15.14/8.37 YES 15.14/8.37 15.14/8.37 Ultimate: Cannot open display: 15.14/8.37 This is Ultimate 0.1.24-8dc7c08-m 15.14/8.37 [2019-03-29 02:08:30,105 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.14/8.37 [2019-03-29 02:08:30,107 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.14/8.37 [2019-03-29 02:08:30,119 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.14/8.37 [2019-03-29 02:08:30,119 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.14/8.37 [2019-03-29 02:08:30,120 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.14/8.37 [2019-03-29 02:08:30,121 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.14/8.37 [2019-03-29 02:08:30,123 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.14/8.37 [2019-03-29 02:08:30,124 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.14/8.37 [2019-03-29 02:08:30,125 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.14/8.37 [2019-03-29 02:08:30,126 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.14/8.37 [2019-03-29 02:08:30,126 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.14/8.37 [2019-03-29 02:08:30,127 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.14/8.37 [2019-03-29 02:08:30,128 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.14/8.37 [2019-03-29 02:08:30,129 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.14/8.37 [2019-03-29 02:08:30,130 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.14/8.37 [2019-03-29 02:08:30,131 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.14/8.37 [2019-03-29 02:08:30,132 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.14/8.37 [2019-03-29 02:08:30,134 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.14/8.37 [2019-03-29 02:08:30,136 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.14/8.37 [2019-03-29 02:08:30,137 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.14/8.37 [2019-03-29 02:08:30,138 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.14/8.37 [2019-03-29 02:08:30,140 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.14/8.37 [2019-03-29 02:08:30,140 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.14/8.37 [2019-03-29 02:08:30,141 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.14/8.37 [2019-03-29 02:08:30,141 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.14/8.37 [2019-03-29 02:08:30,142 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.14/8.37 [2019-03-29 02:08:30,143 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.14/8.37 [2019-03-29 02:08:30,143 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.14/8.37 [2019-03-29 02:08:30,144 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.14/8.37 [2019-03-29 02:08:30,144 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.14/8.37 [2019-03-29 02:08:30,145 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.14/8.37 [2019-03-29 02:08:30,146 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.14/8.37 [2019-03-29 02:08:30,146 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.14/8.37 [2019-03-29 02:08:30,147 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.14/8.37 [2019-03-29 02:08:30,147 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.14/8.37 [2019-03-29 02:08:30,147 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.14/8.37 [2019-03-29 02:08:30,148 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.14/8.37 [2019-03-29 02:08:30,149 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.14/8.37 [2019-03-29 02:08:30,149 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 15.14/8.37 [2019-03-29 02:08:30,164 INFO L110 SettingsManager]: Loading preferences was successful 15.14/8.37 [2019-03-29 02:08:30,164 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.14/8.37 [2019-03-29 02:08:30,165 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.14/8.37 [2019-03-29 02:08:30,166 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.14/8.37 [2019-03-29 02:08:30,166 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.14/8.37 [2019-03-29 02:08:30,166 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.14/8.37 [2019-03-29 02:08:30,166 INFO L133 SettingsManager]: * Use SBE=true 15.14/8.37 [2019-03-29 02:08:30,166 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.14/8.37 [2019-03-29 02:08:30,167 INFO L133 SettingsManager]: * Use old map elimination=false 15.14/8.37 [2019-03-29 02:08:30,167 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.14/8.37 [2019-03-29 02:08:30,167 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.14/8.37 [2019-03-29 02:08:30,167 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.14/8.37 [2019-03-29 02:08:30,167 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.14/8.37 [2019-03-29 02:08:30,167 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.14/8.37 [2019-03-29 02:08:30,168 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.14/8.37 [2019-03-29 02:08:30,168 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.14/8.37 [2019-03-29 02:08:30,168 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.14/8.37 [2019-03-29 02:08:30,168 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.14/8.37 [2019-03-29 02:08:30,168 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.14/8.37 [2019-03-29 02:08:30,169 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.14/8.37 [2019-03-29 02:08:30,169 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.14/8.37 [2019-03-29 02:08:30,169 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.14/8.37 [2019-03-29 02:08:30,169 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.14/8.37 [2019-03-29 02:08:30,169 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.14/8.37 [2019-03-29 02:08:30,169 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.14/8.37 [2019-03-29 02:08:30,170 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.14/8.37 [2019-03-29 02:08:30,170 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.14/8.37 [2019-03-29 02:08:30,170 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.14/8.37 [2019-03-29 02:08:30,170 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.14/8.37 [2019-03-29 02:08:30,197 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.14/8.37 [2019-03-29 02:08:30,210 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.14/8.37 [2019-03-29 02:08:30,214 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.14/8.37 [2019-03-29 02:08:30,215 INFO L271 PluginConnector]: Initializing CDTParser... 15.14/8.37 [2019-03-29 02:08:30,215 INFO L276 PluginConnector]: CDTParser initialized 15.14/8.37 [2019-03-29 02:08:30,216 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 15.14/8.37 [2019-03-29 02:08:30,282 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/4cd982f2343f48b789ea70bbadfd88ee/FLAG73fda405c 15.14/8.37 [2019-03-29 02:08:30,633 INFO L307 CDTParser]: Found 1 translation units. 15.14/8.37 [2019-03-29 02:08:30,634 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 15.14/8.37 [2019-03-29 02:08:30,641 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/4cd982f2343f48b789ea70bbadfd88ee/FLAG73fda405c 15.14/8.37 [2019-03-29 02:08:31,055 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/4cd982f2343f48b789ea70bbadfd88ee 15.14/8.37 [2019-03-29 02:08:31,067 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.14/8.37 [2019-03-29 02:08:31,068 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.14/8.37 [2019-03-29 02:08:31,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.14/8.37 [2019-03-29 02:08:31,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.14/8.37 [2019-03-29 02:08:31,073 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.14/8.37 [2019-03-29 02:08:31,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:08:31" (1/1) ... 15.14/8.37 [2019-03-29 02:08:31,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@784aef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:08:31, skipping insertion in model container 15.14/8.37 [2019-03-29 02:08:31,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:08:31" (1/1) ... 15.14/8.37 [2019-03-29 02:08:31,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.14/8.37 [2019-03-29 02:08:31,103 INFO L176 MainTranslator]: Built tables and reachable declarations 15.14/8.37 [2019-03-29 02:08:31,260 INFO L206 PostProcessor]: Analyzing one entry point: main 15.14/8.37 [2019-03-29 02:08:31,264 INFO L191 MainTranslator]: Completed pre-run 15.14/8.37 [2019-03-29 02:08:31,280 INFO L206 PostProcessor]: Analyzing one entry point: main 15.14/8.37 [2019-03-29 02:08:31,294 INFO L195 MainTranslator]: Completed translation 15.14/8.37 [2019-03-29 02:08:31,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:08:31 WrapperNode 15.14/8.37 [2019-03-29 02:08:31,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.14/8.37 [2019-03-29 02:08:31,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.14/8.37 [2019-03-29 02:08:31,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.14/8.37 [2019-03-29 02:08:31,296 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.14/8.37 [2019-03-29 02:08:31,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:08:31" (1/1) ... 15.14/8.37 [2019-03-29 02:08:31,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:08:31" (1/1) ... 15.14/8.37 [2019-03-29 02:08:31,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.14/8.37 [2019-03-29 02:08:31,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.14/8.37 [2019-03-29 02:08:31,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.14/8.37 [2019-03-29 02:08:31,386 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.14/8.37 [2019-03-29 02:08:31,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:08:31" (1/1) ... 15.14/8.37 [2019-03-29 02:08:31,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:08:31" (1/1) ... 15.14/8.37 [2019-03-29 02:08:31,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:08:31" (1/1) ... 15.14/8.37 [2019-03-29 02:08:31,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:08:31" (1/1) ... 15.14/8.37 [2019-03-29 02:08:31,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:08:31" (1/1) ... 15.14/8.37 [2019-03-29 02:08:31,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:08:31" (1/1) ... 15.14/8.37 [2019-03-29 02:08:31,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:08:31" (1/1) ... 15.14/8.37 [2019-03-29 02:08:31,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.14/8.37 [2019-03-29 02:08:31,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.14/8.37 [2019-03-29 02:08:31,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.14/8.37 [2019-03-29 02:08:31,406 INFO L276 PluginConnector]: RCFGBuilder initialized 15.14/8.37 [2019-03-29 02:08:31,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:08:31" (1/1) ... 15.14/8.37 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.14/8.37 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.14/8.37 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.14/8.37 [2019-03-29 02:08:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.14/8.37 [2019-03-29 02:08:31,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.14/8.37 [2019-03-29 02:08:31,588 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.14/8.37 [2019-03-29 02:08:31,589 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 15.14/8.37 [2019-03-29 02:08:31,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:08:31 BoogieIcfgContainer 15.14/8.37 [2019-03-29 02:08:31,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.14/8.37 [2019-03-29 02:08:31,590 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.14/8.37 [2019-03-29 02:08:31,591 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.14/8.37 [2019-03-29 02:08:31,593 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.14/8.37 [2019-03-29 02:08:31,593 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:08:31" (1/1) ... 15.14/8.37 [2019-03-29 02:08:31,608 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 15.14/8.37 [2019-03-29 02:08:31,609 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.14/8.37 [2019-03-29 02:08:31,610 INFO L263 BlockEncoder]: Using Maximize final states 15.14/8.37 [2019-03-29 02:08:31,611 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.14/8.37 [2019-03-29 02:08:31,611 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.14/8.37 [2019-03-29 02:08:31,613 INFO L296 BlockEncoder]: Using Remove sink states 15.14/8.37 [2019-03-29 02:08:31,614 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.14/8.37 [2019-03-29 02:08:31,614 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.14/8.37 [2019-03-29 02:08:31,629 INFO L185 BlockEncoder]: Using Use SBE 15.14/8.37 [2019-03-29 02:08:31,636 INFO L200 BlockEncoder]: SBE split 0 edges 15.14/8.37 [2019-03-29 02:08:31,641 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 15.14/8.37 [2019-03-29 02:08:31,643 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.14/8.37 [2019-03-29 02:08:31,656 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 15.14/8.37 [2019-03-29 02:08:31,658 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 15.14/8.37 [2019-03-29 02:08:31,659 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.14/8.37 [2019-03-29 02:08:31,660 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.14/8.37 [2019-03-29 02:08:31,660 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.14/8.37 [2019-03-29 02:08:31,660 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.14/8.37 [2019-03-29 02:08:31,660 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 15.14/8.37 [2019-03-29 02:08:31,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:08:31 BasicIcfg 15.14/8.37 [2019-03-29 02:08:31,661 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.14/8.37 [2019-03-29 02:08:31,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.14/8.37 [2019-03-29 02:08:31,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.14/8.37 [2019-03-29 02:08:31,665 INFO L276 PluginConnector]: TraceAbstraction initialized 15.14/8.37 [2019-03-29 02:08:31,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 02:08:31" (1/4) ... 15.14/8.37 [2019-03-29 02:08:31,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8508c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:08:31, skipping insertion in model container 15.14/8.37 [2019-03-29 02:08:31,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:08:31" (2/4) ... 15.14/8.37 [2019-03-29 02:08:31,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8508c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:08:31, skipping insertion in model container 15.14/8.37 [2019-03-29 02:08:31,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:08:31" (3/4) ... 15.14/8.37 [2019-03-29 02:08:31,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8508c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:08:31, skipping insertion in model container 15.14/8.37 [2019-03-29 02:08:31,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:08:31" (4/4) ... 15.14/8.37 [2019-03-29 02:08:31,670 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.14/8.37 [2019-03-29 02:08:31,680 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.14/8.37 [2019-03-29 02:08:31,688 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.14/8.37 [2019-03-29 02:08:31,706 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.14/8.37 [2019-03-29 02:08:31,735 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.14/8.37 [2019-03-29 02:08:31,735 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.14/8.37 [2019-03-29 02:08:31,736 INFO L383 AbstractCegarLoop]: Hoare is true 15.14/8.37 [2019-03-29 02:08:31,736 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.14/8.37 [2019-03-29 02:08:31,736 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.14/8.37 [2019-03-29 02:08:31,736 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.14/8.37 [2019-03-29 02:08:31,736 INFO L387 AbstractCegarLoop]: Difference is false 15.14/8.37 [2019-03-29 02:08:31,736 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.14/8.37 [2019-03-29 02:08:31,737 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.14/8.37 [2019-03-29 02:08:31,750 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 15.14/8.37 [2019-03-29 02:08:31,756 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.14/8.37 [2019-03-29 02:08:31,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 15.14/8.37 [2019-03-29 02:08:31,809 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.14/8.37 [2019-03-29 02:08:31,810 INFO L451 ceAbstractionStarter]: At program point L26-2(lines 26 29) the Hoare annotation is: true 15.14/8.37 [2019-03-29 02:08:31,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:08:31 BasicIcfg 15.14/8.37 [2019-03-29 02:08:31,818 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.14/8.37 [2019-03-29 02:08:31,819 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.14/8.37 [2019-03-29 02:08:31,819 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.14/8.37 [2019-03-29 02:08:31,823 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.14/8.37 [2019-03-29 02:08:31,823 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.14/8.37 [2019-03-29 02:08:31,824 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 02:08:31" (1/5) ... 15.14/8.37 [2019-03-29 02:08:31,824 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1eaf0a65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:08:31, skipping insertion in model container 15.14/8.37 [2019-03-29 02:08:31,824 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.14/8.37 [2019-03-29 02:08:31,825 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:08:31" (2/5) ... 15.14/8.37 [2019-03-29 02:08:31,825 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1eaf0a65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:08:31, skipping insertion in model container 15.14/8.37 [2019-03-29 02:08:31,825 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.14/8.37 [2019-03-29 02:08:31,825 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:08:31" (3/5) ... 15.14/8.37 [2019-03-29 02:08:31,826 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1eaf0a65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:08:31, skipping insertion in model container 15.14/8.37 [2019-03-29 02:08:31,826 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.14/8.37 [2019-03-29 02:08:31,826 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:08:31" (4/5) ... 15.14/8.37 [2019-03-29 02:08:31,826 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1eaf0a65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:08:31, skipping insertion in model container 15.14/8.37 [2019-03-29 02:08:31,826 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.14/8.37 [2019-03-29 02:08:31,827 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:08:31" (5/5) ... 15.14/8.37 [2019-03-29 02:08:31,828 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.14/8.37 [2019-03-29 02:08:31,856 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.14/8.37 [2019-03-29 02:08:31,857 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.14/8.37 [2019-03-29 02:08:31,857 INFO L375 BuchiCegarLoop]: Hoare is true 15.14/8.37 [2019-03-29 02:08:31,857 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.14/8.37 [2019-03-29 02:08:31,857 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.14/8.37 [2019-03-29 02:08:31,857 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.14/8.37 [2019-03-29 02:08:31,857 INFO L379 BuchiCegarLoop]: Difference is false 15.14/8.37 [2019-03-29 02:08:31,858 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.14/8.37 [2019-03-29 02:08:31,858 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.14/8.37 [2019-03-29 02:08:31,861 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 15.14/8.37 [2019-03-29 02:08:31,879 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 15.14/8.37 [2019-03-29 02:08:31,879 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.14/8.37 [2019-03-29 02:08:31,880 INFO L119 BuchiIsEmpty]: Starting construction of run 15.14/8.37 [2019-03-29 02:08:31,885 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.14/8.37 [2019-03-29 02:08:31,885 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 15.14/8.37 [2019-03-29 02:08:31,885 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.14/8.37 [2019-03-29 02:08:31,886 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 15.14/8.37 [2019-03-29 02:08:31,886 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 15.14/8.37 [2019-03-29 02:08:31,886 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.14/8.37 [2019-03-29 02:08:31,886 INFO L119 BuchiIsEmpty]: Starting construction of run 15.14/8.37 [2019-03-29 02:08:31,887 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.14/8.37 [2019-03-29 02:08:31,887 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 15.14/8.37 [2019-03-29 02:08:31,892 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [18] ULTIMATE.startENTRY-->L26-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L26-2true 15.14/8.37 [2019-03-29 02:08:31,892 INFO L796 eck$LassoCheckResult]: Loop: 4#L26-2true [22] L26-2-->L26-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~y~0_8 (* (- 1) v_ULTIMATE.start_main_~x~0_8))) (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 1)) (< v_ULTIMATE.start_main_~y~0_8 v_ULTIMATE.start_main_~x~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L26-2true 15.14/8.37 [2019-03-29 02:08:31,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.14/8.37 [2019-03-29 02:08:31,899 INFO L82 PathProgramCache]: Analyzing trace with hash 49, now seen corresponding path program 1 times 15.14/8.37 [2019-03-29 02:08:31,901 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.14/8.37 [2019-03-29 02:08:31,902 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.14/8.37 [2019-03-29 02:08:31,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.14/8.37 [2019-03-29 02:08:31,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.14/8.37 [2019-03-29 02:08:31,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.14/8.37 [2019-03-29 02:08:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.14/8.37 [2019-03-29 02:08:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.14/8.37 [2019-03-29 02:08:31,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.14/8.37 [2019-03-29 02:08:31,975 INFO L82 PathProgramCache]: Analyzing trace with hash 53, now seen corresponding path program 1 times 15.14/8.37 [2019-03-29 02:08:31,976 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.14/8.37 [2019-03-29 02:08:31,976 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.14/8.37 [2019-03-29 02:08:31,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.14/8.37 [2019-03-29 02:08:31,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.14/8.37 [2019-03-29 02:08:31,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.14/8.37 [2019-03-29 02:08:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.14/8.37 [2019-03-29 02:08:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.14/8.37 [2019-03-29 02:08:31,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.14/8.37 [2019-03-29 02:08:31,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1541, now seen corresponding path program 1 times 15.14/8.37 [2019-03-29 02:08:31,991 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.14/8.37 [2019-03-29 02:08:31,991 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.14/8.37 [2019-03-29 02:08:31,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.14/8.37 [2019-03-29 02:08:31,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.14/8.37 [2019-03-29 02:08:31,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.14/8.37 [2019-03-29 02:08:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.14/8.37 [2019-03-29 02:08:32,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.14/8.37 [2019-03-29 02:08:32,051 INFO L216 LassoAnalysis]: Preferences: 15.14/8.37 [2019-03-29 02:08:32,053 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.14/8.37 [2019-03-29 02:08:32,053 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.14/8.37 [2019-03-29 02:08:32,053 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.14/8.37 [2019-03-29 02:08:32,053 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.14/8.37 [2019-03-29 02:08:32,053 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.14/8.37 [2019-03-29 02:08:32,053 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.14/8.37 [2019-03-29 02:08:32,054 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.14/8.37 [2019-03-29 02:08:32,054 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.14/8.37 [2019-03-29 02:08:32,054 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.14/8.37 [2019-03-29 02:08:32,054 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.14/8.37 [2019-03-29 02:08:32,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.14/8.37 [2019-03-29 02:08:32,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.14/8.37 [2019-03-29 02:08:32,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.14/8.37 [2019-03-29 02:08:32,181 INFO L300 LassoAnalysis]: Preprocessing complete. 15.14/8.37 [2019-03-29 02:08:32,182 INFO L412 LassoAnalysis]: Checking for nontermination... 15.14/8.37 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.14/8.37 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.14/8.37 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.14/8.37 [2019-03-29 02:08:32,189 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.14/8.37 [2019-03-29 02:08:32,189 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.14/8.37 [2019-03-29 02:08:32,222 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.14/8.37 [2019-03-29 02:08:32,222 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.14/8.37 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.14/8.37 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.14/8.37 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.14/8.37 [2019-03-29 02:08:32,228 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.14/8.37 [2019-03-29 02:08:32,228 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.14/8.37 [2019-03-29 02:08:32,256 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.14/8.37 [2019-03-29 02:08:32,256 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.14/8.37 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.14/8.37 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.14/8.37 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.14/8.37 [2019-03-29 02:08:32,261 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.14/8.37 [2019-03-29 02:08:32,262 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.14/8.37 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.14/8.37 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.14/8.37 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.14/8.37 [2019-03-29 02:08:32,294 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.14/8.37 [2019-03-29 02:08:32,294 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.14/8.37 [2019-03-29 02:08:34,549 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.14/8.37 [2019-03-29 02:08:34,552 INFO L216 LassoAnalysis]: Preferences: 15.14/8.37 [2019-03-29 02:08:34,552 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.14/8.37 [2019-03-29 02:08:34,552 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.14/8.37 [2019-03-29 02:08:34,553 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.14/8.37 [2019-03-29 02:08:34,553 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.14/8.37 [2019-03-29 02:08:34,553 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.14/8.37 [2019-03-29 02:08:34,553 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.14/8.37 [2019-03-29 02:08:34,553 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.14/8.37 [2019-03-29 02:08:34,553 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.14/8.37 [2019-03-29 02:08:34,553 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.14/8.37 [2019-03-29 02:08:34,554 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.14/8.37 [2019-03-29 02:08:34,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.14/8.37 [2019-03-29 02:08:34,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.14/8.37 [2019-03-29 02:08:34,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.14/8.37 [2019-03-29 02:08:34,665 INFO L300 LassoAnalysis]: Preprocessing complete. 15.14/8.37 [2019-03-29 02:08:34,670 INFO L497 LassoAnalysis]: Using template 'affine'. 15.14/8.37 [2019-03-29 02:08:34,672 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.14/8.37 Termination analysis: LINEAR_WITH_GUESSES 15.14/8.37 Number of strict supporting invariants: 0 15.14/8.37 Number of non-strict supporting invariants: 1 15.14/8.37 Consider only non-deceasing supporting invariants: true 15.14/8.37 Simplify termination arguments: true 15.14/8.37 Simplify supporting invariants: trueOverapproximate stem: false 15.14/8.37 [2019-03-29 02:08:34,674 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.14/8.37 [2019-03-29 02:08:34,674 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.14/8.37 [2019-03-29 02:08:34,675 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.14/8.37 [2019-03-29 02:08:34,675 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.14/8.37 [2019-03-29 02:08:34,680 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.14/8.37 [2019-03-29 02:08:34,680 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.14/8.37 [2019-03-29 02:08:34,689 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.14/8.37 [2019-03-29 02:08:34,690 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.14/8.37 Termination analysis: LINEAR_WITH_GUESSES 15.14/8.37 Number of strict supporting invariants: 0 15.14/8.37 Number of non-strict supporting invariants: 1 15.14/8.37 Consider only non-deceasing supporting invariants: true 15.14/8.37 Simplify termination arguments: true 15.14/8.37 Simplify supporting invariants: trueOverapproximate stem: false 15.14/8.37 [2019-03-29 02:08:34,690 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.14/8.37 [2019-03-29 02:08:34,691 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.14/8.37 [2019-03-29 02:08:34,691 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.14/8.37 [2019-03-29 02:08:34,691 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.14/8.37 [2019-03-29 02:08:34,692 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.14/8.37 [2019-03-29 02:08:34,693 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.14/8.37 [2019-03-29 02:08:34,693 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.14/8.37 [2019-03-29 02:08:34,705 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.14/8.37 [2019-03-29 02:08:34,706 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.14/8.37 Termination analysis: LINEAR_WITH_GUESSES 15.14/8.37 Number of strict supporting invariants: 0 15.14/8.37 Number of non-strict supporting invariants: 1 15.14/8.37 Consider only non-deceasing supporting invariants: true 15.14/8.37 Simplify termination arguments: true 15.14/8.37 Simplify supporting invariants: trueOverapproximate stem: false 15.14/8.37 [2019-03-29 02:08:34,706 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.14/8.37 [2019-03-29 02:08:34,707 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.14/8.37 [2019-03-29 02:08:34,707 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.14/8.37 [2019-03-29 02:08:34,707 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.14/8.37 [2019-03-29 02:08:34,710 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.14/8.37 [2019-03-29 02:08:34,710 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.14/8.37 [2019-03-29 02:08:34,719 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.14/8.37 [2019-03-29 02:08:34,719 INFO L497 LassoAnalysis]: Using template '2-nested'. 15.14/8.37 [2019-03-29 02:08:34,719 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.14/8.37 Termination analysis: LINEAR_WITH_GUESSES 15.14/8.37 Number of strict supporting invariants: 0 15.14/8.37 Number of non-strict supporting invariants: 1 15.14/8.37 Consider only non-deceasing supporting invariants: true 15.14/8.37 Simplify termination arguments: true 15.14/8.37 Simplify supporting invariants: trueOverapproximate stem: false 15.14/8.37 [2019-03-29 02:08:34,720 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.14/8.37 [2019-03-29 02:08:34,721 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.14/8.37 [2019-03-29 02:08:34,721 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.14/8.37 [2019-03-29 02:08:34,721 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 15.14/8.37 [2019-03-29 02:08:34,724 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. 15.14/8.37 [2019-03-29 02:08:34,724 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. 15.14/8.37 [2019-03-29 02:08:34,729 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.14/8.37 [2019-03-29 02:08:34,730 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.14/8.37 Termination analysis: LINEAR_WITH_GUESSES 15.14/8.37 Number of strict supporting invariants: 0 15.14/8.37 Number of non-strict supporting invariants: 1 15.14/8.37 Consider only non-deceasing supporting invariants: true 15.14/8.37 Simplify termination arguments: true 15.14/8.37 Simplify supporting invariants: trueOverapproximate stem: false 15.14/8.37 [2019-03-29 02:08:34,731 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.14/8.37 [2019-03-29 02:08:34,731 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.14/8.37 [2019-03-29 02:08:34,731 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.14/8.37 [2019-03-29 02:08:34,731 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.14/8.37 [2019-03-29 02:08:34,731 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 15.14/8.37 [2019-03-29 02:08:34,733 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. 15.14/8.37 [2019-03-29 02:08:34,733 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.14/8.37 [2019-03-29 02:08:34,747 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.14/8.37 [2019-03-29 02:08:34,769 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. 15.14/8.37 [2019-03-29 02:08:34,769 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. 15.14/8.37 [2019-03-29 02:08:34,772 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.14/8.37 [2019-03-29 02:08:34,772 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.14/8.37 [2019-03-29 02:08:34,772 INFO L518 LassoAnalysis]: Proved termination. 15.14/8.37 [2019-03-29 02:08:34,773 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.14/8.37 Ranking function 2-nested ranking function: 15.14/8.37 f0 = -1*ULTIMATE.start_main_~y~0 15.14/8.37 f1 = 1*ULTIMATE.start_main_~x~0 - 1*ULTIMATE.start_main_~y~0 15.14/8.37 Supporting invariants [] 15.14/8.37 [2019-03-29 02:08:34,774 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.14/8.37 [2019-03-29 02:08:34,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.14/8.37 [2019-03-29 02:08:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.14/8.37 [2019-03-29 02:08:34,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 15.14/8.37 [2019-03-29 02:08:34,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.14/8.37 [2019-03-29 02:08:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.14/8.37 [2019-03-29 02:08:34,831 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjunts are in the unsatisfiable core 15.14/8.37 [2019-03-29 02:08:34,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.14/8.37 [2019-03-29 02:08:34,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.14/8.37 [2019-03-29 02:08:34,865 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 15.14/8.37 [2019-03-29 02:08:34,870 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 15.14/8.37 [2019-03-29 02:08:34,871 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 15.14/8.37 [2019-03-29 02:08:34,891 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. 15.14/8.37 [2019-03-29 02:08:34,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 15.14/8.37 [2019-03-29 02:08:34,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 15.14/8.37 [2019-03-29 02:08:34,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. 15.14/8.37 [2019-03-29 02:08:34,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. 15.14/8.37 [2019-03-29 02:08:34,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.14/8.37 [2019-03-29 02:08:34,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. 15.14/8.37 [2019-03-29 02:08:34,897 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.14/8.37 [2019-03-29 02:08:34,897 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. 15.14/8.37 [2019-03-29 02:08:34,897 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.14/8.37 [2019-03-29 02:08:34,902 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 15.14/8.37 [2019-03-29 02:08:34,902 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.14/8.37 [2019-03-29 02:08:34,906 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 15.14/8.37 [2019-03-29 02:08:34,907 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 15.14/8.37 [2019-03-29 02:08:34,908 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 15.14/8.37 [2019-03-29 02:08:34,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 15.14/8.37 [2019-03-29 02:08:34,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.14/8.37 [2019-03-29 02:08:34,908 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.14/8.37 [2019-03-29 02:08:34,909 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.14/8.37 [2019-03-29 02:08:34,909 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.14/8.37 [2019-03-29 02:08:34,909 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.14/8.37 [2019-03-29 02:08:34,909 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 15.14/8.37 [2019-03-29 02:08:34,909 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.14/8.37 [2019-03-29 02:08:34,909 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 15.14/8.37 [2019-03-29 02:08:34,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:08:34 BasicIcfg 15.14/8.37 [2019-03-29 02:08:34,915 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.14/8.37 [2019-03-29 02:08:34,916 INFO L168 Benchmark]: Toolchain (without parser) took 3848.41 ms. Allocated memory was 649.6 MB in the beginning and 691.0 MB in the end (delta: 41.4 MB). Free memory was 558.5 MB in the beginning and 548.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 51.2 MB. Max. memory is 50.3 GB. 15.14/8.37 [2019-03-29 02:08:34,918 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.14/8.37 [2019-03-29 02:08:34,918 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.77 ms. Allocated memory is still 649.6 MB. Free memory was 558.5 MB in the beginning and 549.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 15.14/8.37 [2019-03-29 02:08:34,919 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.86 ms. Allocated memory was 649.6 MB in the beginning and 691.0 MB in the end (delta: 41.4 MB). Free memory was 549.1 MB in the beginning and 658.7 MB in the end (delta: -109.6 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 15.14/8.37 [2019-03-29 02:08:34,920 INFO L168 Benchmark]: Boogie Preprocessor took 19.80 ms. Allocated memory is still 691.0 MB. Free memory was 657.3 MB in the beginning and 655.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 15.14/8.37 [2019-03-29 02:08:34,920 INFO L168 Benchmark]: RCFGBuilder took 184.11 ms. Allocated memory is still 691.0 MB. Free memory was 655.6 MB in the beginning and 642.7 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 15.14/8.37 [2019-03-29 02:08:34,921 INFO L168 Benchmark]: BlockEncodingV2 took 70.81 ms. Allocated memory is still 691.0 MB. Free memory was 642.7 MB in the beginning and 637.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.14/8.37 [2019-03-29 02:08:34,922 INFO L168 Benchmark]: TraceAbstraction took 156.46 ms. Allocated memory is still 691.0 MB. Free memory was 637.3 MB in the beginning and 628.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 50.3 GB. 15.14/8.37 [2019-03-29 02:08:34,922 INFO L168 Benchmark]: BuchiAutomizer took 3096.18 ms. Allocated memory is still 691.0 MB. Free memory was 626.8 MB in the beginning and 548.7 MB in the end (delta: 78.1 MB). Peak memory consumption was 78.1 MB. Max. memory is 50.3 GB. 15.14/8.37 [2019-03-29 02:08:34,926 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.14/8.37 --- Results --- 15.14/8.37 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.14/8.37 - StatisticsResult: Initial Icfg 15.14/8.37 6 locations, 7 edges 15.14/8.37 - StatisticsResult: Encoded RCFG 15.14/8.37 2 locations, 2 edges 15.14/8.37 * Results from de.uni_freiburg.informatik.ultimate.core: 15.14/8.37 - StatisticsResult: Toolchain Benchmarks 15.14/8.37 Benchmark results are: 15.14/8.37 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.14/8.37 * CACSL2BoogieTranslator took 225.77 ms. Allocated memory is still 649.6 MB. Free memory was 558.5 MB in the beginning and 549.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 15.14/8.37 * Boogie Procedure Inliner took 89.86 ms. Allocated memory was 649.6 MB in the beginning and 691.0 MB in the end (delta: 41.4 MB). Free memory was 549.1 MB in the beginning and 658.7 MB in the end (delta: -109.6 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 15.14/8.37 * Boogie Preprocessor took 19.80 ms. Allocated memory is still 691.0 MB. Free memory was 657.3 MB in the beginning and 655.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 15.14/8.37 * RCFGBuilder took 184.11 ms. Allocated memory is still 691.0 MB. Free memory was 655.6 MB in the beginning and 642.7 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 15.14/8.37 * BlockEncodingV2 took 70.81 ms. Allocated memory is still 691.0 MB. Free memory was 642.7 MB in the beginning and 637.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.14/8.37 * TraceAbstraction took 156.46 ms. Allocated memory is still 691.0 MB. Free memory was 637.3 MB in the beginning and 628.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 50.3 GB. 15.14/8.37 * BuchiAutomizer took 3096.18 ms. Allocated memory is still 691.0 MB. Free memory was 626.8 MB in the beginning and 548.7 MB in the end (delta: 78.1 MB). Peak memory consumption was 78.1 MB. Max. memory is 50.3 GB. 15.14/8.37 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.14/8.37 - AllSpecificationsHoldResult: All specifications hold 15.14/8.37 We were not able to verify any specifiation because the program does not contain any specification. 15.14/8.37 - InvariantResult [Line: 26]: Loop Invariant 15.14/8.37 Derived loop invariant: 1 15.14/8.37 - StatisticsResult: Ultimate Automizer benchmark data 15.14/8.37 CFG has 1 procedures, 2 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 15.14/8.37 - StatisticsResult: Constructed decomposition of program 15.14/8.37 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has 2-nested ranking function (if -1 * y > 0 then 1 else 0), (if -1 * y > 0 then -1 * y else x + -1 * y) and consists of 2 locations. 15.14/8.37 - StatisticsResult: Timing statistics 15.14/8.37 BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. 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: inital17 mio100 ax170 hnf93 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq179 hnf92 smp100 dnf100 smp100 tf108 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.3s 15.14/8.37 - TerminationAnalysisResult: Termination proven 15.14/8.37 Buchi Automizer proved that your program is terminating 15.14/8.37 RESULT: Ultimate proved your program to be correct! 15.14/8.37 !SESSION 2019-03-29 02:08:27.725 ----------------------------------------------- 15.14/8.37 eclipse.buildId=unknown 15.14/8.37 java.version=1.8.0_181 15.14/8.37 java.vendor=Oracle Corporation 15.14/8.37 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.14/8.37 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.14/8.37 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.14/8.37 15.14/8.37 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 02:08:35.161 15.14/8.37 !MESSAGE The workspace will exit with unsaved changes in this session. 15.14/8.37 Received shutdown request... 15.14/8.37 Ultimate: 15.14/8.37 GTK+ Version Check 15.14/8.37 EOF