15.17/8.20 YES 15.17/8.20 15.17/8.20 Ultimate: Cannot open display: 15.17/8.20 This is Ultimate 0.1.24-8dc7c08-m 15.17/8.20 [2019-03-29 02:11:45,135 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.17/8.20 [2019-03-29 02:11:45,137 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.17/8.20 [2019-03-29 02:11:45,150 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.17/8.20 [2019-03-29 02:11:45,150 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.17/8.20 [2019-03-29 02:11:45,151 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.17/8.20 [2019-03-29 02:11:45,152 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.17/8.20 [2019-03-29 02:11:45,154 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.17/8.20 [2019-03-29 02:11:45,155 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.17/8.20 [2019-03-29 02:11:45,156 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.17/8.20 [2019-03-29 02:11:45,157 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.17/8.20 [2019-03-29 02:11:45,157 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.17/8.20 [2019-03-29 02:11:45,158 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.17/8.20 [2019-03-29 02:11:45,159 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.17/8.20 [2019-03-29 02:11:45,160 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.17/8.20 [2019-03-29 02:11:45,161 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.17/8.20 [2019-03-29 02:11:45,162 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.17/8.20 [2019-03-29 02:11:45,164 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.17/8.20 [2019-03-29 02:11:45,166 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.17/8.20 [2019-03-29 02:11:45,168 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.17/8.20 [2019-03-29 02:11:45,169 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.17/8.20 [2019-03-29 02:11:45,170 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.17/8.20 [2019-03-29 02:11:45,172 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.17/8.20 [2019-03-29 02:11:45,172 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.17/8.20 [2019-03-29 02:11:45,173 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.17/8.20 [2019-03-29 02:11:45,173 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.17/8.20 [2019-03-29 02:11:45,174 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.17/8.20 [2019-03-29 02:11:45,175 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.17/8.20 [2019-03-29 02:11:45,175 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.17/8.20 [2019-03-29 02:11:45,175 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.17/8.20 [2019-03-29 02:11:45,176 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.17/8.20 [2019-03-29 02:11:45,177 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.17/8.20 [2019-03-29 02:11:45,178 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.17/8.20 [2019-03-29 02:11:45,178 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.17/8.20 [2019-03-29 02:11:45,179 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.17/8.20 [2019-03-29 02:11:45,179 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.17/8.20 [2019-03-29 02:11:45,179 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.17/8.20 [2019-03-29 02:11:45,180 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.17/8.20 [2019-03-29 02:11:45,181 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.17/8.20 [2019-03-29 02:11:45,181 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 15.17/8.20 [2019-03-29 02:11:45,196 INFO L110 SettingsManager]: Loading preferences was successful 15.17/8.20 [2019-03-29 02:11:45,196 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.17/8.20 [2019-03-29 02:11:45,197 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.17/8.20 [2019-03-29 02:11:45,197 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.17/8.20 [2019-03-29 02:11:45,198 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.17/8.20 [2019-03-29 02:11:45,198 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.17/8.20 [2019-03-29 02:11:45,198 INFO L133 SettingsManager]: * Use SBE=true 15.17/8.20 [2019-03-29 02:11:45,198 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.17/8.20 [2019-03-29 02:11:45,198 INFO L133 SettingsManager]: * Use old map elimination=false 15.17/8.20 [2019-03-29 02:11:45,199 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.17/8.20 [2019-03-29 02:11:45,199 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.17/8.20 [2019-03-29 02:11:45,199 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.17/8.20 [2019-03-29 02:11:45,199 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.17/8.20 [2019-03-29 02:11:45,199 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.17/8.20 [2019-03-29 02:11:45,200 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.17/8.20 [2019-03-29 02:11:45,200 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.17/8.20 [2019-03-29 02:11:45,200 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.17/8.20 [2019-03-29 02:11:45,200 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.17/8.20 [2019-03-29 02:11:45,200 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.17/8.20 [2019-03-29 02:11:45,201 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.17/8.20 [2019-03-29 02:11:45,201 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.17/8.20 [2019-03-29 02:11:45,201 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.17/8.20 [2019-03-29 02:11:45,201 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.17/8.20 [2019-03-29 02:11:45,201 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.17/8.20 [2019-03-29 02:11:45,202 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.17/8.20 [2019-03-29 02:11:45,202 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.17/8.20 [2019-03-29 02:11:45,202 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.17/8.20 [2019-03-29 02:11:45,202 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.17/8.20 [2019-03-29 02:11:45,202 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.17/8.20 [2019-03-29 02:11:45,229 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.17/8.20 [2019-03-29 02:11:45,242 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.17/8.20 [2019-03-29 02:11:45,245 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.17/8.20 [2019-03-29 02:11:45,247 INFO L271 PluginConnector]: Initializing CDTParser... 15.17/8.20 [2019-03-29 02:11:45,247 INFO L276 PluginConnector]: CDTParser initialized 15.17/8.20 [2019-03-29 02:11:45,248 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 15.17/8.20 [2019-03-29 02:11:45,361 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/7458020d560541c28e751631225ab91a/FLAGafcd36022 15.17/8.20 [2019-03-29 02:11:45,705 INFO L307 CDTParser]: Found 1 translation units. 15.17/8.20 [2019-03-29 02:11:45,706 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 15.17/8.20 [2019-03-29 02:11:45,713 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/7458020d560541c28e751631225ab91a/FLAGafcd36022 15.17/8.20 [2019-03-29 02:11:46,167 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/7458020d560541c28e751631225ab91a 15.17/8.20 [2019-03-29 02:11:46,178 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.17/8.20 [2019-03-29 02:11:46,180 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.17/8.20 [2019-03-29 02:11:46,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.17/8.20 [2019-03-29 02:11:46,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.17/8.20 [2019-03-29 02:11:46,185 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.17/8.20 [2019-03-29 02:11:46,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:11:46" (1/1) ... 15.17/8.20 [2019-03-29 02:11:46,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b8af334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:11:46, skipping insertion in model container 15.17/8.20 [2019-03-29 02:11:46,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:11:46" (1/1) ... 15.17/8.20 [2019-03-29 02:11:46,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.17/8.20 [2019-03-29 02:11:46,214 INFO L176 MainTranslator]: Built tables and reachable declarations 15.17/8.20 [2019-03-29 02:11:46,369 INFO L206 PostProcessor]: Analyzing one entry point: main 15.17/8.20 [2019-03-29 02:11:46,373 INFO L191 MainTranslator]: Completed pre-run 15.17/8.20 [2019-03-29 02:11:46,389 INFO L206 PostProcessor]: Analyzing one entry point: main 15.17/8.20 [2019-03-29 02:11:46,404 INFO L195 MainTranslator]: Completed translation 15.17/8.20 [2019-03-29 02:11:46,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:11:46 WrapperNode 15.17/8.20 [2019-03-29 02:11:46,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.17/8.20 [2019-03-29 02:11:46,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.17/8.20 [2019-03-29 02:11:46,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.17/8.20 [2019-03-29 02:11:46,406 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.17/8.20 [2019-03-29 02:11:46,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:11:46" (1/1) ... 15.17/8.20 [2019-03-29 02:11:46,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:11:46" (1/1) ... 15.17/8.20 [2019-03-29 02:11:46,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.17/8.20 [2019-03-29 02:11:46,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.17/8.20 [2019-03-29 02:11:46,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.17/8.20 [2019-03-29 02:11:46,497 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.17/8.20 [2019-03-29 02:11:46,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:11:46" (1/1) ... 15.17/8.20 [2019-03-29 02:11:46,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:11:46" (1/1) ... 15.17/8.20 [2019-03-29 02:11:46,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:11:46" (1/1) ... 15.17/8.20 [2019-03-29 02:11:46,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:11:46" (1/1) ... 15.17/8.20 [2019-03-29 02:11:46,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:11:46" (1/1) ... 15.17/8.20 [2019-03-29 02:11:46,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:11:46" (1/1) ... 15.17/8.20 [2019-03-29 02:11:46,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:11:46" (1/1) ... 15.17/8.20 [2019-03-29 02:11:46,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.17/8.20 [2019-03-29 02:11:46,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.17/8.20 [2019-03-29 02:11:46,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.17/8.20 [2019-03-29 02:11:46,518 INFO L276 PluginConnector]: RCFGBuilder initialized 15.17/8.20 [2019-03-29 02:11:46,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:11:46" (1/1) ... 15.17/8.20 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.17/8.20 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.17/8.20 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.17/8.20 [2019-03-29 02:11:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.17/8.20 [2019-03-29 02:11:46,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.17/8.20 [2019-03-29 02:11:46,714 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.17/8.20 [2019-03-29 02:11:46,714 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 15.17/8.20 [2019-03-29 02:11:46,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:11:46 BoogieIcfgContainer 15.17/8.20 [2019-03-29 02:11:46,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.17/8.20 [2019-03-29 02:11:46,716 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.17/8.20 [2019-03-29 02:11:46,717 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.17/8.20 [2019-03-29 02:11:46,719 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.17/8.20 [2019-03-29 02:11:46,720 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:11:46" (1/1) ... 15.17/8.20 [2019-03-29 02:11:46,735 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 15.17/8.20 [2019-03-29 02:11:46,737 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.17/8.20 [2019-03-29 02:11:46,737 INFO L263 BlockEncoder]: Using Maximize final states 15.17/8.20 [2019-03-29 02:11:46,738 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.17/8.20 [2019-03-29 02:11:46,738 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.17/8.20 [2019-03-29 02:11:46,740 INFO L296 BlockEncoder]: Using Remove sink states 15.17/8.20 [2019-03-29 02:11:46,741 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.17/8.20 [2019-03-29 02:11:46,741 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.17/8.20 [2019-03-29 02:11:46,756 INFO L185 BlockEncoder]: Using Use SBE 15.17/8.20 [2019-03-29 02:11:46,764 INFO L200 BlockEncoder]: SBE split 0 edges 15.17/8.20 [2019-03-29 02:11:46,769 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 15.17/8.20 [2019-03-29 02:11:46,771 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.17/8.20 [2019-03-29 02:11:46,786 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 15.17/8.20 [2019-03-29 02:11:46,789 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 15.17/8.20 [2019-03-29 02:11:46,790 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.17/8.20 [2019-03-29 02:11:46,790 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.17/8.20 [2019-03-29 02:11:46,790 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.17/8.20 [2019-03-29 02:11:46,791 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.17/8.20 [2019-03-29 02:11:46,791 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 15.17/8.20 [2019-03-29 02:11:46,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:11:46 BasicIcfg 15.17/8.20 [2019-03-29 02:11:46,792 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.17/8.20 [2019-03-29 02:11:46,793 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.17/8.20 [2019-03-29 02:11:46,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.17/8.20 [2019-03-29 02:11:46,796 INFO L276 PluginConnector]: TraceAbstraction initialized 15.17/8.20 [2019-03-29 02:11:46,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 02:11:46" (1/4) ... 15.17/8.20 [2019-03-29 02:11:46,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56216e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:11:46, skipping insertion in model container 15.17/8.20 [2019-03-29 02:11:46,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:11:46" (2/4) ... 15.17/8.20 [2019-03-29 02:11:46,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56216e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:11:46, skipping insertion in model container 15.17/8.20 [2019-03-29 02:11:46,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:11:46" (3/4) ... 15.17/8.20 [2019-03-29 02:11:46,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56216e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:11:46, skipping insertion in model container 15.17/8.20 [2019-03-29 02:11:46,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:11:46" (4/4) ... 15.17/8.20 [2019-03-29 02:11:46,801 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.17/8.20 [2019-03-29 02:11:46,811 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.17/8.20 [2019-03-29 02:11:46,819 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.17/8.20 [2019-03-29 02:11:46,839 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.17/8.20 [2019-03-29 02:11:46,870 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.17/8.20 [2019-03-29 02:11:46,871 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.17/8.20 [2019-03-29 02:11:46,871 INFO L383 AbstractCegarLoop]: Hoare is true 15.17/8.20 [2019-03-29 02:11:46,871 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.17/8.20 [2019-03-29 02:11:46,871 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.17/8.20 [2019-03-29 02:11:46,871 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.17/8.20 [2019-03-29 02:11:46,871 INFO L387 AbstractCegarLoop]: Difference is false 15.17/8.20 [2019-03-29 02:11:46,872 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.17/8.20 [2019-03-29 02:11:46,872 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.17/8.20 [2019-03-29 02:11:46,887 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 15.17/8.20 [2019-03-29 02:11:46,893 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.17/8.20 [2019-03-29 02:11:46,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 15.17/8.20 [2019-03-29 02:11:46,948 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.17/8.20 [2019-03-29 02:11:46,949 INFO L451 ceAbstractionStarter]: At program point L26-2(lines 26 29) the Hoare annotation is: true 15.17/8.20 [2019-03-29 02:11:46,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:11:46 BasicIcfg 15.17/8.20 [2019-03-29 02:11:46,957 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.17/8.20 [2019-03-29 02:11:46,958 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.17/8.20 [2019-03-29 02:11:46,958 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.17/8.20 [2019-03-29 02:11:46,961 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.17/8.20 [2019-03-29 02:11:46,962 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.17/8.20 [2019-03-29 02:11:46,962 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 02:11:46" (1/5) ... 15.17/8.20 [2019-03-29 02:11:46,963 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1995679b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:11:46, skipping insertion in model container 15.17/8.20 [2019-03-29 02:11:46,963 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.17/8.20 [2019-03-29 02:11:46,963 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:11:46" (2/5) ... 15.17/8.20 [2019-03-29 02:11:46,964 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1995679b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:11:46, skipping insertion in model container 15.17/8.20 [2019-03-29 02:11:46,964 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.17/8.20 [2019-03-29 02:11:46,964 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:11:46" (3/5) ... 15.17/8.20 [2019-03-29 02:11:46,964 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1995679b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:11:46, skipping insertion in model container 15.17/8.20 [2019-03-29 02:11:46,964 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.17/8.20 [2019-03-29 02:11:46,965 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:11:46" (4/5) ... 15.17/8.20 [2019-03-29 02:11:46,965 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1995679b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:11:46, skipping insertion in model container 15.17/8.20 [2019-03-29 02:11:46,965 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.17/8.20 [2019-03-29 02:11:46,965 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:11:46" (5/5) ... 15.17/8.20 [2019-03-29 02:11:46,967 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.17/8.20 [2019-03-29 02:11:46,993 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.17/8.20 [2019-03-29 02:11:46,994 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.17/8.20 [2019-03-29 02:11:46,994 INFO L375 BuchiCegarLoop]: Hoare is true 15.17/8.20 [2019-03-29 02:11:46,994 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.17/8.20 [2019-03-29 02:11:46,994 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.17/8.20 [2019-03-29 02:11:46,994 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.17/8.20 [2019-03-29 02:11:46,994 INFO L379 BuchiCegarLoop]: Difference is false 15.17/8.20 [2019-03-29 02:11:46,994 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.17/8.20 [2019-03-29 02:11:46,995 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.17/8.20 [2019-03-29 02:11:46,998 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 15.17/8.20 [2019-03-29 02:11:47,015 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 15.17/8.20 [2019-03-29 02:11:47,015 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.17/8.20 [2019-03-29 02:11:47,015 INFO L119 BuchiIsEmpty]: Starting construction of run 15.17/8.20 [2019-03-29 02:11:47,021 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.17/8.20 [2019-03-29 02:11:47,021 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 15.17/8.20 [2019-03-29 02:11:47,021 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.17/8.20 [2019-03-29 02:11:47,021 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 15.17/8.20 [2019-03-29 02:11:47,021 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 15.17/8.20 [2019-03-29 02:11:47,022 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.17/8.20 [2019-03-29 02:11:47,022 INFO L119 BuchiIsEmpty]: Starting construction of run 15.17/8.20 [2019-03-29 02:11:47,022 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.17/8.20 [2019-03-29 02:11:47,022 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 15.17/8.20 [2019-03-29 02:11:47,027 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [18] ULTIMATE.startENTRY-->L26-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L26-2true 15.17/8.20 [2019-03-29 02:11:47,028 INFO L796 eck$LassoCheckResult]: Loop: 4#L26-2true [22] L26-2-->L26-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_7 (+ (* (- 2) v_ULTIMATE.start_main_~y~0_7) v_ULTIMATE.start_main_~x~0_8)) (< 0 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~y~0_6 (+ v_ULTIMATE.start_main_~y~0_7 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, 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 15.17/8.20 [2019-03-29 02:11:47,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.17/8.20 [2019-03-29 02:11:47,034 INFO L82 PathProgramCache]: Analyzing trace with hash 49, now seen corresponding path program 1 times 15.17/8.20 [2019-03-29 02:11:47,036 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.17/8.20 [2019-03-29 02:11:47,037 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.17/8.20 [2019-03-29 02:11:47,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.17/8.20 [2019-03-29 02:11:47,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.17/8.20 [2019-03-29 02:11:47,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.17/8.20 [2019-03-29 02:11:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.17/8.20 [2019-03-29 02:11:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.17/8.20 [2019-03-29 02:11:47,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.17/8.20 [2019-03-29 02:11:47,107 INFO L82 PathProgramCache]: Analyzing trace with hash 53, now seen corresponding path program 1 times 15.17/8.20 [2019-03-29 02:11:47,107 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.17/8.20 [2019-03-29 02:11:47,107 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.17/8.20 [2019-03-29 02:11:47,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.17/8.20 [2019-03-29 02:11:47,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.17/8.20 [2019-03-29 02:11:47,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.17/8.20 [2019-03-29 02:11:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.17/8.20 [2019-03-29 02:11:47,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.17/8.20 [2019-03-29 02:11:47,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.17/8.20 [2019-03-29 02:11:47,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1541, now seen corresponding path program 1 times 15.17/8.20 [2019-03-29 02:11:47,127 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.17/8.20 [2019-03-29 02:11:47,127 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.17/8.20 [2019-03-29 02:11:47,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.17/8.20 [2019-03-29 02:11:47,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.17/8.20 [2019-03-29 02:11:47,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.17/8.20 [2019-03-29 02:11:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.17/8.20 [2019-03-29 02:11:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.17/8.20 [2019-03-29 02:11:47,196 INFO L216 LassoAnalysis]: Preferences: 15.17/8.20 [2019-03-29 02:11:47,197 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.17/8.20 [2019-03-29 02:11:47,197 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.17/8.20 [2019-03-29 02:11:47,198 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.17/8.20 [2019-03-29 02:11:47,198 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.17/8.20 [2019-03-29 02:11:47,198 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.17/8.20 [2019-03-29 02:11:47,198 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.17/8.20 [2019-03-29 02:11:47,198 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.17/8.20 [2019-03-29 02:11:47,199 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.17/8.20 [2019-03-29 02:11:47,199 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.17/8.20 [2019-03-29 02:11:47,199 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.17/8.20 [2019-03-29 02:11:47,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.17/8.20 [2019-03-29 02:11:47,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.17/8.20 [2019-03-29 02:11:47,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.17/8.20 [2019-03-29 02:11:47,334 INFO L300 LassoAnalysis]: Preprocessing complete. 15.17/8.20 [2019-03-29 02:11:47,335 INFO L412 LassoAnalysis]: Checking for nontermination... 15.17/8.20 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.17/8.20 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.17/8.20 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.17/8.20 [2019-03-29 02:11:47,341 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.17/8.20 [2019-03-29 02:11:47,341 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.17/8.20 [2019-03-29 02:11:47,375 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.17/8.20 [2019-03-29 02:11:47,376 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: [] 15.17/8.20 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.17/8.20 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.17/8.20 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.17/8.20 [2019-03-29 02:11:47,383 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.17/8.20 [2019-03-29 02:11:47,384 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.17/8.20 [2019-03-29 02:11:47,411 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.17/8.20 [2019-03-29 02:11:47,411 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: [] 15.17/8.20 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.17/8.20 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.17/8.20 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.17/8.20 [2019-03-29 02:11:47,416 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.17/8.20 [2019-03-29 02:11:47,416 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.17/8.20 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.17/8.20 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.17/8.20 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.17/8.20 [2019-03-29 02:11:47,451 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.17/8.20 [2019-03-29 02:11:47,451 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.17/8.20 [2019-03-29 02:11:49,337 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.17/8.20 [2019-03-29 02:11:49,340 INFO L216 LassoAnalysis]: Preferences: 15.17/8.20 [2019-03-29 02:11:49,340 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.17/8.20 [2019-03-29 02:11:49,340 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.17/8.20 [2019-03-29 02:11:49,340 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.17/8.20 [2019-03-29 02:11:49,340 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.17/8.20 [2019-03-29 02:11:49,340 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.17/8.20 [2019-03-29 02:11:49,340 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.17/8.20 [2019-03-29 02:11:49,341 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.17/8.20 [2019-03-29 02:11:49,341 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.17/8.20 [2019-03-29 02:11:49,341 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.17/8.20 [2019-03-29 02:11:49,341 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.17/8.20 [2019-03-29 02:11:49,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.17/8.20 [2019-03-29 02:11:49,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.17/8.20 [2019-03-29 02:11:49,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.17/8.20 [2019-03-29 02:11:49,449 INFO L300 LassoAnalysis]: Preprocessing complete. 15.17/8.20 [2019-03-29 02:11:49,455 INFO L497 LassoAnalysis]: Using template 'affine'. 15.17/8.20 [2019-03-29 02:11:49,457 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.17/8.20 Termination analysis: LINEAR_WITH_GUESSES 15.17/8.20 Number of strict supporting invariants: 0 15.17/8.20 Number of non-strict supporting invariants: 1 15.17/8.20 Consider only non-deceasing supporting invariants: true 15.17/8.20 Simplify termination arguments: true 15.17/8.20 Simplify supporting invariants: trueOverapproximate stem: false 15.17/8.20 [2019-03-29 02:11:49,458 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.17/8.20 [2019-03-29 02:11:49,459 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.17/8.20 [2019-03-29 02:11:49,459 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.17/8.20 [2019-03-29 02:11:49,459 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.17/8.20 [2019-03-29 02:11:49,464 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.17/8.20 [2019-03-29 02:11:49,464 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.17/8.20 [2019-03-29 02:11:49,474 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.17/8.20 [2019-03-29 02:11:49,475 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.17/8.20 Termination analysis: LINEAR_WITH_GUESSES 15.17/8.20 Number of strict supporting invariants: 0 15.17/8.20 Number of non-strict supporting invariants: 1 15.17/8.20 Consider only non-deceasing supporting invariants: true 15.17/8.20 Simplify termination arguments: true 15.17/8.20 Simplify supporting invariants: trueOverapproximate stem: false 15.17/8.20 [2019-03-29 02:11:49,476 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.17/8.20 [2019-03-29 02:11:49,476 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.17/8.20 [2019-03-29 02:11:49,476 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.17/8.20 [2019-03-29 02:11:49,476 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.17/8.20 [2019-03-29 02:11:49,479 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.17/8.20 [2019-03-29 02:11:49,479 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.17/8.20 [2019-03-29 02:11:49,487 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.17/8.20 [2019-03-29 02:11:49,488 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.17/8.20 Termination analysis: LINEAR_WITH_GUESSES 15.17/8.20 Number of strict supporting invariants: 0 15.17/8.20 Number of non-strict supporting invariants: 1 15.17/8.20 Consider only non-deceasing supporting invariants: true 15.17/8.20 Simplify termination arguments: true 15.17/8.20 Simplify supporting invariants: trueOverapproximate stem: false 15.17/8.20 [2019-03-29 02:11:49,489 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.17/8.20 [2019-03-29 02:11:49,489 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.17/8.20 [2019-03-29 02:11:49,490 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.17/8.20 [2019-03-29 02:11:49,490 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.17/8.20 [2019-03-29 02:11:49,490 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.17/8.20 [2019-03-29 02:11:49,491 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.17/8.20 [2019-03-29 02:11:49,491 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.17/8.20 [2019-03-29 02:11:49,501 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.17/8.20 [2019-03-29 02:11:49,501 INFO L497 LassoAnalysis]: Using template '2-nested'. 15.17/8.20 [2019-03-29 02:11:49,502 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.17/8.20 Termination analysis: LINEAR_WITH_GUESSES 15.17/8.20 Number of strict supporting invariants: 0 15.17/8.20 Number of non-strict supporting invariants: 1 15.17/8.20 Consider only non-deceasing supporting invariants: true 15.17/8.20 Simplify termination arguments: true 15.17/8.20 Simplify supporting invariants: trueOverapproximate stem: false 15.17/8.20 [2019-03-29 02:11:49,503 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.17/8.20 [2019-03-29 02:11:49,503 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.17/8.20 [2019-03-29 02:11:49,503 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.17/8.20 [2019-03-29 02:11:49,503 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 15.17/8.20 [2019-03-29 02:11:49,507 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. 15.17/8.20 [2019-03-29 02:11:49,507 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. 15.17/8.20 [2019-03-29 02:11:49,514 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.17/8.20 [2019-03-29 02:11:49,514 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.17/8.20 Termination analysis: LINEAR_WITH_GUESSES 15.17/8.20 Number of strict supporting invariants: 0 15.17/8.20 Number of non-strict supporting invariants: 1 15.17/8.20 Consider only non-deceasing supporting invariants: true 15.17/8.20 Simplify termination arguments: true 15.17/8.20 Simplify supporting invariants: trueOverapproximate stem: false 15.17/8.20 [2019-03-29 02:11:49,515 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.17/8.20 [2019-03-29 02:11:49,515 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.17/8.20 [2019-03-29 02:11:49,515 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.17/8.20 [2019-03-29 02:11:49,515 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 15.17/8.20 [2019-03-29 02:11:49,519 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. 15.17/8.20 [2019-03-29 02:11:49,519 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. 15.17/8.20 [2019-03-29 02:11:49,530 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.17/8.20 [2019-03-29 02:11:49,531 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.17/8.20 Termination analysis: LINEAR_WITH_GUESSES 15.17/8.20 Number of strict supporting invariants: 0 15.17/8.20 Number of non-strict supporting invariants: 1 15.17/8.20 Consider only non-deceasing supporting invariants: true 15.17/8.20 Simplify termination arguments: true 15.17/8.20 Simplify supporting invariants: trueOverapproximate stem: false 15.17/8.20 [2019-03-29 02:11:49,531 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.17/8.20 [2019-03-29 02:11:49,531 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.17/8.20 [2019-03-29 02:11:49,532 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.17/8.20 [2019-03-29 02:11:49,532 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.17/8.20 [2019-03-29 02:11:49,532 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 15.17/8.20 [2019-03-29 02:11:49,533 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. 15.17/8.20 [2019-03-29 02:11:49,534 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.17/8.20 [2019-03-29 02:11:49,544 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.17/8.20 [2019-03-29 02:11:49,554 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.17/8.20 [2019-03-29 02:11:49,554 INFO L444 ModelExtractionUtils]: 3 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. 15.17/8.20 [2019-03-29 02:11:49,556 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.17/8.20 [2019-03-29 02:11:49,557 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.17/8.20 [2019-03-29 02:11:49,557 INFO L518 LassoAnalysis]: Proved termination. 15.17/8.20 [2019-03-29 02:11:49,558 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.17/8.20 Ranking function 2-nested ranking function: 15.17/8.20 f0 = -2*ULTIMATE.start_main_~y~0 + 1 15.17/8.20 f1 = 1*ULTIMATE.start_main_~x~0 15.17/8.20 Supporting invariants [] 15.17/8.20 [2019-03-29 02:11:49,559 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.17/8.20 [2019-03-29 02:11:49,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.17/8.20 [2019-03-29 02:11:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.17/8.20 [2019-03-29 02:11:49,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 15.17/8.20 [2019-03-29 02:11:49,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.17/8.20 [2019-03-29 02:11:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.17/8.20 [2019-03-29 02:11:49,618 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjunts are in the unsatisfiable core 15.17/8.20 [2019-03-29 02:11:49,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.17/8.20 [2019-03-29 02:11:49,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.17/8.20 [2019-03-29 02:11:49,651 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 15.17/8.20 [2019-03-29 02:11:49,657 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 15.17/8.20 [2019-03-29 02:11:49,658 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 15.17/8.20 [2019-03-29 02:11:49,677 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. 15.17/8.20 [2019-03-29 02:11:49,677 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 15.17/8.20 [2019-03-29 02:11:49,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 15.17/8.20 [2019-03-29 02:11:49,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. 15.17/8.20 [2019-03-29 02:11:49,681 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. 15.17/8.20 [2019-03-29 02:11:49,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.17/8.20 [2019-03-29 02:11:49,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. 15.17/8.20 [2019-03-29 02:11:49,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.17/8.20 [2019-03-29 02:11:49,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. 15.17/8.20 [2019-03-29 02:11:49,683 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.17/8.20 [2019-03-29 02:11:49,687 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 15.17/8.20 [2019-03-29 02:11:49,688 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.17/8.20 [2019-03-29 02:11:49,691 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 15.17/8.20 [2019-03-29 02:11:49,692 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 15.17/8.20 [2019-03-29 02:11:49,692 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 15.17/8.20 [2019-03-29 02:11:49,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 15.17/8.20 [2019-03-29 02:11:49,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.17/8.20 [2019-03-29 02:11:49,693 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.17/8.20 [2019-03-29 02:11:49,693 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.17/8.20 [2019-03-29 02:11:49,693 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.17/8.20 [2019-03-29 02:11:49,693 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.17/8.20 [2019-03-29 02:11:49,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 15.17/8.20 [2019-03-29 02:11:49,694 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.17/8.20 [2019-03-29 02:11:49,694 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 15.17/8.20 [2019-03-29 02:11:49,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:11:49 BasicIcfg 15.17/8.20 [2019-03-29 02:11:49,700 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.17/8.20 [2019-03-29 02:11:49,700 INFO L168 Benchmark]: Toolchain (without parser) took 3521.39 ms. Allocated memory was 649.6 MB in the beginning and 682.1 MB in the end (delta: 32.5 MB). Free memory was 565.9 MB in the beginning and 538.5 MB in the end (delta: 27.4 MB). Peak memory consumption was 59.9 MB. Max. memory is 50.3 GB. 15.17/8.20 [2019-03-29 02:11:49,702 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.17/8.20 [2019-03-29 02:11:49,703 INFO L168 Benchmark]: CACSL2BoogieTranslator took 223.89 ms. Allocated memory is still 649.6 MB. Free memory was 565.9 MB in the beginning and 556.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 15.17/8.20 [2019-03-29 02:11:49,704 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.43 ms. Allocated memory was 649.6 MB in the beginning and 682.1 MB in the end (delta: 32.5 MB). Free memory was 556.0 MB in the beginning and 650.0 MB in the end (delta: -94.0 MB). Peak memory consumption was 21.3 MB. Max. memory is 50.3 GB. 15.17/8.20 [2019-03-29 02:11:49,704 INFO L168 Benchmark]: Boogie Preprocessor took 20.34 ms. Allocated memory is still 682.1 MB. Free memory was 650.0 MB in the beginning and 646.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 50.3 GB. 15.17/8.20 [2019-03-29 02:11:49,705 INFO L168 Benchmark]: RCFGBuilder took 198.30 ms. Allocated memory is still 682.1 MB. Free memory was 646.1 MB in the beginning and 632.6 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 15.17/8.20 [2019-03-29 02:11:49,706 INFO L168 Benchmark]: BlockEncodingV2 took 75.50 ms. Allocated memory is still 682.1 MB. Free memory was 632.6 MB in the beginning and 628.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. 15.17/8.20 [2019-03-29 02:11:49,706 INFO L168 Benchmark]: TraceAbstraction took 164.58 ms. Allocated memory is still 682.1 MB. Free memory was 628.3 MB in the beginning and 619.7 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 15.17/8.20 [2019-03-29 02:11:49,707 INFO L168 Benchmark]: BuchiAutomizer took 2742.17 ms. Allocated memory is still 682.1 MB. Free memory was 618.6 MB in the beginning and 538.5 MB in the end (delta: 80.1 MB). Peak memory consumption was 80.1 MB. Max. memory is 50.3 GB. 15.17/8.20 [2019-03-29 02:11:49,711 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.17/8.20 --- Results --- 15.17/8.20 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.17/8.20 - StatisticsResult: Initial Icfg 15.17/8.20 6 locations, 7 edges 15.17/8.20 - StatisticsResult: Encoded RCFG 15.17/8.20 2 locations, 2 edges 15.17/8.20 * Results from de.uni_freiburg.informatik.ultimate.core: 15.17/8.20 - StatisticsResult: Toolchain Benchmarks 15.17/8.20 Benchmark results are: 15.17/8.20 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.17/8.20 * CACSL2BoogieTranslator took 223.89 ms. Allocated memory is still 649.6 MB. Free memory was 565.9 MB in the beginning and 556.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 15.17/8.20 * Boogie Procedure Inliner took 91.43 ms. Allocated memory was 649.6 MB in the beginning and 682.1 MB in the end (delta: 32.5 MB). Free memory was 556.0 MB in the beginning and 650.0 MB in the end (delta: -94.0 MB). Peak memory consumption was 21.3 MB. Max. memory is 50.3 GB. 15.17/8.20 * Boogie Preprocessor took 20.34 ms. Allocated memory is still 682.1 MB. Free memory was 650.0 MB in the beginning and 646.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 50.3 GB. 15.17/8.20 * RCFGBuilder took 198.30 ms. Allocated memory is still 682.1 MB. Free memory was 646.1 MB in the beginning and 632.6 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 15.17/8.20 * BlockEncodingV2 took 75.50 ms. Allocated memory is still 682.1 MB. Free memory was 632.6 MB in the beginning and 628.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. 15.17/8.20 * TraceAbstraction took 164.58 ms. Allocated memory is still 682.1 MB. Free memory was 628.3 MB in the beginning and 619.7 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 15.17/8.20 * BuchiAutomizer took 2742.17 ms. Allocated memory is still 682.1 MB. Free memory was 618.6 MB in the beginning and 538.5 MB in the end (delta: 80.1 MB). Peak memory consumption was 80.1 MB. Max. memory is 50.3 GB. 15.17/8.20 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.17/8.20 - AllSpecificationsHoldResult: All specifications hold 15.17/8.20 We were not able to verify any specifiation because the program does not contain any specification. 15.17/8.20 - InvariantResult [Line: 26]: Loop Invariant 15.17/8.20 Derived loop invariant: 1 15.17/8.20 - StatisticsResult: Ultimate Automizer benchmark data 15.17/8.20 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 15.17/8.20 - StatisticsResult: Constructed decomposition of program 15.17/8.20 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has 2-nested ranking function (if -2 * y + 1 > 0 then 1 else 0), (if -2 * y + 1 > 0 then -2 * y + 1 else x) and consists of 2 locations. 15.17/8.20 - StatisticsResult: Timing statistics 15.17/8.20 BüchiAutomizer plugin needed 2.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. 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 hnf100 lsp58 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq182 hnf93 smp100 dnf100 smp100 tf106 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 11ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.9s 15.17/8.20 - TerminationAnalysisResult: Termination proven 15.17/8.20 Buchi Automizer proved that your program is terminating 15.17/8.20 RESULT: Ultimate proved your program to be correct! 15.17/8.20 !SESSION 2019-03-29 02:11:42.793 ----------------------------------------------- 15.17/8.20 eclipse.buildId=unknown 15.17/8.20 java.version=1.8.0_181 15.17/8.20 java.vendor=Oracle Corporation 15.17/8.20 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.17/8.20 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.17/8.20 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 15.17/8.20 15.17/8.20 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 02:11:49.942 15.17/8.20 !MESSAGE The workspace will exit with unsaved changes in this session. 15.17/8.20 Received shutdown request... 15.17/8.20 Ultimate: 15.17/8.20 GTK+ Version Check 15.17/8.20 EOF