16.25/7.51 YES 16.25/7.51 16.25/7.51 Ultimate: Cannot open display: 16.25/7.51 This is Ultimate 0.1.24-8dc7c08-m 16.25/7.51 [2019-03-28 22:30:46,676 INFO L170 SettingsManager]: Resetting all preferences to default values... 16.25/7.51 [2019-03-28 22:30:46,678 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 16.25/7.51 [2019-03-28 22:30:46,690 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 16.25/7.51 [2019-03-28 22:30:46,690 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 16.25/7.51 [2019-03-28 22:30:46,691 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 16.25/7.51 [2019-03-28 22:30:46,693 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 16.25/7.51 [2019-03-28 22:30:46,694 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 16.25/7.51 [2019-03-28 22:30:46,696 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 16.25/7.51 [2019-03-28 22:30:46,696 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 16.25/7.51 [2019-03-28 22:30:46,697 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 16.25/7.51 [2019-03-28 22:30:46,698 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 16.25/7.51 [2019-03-28 22:30:46,698 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 16.25/7.51 [2019-03-28 22:30:46,699 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 16.25/7.51 [2019-03-28 22:30:46,701 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 16.25/7.51 [2019-03-28 22:30:46,701 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 16.25/7.51 [2019-03-28 22:30:46,702 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 16.25/7.51 [2019-03-28 22:30:46,704 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 16.25/7.51 [2019-03-28 22:30:46,706 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 16.25/7.51 [2019-03-28 22:30:46,707 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 16.25/7.51 [2019-03-28 22:30:46,708 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 16.25/7.51 [2019-03-28 22:30:46,710 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 16.25/7.51 [2019-03-28 22:30:46,712 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 16.25/7.51 [2019-03-28 22:30:46,712 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 16.25/7.51 [2019-03-28 22:30:46,712 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 16.25/7.51 [2019-03-28 22:30:46,713 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 16.25/7.51 [2019-03-28 22:30:46,714 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 16.25/7.51 [2019-03-28 22:30:46,715 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 16.25/7.51 [2019-03-28 22:30:46,715 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 16.25/7.51 [2019-03-28 22:30:46,716 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 16.25/7.51 [2019-03-28 22:30:46,716 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 16.25/7.51 [2019-03-28 22:30:46,717 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 16.25/7.51 [2019-03-28 22:30:46,718 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 16.25/7.51 [2019-03-28 22:30:46,718 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 16.25/7.51 [2019-03-28 22:30:46,719 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 16.25/7.51 [2019-03-28 22:30:46,719 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 16.25/7.51 [2019-03-28 22:30:46,719 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 16.25/7.51 [2019-03-28 22:30:46,720 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 16.25/7.51 [2019-03-28 22:30:46,721 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 16.25/7.51 [2019-03-28 22:30:46,721 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 16.25/7.51 [2019-03-28 22:30:46,736 INFO L110 SettingsManager]: Loading preferences was successful 16.25/7.51 [2019-03-28 22:30:46,737 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 16.25/7.51 [2019-03-28 22:30:46,738 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 16.25/7.51 [2019-03-28 22:30:46,738 INFO L133 SettingsManager]: * Rewrite not-equals=true 16.25/7.51 [2019-03-28 22:30:46,738 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 16.25/7.51 [2019-03-28 22:30:46,738 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 16.25/7.51 [2019-03-28 22:30:46,738 INFO L133 SettingsManager]: * Use SBE=true 16.25/7.51 [2019-03-28 22:30:46,739 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 16.25/7.51 [2019-03-28 22:30:46,739 INFO L133 SettingsManager]: * Use old map elimination=false 16.25/7.51 [2019-03-28 22:30:46,739 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 16.25/7.51 [2019-03-28 22:30:46,739 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 16.25/7.51 [2019-03-28 22:30:46,739 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 16.25/7.51 [2019-03-28 22:30:46,740 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 16.25/7.51 [2019-03-28 22:30:46,740 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 16.25/7.51 [2019-03-28 22:30:46,740 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.25/7.51 [2019-03-28 22:30:46,740 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 16.25/7.51 [2019-03-28 22:30:46,740 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 16.25/7.51 [2019-03-28 22:30:46,740 INFO L133 SettingsManager]: * Check division by zero=IGNORE 16.25/7.51 [2019-03-28 22:30:46,741 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 16.25/7.51 [2019-03-28 22:30:46,741 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 16.25/7.51 [2019-03-28 22:30:46,741 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 16.25/7.51 [2019-03-28 22:30:46,741 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 16.25/7.51 [2019-03-28 22:30:46,741 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 16.25/7.51 [2019-03-28 22:30:46,742 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 16.25/7.51 [2019-03-28 22:30:46,742 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 16.25/7.51 [2019-03-28 22:30:46,742 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 16.25/7.51 [2019-03-28 22:30:46,742 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 16.25/7.51 [2019-03-28 22:30:46,742 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 16.25/7.51 [2019-03-28 22:30:46,742 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 16.25/7.51 [2019-03-28 22:30:46,769 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 16.25/7.51 [2019-03-28 22:30:46,783 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 16.25/7.51 [2019-03-28 22:30:46,787 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 16.25/7.51 [2019-03-28 22:30:46,788 INFO L271 PluginConnector]: Initializing CDTParser... 16.25/7.51 [2019-03-28 22:30:46,789 INFO L276 PluginConnector]: CDTParser initialized 16.25/7.51 [2019-03-28 22:30:46,789 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 16.25/7.51 [2019-03-28 22:30:46,855 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/f7c5aa59102e4361b3b2c93e4ac0a3d8/FLAG15c4d7b17 16.25/7.51 [2019-03-28 22:30:47,202 INFO L307 CDTParser]: Found 1 translation units. 16.25/7.51 [2019-03-28 22:30:47,203 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 16.25/7.51 [2019-03-28 22:30:47,209 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/f7c5aa59102e4361b3b2c93e4ac0a3d8/FLAG15c4d7b17 16.25/7.51 [2019-03-28 22:30:47,611 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/f7c5aa59102e4361b3b2c93e4ac0a3d8 16.25/7.51 [2019-03-28 22:30:47,623 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 16.25/7.51 [2019-03-28 22:30:47,624 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 16.25/7.51 [2019-03-28 22:30:47,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 16.25/7.51 [2019-03-28 22:30:47,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 16.25/7.51 [2019-03-28 22:30:47,629 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 16.25/7.51 [2019-03-28 22:30:47,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:30:47" (1/1) ... 16.25/7.51 [2019-03-28 22:30:47,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@699993b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:47, skipping insertion in model container 16.25/7.51 [2019-03-28 22:30:47,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:30:47" (1/1) ... 16.25/7.51 [2019-03-28 22:30:47,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 16.25/7.51 [2019-03-28 22:30:47,658 INFO L176 MainTranslator]: Built tables and reachable declarations 16.25/7.51 [2019-03-28 22:30:47,818 INFO L206 PostProcessor]: Analyzing one entry point: main 16.25/7.51 [2019-03-28 22:30:47,822 INFO L191 MainTranslator]: Completed pre-run 16.25/7.51 [2019-03-28 22:30:47,849 INFO L206 PostProcessor]: Analyzing one entry point: main 16.25/7.51 [2019-03-28 22:30:47,865 INFO L195 MainTranslator]: Completed translation 16.25/7.51 [2019-03-28 22:30:47,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:47 WrapperNode 16.25/7.51 [2019-03-28 22:30:47,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 16.25/7.51 [2019-03-28 22:30:47,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 16.25/7.51 [2019-03-28 22:30:47,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 16.25/7.51 [2019-03-28 22:30:47,867 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 16.25/7.51 [2019-03-28 22:30:47,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:47" (1/1) ... 16.25/7.51 [2019-03-28 22:30:47,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:47" (1/1) ... 16.25/7.51 [2019-03-28 22:30:47,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 16.25/7.51 [2019-03-28 22:30:47,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 16.25/7.51 [2019-03-28 22:30:47,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 16.25/7.51 [2019-03-28 22:30:47,965 INFO L276 PluginConnector]: Boogie Preprocessor initialized 16.25/7.51 [2019-03-28 22:30:47,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:47" (1/1) ... 16.25/7.51 [2019-03-28 22:30:47,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:47" (1/1) ... 16.25/7.51 [2019-03-28 22:30:47,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:47" (1/1) ... 16.25/7.51 [2019-03-28 22:30:47,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:47" (1/1) ... 16.25/7.51 [2019-03-28 22:30:47,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:47" (1/1) ... 16.25/7.51 [2019-03-28 22:30:47,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:47" (1/1) ... 16.25/7.51 [2019-03-28 22:30:47,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:47" (1/1) ... 16.25/7.51 [2019-03-28 22:30:47,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 16.25/7.51 [2019-03-28 22:30:47,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 16.25/7.51 [2019-03-28 22:30:47,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... 16.25/7.51 [2019-03-28 22:30:47,986 INFO L276 PluginConnector]: RCFGBuilder initialized 16.25/7.51 [2019-03-28 22:30:47,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:47" (1/1) ... 16.25/7.51 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.25/7.51 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 16.25/7.51 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 16.25/7.51 [2019-03-28 22:30:48,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 16.25/7.51 [2019-03-28 22:30:48,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 16.25/7.51 [2019-03-28 22:30:48,187 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 16.25/7.51 [2019-03-28 22:30:48,187 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. 16.25/7.51 [2019-03-28 22:30:48,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:30:48 BoogieIcfgContainer 16.25/7.51 [2019-03-28 22:30:48,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 16.25/7.51 [2019-03-28 22:30:48,190 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 16.25/7.51 [2019-03-28 22:30:48,190 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 16.25/7.51 [2019-03-28 22:30:48,192 INFO L276 PluginConnector]: BlockEncodingV2 initialized 16.25/7.51 [2019-03-28 22:30:48,193 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:30:48" (1/1) ... 16.25/7.51 [2019-03-28 22:30:48,207 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 10 edges 16.25/7.51 [2019-03-28 22:30:48,209 INFO L258 BlockEncoder]: Using Remove infeasible edges 16.25/7.51 [2019-03-28 22:30:48,209 INFO L263 BlockEncoder]: Using Maximize final states 16.25/7.51 [2019-03-28 22:30:48,210 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 16.25/7.51 [2019-03-28 22:30:48,210 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 16.25/7.51 [2019-03-28 22:30:48,212 INFO L296 BlockEncoder]: Using Remove sink states 16.25/7.51 [2019-03-28 22:30:48,213 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 16.25/7.51 [2019-03-28 22:30:48,213 INFO L179 BlockEncoder]: Using Rewrite not-equals 16.25/7.51 [2019-03-28 22:30:48,228 INFO L185 BlockEncoder]: Using Use SBE 16.25/7.51 [2019-03-28 22:30:48,242 INFO L200 BlockEncoder]: SBE split 1 edges 16.25/7.51 [2019-03-28 22:30:48,247 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 16.25/7.51 [2019-03-28 22:30:48,249 INFO L71 MaximizeFinalStates]: 0 new accepting states 16.25/7.51 [2019-03-28 22:30:48,259 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 16.25/7.51 [2019-03-28 22:30:48,262 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states 16.25/7.51 [2019-03-28 22:30:48,263 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 16.25/7.51 [2019-03-28 22:30:48,263 INFO L71 MaximizeFinalStates]: 0 new accepting states 16.25/7.51 [2019-03-28 22:30:48,263 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 16.25/7.51 [2019-03-28 22:30:48,264 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 16.25/7.51 [2019-03-28 22:30:48,264 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 16.25/7.51 [2019-03-28 22:30:48,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:30:48 BasicIcfg 16.25/7.51 [2019-03-28 22:30:48,265 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 16.25/7.51 [2019-03-28 22:30:48,266 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 16.25/7.51 [2019-03-28 22:30:48,266 INFO L271 PluginConnector]: Initializing TraceAbstraction... 16.25/7.51 [2019-03-28 22:30:48,269 INFO L276 PluginConnector]: TraceAbstraction initialized 16.25/7.51 [2019-03-28 22:30:48,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:30:47" (1/4) ... 16.25/7.51 [2019-03-28 22:30:48,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5416b0d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:30:48, skipping insertion in model container 16.25/7.51 [2019-03-28 22:30:48,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:47" (2/4) ... 16.25/7.51 [2019-03-28 22:30:48,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5416b0d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:30:48, skipping insertion in model container 16.25/7.51 [2019-03-28 22:30:48,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:30:48" (3/4) ... 16.25/7.51 [2019-03-28 22:30:48,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5416b0d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:30:48, skipping insertion in model container 16.25/7.51 [2019-03-28 22:30:48,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:30:48" (4/4) ... 16.25/7.51 [2019-03-28 22:30:48,273 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 16.25/7.51 [2019-03-28 22:30:48,283 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 16.25/7.51 [2019-03-28 22:30:48,291 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 16.25/7.51 [2019-03-28 22:30:48,308 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 16.25/7.51 [2019-03-28 22:30:48,338 INFO L133 ementStrategyFactory]: Using default assertion order modulation 16.25/7.51 [2019-03-28 22:30:48,338 INFO L382 AbstractCegarLoop]: Interprodecural is true 16.25/7.51 [2019-03-28 22:30:48,339 INFO L383 AbstractCegarLoop]: Hoare is true 16.25/7.51 [2019-03-28 22:30:48,339 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 16.25/7.51 [2019-03-28 22:30:48,339 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 16.25/7.51 [2019-03-28 22:30:48,339 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 16.25/7.51 [2019-03-28 22:30:48,339 INFO L387 AbstractCegarLoop]: Difference is false 16.25/7.51 [2019-03-28 22:30:48,339 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 16.25/7.51 [2019-03-28 22:30:48,340 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 16.25/7.51 [2019-03-28 22:30:48,353 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 16.25/7.51 [2019-03-28 22:30:48,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 16.25/7.51 [2019-03-28 22:30:48,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 16.25/7.51 [2019-03-28 22:30:48,415 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 16.25/7.51 [2019-03-28 22:30:48,415 INFO L451 ceAbstractionStarter]: At program point L14-2(lines 14 17) the Hoare annotation is: true 16.25/7.51 [2019-03-28 22:30:48,415 INFO L451 ceAbstractionStarter]: At program point L14-3(lines 13 18) the Hoare annotation is: true 16.25/7.51 [2019-03-28 22:30:48,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:30:48 BasicIcfg 16.25/7.51 [2019-03-28 22:30:48,424 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 16.25/7.51 [2019-03-28 22:30:48,424 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 16.25/7.51 [2019-03-28 22:30:48,424 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 16.25/7.51 [2019-03-28 22:30:48,428 INFO L276 PluginConnector]: BuchiAutomizer initialized 16.25/7.51 [2019-03-28 22:30:48,429 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.25/7.51 [2019-03-28 22:30:48,429 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:30:47" (1/5) ... 16.25/7.51 [2019-03-28 22:30:48,429 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54110e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:30:48, skipping insertion in model container 16.25/7.51 [2019-03-28 22:30:48,430 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.25/7.51 [2019-03-28 22:30:48,430 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:47" (2/5) ... 16.25/7.51 [2019-03-28 22:30:48,430 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54110e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:30:48, skipping insertion in model container 16.25/7.51 [2019-03-28 22:30:48,430 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.25/7.51 [2019-03-28 22:30:48,430 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:30:48" (3/5) ... 16.25/7.51 [2019-03-28 22:30:48,431 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54110e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:30:48, skipping insertion in model container 16.25/7.51 [2019-03-28 22:30:48,431 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.25/7.51 [2019-03-28 22:30:48,431 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:30:48" (4/5) ... 16.25/7.51 [2019-03-28 22:30:48,431 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54110e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:30:48, skipping insertion in model container 16.25/7.51 [2019-03-28 22:30:48,431 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.25/7.51 [2019-03-28 22:30:48,432 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:30:48" (5/5) ... 16.25/7.51 [2019-03-28 22:30:48,433 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 16.25/7.51 [2019-03-28 22:30:48,461 INFO L133 ementStrategyFactory]: Using default assertion order modulation 16.25/7.51 [2019-03-28 22:30:48,462 INFO L374 BuchiCegarLoop]: Interprodecural is true 16.25/7.51 [2019-03-28 22:30:48,462 INFO L375 BuchiCegarLoop]: Hoare is true 16.25/7.51 [2019-03-28 22:30:48,462 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 16.25/7.51 [2019-03-28 22:30:48,462 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 16.25/7.51 [2019-03-28 22:30:48,462 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 16.25/7.51 [2019-03-28 22:30:48,463 INFO L379 BuchiCegarLoop]: Difference is false 16.25/7.51 [2019-03-28 22:30:48,463 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 16.25/7.51 [2019-03-28 22:30:48,463 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 16.25/7.51 [2019-03-28 22:30:48,466 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 16.25/7.51 [2019-03-28 22:30:48,484 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 16.25/7.51 [2019-03-28 22:30:48,484 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.25/7.51 [2019-03-28 22:30:48,484 INFO L119 BuchiIsEmpty]: Starting construction of run 16.25/7.51 [2019-03-28 22:30:48,489 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 16.25/7.51 [2019-03-28 22:30:48,490 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 16.25/7.51 [2019-03-28 22:30:48,490 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 16.25/7.51 [2019-03-28 22:30:48,490 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 16.25/7.51 [2019-03-28 22:30:48,491 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 16.25/7.51 [2019-03-28 22:30:48,491 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.25/7.51 [2019-03-28 22:30:48,491 INFO L119 BuchiIsEmpty]: Starting construction of run 16.25/7.51 [2019-03-28 22:30:48,491 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 16.25/7.51 [2019-03-28 22:30:48,491 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 16.25/7.51 [2019-03-28 22:30:48,496 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [30] ULTIMATE.startENTRY-->L14-3: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 4#L14-3true 16.25/7.51 [2019-03-28 22:30:48,497 INFO L796 eck$LassoCheckResult]: Loop: 4#L14-3true [33] L14-3-->L14-2: Formula: (and (< v_ULTIMATE.start_main_~z~0_9 v_ULTIMATE.start_main_~x~0_9) (= v_ULTIMATE.start_main_~x~0_9 v_ULTIMATE.start_main_~y~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 5#L14-2true [41] L14-2-->L14-3: Formula: (>= v_ULTIMATE.start_main_~z~0_6 v_ULTIMATE.start_main_~y~0_6) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6} AuxVars[] AssignedVars[] 4#L14-3true 16.25/7.51 [2019-03-28 22:30:48,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.25/7.51 [2019-03-28 22:30:48,503 INFO L82 PathProgramCache]: Analyzing trace with hash 61, now seen corresponding path program 1 times 16.25/7.51 [2019-03-28 22:30:48,505 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.25/7.51 [2019-03-28 22:30:48,506 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.25/7.51 [2019-03-28 22:30:48,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.25/7.51 [2019-03-28 22:30:48,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.25/7.51 [2019-03-28 22:30:48,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.25/7.51 [2019-03-28 22:30:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.25/7.51 [2019-03-28 22:30:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.25/7.51 [2019-03-28 22:30:48,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.25/7.51 [2019-03-28 22:30:48,575 INFO L82 PathProgramCache]: Analyzing trace with hash 2025, now seen corresponding path program 1 times 16.25/7.51 [2019-03-28 22:30:48,575 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.25/7.51 [2019-03-28 22:30:48,576 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.25/7.51 [2019-03-28 22:30:48,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.25/7.51 [2019-03-28 22:30:48,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.25/7.51 [2019-03-28 22:30:48,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.25/7.51 [2019-03-28 22:30:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.25/7.51 [2019-03-28 22:30:48,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.25/7.51 [2019-03-28 22:30:48,629 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 16.25/7.51 [2019-03-28 22:30:48,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 16.25/7.51 [2019-03-28 22:30:48,634 INFO L811 eck$LassoCheckResult]: loop already infeasible 16.25/7.51 [2019-03-28 22:30:48,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 16.25/7.51 [2019-03-28 22:30:48,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 16.25/7.51 [2019-03-28 22:30:48,651 INFO L87 Difference]: Start difference. First operand 3 states. Second operand 3 states. 16.25/7.51 [2019-03-28 22:30:48,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 16.25/7.51 [2019-03-28 22:30:48,686 INFO L93 Difference]: Finished difference Result 4 states and 5 transitions. 16.25/7.51 [2019-03-28 22:30:48,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 16.25/7.51 [2019-03-28 22:30:48,691 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 5 transitions. 16.25/7.52 [2019-03-28 22:30:48,691 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 16.25/7.52 [2019-03-28 22:30:48,696 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 4 states and 5 transitions. 16.25/7.52 [2019-03-28 22:30:48,697 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 16.25/7.52 [2019-03-28 22:30:48,697 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 16.25/7.52 [2019-03-28 22:30:48,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 5 transitions. 16.25/7.52 [2019-03-28 22:30:48,698 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.25/7.52 [2019-03-28 22:30:48,699 INFO L706 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. 16.25/7.52 [2019-03-28 22:30:48,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 5 transitions. 16.25/7.52 [2019-03-28 22:30:48,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. 16.25/7.52 [2019-03-28 22:30:48,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 16.25/7.52 [2019-03-28 22:30:48,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. 16.25/7.52 [2019-03-28 22:30:48,728 INFO L729 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. 16.25/7.52 [2019-03-28 22:30:48,728 INFO L609 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. 16.25/7.52 [2019-03-28 22:30:48,728 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 16.25/7.52 [2019-03-28 22:30:48,728 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 5 transitions. 16.25/7.52 [2019-03-28 22:30:48,728 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 16.25/7.52 [2019-03-28 22:30:48,729 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.25/7.52 [2019-03-28 22:30:48,729 INFO L119 BuchiIsEmpty]: Starting construction of run 16.25/7.52 [2019-03-28 22:30:48,729 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 16.25/7.52 [2019-03-28 22:30:48,729 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 16.25/7.52 [2019-03-28 22:30:48,730 INFO L794 eck$LassoCheckResult]: Stem: 16#ULTIMATE.startENTRY [30] ULTIMATE.startENTRY-->L14-3: 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|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |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_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 17#L14-3 16.25/7.52 [2019-03-28 22:30:48,730 INFO L796 eck$LassoCheckResult]: Loop: 17#L14-3 [33] L14-3-->L14-2: Formula: (and (< v_ULTIMATE.start_main_~z~0_9 v_ULTIMATE.start_main_~x~0_9) (= v_ULTIMATE.start_main_~x~0_9 v_ULTIMATE.start_main_~y~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 18#L14-2 [37] L14-2-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 (- 1))) (< v_ULTIMATE.start_main_~z~0_7 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~x~0_6 (+ v_ULTIMATE.start_main_~x~0_7 (- 1)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 19#L14-2 [41] L14-2-->L14-3: Formula: (>= v_ULTIMATE.start_main_~z~0_6 v_ULTIMATE.start_main_~y~0_6) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6} AuxVars[] AssignedVars[] 17#L14-3 16.25/7.52 [2019-03-28 22:30:48,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.25/7.52 [2019-03-28 22:30:48,730 INFO L82 PathProgramCache]: Analyzing trace with hash 61, now seen corresponding path program 2 times 16.25/7.52 [2019-03-28 22:30:48,731 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.25/7.52 [2019-03-28 22:30:48,731 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.25/7.52 [2019-03-28 22:30:48,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.25/7.52 [2019-03-28 22:30:48,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.25/7.52 [2019-03-28 22:30:48,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.25/7.52 [2019-03-28 22:30:48,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.25/7.52 [2019-03-28 22:30:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.25/7.52 [2019-03-28 22:30:48,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.25/7.52 [2019-03-28 22:30:48,738 INFO L82 PathProgramCache]: Analyzing trace with hash 62692, now seen corresponding path program 1 times 16.25/7.52 [2019-03-28 22:30:48,738 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.25/7.52 [2019-03-28 22:30:48,738 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.25/7.52 [2019-03-28 22:30:48,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.25/7.52 [2019-03-28 22:30:48,740 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 16.25/7.52 [2019-03-28 22:30:48,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.25/7.52 [2019-03-28 22:30:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.25/7.52 [2019-03-28 22:30:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.25/7.52 [2019-03-28 22:30:48,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.25/7.52 [2019-03-28 22:30:48,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1850152, now seen corresponding path program 1 times 16.25/7.52 [2019-03-28 22:30:48,752 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.25/7.52 [2019-03-28 22:30:48,752 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.25/7.52 [2019-03-28 22:30:48,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.25/7.52 [2019-03-28 22:30:48,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.25/7.52 [2019-03-28 22:30:48,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.25/7.52 [2019-03-28 22:30:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.25/7.52 [2019-03-28 22:30:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.25/7.52 [2019-03-28 22:30:48,837 INFO L216 LassoAnalysis]: Preferences: 16.25/7.52 [2019-03-28 22:30:48,838 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.25/7.52 [2019-03-28 22:30:48,838 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.25/7.52 [2019-03-28 22:30:48,838 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.25/7.52 [2019-03-28 22:30:48,839 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.25/7.52 [2019-03-28 22:30:48,839 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.25/7.52 [2019-03-28 22:30:48,839 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.25/7.52 [2019-03-28 22:30:48,839 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.25/7.52 [2019-03-28 22:30:48,839 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 16.25/7.52 [2019-03-28 22:30:48,839 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.25/7.52 [2019-03-28 22:30:48,840 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.25/7.52 [2019-03-28 22:30:48,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.25/7.52 [2019-03-28 22:30:48,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.25/7.52 [2019-03-28 22:30:48,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.25/7.52 [2019-03-28 22:30:48,995 INFO L300 LassoAnalysis]: Preprocessing complete. 16.25/7.52 [2019-03-28 22:30:48,995 INFO L412 LassoAnalysis]: Checking for nontermination... 16.25/7.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.25/7.52 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.25/7.52 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.25/7.52 [2019-03-28 22:30:49,002 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.25/7.52 [2019-03-28 22:30:49,002 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.25/7.52 [2019-03-28 22:30:49,036 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.25/7.52 [2019-03-28 22:30:49,037 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: [] 16.25/7.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.25/7.52 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.25/7.52 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.25/7.52 [2019-03-28 22:30:49,044 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.25/7.52 [2019-03-28 22:30:49,044 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.25/7.52 [2019-03-28 22:30:49,072 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.25/7.52 [2019-03-28 22:30:49,072 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: [] 16.25/7.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.25/7.52 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.25/7.52 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.25/7.52 [2019-03-28 22:30:49,077 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.25/7.52 [2019-03-28 22:30:49,077 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.25/7.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.25/7.52 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.25/7.52 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.25/7.52 [2019-03-28 22:30:49,110 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.25/7.52 [2019-03-28 22:30:49,110 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.25/7.52 [2019-03-28 22:30:49,573 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.25/7.52 [2019-03-28 22:30:49,575 INFO L216 LassoAnalysis]: Preferences: 16.25/7.52 [2019-03-28 22:30:49,576 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.25/7.52 [2019-03-28 22:30:49,576 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.25/7.52 [2019-03-28 22:30:49,576 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.25/7.52 [2019-03-28 22:30:49,576 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.25/7.52 [2019-03-28 22:30:49,576 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.25/7.52 [2019-03-28 22:30:49,576 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.25/7.52 [2019-03-28 22:30:49,576 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.25/7.52 [2019-03-28 22:30:49,577 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 16.25/7.52 [2019-03-28 22:30:49,577 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.25/7.52 [2019-03-28 22:30:49,577 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.25/7.52 [2019-03-28 22:30:49,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.25/7.52 [2019-03-28 22:30:49,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.25/7.52 [2019-03-28 22:30:49,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.25/7.52 [2019-03-28 22:30:49,671 INFO L300 LassoAnalysis]: Preprocessing complete. 16.25/7.52 [2019-03-28 22:30:49,677 INFO L497 LassoAnalysis]: Using template 'affine'. 16.25/7.52 [2019-03-28 22:30:49,679 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.25/7.52 Termination analysis: LINEAR_WITH_GUESSES 16.25/7.52 Number of strict supporting invariants: 0 16.25/7.52 Number of non-strict supporting invariants: 1 16.25/7.52 Consider only non-deceasing supporting invariants: true 16.25/7.52 Simplify termination arguments: true 16.25/7.52 Simplify supporting invariants: trueOverapproximate stem: false 16.25/7.52 [2019-03-28 22:30:49,680 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.25/7.52 [2019-03-28 22:30:49,681 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.25/7.52 [2019-03-28 22:30:49,681 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.25/7.52 [2019-03-28 22:30:49,681 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.25/7.52 [2019-03-28 22:30:49,686 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.25/7.52 [2019-03-28 22:30:49,686 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.25/7.52 [2019-03-28 22:30:49,692 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.25/7.52 [2019-03-28 22:30:49,693 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.25/7.52 Termination analysis: LINEAR_WITH_GUESSES 16.25/7.52 Number of strict supporting invariants: 0 16.25/7.52 Number of non-strict supporting invariants: 1 16.25/7.52 Consider only non-deceasing supporting invariants: true 16.25/7.52 Simplify termination arguments: true 16.25/7.52 Simplify supporting invariants: trueOverapproximate stem: false 16.25/7.52 [2019-03-28 22:30:49,694 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.25/7.52 [2019-03-28 22:30:49,694 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.25/7.52 [2019-03-28 22:30:49,694 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.25/7.52 [2019-03-28 22:30:49,694 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.25/7.52 [2019-03-28 22:30:49,697 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.25/7.52 [2019-03-28 22:30:49,697 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.25/7.52 [2019-03-28 22:30:49,706 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.25/7.52 [2019-03-28 22:30:49,706 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.25/7.52 Termination analysis: LINEAR_WITH_GUESSES 16.25/7.52 Number of strict supporting invariants: 0 16.25/7.52 Number of non-strict supporting invariants: 1 16.25/7.52 Consider only non-deceasing supporting invariants: true 16.25/7.52 Simplify termination arguments: true 16.25/7.52 Simplify supporting invariants: trueOverapproximate stem: false 16.25/7.52 [2019-03-28 22:30:49,707 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.25/7.52 [2019-03-28 22:30:49,707 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.25/7.52 [2019-03-28 22:30:49,708 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.25/7.52 [2019-03-28 22:30:49,708 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.25/7.52 [2019-03-28 22:30:49,708 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.25/7.52 [2019-03-28 22:30:49,709 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.25/7.52 [2019-03-28 22:30:49,709 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.25/7.52 [2019-03-28 22:30:49,719 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.25/7.52 [2019-03-28 22:30:49,733 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 16.25/7.52 [2019-03-28 22:30:49,733 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. 16.25/7.52 [2019-03-28 22:30:49,735 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.25/7.52 [2019-03-28 22:30:49,736 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 16.25/7.52 [2019-03-28 22:30:49,736 INFO L518 LassoAnalysis]: Proved termination. 16.25/7.52 [2019-03-28 22:30:49,736 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.25/7.52 Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~z~0) = 1*ULTIMATE.start_main_~x~0 - 1*ULTIMATE.start_main_~z~0 16.25/7.52 Supporting invariants [] 16.25/7.52 [2019-03-28 22:30:49,738 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 16.25/7.52 [2019-03-28 22:30:49,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.25/7.52 [2019-03-28 22:30:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.25/7.52 [2019-03-28 22:30:49,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 16.25/7.52 [2019-03-28 22:30:49,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.25/7.52 [2019-03-28 22:30:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.25/7.52 [2019-03-28 22:30:49,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core 16.25/7.52 [2019-03-28 22:30:49,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.25/7.52 [2019-03-28 22:30:49,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.25/7.52 [2019-03-28 22:30:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.25/7.52 [2019-03-28 22:30:49,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core 16.25/7.52 [2019-03-28 22:30:49,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.25/7.52 [2019-03-28 22:30:49,879 INFO L98 LoopCannibalizer]: 4 predicates before loop cannibalization 5 predicates after loop cannibalization 16.25/7.52 [2019-03-28 22:30:49,883 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 5 loop predicates 16.25/7.52 [2019-03-28 22:30:49,883 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states and 5 transitions. cyclomatic complexity: 2 Second operand 4 states. 16.25/7.52 [2019-03-28 22:30:49,998 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states and 5 transitions. cyclomatic complexity: 2. Second operand 4 states. Result 15 states and 20 transitions. Complement of second has 11 states. 16.25/7.52 [2019-03-28 22:30:49,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 1 accepting loop states 16.25/7.52 [2019-03-28 22:30:50,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 16.25/7.52 [2019-03-28 22:30:50,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 16 transitions. 16.25/7.52 [2019-03-28 22:30:50,002 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 1 letters. Loop has 3 letters. 16.25/7.52 [2019-03-28 22:30:50,004 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.25/7.52 [2019-03-28 22:30:50,004 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 4 letters. Loop has 3 letters. 16.25/7.52 [2019-03-28 22:30:50,005 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.25/7.52 [2019-03-28 22:30:50,005 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 1 letters. Loop has 6 letters. 16.25/7.52 [2019-03-28 22:30:50,005 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.25/7.52 [2019-03-28 22:30:50,010 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 20 transitions. 16.25/7.52 [2019-03-28 22:30:50,012 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 16.25/7.52 [2019-03-28 22:30:50,012 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 6 states and 6 transitions. 16.25/7.52 [2019-03-28 22:30:50,012 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 16.25/7.52 [2019-03-28 22:30:50,012 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 16.25/7.52 [2019-03-28 22:30:50,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6 transitions. 16.25/7.52 [2019-03-28 22:30:50,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.25/7.52 [2019-03-28 22:30:50,013 INFO L706 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. 16.25/7.52 [2019-03-28 22:30:50,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 6 transitions. 16.25/7.52 [2019-03-28 22:30:50,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 3. 16.25/7.52 [2019-03-28 22:30:50,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 16.25/7.52 [2019-03-28 22:30:50,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. 16.25/7.52 [2019-03-28 22:30:50,014 INFO L729 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. 16.25/7.52 [2019-03-28 22:30:50,014 INFO L609 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. 16.25/7.52 [2019-03-28 22:30:50,014 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 16.25/7.52 [2019-03-28 22:30:50,015 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 3 transitions. 16.25/7.52 [2019-03-28 22:30:50,015 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 16.25/7.52 [2019-03-28 22:30:50,016 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.25/7.52 [2019-03-28 22:30:50,016 INFO L119 BuchiIsEmpty]: Starting construction of run 16.25/7.52 [2019-03-28 22:30:50,016 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 16.25/7.52 [2019-03-28 22:30:50,016 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 16.25/7.52 [2019-03-28 22:30:50,017 INFO L794 eck$LassoCheckResult]: Stem: 90#ULTIMATE.startENTRY [30] ULTIMATE.startENTRY-->L14-3: 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|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |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_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 91#L14-3 [33] L14-3-->L14-2: Formula: (and (< v_ULTIMATE.start_main_~z~0_9 v_ULTIMATE.start_main_~x~0_9) (= v_ULTIMATE.start_main_~x~0_9 v_ULTIMATE.start_main_~y~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 92#L14-2 16.25/7.52 [2019-03-28 22:30:50,017 INFO L796 eck$LassoCheckResult]: Loop: 92#L14-2 [37] L14-2-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 (- 1))) (< v_ULTIMATE.start_main_~z~0_7 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~x~0_6 (+ v_ULTIMATE.start_main_~x~0_7 (- 1)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 92#L14-2 16.25/7.52 [2019-03-28 22:30:50,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.25/7.52 [2019-03-28 22:30:50,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1924, now seen corresponding path program 1 times 16.25/7.52 [2019-03-28 22:30:50,017 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.25/7.52 [2019-03-28 22:30:50,018 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.25/7.52 [2019-03-28 22:30:50,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.25/7.52 [2019-03-28 22:30:50,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.25/7.52 [2019-03-28 22:30:50,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.25/7.52 [2019-03-28 22:30:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.25/7.52 [2019-03-28 22:30:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.25/7.52 [2019-03-28 22:30:50,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.25/7.52 [2019-03-28 22:30:50,027 INFO L82 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 1 times 16.25/7.52 [2019-03-28 22:30:50,027 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.25/7.52 [2019-03-28 22:30:50,027 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.25/7.52 [2019-03-28 22:30:50,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.25/7.52 [2019-03-28 22:30:50,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.25/7.52 [2019-03-28 22:30:50,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.25/7.52 [2019-03-28 22:30:50,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.25/7.52 [2019-03-28 22:30:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.25/7.52 [2019-03-28 22:30:50,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.25/7.52 [2019-03-28 22:30:50,035 INFO L82 PathProgramCache]: Analyzing trace with hash 59681, now seen corresponding path program 1 times 16.25/7.52 [2019-03-28 22:30:50,035 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.25/7.52 [2019-03-28 22:30:50,036 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.25/7.52 [2019-03-28 22:30:50,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.25/7.52 [2019-03-28 22:30:50,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.25/7.52 [2019-03-28 22:30:50,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.25/7.52 [2019-03-28 22:30:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.25/7.52 [2019-03-28 22:30:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.25/7.52 [2019-03-28 22:30:50,067 INFO L216 LassoAnalysis]: Preferences: 16.25/7.52 [2019-03-28 22:30:50,067 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.25/7.52 [2019-03-28 22:30:50,067 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.25/7.52 [2019-03-28 22:30:50,067 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.25/7.52 [2019-03-28 22:30:50,067 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.25/7.52 [2019-03-28 22:30:50,067 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.25/7.52 [2019-03-28 22:30:50,068 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.25/7.52 [2019-03-28 22:30:50,068 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.25/7.52 [2019-03-28 22:30:50,068 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 16.25/7.52 [2019-03-28 22:30:50,069 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.25/7.52 [2019-03-28 22:30:50,069 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.25/7.52 [2019-03-28 22:30:50,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.25/7.52 [2019-03-28 22:30:50,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.25/7.52 [2019-03-28 22:30:50,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.25/7.52 [2019-03-28 22:30:50,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.25/7.52 [2019-03-28 22:30:50,142 INFO L300 LassoAnalysis]: Preprocessing complete. 16.25/7.52 [2019-03-28 22:30:50,142 INFO L412 LassoAnalysis]: Checking for nontermination... 16.25/7.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.25/7.52 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.25/7.52 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.25/7.52 [2019-03-28 22:30:50,149 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.25/7.52 [2019-03-28 22:30:50,150 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.25/7.52 [2019-03-28 22:30:50,177 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.25/7.52 [2019-03-28 22:30:50,178 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.25/7.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.25/7.52 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.25/7.52 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.25/7.52 [2019-03-28 22:30:50,185 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.25/7.52 [2019-03-28 22:30:50,185 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.25/7.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.25/7.52 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.25/7.52 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.25/7.52 [2019-03-28 22:30:50,216 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.25/7.52 [2019-03-28 22:30:50,217 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.25/7.52 [2019-03-28 22:30:50,235 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.25/7.52 [2019-03-28 22:30:50,235 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~x~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=-4}, {ULTIMATE.start_main_~x~0=-3}, {ULTIMATE.start_main_~x~0=6}] Lambdas: [1, 1, 1] Nus: [0, 0] 16.25/7.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.25/7.52 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.25/7.52 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.25/7.52 [2019-03-28 22:30:50,265 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.25/7.52 [2019-03-28 22:30:50,265 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.25/7.52 [2019-03-28 22:30:50,293 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.25/7.52 [2019-03-28 22:30:50,294 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.25/7.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.25/7.52 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.25/7.52 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.25/7.52 [2019-03-28 22:30:50,301 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.25/7.52 [2019-03-28 22:30:50,301 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.25/7.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.25/7.52 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.25/7.52 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.25/7.52 [2019-03-28 22:30:50,335 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.25/7.52 [2019-03-28 22:30:50,336 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.25/7.52 [2019-03-28 22:30:50,585 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.25/7.52 [2019-03-28 22:30:50,588 INFO L216 LassoAnalysis]: Preferences: 16.25/7.52 [2019-03-28 22:30:50,589 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.25/7.52 [2019-03-28 22:30:50,589 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.25/7.52 [2019-03-28 22:30:50,589 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.25/7.52 [2019-03-28 22:30:50,589 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.25/7.52 [2019-03-28 22:30:50,589 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.25/7.52 [2019-03-28 22:30:50,589 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.25/7.52 [2019-03-28 22:30:50,589 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.25/7.52 [2019-03-28 22:30:50,590 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 16.25/7.52 [2019-03-28 22:30:50,590 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.25/7.52 [2019-03-28 22:30:50,590 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.25/7.52 [2019-03-28 22:30:50,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.25/7.52 [2019-03-28 22:30:50,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.25/7.52 [2019-03-28 22:30:50,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.25/7.52 [2019-03-28 22:30:50,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.25/7.52 [2019-03-28 22:30:50,649 INFO L300 LassoAnalysis]: Preprocessing complete. 16.25/7.52 [2019-03-28 22:30:50,649 INFO L497 LassoAnalysis]: Using template 'affine'. 16.25/7.52 [2019-03-28 22:30:50,649 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.25/7.52 Termination analysis: LINEAR_WITH_GUESSES 16.25/7.52 Number of strict supporting invariants: 0 16.25/7.52 Number of non-strict supporting invariants: 1 16.25/7.52 Consider only non-deceasing supporting invariants: true 16.25/7.52 Simplify termination arguments: true 16.25/7.52 Simplify supporting invariants: trueOverapproximate stem: false 16.25/7.52 [2019-03-28 22:30:50,650 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.25/7.52 [2019-03-28 22:30:50,651 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.25/7.52 [2019-03-28 22:30:50,651 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.25/7.52 [2019-03-28 22:30:50,651 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.25/7.52 [2019-03-28 22:30:50,653 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.25/7.52 [2019-03-28 22:30:50,653 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.25/7.52 [2019-03-28 22:30:50,657 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.25/7.52 [2019-03-28 22:30:50,657 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.25/7.52 Termination analysis: LINEAR_WITH_GUESSES 16.25/7.52 Number of strict supporting invariants: 0 16.25/7.52 Number of non-strict supporting invariants: 1 16.25/7.52 Consider only non-deceasing supporting invariants: true 16.25/7.52 Simplify termination arguments: true 16.25/7.52 Simplify supporting invariants: trueOverapproximate stem: false 16.25/7.52 [2019-03-28 22:30:50,658 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.25/7.52 [2019-03-28 22:30:50,658 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.25/7.52 [2019-03-28 22:30:50,659 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.25/7.52 [2019-03-28 22:30:50,659 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.25/7.52 [2019-03-28 22:30:50,659 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.25/7.52 [2019-03-28 22:30:50,660 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.25/7.52 [2019-03-28 22:30:50,660 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.25/7.52 [2019-03-28 22:30:50,663 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.25/7.52 [2019-03-28 22:30:50,664 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.25/7.52 Termination analysis: LINEAR_WITH_GUESSES 16.25/7.52 Number of strict supporting invariants: 0 16.25/7.52 Number of non-strict supporting invariants: 1 16.25/7.52 Consider only non-deceasing supporting invariants: true 16.25/7.52 Simplify termination arguments: true 16.25/7.52 Simplify supporting invariants: trueOverapproximate stem: false 16.25/7.52 [2019-03-28 22:30:50,664 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.25/7.52 [2019-03-28 22:30:50,664 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.25/7.52 [2019-03-28 22:30:50,664 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.25/7.52 [2019-03-28 22:30:50,665 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.25/7.52 [2019-03-28 22:30:50,666 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.25/7.52 [2019-03-28 22:30:50,666 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.25/7.52 [2019-03-28 22:30:50,671 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.25/7.52 [2019-03-28 22:30:50,671 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.25/7.52 Termination analysis: LINEAR_WITH_GUESSES 16.25/7.52 Number of strict supporting invariants: 0 16.25/7.52 Number of non-strict supporting invariants: 1 16.25/7.52 Consider only non-deceasing supporting invariants: true 16.25/7.52 Simplify termination arguments: true 16.25/7.52 Simplify supporting invariants: trueOverapproximate stem: false 16.25/7.52 [2019-03-28 22:30:50,672 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.25/7.52 [2019-03-28 22:30:50,673 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.25/7.52 [2019-03-28 22:30:50,673 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.25/7.52 [2019-03-28 22:30:50,673 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.25/7.52 [2019-03-28 22:30:50,673 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.25/7.52 [2019-03-28 22:30:50,674 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.25/7.52 [2019-03-28 22:30:50,674 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.25/7.52 [2019-03-28 22:30:50,677 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.25/7.52 [2019-03-28 22:30:50,681 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 16.25/7.52 [2019-03-28 22:30:50,681 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 16.25/7.52 [2019-03-28 22:30:50,681 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.25/7.52 [2019-03-28 22:30:50,682 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 16.25/7.52 [2019-03-28 22:30:50,682 INFO L518 LassoAnalysis]: Proved termination. 16.25/7.52 [2019-03-28 22:30:50,682 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.25/7.52 Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0) = 1*ULTIMATE.start_main_~y~0 - 1*ULTIMATE.start_main_~z~0 16.25/7.52 Supporting invariants [] 16.25/7.52 [2019-03-28 22:30:50,682 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 16.25/7.52 [2019-03-28 22:30:50,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.25/7.52 [2019-03-28 22:30:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.25/7.52 [2019-03-28 22:30:50,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core 16.25/7.52 [2019-03-28 22:30:50,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.25/7.52 [2019-03-28 22:30:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.25/7.52 [2019-03-28 22:30:50,709 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core 16.25/7.52 [2019-03-28 22:30:50,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.25/7.52 [2019-03-28 22:30:50,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.25/7.52 [2019-03-28 22:30:50,710 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 16.25/7.52 [2019-03-28 22:30:50,710 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates 16.25/7.52 [2019-03-28 22:30:50,710 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states and 3 transitions. cyclomatic complexity: 1 Second operand 2 states. 16.25/7.52 [2019-03-28 22:30:50,714 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states and 3 transitions. cyclomatic complexity: 1. Second operand 2 states. Result 4 states and 4 transitions. Complement of second has 2 states. 16.25/7.52 [2019-03-28 22:30:50,715 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 16.25/7.52 [2019-03-28 22:30:50,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 16.25/7.52 [2019-03-28 22:30:50,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 5 transitions. 16.25/7.52 [2019-03-28 22:30:50,716 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 2 letters. Loop has 1 letters. 16.25/7.52 [2019-03-28 22:30:50,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.25/7.52 [2019-03-28 22:30:50,716 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 3 letters. Loop has 1 letters. 16.25/7.52 [2019-03-28 22:30:50,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.25/7.52 [2019-03-28 22:30:50,716 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 2 letters. Loop has 2 letters. 16.25/7.52 [2019-03-28 22:30:50,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.25/7.52 [2019-03-28 22:30:50,717 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 4 transitions. 16.25/7.52 [2019-03-28 22:30:50,718 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 16.25/7.52 [2019-03-28 22:30:50,718 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 0 states and 0 transitions. 16.25/7.52 [2019-03-28 22:30:50,718 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 16.25/7.52 [2019-03-28 22:30:50,718 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 16.25/7.52 [2019-03-28 22:30:50,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 16.25/7.52 [2019-03-28 22:30:50,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.25/7.52 [2019-03-28 22:30:50,719 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.25/7.52 [2019-03-28 22:30:50,719 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.25/7.52 [2019-03-28 22:30:50,719 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.25/7.52 [2019-03-28 22:30:50,719 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 16.25/7.52 [2019-03-28 22:30:50,719 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 16.25/7.52 [2019-03-28 22:30:50,719 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 16.25/7.52 [2019-03-28 22:30:50,719 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 16.25/7.52 [2019-03-28 22:30:50,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:30:50 BasicIcfg 16.25/7.52 [2019-03-28 22:30:50,726 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 16.25/7.52 [2019-03-28 22:30:50,727 INFO L168 Benchmark]: Toolchain (without parser) took 3103.22 ms. Allocated memory was 649.6 MB in the beginning and 654.8 MB in the end (delta: 5.2 MB). Free memory was 564.5 MB in the beginning and 408.5 MB in the end (delta: 156.0 MB). Peak memory consumption was 161.2 MB. Max. memory is 50.3 GB. 16.25/7.52 [2019-03-28 22:30:50,728 INFO L168 Benchmark]: CDTParser took 0.16 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. 16.25/7.52 [2019-03-28 22:30:50,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.32 ms. Allocated memory is still 649.6 MB. Free memory was 564.5 MB in the beginning and 554.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 16.25/7.52 [2019-03-28 22:30:50,729 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.40 ms. Allocated memory was 649.6 MB in the beginning and 654.8 MB in the end (delta: 5.2 MB). Free memory was 554.6 MB in the beginning and 620.0 MB in the end (delta: -65.4 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 16.25/7.52 [2019-03-28 22:30:50,730 INFO L168 Benchmark]: Boogie Preprocessor took 20.46 ms. Allocated memory is still 654.8 MB. Free memory was 620.0 MB in the beginning and 619.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 16.25/7.52 [2019-03-28 22:30:50,731 INFO L168 Benchmark]: RCFGBuilder took 203.32 ms. Allocated memory is still 654.8 MB. Free memory was 619.0 MB in the beginning and 605.5 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 16.25/7.52 [2019-03-28 22:30:50,731 INFO L168 Benchmark]: BlockEncodingV2 took 75.20 ms. Allocated memory is still 654.8 MB. Free memory was 605.5 MB in the beginning and 600.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 16.25/7.52 [2019-03-28 22:30:50,732 INFO L168 Benchmark]: TraceAbstraction took 158.23 ms. Allocated memory is still 654.8 MB. Free memory was 599.0 MB in the beginning and 590.3 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 16.25/7.52 [2019-03-28 22:30:50,732 INFO L168 Benchmark]: BuchiAutomizer took 2301.84 ms. Allocated memory is still 654.8 MB. Free memory was 590.3 MB in the beginning and 408.5 MB in the end (delta: 181.8 MB). Peak memory consumption was 181.8 MB. Max. memory is 50.3 GB. 16.25/7.52 [2019-03-28 22:30:50,736 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 16.25/7.52 --- Results --- 16.25/7.52 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 16.25/7.52 - StatisticsResult: Initial Icfg 16.25/7.52 7 locations, 10 edges 16.25/7.52 - StatisticsResult: Encoded RCFG 16.25/7.52 3 locations, 4 edges 16.25/7.52 * Results from de.uni_freiburg.informatik.ultimate.core: 16.25/7.52 - StatisticsResult: Toolchain Benchmarks 16.25/7.52 Benchmark results are: 16.25/7.52 * CDTParser took 0.16 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. 16.25/7.52 * CACSL2BoogieTranslator took 240.32 ms. Allocated memory is still 649.6 MB. Free memory was 564.5 MB in the beginning and 554.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 16.25/7.52 * Boogie Procedure Inliner took 98.40 ms. Allocated memory was 649.6 MB in the beginning and 654.8 MB in the end (delta: 5.2 MB). Free memory was 554.6 MB in the beginning and 620.0 MB in the end (delta: -65.4 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 16.25/7.52 * Boogie Preprocessor took 20.46 ms. Allocated memory is still 654.8 MB. Free memory was 620.0 MB in the beginning and 619.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 16.25/7.52 * RCFGBuilder took 203.32 ms. Allocated memory is still 654.8 MB. Free memory was 619.0 MB in the beginning and 605.5 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 16.25/7.52 * BlockEncodingV2 took 75.20 ms. Allocated memory is still 654.8 MB. Free memory was 605.5 MB in the beginning and 600.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 16.25/7.52 * TraceAbstraction took 158.23 ms. Allocated memory is still 654.8 MB. Free memory was 599.0 MB in the beginning and 590.3 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 16.25/7.52 * BuchiAutomizer took 2301.84 ms. Allocated memory is still 654.8 MB. Free memory was 590.3 MB in the beginning and 408.5 MB in the end (delta: 181.8 MB). Peak memory consumption was 181.8 MB. Max. memory is 50.3 GB. 16.25/7.52 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 16.25/7.52 - AllSpecificationsHoldResult: All specifications hold 16.25/7.52 We were not able to verify any specifiation because the program does not contain any specification. 16.25/7.52 - InvariantResult [Line: 13]: Loop Invariant 16.25/7.52 Derived loop invariant: 1 16.25/7.52 - InvariantResult [Line: 14]: Loop Invariant 16.25/7.52 Derived loop invariant: 1 16.25/7.52 - StatisticsResult: Ultimate Automizer benchmark data 16.25/7.52 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 16.25/7.52 - StatisticsResult: Constructed decomposition of program 16.25/7.52 Your program was decomposed into 3 terminating modules (1 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function x + -1 * z and consists of 7 locations. One nondeterministic module has affine ranking function y + -1 * z and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. 16.25/7.52 - StatisticsResult: Timing statistics 16.25/7.52 BüchiAutomizer plugin needed 2.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 4 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/1 HoareTripleCheckerStatistics: 8 SDtfs, 10 SDslu, 0 SDs, 0 SdLazy, 32 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax168 hnf100 lsp50 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq168 hnf92 smp92 dnf100 smp100 tf110 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s 16.25/7.52 - TerminationAnalysisResult: Termination proven 16.25/7.52 Buchi Automizer proved that your program is terminating 16.25/7.52 RESULT: Ultimate proved your program to be correct! 16.25/7.52 !SESSION 2019-03-28 22:30:44.249 ----------------------------------------------- 16.25/7.52 eclipse.buildId=unknown 16.25/7.52 java.version=1.8.0_181 16.25/7.52 java.vendor=Oracle Corporation 16.25/7.52 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 16.25/7.52 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 16.25/7.52 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 16.25/7.52 16.25/7.52 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:30:50.970 16.25/7.52 !MESSAGE The workspace will exit with unsaved changes in this session. 16.25/7.52 Received shutdown request... 16.25/7.52 Ultimate: 16.25/7.52 GTK+ Version Check 16.25/7.52 EOF