05/19.89 Simplify termination arguments: true 28.05/19.89 Simplify supporting invariants: trueOverapproximate stem: false 28.05/19.89 [2019-03-28 22:25:32,254 INFO L339 nArgumentSynthesizer]: Template has degree 0. 28.05/19.89 [2019-03-28 22:25:32,255 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 28.05/19.89 [2019-03-28 22:25:32,255 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 28.05/19.89 [2019-03-28 22:25:32,255 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 28.05/19.89 [2019-03-28 22:25:32,256 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 28.05/19.89 [2019-03-28 22:25:32,257 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 28.05/19.89 [2019-03-28 22:25:32,260 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 28.05/19.89 [2019-03-28 22:25:32,261 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 28.05/19.89 Termination analysis: LINEAR_WITH_GUESSES 28.05/19.89 Number of strict supporting invariants: 0 28.05/19.89 Number of non-strict supporting invariants: 1 28.05/19.89 Consider only non-deceasing supporting invariants: true 28.05/19.89 Simplify termination arguments: true 28.05/19.89 Simplify supporting invariants: trueOverapproximate stem: false 28.05/19.89 [2019-03-28 22:25:32,261 INFO L339 nArgumentSynthesizer]: Template has degree 0. 28.05/19.89 [2019-03-28 22:25:32,261 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 28.05/19.89 [2019-03-28 22:25:32,262 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 28.05/19.89 [2019-03-28 22:25:32,262 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 28.05/19.89 [2019-03-28 22:25:32,262 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 28.05/19.89 [2019-03-28 22:25:32,262 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 28.05/19.89 [2019-03-28 22:25:32,262 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 28.05/19.89 [2019-03-28 22:25:32,264 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 28.05/19.89 [2019-03-28 22:25:32,265 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 28.05/19.89 Termination analysis: LINEAR_WITH_GUESSES 28.05/19.89 Number of strict supporting invariants: 0 28.05/19.89 Number of non-strict supporting invariants: 1 28.05/19.89 Consider only non-deceasing supporting invariants: true 28.05/19.89 Simplify termination arguments: true 28.05/19.89 Simplify supporting invariants: trueOverapproximate stem: false 28.05/19.89 [2019-03-28 22:25:32,265 INFO L339 nArgumentSynthesizer]: Template has degree 0. 28.05/19.89 [2019-03-28 22:25:32,265 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 28.05/19.89 [2019-03-28 22:25:32,266 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 28.05/19.89 [2019-03-28 22:25:32,266 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 28.05/19.89 [2019-03-28 22:25:32,267 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 28.05/19.89 [2019-03-28 22:25:32,267 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 28.05/19.89 [2019-03-28 22:25:32,272 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 28.05/19.89 [2019-03-28 22:25:32,272 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 28.05/19.89 Termination analysis: LINEAR_WITH_GUESSES 28.05/19.89 Number of strict supporting invariants: 0 28.05/19.89 Number of non-strict supporting invariants: 1 28.05/19.89 Consider only non-deceasing supporting invariants: true 28.05/19.89 Simplify termination arguments: true 28.05/19.89 Simplify supporting invariants: trueOverapproximate stem: false 28.05/19.89 [2019-03-28 22:25:32,273 INFO L339 nArgumentSynthesizer]: Template has degree 0. 28.05/19.89 [2019-03-28 22:25:32,273 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 28.05/19.89 [2019-03-28 22:25:32,273 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 28.05/19.89 [2019-03-28 22:25:32,273 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 28.05/19.89 [2019-03-28 22:25:32,273 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 28.05/19.89 [2019-03-28 22:25:32,274 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 28.05/19.89 [2019-03-28 22:25:32,274 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 28.05/19.89 [2019-03-28 22:25:32,277 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 28.05/19.89 [2019-03-28 22:25:32,281 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 28.05/19.89 [2019-03-28 22:25:32,281 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 28.05/19.89 [2019-03-28 22:25:32,282 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 28.05/19.89 [2019-03-28 22:25:32,282 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 28.05/19.89 [2019-03-28 22:25:32,282 INFO L518 LassoAnalysis]: Proved termination. 28.05/19.89 [2019-03-28 22:25:32,282 INFO L520 LassoAnalysis]: Termination argument consisting of: 28.05/19.89 Ranking function f(ULTIMATE.start_main_~r~0, ULTIMATE.start_main_~da~0) = -1*ULTIMATE.start_main_~r~0 + 1*ULTIMATE.start_main_~da~0 28.05/19.89 Supporting invariants [] 28.05/19.89 [2019-03-28 22:25:32,283 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 28.05/19.89 [2019-03-28 22:25:32,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 28.05/19.89 [2019-03-28 22:25:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 28.05/19.89 [2019-03-28 22:25:32,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 28.05/19.89 [2019-03-28 22:25:32,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... 28.05/19.89 [2019-03-28 22:25:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 28.05/19.89 [2019-03-28 22:25:32,316 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 28.05/19.89 [2019-03-28 22:25:32,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... 28.05/19.89 [2019-03-28 22:25:32,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 28.05/19.89 [2019-03-28 22:25:32,329 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 28.05/19.89 [2019-03-28 22:25:32,329 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 28.05/19.89 [2019-03-28 22:25:32,329 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 12 transitions. cyclomatic complexity: 7 Second operand 3 states. 28.05/19.89 [2019-03-28 22:25:32,351 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 12 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 10 states and 20 transitions. Complement of second has 4 states. 28.05/19.89 [2019-03-28 22:25:32,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 28.05/19.89 [2019-03-28 22:25:32,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 28.05/19.89 [2019-03-28 22:25:32,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. 28.05/19.89 [2019-03-28 22:25:32,353 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 2 letters. Loop has 2 letters. 28.05/19.89 [2019-03-28 22:25:32,353 INFO L116 BuchiAccepts]: Finished buchiAccepts. 28.05/19.89 [2019-03-28 22:25:32,353 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 4 letters. Loop has 2 letters. 28.05/19.89 [2019-03-28 22:25:32,354 INFO L116 BuchiAccepts]: Finished buchiAccepts. 28.05/19.89 [2019-03-28 22:25:32,354 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 2 letters. Loop has 4 letters. 28.05/19.89 [2019-03-28 22:25:32,354 INFO L116 BuchiAccepts]: Finished buchiAccepts. 28.05/19.89 [2019-03-28 22:25:32,356 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 20 transitions. 28.05/19.89 [2019-03-28 22:25:32,357 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 28.05/19.89 [2019-03-28 22:25:32,357 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 0 states and 0 transitions. 28.05/19.89 [2019-03-28 22:25:32,357 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 28.05/19.89 [2019-03-28 22:25:32,357 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 28.05/19.89 [2019-03-28 22:25:32,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 28.05/19.89 [2019-03-28 22:25:32,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 28.05/19.89 [2019-03-28 22:25:32,358 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 28.05/19.89 [2019-03-28 22:25:32,358 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 28.05/19.89 [2019-03-28 22:25:32,358 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 28.05/19.89 [2019-03-28 22:25:32,358 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 28.05/19.89 [2019-03-28 22:25:32,358 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 28.05/19.89 [2019-03-28 22:25:32,358 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 28.05/19.89 [2019-03-28 22:25:32,358 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 28.05/19.89 [2019-03-28 22:25:32,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:25:32 BasicIcfg 28.05/19.89 [2019-03-28 22:25:32,364 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 28.05/19.89 [2019-03-28 22:25:32,365 INFO L168 Benchmark]: Toolchain (without parser) took 15185.69 ms. Allocated memory was 649.6 MB in the beginning and 675.8 MB in the end (delta: 26.2 MB). Free memory was 563.8 MB in the beginning and 400.8 MB in the end (delta: 163.1 MB). Peak memory consumption was 189.3 MB. Max. memory is 50.3 GB. 28.05/19.89 [2019-03-28 22:25:32,367 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 28.05/19.89 [2019-03-28 22:25:32,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.79 ms. Allocated memory was 649.6 MB in the beginning and 675.8 MB in the end (delta: 26.2 MB). Free memory was 563.8 MB in the beginning and 643.3 MB in the end (delta: -79.4 MB). Peak memory consumption was 30.1 MB. Max. memory is 50.3 GB. 28.05/19.89 [2019-03-28 22:25:32,368 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.94 ms. Allocated memory is still 675.8 MB. Free memory was 643.3 MB in the beginning and 641.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 28.05/19.89 [2019-03-28 22:25:32,368 INFO L168 Benchmark]: Boogie Preprocessor took 20.28 ms. Allocated memory is still 675.8 MB. Free memory was 641.9 MB in the beginning and 638.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 28.05/19.89 [2019-03-28 22:25:32,369 INFO L168 Benchmark]: RCFGBuilder took 211.92 ms. Allocated memory is still 675.8 MB. Free memory was 638.8 MB in the beginning and 625.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 28.05/19.89 [2019-03-28 22:25:32,370 INFO L168 Benchmark]: BlockEncodingV2 took 84.58 ms. Allocated memory is still 675.8 MB. Free memory was 625.9 MB in the beginning and 620.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 28.05/19.89 [2019-03-28 22:25:32,370 INFO L168 Benchmark]: TraceAbstraction took 156.54 ms. Allocated memory is still 675.8 MB. Free memory was 619.1 MB in the beginning and 611.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 28.05/19.89 [2019-03-28 22:25:32,371 INFO L168 Benchmark]: BuchiAutomizer took 14380.20 ms. Allocated memory is still 675.8 MB. Free memory was 611.1 MB in the beginning and 400.8 MB in the end (delta: 210.3 MB). Peak memory consumption was 210.3 MB. Max. memory is 50.3 GB. 28.05/19.89 [2019-03-28 22:25:32,375 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 28.05/19.89 --- Results --- 28.05/19.89 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 28.05/19.89 - StatisticsResult: Initial Icfg 28.05/19.89 8 locations, 11 edges 28.05/19.89 - StatisticsResult: Encoded RCFG 28.05/19.89 3 locations, 5 edges 28.05/19.89 * Results from de.uni_freiburg.informatik.ultimate.core: 28.05/19.89 - StatisticsResult: Toolchain Benchmarks 28.05/19.89 Benchmark results are: 28.05/19.89 * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 28.05/19.89 * CACSL2BoogieTranslator took 289.79 ms. Allocated memory was 649.6 MB in the beginning and 675.8 MB in the end (delta: 26.2 MB). Free memory was 563.8 MB in the beginning and 643.3 MB in the end (delta: -79.4 MB). Peak memory consumption was 30.1 MB. Max. memory is 50.3 GB. 28.05/19.89 * Boogie Procedure Inliner took 36.94 ms. Allocated memory is still 675.8 MB. Free memory was 643.3 MB in the beginning and 641.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 28.05/19.89 * Boogie Preprocessor took 20.28 ms. Allocated memory is still 675.8 MB. Free memory was 641.9 MB in the beginning and 638.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 28.05/19.89 * RCFGBuilder took 211.92 ms. Allocated memory is still 675.8 MB. Free memory was 638.8 MB in the beginning and 625.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 28.05/19.89 * BlockEncodingV2 took 84.58 ms. Allocated memory is still 675.8 MB. Free memory was 625.9 MB in the beginning and 620.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 28.05/19.89 * TraceAbstraction took 156.54 ms. Allocated memory is still 675.8 MB. Free memory was 619.1 MB in the beginning and 611.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 28.05/19.89 * BuchiAutomizer took 14380.20 ms. Allocated memory is still 675.8 MB. Free memory was 611.1 MB in the beginning and 400.8 MB in the end (delta: 210.3 MB). Peak memory consumption was 210.3 MB. Max. memory is 50.3 GB. 28.05/19.89 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 28.05/19.89 - AllSpecificationsHoldResult: All specifications hold 28.05/19.89 We were not able to verify any specifiation because the program does not contain any specification. 28.05/19.89 - InvariantResult [Line: 19]: Loop Invariant 28.05/19.89 Derived loop invariant: 1 28.05/19.89 - StatisticsResult: Ultimate Automizer benchmark data 28.05/19.89 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 28.05/19.89 - StatisticsResult: Constructed decomposition of program 28.05/19.89 Your program was decomposed into 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has 2-nested ranking function (if -2 * r + 2 * db > 0 then 1 else 0), (if -2 * r + 2 * db > 0 then -2 * r + 2 * db else 2 * da + -2 * r + 1) and consists of 3 locations. One nondeterministic module has affine ranking function -1 * r + da and consists of 3 locations. 28.05/19.89 - StatisticsResult: Timing statistics 28.05/19.89 BüchiAutomizer plugin needed 14.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 13.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 6 SDtfs, 13 SDslu, 0 SDs, 0 SdLazy, 22 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax177 hnf100 lsp45 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq173 hnf91 smp100 dnf100 smp100 tf110 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 11ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.7s 28.05/19.89 - TerminationAnalysisResult: Termination proven 28.05/19.89 Buchi Automizer proved that your program is terminating 28.05/19.89 RESULT: Ultimate proved your program to be correct! 28.05/19.89 !SESSION 2019-03-28 22:25:13.862 ----------------------------------------------- 28.05/19.89 eclipse.buildId=unknown 28.05/19.89 java.version=1.8.0_181 28.05/19.89 java.vendor=Oracle Corporation 28.05/19.89 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 28.05/19.89 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 28.05/19.89 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 28.05/19.89 28.05/19.89 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:25:32.607 28.05/19.89 !MESSAGE The workspace will exit with unsaved changes in this session. 28.05/19.89 Received shutdown request... 28.05/19.89 Ultimate: 28.05/19.89 GTK+ Version Check 28.05/19.89 EOF