14.54/8.23 YES 14.54/8.23 14.54/8.23 Ultimate: Cannot open display: 14.54/8.23 This is Ultimate 0.1.24-8dc7c08-m 14.54/8.23 [2019-03-28 22:49:16,125 INFO L170 SettingsManager]: Resetting all preferences to default values... 14.54/8.23 [2019-03-28 22:49:16,128 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 14.54/8.23 [2019-03-28 22:49:16,139 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 14.54/8.23 [2019-03-28 22:49:16,139 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 14.54/8.23 [2019-03-28 22:49:16,140 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 14.54/8.23 [2019-03-28 22:49:16,141 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 14.54/8.23 [2019-03-28 22:49:16,143 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 14.54/8.23 [2019-03-28 22:49:16,144 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 14.54/8.23 [2019-03-28 22:49:16,145 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 14.54/8.23 [2019-03-28 22:49:16,146 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 14.54/8.23 [2019-03-28 22:49:16,146 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 14.54/8.23 [2019-03-28 22:49:16,147 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 14.54/8.23 [2019-03-28 22:49:16,148 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 14.54/8.23 [2019-03-28 22:49:16,149 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 14.54/8.23 [2019-03-28 22:49:16,150 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 14.54/8.23 [2019-03-28 22:49:16,150 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 14.54/8.23 [2019-03-28 22:49:16,152 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 14.54/8.23 [2019-03-28 22:49:16,154 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 14.54/8.23 [2019-03-28 22:49:16,155 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 14.54/8.23 [2019-03-28 22:49:16,156 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 14.54/8.23 [2019-03-28 22:49:16,158 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 14.54/8.23 [2019-03-28 22:49:16,160 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 14.54/8.23 [2019-03-28 22:49:16,160 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 14.54/8.23 [2019-03-28 22:49:16,160 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 14.54/8.23 [2019-03-28 22:49:16,161 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 14.54/8.23 [2019-03-28 22:49:16,161 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 14.54/8.23 [2019-03-28 22:49:16,162 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 14.54/8.23 [2019-03-28 22:49:16,162 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 14.54/8.23 [2019-03-28 22:49:16,163 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 14.54/8.23 [2019-03-28 22:49:16,164 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 14.54/8.23 [2019-03-28 22:49:16,165 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 14.54/8.23 [2019-03-28 22:49:16,165 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 14.54/8.23 [2019-03-28 22:49:16,166 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 14.54/8.23 [2019-03-28 22:49:16,166 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 14.54/8.23 [2019-03-28 22:49:16,166 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 14.54/8.23 [2019-03-28 22:49:16,167 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 14.54/8.23 [2019-03-28 22:49:16,168 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 14.54/8.23 [2019-03-28 22:49:16,168 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 14.54/8.23 [2019-03-28 22:49:16,169 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 14.54/8.23 [2019-03-28 22:49:16,183 INFO L110 SettingsManager]: Loading preferences was successful 14.54/8.23 [2019-03-28 22:49:16,183 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 14.54/8.23 [2019-03-28 22:49:16,184 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 14.54/8.23 [2019-03-28 22:49:16,184 INFO L133 SettingsManager]: * Rewrite not-equals=true 14.54/8.23 [2019-03-28 22:49:16,185 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 14.54/8.23 [2019-03-28 22:49:16,185 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 14.54/8.23 [2019-03-28 22:49:16,185 INFO L133 SettingsManager]: * Use SBE=true 14.54/8.23 [2019-03-28 22:49:16,185 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 14.54/8.23 [2019-03-28 22:49:16,185 INFO L133 SettingsManager]: * Use old map elimination=false 14.54/8.23 [2019-03-28 22:49:16,186 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 14.54/8.23 [2019-03-28 22:49:16,186 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 14.54/8.23 [2019-03-28 22:49:16,186 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 14.54/8.23 [2019-03-28 22:49:16,186 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 14.54/8.23 [2019-03-28 22:49:16,186 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 14.54/8.23 [2019-03-28 22:49:16,187 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.54/8.23 [2019-03-28 22:49:16,187 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 14.54/8.23 [2019-03-28 22:49:16,187 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 14.54/8.23 [2019-03-28 22:49:16,187 INFO L133 SettingsManager]: * Check division by zero=IGNORE 14.54/8.23 [2019-03-28 22:49:16,187 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 14.54/8.23 [2019-03-28 22:49:16,188 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 14.54/8.23 [2019-03-28 22:49:16,188 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 14.54/8.23 [2019-03-28 22:49:16,188 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 14.54/8.23 [2019-03-28 22:49:16,188 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 14.54/8.23 [2019-03-28 22:49:16,188 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 14.54/8.23 [2019-03-28 22:49:16,189 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.54/8.23 [2019-03-28 22:49:16,189 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 14.54/8.23 [2019-03-28 22:49:16,189 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 14.54/8.23 [2019-03-28 22:49:16,189 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 14.54/8.23 [2019-03-28 22:49:16,189 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 14.54/8.23 [2019-03-28 22:49:16,215 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 14.54/8.23 [2019-03-28 22:49:16,228 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 14.54/8.23 [2019-03-28 22:49:16,231 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 14.54/8.23 [2019-03-28 22:49:16,233 INFO L271 PluginConnector]: Initializing CDTParser... 14.54/8.23 [2019-03-28 22:49:16,233 INFO L276 PluginConnector]: CDTParser initialized 14.54/8.23 [2019-03-28 22:49:16,234 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 14.54/8.23 [2019-03-28 22:49:16,305 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/8f9e140c42604b6c9d444a93e3a93f5c/FLAGbc210fb29 14.54/8.23 [2019-03-28 22:49:16,653 INFO L307 CDTParser]: Found 1 translation units. 14.54/8.23 [2019-03-28 22:49:16,654 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 14.54/8.23 [2019-03-28 22:49:16,660 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/8f9e140c42604b6c9d444a93e3a93f5c/FLAGbc210fb29 14.54/8.23 [2019-03-28 22:49:17,059 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/8f9e140c42604b6c9d444a93e3a93f5c 14.54/8.23 [2019-03-28 22:49:17,071 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 14.54/8.23 [2019-03-28 22:49:17,072 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 14.54/8.23 [2019-03-28 22:49:17,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 14.54/8.23 [2019-03-28 22:49:17,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 14.54/8.23 [2019-03-28 22:49:17,078 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 14.54/8.23 [2019-03-28 22:49:17,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:49:17" (1/1) ... 14.54/8.23 [2019-03-28 22:49:17,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76473145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:17, skipping insertion in model container 14.54/8.23 [2019-03-28 22:49:17,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:49:17" (1/1) ... 14.54/8.23 [2019-03-28 22:49:17,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 14.54/8.23 [2019-03-28 22:49:17,109 INFO L176 MainTranslator]: Built tables and reachable declarations 14.54/8.23 [2019-03-28 22:49:17,271 INFO L206 PostProcessor]: Analyzing one entry point: main 14.54/8.23 [2019-03-28 22:49:17,275 INFO L191 MainTranslator]: Completed pre-run 14.54/8.23 [2019-03-28 22:49:17,292 INFO L206 PostProcessor]: Analyzing one entry point: main 14.54/8.23 [2019-03-28 22:49:17,307 INFO L195 MainTranslator]: Completed translation 14.54/8.23 [2019-03-28 22:49:17,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:17 WrapperNode 14.54/8.23 [2019-03-28 22:49:17,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 14.54/8.23 [2019-03-28 22:49:17,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 14.54/8.23 [2019-03-28 22:49:17,309 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 14.54/8.23 [2019-03-28 22:49:17,309 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 14.54/8.23 [2019-03-28 22:49:17,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:17" (1/1) ... 14.54/8.23 [2019-03-28 22:49:17,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:17" (1/1) ... 14.54/8.23 [2019-03-28 22:49:17,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 14.54/8.23 [2019-03-28 22:49:17,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 14.54/8.23 [2019-03-28 22:49:17,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 14.54/8.23 [2019-03-28 22:49:17,404 INFO L276 PluginConnector]: Boogie Preprocessor initialized 14.54/8.23 [2019-03-28 22:49:17,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:17" (1/1) ... 14.54/8.23 [2019-03-28 22:49:17,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:17" (1/1) ... 14.54/8.23 [2019-03-28 22:49:17,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:17" (1/1) ... 14.54/8.23 [2019-03-28 22:49:17,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:17" (1/1) ... 14.54/8.23 [2019-03-28 22:49:17,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:17" (1/1) ... 14.54/8.23 [2019-03-28 22:49:17,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:17" (1/1) ... 14.54/8.23 [2019-03-28 22:49:17,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:17" (1/1) ... 14.54/8.23 [2019-03-28 22:49:17,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 14.54/8.23 [2019-03-28 22:49:17,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 14.54/8.23 [2019-03-28 22:49:17,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... 14.54/8.23 [2019-03-28 22:49:17,424 INFO L276 PluginConnector]: RCFGBuilder initialized 14.54/8.23 [2019-03-28 22:49:17,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:17" (1/1) ... 14.54/8.23 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.54/8.23 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 14.54/8.23 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.54/8.23 [2019-03-28 22:49:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 14.54/8.23 [2019-03-28 22:49:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 14.54/8.23 [2019-03-28 22:49:17,627 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 14.54/8.23 [2019-03-28 22:49:17,627 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 14.54/8.23 [2019-03-28 22:49:17,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:49:17 BoogieIcfgContainer 14.54/8.23 [2019-03-28 22:49:17,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 14.54/8.23 [2019-03-28 22:49:17,629 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 14.54/8.23 [2019-03-28 22:49:17,629 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 14.54/8.23 [2019-03-28 22:49:17,632 INFO L276 PluginConnector]: BlockEncodingV2 initialized 14.54/8.23 [2019-03-28 22:49:17,632 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:49:17" (1/1) ... 14.54/8.23 [2019-03-28 22:49:17,646 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 14.54/8.23 [2019-03-28 22:49:17,648 INFO L258 BlockEncoder]: Using Remove infeasible edges 14.54/8.23 [2019-03-28 22:49:17,649 INFO L263 BlockEncoder]: Using Maximize final states 14.54/8.23 [2019-03-28 22:49:17,649 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 14.54/8.23 [2019-03-28 22:49:17,650 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 14.54/8.23 [2019-03-28 22:49:17,652 INFO L296 BlockEncoder]: Using Remove sink states 14.54/8.23 [2019-03-28 22:49:17,653 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 14.54/8.23 [2019-03-28 22:49:17,653 INFO L179 BlockEncoder]: Using Rewrite not-equals 14.54/8.23 [2019-03-28 22:49:17,667 INFO L185 BlockEncoder]: Using Use SBE 14.54/8.23 [2019-03-28 22:49:17,674 INFO L200 BlockEncoder]: SBE split 0 edges 14.54/8.23 [2019-03-28 22:49:17,679 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 14.54/8.23 [2019-03-28 22:49:17,682 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.54/8.23 [2019-03-28 22:49:17,692 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 14.54/8.23 [2019-03-28 22:49:17,694 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 14.54/8.23 [2019-03-28 22:49:17,695 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.54/8.23 [2019-03-28 22:49:17,695 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.54/8.23 [2019-03-28 22:49:17,700 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 14.54/8.23 [2019-03-28 22:49:17,700 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.54/8.23 [2019-03-28 22:49:17,700 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.54/8.23 [2019-03-28 22:49:17,701 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.54/8.23 [2019-03-28 22:49:17,701 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 14.54/8.23 [2019-03-28 22:49:17,701 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.54/8.23 [2019-03-28 22:49:17,701 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 14.54/8.23 [2019-03-28 22:49:17,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:49:17 BasicIcfg 14.54/8.23 [2019-03-28 22:49:17,702 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 14.54/8.23 [2019-03-28 22:49:17,703 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 14.54/8.23 [2019-03-28 22:49:17,703 INFO L271 PluginConnector]: Initializing TraceAbstraction... 14.54/8.23 [2019-03-28 22:49:17,706 INFO L276 PluginConnector]: TraceAbstraction initialized 14.54/8.23 [2019-03-28 22:49:17,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:49:17" (1/4) ... 14.54/8.23 [2019-03-28 22:49:17,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68203dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:49:17, skipping insertion in model container 14.54/8.23 [2019-03-28 22:49:17,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:17" (2/4) ... 14.54/8.23 [2019-03-28 22:49:17,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68203dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:49:17, skipping insertion in model container 14.54/8.23 [2019-03-28 22:49:17,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:49:17" (3/4) ... 14.54/8.23 [2019-03-28 22:49:17,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68203dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:49:17, skipping insertion in model container 14.54/8.23 [2019-03-28 22:49:17,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:49:17" (4/4) ... 14.54/8.23 [2019-03-28 22:49:17,710 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.54/8.23 [2019-03-28 22:49:17,720 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 14.54/8.23 [2019-03-28 22:49:17,728 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 14.54/8.23 [2019-03-28 22:49:17,745 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 14.54/8.23 [2019-03-28 22:49:17,774 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.54/8.23 [2019-03-28 22:49:17,775 INFO L382 AbstractCegarLoop]: Interprodecural is true 14.54/8.23 [2019-03-28 22:49:17,775 INFO L383 AbstractCegarLoop]: Hoare is true 14.54/8.23 [2019-03-28 22:49:17,776 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 14.54/8.23 [2019-03-28 22:49:17,776 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 14.54/8.23 [2019-03-28 22:49:17,776 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.54/8.23 [2019-03-28 22:49:17,776 INFO L387 AbstractCegarLoop]: Difference is false 14.54/8.23 [2019-03-28 22:49:17,776 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 14.54/8.23 [2019-03-28 22:49:17,776 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 14.54/8.23 [2019-03-28 22:49:17,791 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 14.54/8.23 [2019-03-28 22:49:17,796 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 14.54/8.23 [2019-03-28 22:49:17,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 14.54/8.23 [2019-03-28 22:49:17,849 INFO L451 ceAbstractionStarter]: At program point L19-2(lines 19 22) the Hoare annotation is: true 14.54/8.23 [2019-03-28 22:49:17,849 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 14.54/8.23 [2019-03-28 22:49:17,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:49:17 BasicIcfg 14.54/8.23 [2019-03-28 22:49:17,857 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 14.54/8.23 [2019-03-28 22:49:17,858 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 14.54/8.23 [2019-03-28 22:49:17,858 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 14.54/8.23 [2019-03-28 22:49:17,861 INFO L276 PluginConnector]: BuchiAutomizer initialized 14.54/8.23 [2019-03-28 22:49:17,862 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.54/8.23 [2019-03-28 22:49:17,863 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:49:17" (1/5) ... 14.54/8.23 [2019-03-28 22:49:17,863 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e793ce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:49:17, skipping insertion in model container 14.54/8.23 [2019-03-28 22:49:17,864 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.54/8.23 [2019-03-28 22:49:17,864 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:17" (2/5) ... 14.54/8.23 [2019-03-28 22:49:17,864 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e793ce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:49:17, skipping insertion in model container 14.54/8.23 [2019-03-28 22:49:17,864 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.54/8.23 [2019-03-28 22:49:17,864 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:49:17" (3/5) ... 14.54/8.23 [2019-03-28 22:49:17,865 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e793ce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:49:17, skipping insertion in model container 14.54/8.23 [2019-03-28 22:49:17,865 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.54/8.23 [2019-03-28 22:49:17,865 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:49:17" (4/5) ... 14.54/8.23 [2019-03-28 22:49:17,866 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e793ce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:49:17, skipping insertion in model container 14.54/8.23 [2019-03-28 22:49:17,866 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.54/8.23 [2019-03-28 22:49:17,866 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:49:17" (5/5) ... 14.54/8.23 [2019-03-28 22:49:17,867 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.54/8.23 [2019-03-28 22:49:17,895 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.54/8.23 [2019-03-28 22:49:17,895 INFO L374 BuchiCegarLoop]: Interprodecural is true 14.54/8.23 [2019-03-28 22:49:17,896 INFO L375 BuchiCegarLoop]: Hoare is true 14.54/8.23 [2019-03-28 22:49:17,896 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 14.54/8.23 [2019-03-28 22:49:17,896 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 14.54/8.23 [2019-03-28 22:49:17,896 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.54/8.23 [2019-03-28 22:49:17,896 INFO L379 BuchiCegarLoop]: Difference is false 14.54/8.23 [2019-03-28 22:49:17,897 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 14.54/8.23 [2019-03-28 22:49:17,897 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 14.54/8.23 [2019-03-28 22:49:17,900 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 14.54/8.23 [2019-03-28 22:49:17,918 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.54/8.23 [2019-03-28 22:49:17,918 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.54/8.23 [2019-03-28 22:49:17,918 INFO L119 BuchiIsEmpty]: Starting construction of run 14.54/8.23 [2019-03-28 22:49:17,924 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.54/8.23 [2019-03-28 22:49:17,924 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 14.54/8.23 [2019-03-28 22:49:17,924 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 14.54/8.23 [2019-03-28 22:49:17,924 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 14.54/8.23 [2019-03-28 22:49:17,925 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.54/8.23 [2019-03-28 22:49:17,925 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.54/8.23 [2019-03-28 22:49:17,925 INFO L119 BuchiIsEmpty]: Starting construction of run 14.54/8.23 [2019-03-28 22:49:17,925 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.54/8.23 [2019-03-28 22:49:17,925 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 14.54/8.23 [2019-03-28 22:49:17,930 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [37] ULTIMATE.startENTRY-->L19-2: Formula: (<= 2 v_ULTIMATE.start_main_~c~0_11) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~x~0] 4#L19-2true 14.54/8.23 [2019-03-28 22:49:17,931 INFO L796 eck$LassoCheckResult]: Loop: 4#L19-2true [27] L19-2-->L19-2: Formula: (and (<= 0 (+ v_ULTIMATE.start_main_~c~0_10 v_ULTIMATE.start_main_~x~0_8)) (= v_ULTIMATE.start_main_~x~0_7 (+ (* (- 1) v_ULTIMATE.start_main_~c~0_10) v_ULTIMATE.start_main_~x~0_8)) (= v_ULTIMATE.start_main_~c~0_9 (+ v_ULTIMATE.start_main_~c~0_10 1))) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~x~0] 4#L19-2true 14.54/8.23 [2019-03-28 22:49:17,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.54/8.23 [2019-03-28 22:49:17,937 INFO L82 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 1 times 14.54/8.23 [2019-03-28 22:49:17,939 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.54/8.23 [2019-03-28 22:49:17,940 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.54/8.23 [2019-03-28 22:49:17,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.54/8.23 [2019-03-28 22:49:17,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.54/8.23 [2019-03-28 22:49:17,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.54/8.23 [2019-03-28 22:49:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.54/8.23 [2019-03-28 22:49:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.54/8.23 [2019-03-28 22:49:18,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.54/8.23 [2019-03-28 22:49:18,007 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times 14.54/8.23 [2019-03-28 22:49:18,008 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.54/8.23 [2019-03-28 22:49:18,008 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.54/8.23 [2019-03-28 22:49:18,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.54/8.23 [2019-03-28 22:49:18,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.54/8.23 [2019-03-28 22:49:18,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.54/8.23 [2019-03-28 22:49:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.54/8.23 [2019-03-28 22:49:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.54/8.23 [2019-03-28 22:49:18,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.54/8.23 [2019-03-28 22:49:18,028 INFO L82 PathProgramCache]: Analyzing trace with hash 2135, now seen corresponding path program 1 times 14.54/8.23 [2019-03-28 22:49:18,028 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.54/8.23 [2019-03-28 22:49:18,028 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.54/8.23 [2019-03-28 22:49:18,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.54/8.23 [2019-03-28 22:49:18,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.54/8.23 [2019-03-28 22:49:18,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.54/8.23 [2019-03-28 22:49:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.54/8.23 [2019-03-28 22:49:18,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.54/8.23 [2019-03-28 22:49:18,079 INFO L216 LassoAnalysis]: Preferences: 14.54/8.23 [2019-03-28 22:49:18,080 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.54/8.23 [2019-03-28 22:49:18,080 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.54/8.23 [2019-03-28 22:49:18,080 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.54/8.23 [2019-03-28 22:49:18,080 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.54/8.23 [2019-03-28 22:49:18,081 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.54/8.23 [2019-03-28 22:49:18,081 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.54/8.23 [2019-03-28 22:49:18,081 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.54/8.23 [2019-03-28 22:49:18,081 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.54/8.23 [2019-03-28 22:49:18,081 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.54/8.23 [2019-03-28 22:49:18,082 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.54/8.23 [2019-03-28 22:49:18,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.54/8.23 [2019-03-28 22:49:18,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.54/8.23 [2019-03-28 22:49:18,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.54/8.23 [2019-03-28 22:49:18,206 INFO L300 LassoAnalysis]: Preprocessing complete. 14.54/8.23 [2019-03-28 22:49:18,207 INFO L412 LassoAnalysis]: Checking for nontermination... 14.54/8.23 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.54/8.23 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.54/8.23 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.54/8.23 [2019-03-28 22:49:18,215 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.54/8.23 [2019-03-28 22:49:18,215 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.54/8.23 [2019-03-28 22:49:18,248 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.54/8.23 [2019-03-28 22:49:18,248 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: [] 14.54/8.23 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.54/8.23 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.54/8.23 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.54/8.23 [2019-03-28 22:49:18,257 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.54/8.23 [2019-03-28 22:49:18,257 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.54/8.23 [2019-03-28 22:49:18,285 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.54/8.23 [2019-03-28 22:49:18,285 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: [] 14.54/8.23 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.54/8.23 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.54/8.23 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.54/8.23 [2019-03-28 22:49:18,292 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.54/8.23 [2019-03-28 22:49:18,292 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.54/8.23 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.54/8.23 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.54/8.23 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.54/8.23 [2019-03-28 22:49:18,324 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.54/8.23 [2019-03-28 22:49:18,324 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.54/8.23 [2019-03-28 22:49:20,480 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.54/8.23 [2019-03-28 22:49:20,483 INFO L216 LassoAnalysis]: Preferences: 14.54/8.23 [2019-03-28 22:49:20,483 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.54/8.23 [2019-03-28 22:49:20,484 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.54/8.23 [2019-03-28 22:49:20,484 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.54/8.23 [2019-03-28 22:49:20,484 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.54/8.23 [2019-03-28 22:49:20,484 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.54/8.23 [2019-03-28 22:49:20,484 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.54/8.23 [2019-03-28 22:49:20,484 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.54/8.23 [2019-03-28 22:49:20,484 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.54/8.23 [2019-03-28 22:49:20,485 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.54/8.23 [2019-03-28 22:49:20,485 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.54/8.23 [2019-03-28 22:49:20,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.54/8.23 [2019-03-28 22:49:20,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.54/8.23 [2019-03-28 22:49:20,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.54/8.23 [2019-03-28 22:49:20,582 INFO L300 LassoAnalysis]: Preprocessing complete. 14.54/8.23 [2019-03-28 22:49:20,588 INFO L497 LassoAnalysis]: Using template 'affine'. 14.54/8.23 [2019-03-28 22:49:20,589 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.54/8.23 Termination analysis: LINEAR_WITH_GUESSES 14.54/8.23 Number of strict supporting invariants: 0 14.54/8.23 Number of non-strict supporting invariants: 1 14.54/8.23 Consider only non-deceasing supporting invariants: true 14.54/8.23 Simplify termination arguments: true 14.54/8.23 Simplify supporting invariants: trueOverapproximate stem: false 14.54/8.23 [2019-03-28 22:49:20,591 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.54/8.23 [2019-03-28 22:49:20,591 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.54/8.23 [2019-03-28 22:49:20,592 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.54/8.23 [2019-03-28 22:49:20,592 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.54/8.23 [2019-03-28 22:49:20,592 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.54/8.23 [2019-03-28 22:49:20,596 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.54/8.23 [2019-03-28 22:49:20,596 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.54/8.23 [2019-03-28 22:49:20,608 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.54/8.23 [2019-03-28 22:49:20,609 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.54/8.23 Termination analysis: LINEAR_WITH_GUESSES 14.54/8.23 Number of strict supporting invariants: 0 14.54/8.23 Number of non-strict supporting invariants: 1 14.54/8.23 Consider only non-deceasing supporting invariants: true 14.54/8.23 Simplify termination arguments: true 14.54/8.23 Simplify supporting invariants: trueOverapproximate stem: false 14.54/8.23 [2019-03-28 22:49:20,610 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.54/8.23 [2019-03-28 22:49:20,610 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.54/8.23 [2019-03-28 22:49:20,610 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.54/8.23 [2019-03-28 22:49:20,610 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.54/8.23 [2019-03-28 22:49:20,613 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.54/8.23 [2019-03-28 22:49:20,614 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.54/8.23 [2019-03-28 22:49:20,619 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.54/8.23 [2019-03-28 22:49:20,619 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.54/8.23 Termination analysis: LINEAR_WITH_GUESSES 14.54/8.23 Number of strict supporting invariants: 0 14.54/8.23 Number of non-strict supporting invariants: 1 14.54/8.23 Consider only non-deceasing supporting invariants: true 14.54/8.23 Simplify termination arguments: true 14.54/8.23 Simplify supporting invariants: trueOverapproximate stem: false 14.54/8.23 [2019-03-28 22:49:20,620 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.54/8.23 [2019-03-28 22:49:20,620 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.54/8.23 [2019-03-28 22:49:20,620 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.54/8.23 [2019-03-28 22:49:20,621 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.54/8.23 [2019-03-28 22:49:20,623 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.54/8.23 [2019-03-28 22:49:20,623 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.54/8.23 [2019-03-28 22:49:20,631 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.54/8.23 [2019-03-28 22:49:20,632 INFO L497 LassoAnalysis]: Using template '2-nested'. 14.54/8.23 [2019-03-28 22:49:20,632 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.54/8.23 Termination analysis: LINEAR_WITH_GUESSES 14.54/8.23 Number of strict supporting invariants: 0 14.54/8.23 Number of non-strict supporting invariants: 1 14.54/8.23 Consider only non-deceasing supporting invariants: true 14.54/8.23 Simplify termination arguments: true 14.54/8.23 Simplify supporting invariants: trueOverapproximate stem: false 14.54/8.23 [2019-03-28 22:49:20,633 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.54/8.23 [2019-03-28 22:49:20,633 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.54/8.23 [2019-03-28 22:49:20,633 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.54/8.23 [2019-03-28 22:49:20,634 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.54/8.23 [2019-03-28 22:49:20,634 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 14.54/8.23 [2019-03-28 22:49:20,635 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. 14.54/8.23 [2019-03-28 22:49:20,635 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.54/8.23 [2019-03-28 22:49:20,651 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.54/8.23 [2019-03-28 22:49:20,663 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 14.54/8.23 [2019-03-28 22:49:20,664 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. 14.54/8.23 [2019-03-28 22:49:20,666 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.54/8.23 [2019-03-28 22:49:20,666 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.54/8.23 [2019-03-28 22:49:20,667 INFO L518 LassoAnalysis]: Proved termination. 14.54/8.23 [2019-03-28 22:49:20,667 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.54/8.23 Ranking function 2-nested ranking function: 14.54/8.23 f0 = -2*ULTIMATE.start_main_~c~0 + 3 14.54/8.23 f1 = 2*ULTIMATE.start_main_~c~0 + 2*ULTIMATE.start_main_~x~0 + 1 14.54/8.23 Supporting invariants [] 14.54/8.23 [2019-03-28 22:49:20,669 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.54/8.23 [2019-03-28 22:49:20,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.54/8.23 [2019-03-28 22:49:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.54/8.23 [2019-03-28 22:49:20,725 WARN L254 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 2 conjunts are in the unsatisfiable core 14.54/8.23 [2019-03-28 22:49:20,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.54/8.23 [2019-03-28 22:49:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.54/8.23 [2019-03-28 22:49:20,743 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 7 conjunts are in the unsatisfiable core 14.54/8.23 [2019-03-28 22:49:20,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.54/8.23 [2019-03-28 22:49:20,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.54/8.23 [2019-03-28 22:49:20,779 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 14.54/8.23 [2019-03-28 22:49:20,784 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 14.54/8.23 [2019-03-28 22:49:20,785 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 14.54/8.23 [2019-03-28 22:49:20,805 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 2 states.. Second operand 2 states. Result 3 states and 3 transitions. Complement of second has 2 states. 14.54/8.23 [2019-03-28 22:49:20,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 14.54/8.23 [2019-03-28 22:49:20,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 14.54/8.23 [2019-03-28 22:49:20,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. 14.54/8.23 [2019-03-28 22:49:20,810 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. 14.54/8.23 [2019-03-28 22:49:20,810 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.54/8.23 [2019-03-28 22:49:20,810 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. 14.54/8.23 [2019-03-28 22:49:20,811 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.54/8.23 [2019-03-28 22:49:20,811 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. 14.54/8.23 [2019-03-28 22:49:20,811 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.54/8.23 [2019-03-28 22:49:20,816 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 14.54/8.23 [2019-03-28 22:49:20,816 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.54/8.23 [2019-03-28 22:49:20,819 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 14.54/8.23 [2019-03-28 22:49:20,820 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 14.54/8.23 [2019-03-28 22:49:20,820 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 14.54/8.23 [2019-03-28 22:49:20,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 14.54/8.23 [2019-03-28 22:49:20,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.54/8.23 [2019-03-28 22:49:20,821 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.54/8.23 [2019-03-28 22:49:20,821 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.54/8.23 [2019-03-28 22:49:20,822 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.54/8.23 [2019-03-28 22:49:20,822 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 14.54/8.23 [2019-03-28 22:49:20,822 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 14.54/8.23 [2019-03-28 22:49:20,822 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.54/8.23 [2019-03-28 22:49:20,822 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 14.54/8.23 [2019-03-28 22:49:20,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:49:20 BasicIcfg 14.54/8.23 [2019-03-28 22:49:20,828 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 14.54/8.23 [2019-03-28 22:49:20,829 INFO L168 Benchmark]: Toolchain (without parser) took 3757.38 ms. Allocated memory was 649.6 MB in the beginning and 666.4 MB in the end (delta: 16.8 MB). Free memory was 558.4 MB in the beginning and 524.3 MB in the end (delta: 34.2 MB). Peak memory consumption was 50.9 MB. Max. memory is 50.3 GB. 14.54/8.23 [2019-03-28 22:49:20,830 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.54/8.23 [2019-03-28 22:49:20,831 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.83 ms. Allocated memory is still 649.6 MB. Free memory was 558.4 MB in the beginning and 548.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 14.54/8.23 [2019-03-28 22:49:20,832 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.08 ms. Allocated memory was 649.6 MB in the beginning and 666.4 MB in the end (delta: 16.8 MB). Free memory was 548.9 MB in the beginning and 632.7 MB in the end (delta: -83.8 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 14.54/8.23 [2019-03-28 22:49:20,832 INFO L168 Benchmark]: Boogie Preprocessor took 19.52 ms. Allocated memory is still 666.4 MB. Free memory was 632.7 MB in the beginning and 630.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 14.54/8.23 [2019-03-28 22:49:20,833 INFO L168 Benchmark]: RCFGBuilder took 205.05 ms. Allocated memory is still 666.4 MB. Free memory was 630.9 MB in the beginning and 618.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 14.54/8.23 [2019-03-28 22:49:20,834 INFO L168 Benchmark]: BlockEncodingV2 took 72.81 ms. Allocated memory is still 666.4 MB. Free memory was 618.0 MB in the beginning and 611.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 14.54/8.23 [2019-03-28 22:49:20,834 INFO L168 Benchmark]: TraceAbstraction took 154.65 ms. Allocated memory is still 666.4 MB. Free memory was 611.5 MB in the beginning and 602.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 14.54/8.23 [2019-03-28 22:49:20,835 INFO L168 Benchmark]: BuchiAutomizer took 2970.17 ms. Allocated memory is still 666.4 MB. Free memory was 602.1 MB in the beginning and 524.3 MB in the end (delta: 77.9 MB). Peak memory consumption was 77.9 MB. Max. memory is 50.3 GB. 14.54/8.23 [2019-03-28 22:49:20,839 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 14.54/8.23 --- Results --- 14.54/8.23 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 14.54/8.23 - StatisticsResult: Initial Icfg 14.54/8.23 7 locations, 9 edges 14.54/8.23 - StatisticsResult: Encoded RCFG 14.54/8.23 2 locations, 2 edges 14.54/8.23 * Results from de.uni_freiburg.informatik.ultimate.core: 14.54/8.23 - StatisticsResult: Toolchain Benchmarks 14.54/8.23 Benchmark results are: 14.54/8.23 * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.54/8.23 * CACSL2BoogieTranslator took 234.83 ms. Allocated memory is still 649.6 MB. Free memory was 558.4 MB in the beginning and 548.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 14.54/8.23 * Boogie Procedure Inliner took 95.08 ms. Allocated memory was 649.6 MB in the beginning and 666.4 MB in the end (delta: 16.8 MB). Free memory was 548.9 MB in the beginning and 632.7 MB in the end (delta: -83.8 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 14.54/8.23 * Boogie Preprocessor took 19.52 ms. Allocated memory is still 666.4 MB. Free memory was 632.7 MB in the beginning and 630.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 14.54/8.23 * RCFGBuilder took 205.05 ms. Allocated memory is still 666.4 MB. Free memory was 630.9 MB in the beginning and 618.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 14.54/8.23 * BlockEncodingV2 took 72.81 ms. Allocated memory is still 666.4 MB. Free memory was 618.0 MB in the beginning and 611.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 14.54/8.23 * TraceAbstraction took 154.65 ms. Allocated memory is still 666.4 MB. Free memory was 611.5 MB in the beginning and 602.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 14.54/8.23 * BuchiAutomizer took 2970.17 ms. Allocated memory is still 666.4 MB. Free memory was 602.1 MB in the beginning and 524.3 MB in the end (delta: 77.9 MB). Peak memory consumption was 77.9 MB. Max. memory is 50.3 GB. 14.54/8.23 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 14.54/8.23 - AllSpecificationsHoldResult: All specifications hold 14.54/8.23 We were not able to verify any specifiation because the program does not contain any specification. 14.54/8.23 - InvariantResult [Line: 19]: Loop Invariant 14.54/8.23 Derived loop invariant: 1 14.54/8.23 - StatisticsResult: Ultimate Automizer benchmark data 14.54/8.23 CFG has 1 procedures, 2 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 14.54/8.23 - StatisticsResult: Constructed decomposition of program 14.54/8.23 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has 2-nested ranking function (if -2 * c + 3 > 0 then 1 else 0), (if -2 * c + 3 > 0 then -2 * c + 3 else 2 * c + 2 * x + 1) and consists of 2 locations. 14.54/8.23 - StatisticsResult: Timing statistics 14.54/8.23 BüchiAutomizer plugin needed 2.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax163 hnf93 lsp58 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf93 smp100 dnf100 smp100 tf107 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.2s 14.54/8.23 - TerminationAnalysisResult: Termination proven 14.54/8.23 Buchi Automizer proved that your program is terminating 14.54/8.23 RESULT: Ultimate proved your program to be correct! 14.54/8.23 !SESSION 2019-03-28 22:49:13.854 ----------------------------------------------- 14.54/8.23 eclipse.buildId=unknown 14.54/8.23 java.version=1.8.0_181 14.54/8.23 java.vendor=Oracle Corporation 14.54/8.23 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 14.54/8.23 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 14.54/8.23 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 14.54/8.23 14.54/8.23 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:49:21.070 14.54/8.23 !MESSAGE The workspace will exit with unsaved changes in this session. 14.54/8.23 Received shutdown request... 14.54/8.23 Ultimate: 14.54/8.23 GTK+ Version Check 14.54/8.23 EOF