16.85/8.49 YES 16.85/8.50 16.85/8.50 Ultimate: Cannot open display: 16.85/8.50 This is Ultimate 0.1.24-8dc7c08-m 16.85/8.50 [2019-03-28 22:30:47,720 INFO L170 SettingsManager]: Resetting all preferences to default values... 16.85/8.50 [2019-03-28 22:30:47,722 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 16.85/8.50 [2019-03-28 22:30:47,734 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 16.85/8.50 [2019-03-28 22:30:47,734 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 16.85/8.50 [2019-03-28 22:30:47,735 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 16.85/8.50 [2019-03-28 22:30:47,736 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 16.85/8.50 [2019-03-28 22:30:47,738 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 16.85/8.50 [2019-03-28 22:30:47,739 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 16.85/8.50 [2019-03-28 22:30:47,740 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 16.85/8.50 [2019-03-28 22:30:47,741 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 16.85/8.50 [2019-03-28 22:30:47,741 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 16.85/8.50 [2019-03-28 22:30:47,742 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 16.85/8.50 [2019-03-28 22:30:47,743 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 16.85/8.50 [2019-03-28 22:30:47,744 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 16.85/8.50 [2019-03-28 22:30:47,744 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 16.85/8.50 [2019-03-28 22:30:47,745 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 16.85/8.50 [2019-03-28 22:30:47,747 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 16.85/8.50 [2019-03-28 22:30:47,749 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 16.85/8.50 [2019-03-28 22:30:47,750 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 16.85/8.50 [2019-03-28 22:30:47,751 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 16.85/8.50 [2019-03-28 22:30:47,752 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 16.85/8.50 [2019-03-28 22:30:47,754 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 16.85/8.50 [2019-03-28 22:30:47,755 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 16.85/8.50 [2019-03-28 22:30:47,755 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 16.85/8.50 [2019-03-28 22:30:47,756 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 16.85/8.50 [2019-03-28 22:30:47,756 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 16.85/8.50 [2019-03-28 22:30:47,757 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 16.85/8.50 [2019-03-28 22:30:47,757 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 16.85/8.50 [2019-03-28 22:30:47,758 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 16.85/8.50 [2019-03-28 22:30:47,759 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 16.85/8.50 [2019-03-28 22:30:47,759 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 16.85/8.50 [2019-03-28 22:30:47,760 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 16.85/8.50 [2019-03-28 22:30:47,760 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 16.85/8.50 [2019-03-28 22:30:47,761 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 16.85/8.50 [2019-03-28 22:30:47,761 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 16.85/8.50 [2019-03-28 22:30:47,761 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 16.85/8.50 [2019-03-28 22:30:47,762 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 16.85/8.50 [2019-03-28 22:30:47,763 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 16.85/8.50 [2019-03-28 22:30:47,763 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 16.85/8.50 [2019-03-28 22:30:47,778 INFO L110 SettingsManager]: Loading preferences was successful 16.85/8.50 [2019-03-28 22:30:47,778 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 16.85/8.50 [2019-03-28 22:30:47,779 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 16.85/8.50 [2019-03-28 22:30:47,780 INFO L133 SettingsManager]: * Rewrite not-equals=true 16.85/8.50 [2019-03-28 22:30:47,780 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 16.85/8.50 [2019-03-28 22:30:47,780 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 16.85/8.50 [2019-03-28 22:30:47,780 INFO L133 SettingsManager]: * Use SBE=true 16.85/8.50 [2019-03-28 22:30:47,780 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 16.85/8.50 [2019-03-28 22:30:47,780 INFO L133 SettingsManager]: * Use old map elimination=false 16.85/8.50 [2019-03-28 22:30:47,781 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 16.85/8.50 [2019-03-28 22:30:47,781 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 16.85/8.50 [2019-03-28 22:30:47,781 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 16.85/8.50 [2019-03-28 22:30:47,781 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 16.85/8.50 [2019-03-28 22:30:47,781 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 16.85/8.50 [2019-03-28 22:30:47,781 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.85/8.50 [2019-03-28 22:30:47,782 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 16.85/8.50 [2019-03-28 22:30:47,782 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 16.85/8.50 [2019-03-28 22:30:47,782 INFO L133 SettingsManager]: * Check division by zero=IGNORE 16.85/8.50 [2019-03-28 22:30:47,782 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 16.85/8.50 [2019-03-28 22:30:47,782 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 16.85/8.50 [2019-03-28 22:30:47,782 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 16.85/8.50 [2019-03-28 22:30:47,783 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 16.85/8.50 [2019-03-28 22:30:47,783 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 16.85/8.50 [2019-03-28 22:30:47,783 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 16.85/8.50 [2019-03-28 22:30:47,783 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 16.85/8.50 [2019-03-28 22:30:47,783 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 16.85/8.50 [2019-03-28 22:30:47,784 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 16.85/8.50 [2019-03-28 22:30:47,784 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 16.85/8.50 [2019-03-28 22:30:47,784 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 16.85/8.50 [2019-03-28 22:30:47,810 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 16.85/8.50 [2019-03-28 22:30:47,823 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 16.85/8.50 [2019-03-28 22:30:47,826 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 16.85/8.50 [2019-03-28 22:30:47,828 INFO L271 PluginConnector]: Initializing CDTParser... 16.85/8.50 [2019-03-28 22:30:47,828 INFO L276 PluginConnector]: CDTParser initialized 16.85/8.50 [2019-03-28 22:30:47,829 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 16.85/8.50 [2019-03-28 22:30:47,889 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/7e336fb15ade4ed4b242e3ef912b5f45/FLAG1b1b94571 16.85/8.50 [2019-03-28 22:30:48,249 INFO L307 CDTParser]: Found 1 translation units. 16.85/8.50 [2019-03-28 22:30:48,249 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 16.85/8.50 [2019-03-28 22:30:48,257 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/7e336fb15ade4ed4b242e3ef912b5f45/FLAG1b1b94571 16.85/8.50 [2019-03-28 22:30:48,734 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/7e336fb15ade4ed4b242e3ef912b5f45 16.85/8.50 [2019-03-28 22:30:48,745 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 16.85/8.50 [2019-03-28 22:30:48,747 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 16.85/8.50 [2019-03-28 22:30:48,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 16.85/8.50 [2019-03-28 22:30:48,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 16.85/8.50 [2019-03-28 22:30:48,752 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 16.85/8.50 [2019-03-28 22:30:48,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:30:48" (1/1) ... 16.85/8.50 [2019-03-28 22:30:48,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@317d4fc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:48, skipping insertion in model container 16.85/8.50 [2019-03-28 22:30:48,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:30:48" (1/1) ... 16.85/8.50 [2019-03-28 22:30:48,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 16.85/8.50 [2019-03-28 22:30:48,782 INFO L176 MainTranslator]: Built tables and reachable declarations 16.85/8.50 [2019-03-28 22:30:48,938 INFO L206 PostProcessor]: Analyzing one entry point: main 16.85/8.50 [2019-03-28 22:30:48,943 INFO L191 MainTranslator]: Completed pre-run 16.85/8.50 [2019-03-28 22:30:48,960 INFO L206 PostProcessor]: Analyzing one entry point: main 16.85/8.50 [2019-03-28 22:30:48,975 INFO L195 MainTranslator]: Completed translation 16.85/8.50 [2019-03-28 22:30:48,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:48 WrapperNode 16.85/8.50 [2019-03-28 22:30:48,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 16.85/8.50 [2019-03-28 22:30:48,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 16.85/8.50 [2019-03-28 22:30:48,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 16.85/8.50 [2019-03-28 22:30:48,976 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 16.85/8.50 [2019-03-28 22:30:48,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:48" (1/1) ... 16.85/8.50 [2019-03-28 22:30:49,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:48" (1/1) ... 16.85/8.50 [2019-03-28 22:30:49,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 16.85/8.50 [2019-03-28 22:30:49,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 16.85/8.50 [2019-03-28 22:30:49,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 16.85/8.50 [2019-03-28 22:30:49,067 INFO L276 PluginConnector]: Boogie Preprocessor initialized 16.85/8.50 [2019-03-28 22:30:49,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:48" (1/1) ... 16.85/8.50 [2019-03-28 22:30:49,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:48" (1/1) ... 16.85/8.50 [2019-03-28 22:30:49,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:48" (1/1) ... 16.85/8.50 [2019-03-28 22:30:49,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:48" (1/1) ... 16.85/8.50 [2019-03-28 22:30:49,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:48" (1/1) ... 16.85/8.50 [2019-03-28 22:30:49,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:48" (1/1) ... 16.85/8.50 [2019-03-28 22:30:49,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:48" (1/1) ... 16.85/8.50 [2019-03-28 22:30:49,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 16.85/8.50 [2019-03-28 22:30:49,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 16.85/8.50 [2019-03-28 22:30:49,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... 16.85/8.50 [2019-03-28 22:30:49,088 INFO L276 PluginConnector]: RCFGBuilder initialized 16.85/8.50 [2019-03-28 22:30:49,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:48" (1/1) ... 16.85/8.50 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.85/8.50 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 16.85/8.50 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 16.85/8.50 [2019-03-28 22:30:49,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 16.85/8.50 [2019-03-28 22:30:49,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 16.85/8.50 [2019-03-28 22:30:49,281 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 16.85/8.50 [2019-03-28 22:30:49,281 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 16.85/8.50 [2019-03-28 22:30:49,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:30:49 BoogieIcfgContainer 16.85/8.50 [2019-03-28 22:30:49,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 16.85/8.50 [2019-03-28 22:30:49,283 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 16.85/8.50 [2019-03-28 22:30:49,284 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 16.85/8.50 [2019-03-28 22:30:49,286 INFO L276 PluginConnector]: BlockEncodingV2 initialized 16.85/8.50 [2019-03-28 22:30:49,287 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:30:49" (1/1) ... 16.85/8.50 [2019-03-28 22:30:49,302 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 16.85/8.50 [2019-03-28 22:30:49,303 INFO L258 BlockEncoder]: Using Remove infeasible edges 16.85/8.50 [2019-03-28 22:30:49,304 INFO L263 BlockEncoder]: Using Maximize final states 16.85/8.50 [2019-03-28 22:30:49,305 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 16.85/8.50 [2019-03-28 22:30:49,305 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 16.85/8.50 [2019-03-28 22:30:49,307 INFO L296 BlockEncoder]: Using Remove sink states 16.85/8.50 [2019-03-28 22:30:49,308 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 16.85/8.50 [2019-03-28 22:30:49,308 INFO L179 BlockEncoder]: Using Rewrite not-equals 16.85/8.50 [2019-03-28 22:30:49,323 INFO L185 BlockEncoder]: Using Use SBE 16.85/8.50 [2019-03-28 22:30:49,331 INFO L200 BlockEncoder]: SBE split 0 edges 16.85/8.50 [2019-03-28 22:30:49,336 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 16.85/8.50 [2019-03-28 22:30:49,338 INFO L71 MaximizeFinalStates]: 0 new accepting states 16.85/8.50 [2019-03-28 22:30:49,356 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 16.85/8.50 [2019-03-28 22:30:49,358 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 16.85/8.50 [2019-03-28 22:30:49,360 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 16.85/8.50 [2019-03-28 22:30:49,360 INFO L71 MaximizeFinalStates]: 0 new accepting states 16.85/8.50 [2019-03-28 22:30:49,360 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 16.85/8.50 [2019-03-28 22:30:49,360 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 16.85/8.50 [2019-03-28 22:30:49,361 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 6 edges 16.85/8.50 [2019-03-28 22:30:49,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:30:49 BasicIcfg 16.85/8.50 [2019-03-28 22:30:49,362 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 16.85/8.50 [2019-03-28 22:30:49,363 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 16.85/8.50 [2019-03-28 22:30:49,363 INFO L271 PluginConnector]: Initializing TraceAbstraction... 16.85/8.50 [2019-03-28 22:30:49,366 INFO L276 PluginConnector]: TraceAbstraction initialized 16.85/8.50 [2019-03-28 22:30:49,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:30:48" (1/4) ... 16.85/8.50 [2019-03-28 22:30:49,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24824a44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:30:49, skipping insertion in model container 16.85/8.50 [2019-03-28 22:30:49,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:48" (2/4) ... 16.85/8.50 [2019-03-28 22:30:49,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24824a44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:30:49, skipping insertion in model container 16.85/8.50 [2019-03-28 22:30:49,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:30:49" (3/4) ... 16.85/8.50 [2019-03-28 22:30:49,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24824a44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:30:49, skipping insertion in model container 16.85/8.50 [2019-03-28 22:30:49,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:30:49" (4/4) ... 16.85/8.50 [2019-03-28 22:30:49,371 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 16.85/8.50 [2019-03-28 22:30:49,382 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 16.85/8.50 [2019-03-28 22:30:49,390 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 16.85/8.50 [2019-03-28 22:30:49,407 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 16.85/8.50 [2019-03-28 22:30:49,436 INFO L133 ementStrategyFactory]: Using default assertion order modulation 16.85/8.50 [2019-03-28 22:30:49,437 INFO L382 AbstractCegarLoop]: Interprodecural is true 16.85/8.50 [2019-03-28 22:30:49,437 INFO L383 AbstractCegarLoop]: Hoare is true 16.85/8.50 [2019-03-28 22:30:49,437 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 16.85/8.50 [2019-03-28 22:30:49,437 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 16.85/8.50 [2019-03-28 22:30:49,438 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 16.85/8.50 [2019-03-28 22:30:49,438 INFO L387 AbstractCegarLoop]: Difference is false 16.85/8.50 [2019-03-28 22:30:49,438 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 16.85/8.50 [2019-03-28 22:30:49,438 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 16.85/8.50 [2019-03-28 22:30:49,452 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. 16.85/8.50 [2019-03-28 22:30:49,458 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 16.85/8.50 [2019-03-28 22:30:49,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. 16.85/8.50 [2019-03-28 22:30:49,465 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 16.85/8.50 [2019-03-28 22:30:49,465 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 29) no Hoare annotation was computed. 16.85/8.50 [2019-03-28 22:30:49,465 INFO L448 ceAbstractionStarter]: For program point L25-2(lines 13 32) no Hoare annotation was computed. 16.85/8.50 [2019-03-28 22:30:49,465 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 23) no Hoare annotation was computed. 16.85/8.50 [2019-03-28 22:30:49,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:30:49 BasicIcfg 16.85/8.50 [2019-03-28 22:30:49,469 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 16.85/8.50 [2019-03-28 22:30:49,469 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 16.85/8.50 [2019-03-28 22:30:49,469 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 16.85/8.50 [2019-03-28 22:30:49,473 INFO L276 PluginConnector]: BuchiAutomizer initialized 16.85/8.50 [2019-03-28 22:30:49,474 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.85/8.50 [2019-03-28 22:30:49,474 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:30:48" (1/5) ... 16.85/8.50 [2019-03-28 22:30:49,474 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5bce9ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:30:49, skipping insertion in model container 16.85/8.50 [2019-03-28 22:30:49,475 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.85/8.50 [2019-03-28 22:30:49,475 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:30:48" (2/5) ... 16.85/8.50 [2019-03-28 22:30:49,475 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5bce9ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:30:49, skipping insertion in model container 16.85/8.50 [2019-03-28 22:30:49,475 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.85/8.50 [2019-03-28 22:30:49,475 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:30:49" (3/5) ... 16.85/8.50 [2019-03-28 22:30:49,476 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5bce9ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:30:49, skipping insertion in model container 16.85/8.50 [2019-03-28 22:30:49,476 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.85/8.50 [2019-03-28 22:30:49,476 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:30:49" (4/5) ... 16.85/8.50 [2019-03-28 22:30:49,477 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5bce9ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:30:49, skipping insertion in model container 16.85/8.50 [2019-03-28 22:30:49,477 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.85/8.50 [2019-03-28 22:30:49,477 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:30:49" (5/5) ... 16.85/8.50 [2019-03-28 22:30:49,478 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 16.85/8.50 [2019-03-28 22:30:49,505 INFO L133 ementStrategyFactory]: Using default assertion order modulation 16.85/8.50 [2019-03-28 22:30:49,505 INFO L374 BuchiCegarLoop]: Interprodecural is true 16.85/8.50 [2019-03-28 22:30:49,505 INFO L375 BuchiCegarLoop]: Hoare is true 16.85/8.50 [2019-03-28 22:30:49,505 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 16.85/8.50 [2019-03-28 22:30:49,505 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 16.85/8.50 [2019-03-28 22:30:49,506 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 16.85/8.50 [2019-03-28 22:30:49,506 INFO L379 BuchiCegarLoop]: Difference is false 16.85/8.50 [2019-03-28 22:30:49,506 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 16.85/8.50 [2019-03-28 22:30:49,506 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 16.85/8.50 [2019-03-28 22:30:49,509 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 16.85/8.50 [2019-03-28 22:30:49,526 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 16.85/8.50 [2019-03-28 22:30:49,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.85/8.50 [2019-03-28 22:30:49,527 INFO L119 BuchiIsEmpty]: Starting construction of run 16.85/8.50 [2019-03-28 22:30:49,534 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 16.85/8.50 [2019-03-28 22:30:49,535 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 16.85/8.50 [2019-03-28 22:30:49,535 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 16.85/8.50 [2019-03-28 22:30:49,535 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 16.85/8.50 [2019-03-28 22:30:49,535 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 16.85/8.50 [2019-03-28 22:30:49,536 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.85/8.50 [2019-03-28 22:30:49,536 INFO L119 BuchiIsEmpty]: Starting construction of run 16.85/8.50 [2019-03-28 22:30:49,536 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 16.85/8.50 [2019-03-28 22:30:49,536 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 16.85/8.50 [2019-03-28 22:30:49,542 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [30] ULTIMATE.startENTRY-->L19: Formula: (and (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~n~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|) (= v_ULTIMATE.start_main_~b~0_1 |v_ULTIMATE.start_main_#t~nondet3_4|) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet3_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~b~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~t~0] 5#L19true [40] L19-->L25-2: Formula: (and (> 1 v_ULTIMATE.start_main_~b~0_9) (= v_ULTIMATE.start_main_~t~0_7 (- 1))) InVars {ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_9} OutVars{ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_9, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~t~0] 4#L25-2true 16.85/8.50 [2019-03-28 22:30:49,542 INFO L796 eck$LassoCheckResult]: Loop: 4#L25-2true [33] L25-2-->L25: Formula: (<= v_ULTIMATE.start_main_~x~0_11 v_ULTIMATE.start_main_~n~0_7) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[] 6#L25true [38] L25-->L25-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_6 (+ v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~t~0_4)) (<= 1 v_ULTIMATE.start_main_~b~0_6)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_6, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_4} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_6, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 4#L25-2true 16.85/8.50 [2019-03-28 22:30:49,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.85/8.50 [2019-03-28 22:30:49,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1931, now seen corresponding path program 1 times 16.85/8.50 [2019-03-28 22:30:49,551 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.85/8.50 [2019-03-28 22:30:49,551 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.85/8.50 [2019-03-28 22:30:49,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:49,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:49,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.85/8.50 [2019-03-28 22:30:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.85/8.50 [2019-03-28 22:30:49,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.85/8.50 [2019-03-28 22:30:49,660 INFO L82 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 1 times 16.85/8.50 [2019-03-28 22:30:49,660 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.85/8.50 [2019-03-28 22:30:49,660 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.85/8.50 [2019-03-28 22:30:49,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:49,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:49,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.85/8.50 [2019-03-28 22:30:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.85/8.50 [2019-03-28 22:30:49,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.85/8.50 [2019-03-28 22:30:49,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1856752, now seen corresponding path program 1 times 16.85/8.50 [2019-03-28 22:30:49,673 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.85/8.50 [2019-03-28 22:30:49,673 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.85/8.50 [2019-03-28 22:30:49,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:49,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:49,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.85/8.50 [2019-03-28 22:30:49,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.85/8.50 [2019-03-28 22:30:49,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 16.85/8.50 [2019-03-28 22:30:49,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 16.85/8.50 [2019-03-28 22:30:49,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 16.85/8.50 [2019-03-28 22:30:49,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 16.85/8.50 [2019-03-28 22:30:49,782 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 3 states. 16.85/8.50 [2019-03-28 22:30:49,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 16.85/8.50 [2019-03-28 22:30:49,814 INFO L93 Difference]: Finished difference Result 6 states and 8 transitions. 16.85/8.50 [2019-03-28 22:30:49,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 16.85/8.50 [2019-03-28 22:30:49,818 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 8 transitions. 16.85/8.50 [2019-03-28 22:30:49,818 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 16.85/8.50 [2019-03-28 22:30:49,822 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 8 transitions. 16.85/8.50 [2019-03-28 22:30:49,823 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 16.85/8.50 [2019-03-28 22:30:49,824 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 16.85/8.50 [2019-03-28 22:30:49,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 8 transitions. 16.85/8.50 [2019-03-28 22:30:49,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.85/8.50 [2019-03-28 22:30:49,825 INFO L706 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. 16.85/8.50 [2019-03-28 22:30:49,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 8 transitions. 16.85/8.50 [2019-03-28 22:30:49,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. 16.85/8.50 [2019-03-28 22:30:49,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. 16.85/8.50 [2019-03-28 22:30:49,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. 16.85/8.50 [2019-03-28 22:30:49,855 INFO L729 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. 16.85/8.50 [2019-03-28 22:30:49,855 INFO L609 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. 16.85/8.50 [2019-03-28 22:30:49,856 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 16.85/8.50 [2019-03-28 22:30:49,856 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. 16.85/8.50 [2019-03-28 22:30:49,856 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 16.85/8.50 [2019-03-28 22:30:49,856 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.85/8.50 [2019-03-28 22:30:49,857 INFO L119 BuchiIsEmpty]: Starting construction of run 16.85/8.50 [2019-03-28 22:30:49,857 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 16.85/8.50 [2019-03-28 22:30:49,857 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 16.85/8.50 [2019-03-28 22:30:49,860 INFO L794 eck$LassoCheckResult]: Stem: 21#ULTIMATE.startENTRY [30] ULTIMATE.startENTRY-->L19: Formula: (and (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~n~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|) (= v_ULTIMATE.start_main_~b~0_1 |v_ULTIMATE.start_main_#t~nondet3_4|) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet3_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~b~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~t~0] 22#L19 [35] L19-->L25-2: Formula: (and (= v_ULTIMATE.start_main_~t~0_5 1) (<= 1 v_ULTIMATE.start_main_~b~0_7)) InVars {ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_7} OutVars{ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_7, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~t~0] 23#L25-2 16.85/8.50 [2019-03-28 22:30:49,861 INFO L796 eck$LassoCheckResult]: Loop: 23#L25-2 [33] L25-2-->L25: Formula: (<= v_ULTIMATE.start_main_~x~0_11 v_ULTIMATE.start_main_~n~0_7) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[] 24#L25 [38] L25-->L25-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_6 (+ v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~t~0_4)) (<= 1 v_ULTIMATE.start_main_~b~0_6)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_6, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_4} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_6, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 23#L25-2 16.85/8.50 [2019-03-28 22:30:49,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.85/8.50 [2019-03-28 22:30:49,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times 16.85/8.50 [2019-03-28 22:30:49,861 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.85/8.50 [2019-03-28 22:30:49,861 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.85/8.50 [2019-03-28 22:30:49,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:49,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:49,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.85/8.50 [2019-03-28 22:30:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.85/8.50 [2019-03-28 22:30:49,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.85/8.50 [2019-03-28 22:30:49,871 INFO L82 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 2 times 16.85/8.50 [2019-03-28 22:30:49,871 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.85/8.50 [2019-03-28 22:30:49,871 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.85/8.50 [2019-03-28 22:30:49,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:49,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:49,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:49,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.85/8.50 [2019-03-28 22:30:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.85/8.50 [2019-03-28 22:30:49,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.85/8.50 [2019-03-28 22:30:49,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1851947, now seen corresponding path program 1 times 16.85/8.50 [2019-03-28 22:30:49,879 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.85/8.50 [2019-03-28 22:30:49,879 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.85/8.50 [2019-03-28 22:30:49,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:49,881 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:49,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.85/8.50 [2019-03-28 22:30:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.85/8.50 [2019-03-28 22:30:49,954 INFO L216 LassoAnalysis]: Preferences: 16.85/8.50 [2019-03-28 22:30:49,955 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.85/8.50 [2019-03-28 22:30:49,955 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.85/8.50 [2019-03-28 22:30:49,955 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.85/8.50 [2019-03-28 22:30:49,956 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.85/8.50 [2019-03-28 22:30:49,956 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.85/8.50 [2019-03-28 22:30:49,956 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.85/8.50 [2019-03-28 22:30:49,956 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.85/8.50 [2019-03-28 22:30:49,956 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso 16.85/8.50 [2019-03-28 22:30:49,956 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.85/8.50 [2019-03-28 22:30:49,957 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.85/8.50 [2019-03-28 22:30:49,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:49,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:49,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:49,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:50,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:50,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:50,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:50,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:50,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:50,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:50,126 INFO L300 LassoAnalysis]: Preprocessing complete. 16.85/8.50 [2019-03-28 22:30:50,126 INFO L412 LassoAnalysis]: Checking for nontermination... 16.85/8.50 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.85/8.50 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.85/8.50 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.85/8.50 [2019-03-28 22:30:50,133 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.85/8.50 [2019-03-28 22:30:50,133 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.85/8.50 [2019-03-28 22:30:50,141 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.85/8.50 [2019-03-28 22:30:50,141 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.85/8.50 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.85/8.50 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.85/8.50 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.85/8.50 [2019-03-28 22:30:50,170 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.85/8.50 [2019-03-28 22:30:50,171 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.85/8.50 [2019-03-28 22:30:50,198 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.85/8.50 [2019-03-28 22:30:50,198 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: [] 16.85/8.50 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.85/8.50 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.85/8.50 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.85/8.50 [2019-03-28 22:30:50,223 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.85/8.50 [2019-03-28 22:30:50,223 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.85/8.50 [2019-03-28 22:30:50,227 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.85/8.50 [2019-03-28 22:30:50,227 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.85/8.50 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.85/8.50 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.85/8.50 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.85/8.50 [2019-03-28 22:30:50,256 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.85/8.50 [2019-03-28 22:30:50,257 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.85/8.50 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.85/8.50 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.85/8.50 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.85/8.50 [2019-03-28 22:30:50,291 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.85/8.50 [2019-03-28 22:30:50,291 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.85/8.50 [2019-03-28 22:30:50,869 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.85/8.50 [2019-03-28 22:30:50,872 INFO L216 LassoAnalysis]: Preferences: 16.85/8.50 [2019-03-28 22:30:50,872 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.85/8.50 [2019-03-28 22:30:50,872 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.85/8.50 [2019-03-28 22:30:50,873 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.85/8.50 [2019-03-28 22:30:50,873 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.85/8.50 [2019-03-28 22:30:50,873 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.85/8.50 [2019-03-28 22:30:50,873 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.85/8.50 [2019-03-28 22:30:50,873 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.85/8.50 [2019-03-28 22:30:50,873 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso 16.85/8.50 [2019-03-28 22:30:50,873 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.85/8.50 [2019-03-28 22:30:50,874 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.85/8.50 [2019-03-28 22:30:50,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:50,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:50,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:50,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:50,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:50,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:50,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:50,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:50,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:50,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:50,986 INFO L300 LassoAnalysis]: Preprocessing complete. 16.85/8.50 [2019-03-28 22:30:50,992 INFO L497 LassoAnalysis]: Using template 'affine'. 16.85/8.50 [2019-03-28 22:30:50,994 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.85/8.50 Termination analysis: LINEAR_WITH_GUESSES 16.85/8.50 Number of strict supporting invariants: 0 16.85/8.50 Number of non-strict supporting invariants: 1 16.85/8.50 Consider only non-deceasing supporting invariants: true 16.85/8.50 Simplify termination arguments: true 16.85/8.50 Simplify supporting invariants: trueOverapproximate stem: false 16.85/8.50 [2019-03-28 22:30:50,995 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.85/8.50 [2019-03-28 22:30:50,996 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.85/8.50 [2019-03-28 22:30:50,996 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.85/8.50 [2019-03-28 22:30:50,996 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.85/8.50 [2019-03-28 22:30:50,997 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.85/8.50 [2019-03-28 22:30:50,999 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.85/8.50 [2019-03-28 22:30:50,999 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.85/8.50 [2019-03-28 22:30:51,003 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.85/8.50 [2019-03-28 22:30:51,003 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.85/8.50 Termination analysis: LINEAR_WITH_GUESSES 16.85/8.50 Number of strict supporting invariants: 0 16.85/8.50 Number of non-strict supporting invariants: 1 16.85/8.50 Consider only non-deceasing supporting invariants: true 16.85/8.50 Simplify termination arguments: true 16.85/8.50 Simplify supporting invariants: trueOverapproximate stem: false 16.85/8.50 [2019-03-28 22:30:51,004 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.85/8.50 [2019-03-28 22:30:51,004 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.85/8.50 [2019-03-28 22:30:51,004 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.85/8.50 [2019-03-28 22:30:51,004 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.85/8.50 [2019-03-28 22:30:51,007 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.85/8.50 [2019-03-28 22:30:51,007 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.85/8.50 [2019-03-28 22:30:51,013 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.85/8.50 [2019-03-28 22:30:51,013 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.85/8.50 Termination analysis: LINEAR_WITH_GUESSES 16.85/8.50 Number of strict supporting invariants: 0 16.85/8.50 Number of non-strict supporting invariants: 1 16.85/8.50 Consider only non-deceasing supporting invariants: true 16.85/8.50 Simplify termination arguments: true 16.85/8.50 Simplify supporting invariants: trueOverapproximate stem: false 16.85/8.50 [2019-03-28 22:30:51,014 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.85/8.50 [2019-03-28 22:30:51,014 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.85/8.50 [2019-03-28 22:30:51,014 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.85/8.50 [2019-03-28 22:30:51,014 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.85/8.50 [2019-03-28 22:30:51,018 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.85/8.50 [2019-03-28 22:30:51,018 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.85/8.50 [2019-03-28 22:30:51,044 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.85/8.50 [2019-03-28 22:30:51,057 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 16.85/8.50 [2019-03-28 22:30:51,057 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. 16.85/8.50 [2019-03-28 22:30:51,060 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.85/8.50 [2019-03-28 22:30:51,062 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. 16.85/8.50 [2019-03-28 22:30:51,062 INFO L518 LassoAnalysis]: Proved termination. 16.85/8.50 [2019-03-28 22:30:51,063 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.85/8.50 Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~x~0) = 2*ULTIMATE.start_main_~n~0 - 2*ULTIMATE.start_main_~x~0 + 1 16.85/8.50 Supporting invariants [1*ULTIMATE.start_main_~t~0 - 1 >= 0] 16.85/8.50 [2019-03-28 22:30:51,067 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed 16.85/8.50 [2019-03-28 22:30:51,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.85/8.50 [2019-03-28 22:30:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.85/8.50 [2019-03-28 22:30:51,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 3 conjunts are in the unsatisfiable core 16.85/8.50 [2019-03-28 22:30:51,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.85/8.50 [2019-03-28 22:30:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.85/8.50 [2019-03-28 22:30:51,136 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core 16.85/8.50 [2019-03-28 22:30:51,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.85/8.50 [2019-03-28 22:30:51,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.85/8.50 [2019-03-28 22:30:51,199 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 16.85/8.50 [2019-03-28 22:30:51,202 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 3 loop predicates 16.85/8.50 [2019-03-28 22:30:51,203 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 6 states and 8 transitions. cyclomatic complexity: 4 Second operand 3 states. 16.85/8.50 [2019-03-28 22:30:51,284 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 6 states and 8 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 12 states and 16 transitions. Complement of second has 6 states. 16.85/8.50 [2019-03-28 22:30:51,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states 16.85/8.50 [2019-03-28 22:30:51,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 16.85/8.50 [2019-03-28 22:30:51,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. 16.85/8.50 [2019-03-28 22:30:51,288 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. 16.85/8.50 [2019-03-28 22:30:51,289 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.85/8.50 [2019-03-28 22:30:51,289 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. 16.85/8.50 [2019-03-28 22:30:51,290 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.85/8.50 [2019-03-28 22:30:51,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. 16.85/8.50 [2019-03-28 22:30:51,290 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.85/8.50 [2019-03-28 22:30:51,295 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 16 transitions. 16.85/8.50 [2019-03-28 22:30:51,296 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 16.85/8.50 [2019-03-28 22:30:51,296 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 10 states and 13 transitions. 16.85/8.50 [2019-03-28 22:30:51,297 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 16.85/8.50 [2019-03-28 22:30:51,297 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 16.85/8.50 [2019-03-28 22:30:51,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. 16.85/8.50 [2019-03-28 22:30:51,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 16.85/8.50 [2019-03-28 22:30:51,297 INFO L706 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. 16.85/8.50 [2019-03-28 22:30:51,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. 16.85/8.50 [2019-03-28 22:30:51,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 7. 16.85/8.50 [2019-03-28 22:30:51,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 16.85/8.50 [2019-03-28 22:30:51,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. 16.85/8.50 [2019-03-28 22:30:51,299 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 16.85/8.50 [2019-03-28 22:30:51,300 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 16.85/8.50 [2019-03-28 22:30:51,300 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 16.85/8.50 [2019-03-28 22:30:51,300 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. 16.85/8.50 [2019-03-28 22:30:51,300 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 16.85/8.50 [2019-03-28 22:30:51,300 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.85/8.50 [2019-03-28 22:30:51,301 INFO L119 BuchiIsEmpty]: Starting construction of run 16.85/8.50 [2019-03-28 22:30:51,301 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 16.85/8.50 [2019-03-28 22:30:51,301 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 16.85/8.50 [2019-03-28 22:30:51,301 INFO L794 eck$LassoCheckResult]: Stem: 86#ULTIMATE.startENTRY [30] ULTIMATE.startENTRY-->L19: Formula: (and (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~n~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|) (= v_ULTIMATE.start_main_~b~0_1 |v_ULTIMATE.start_main_#t~nondet3_4|) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet3_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~b~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~t~0] 87#L19 [40] L19-->L25-2: Formula: (and (> 1 v_ULTIMATE.start_main_~b~0_9) (= v_ULTIMATE.start_main_~t~0_7 (- 1))) InVars {ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_9} OutVars{ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_9, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~t~0] 88#L25-2 16.85/8.50 [2019-03-28 22:30:51,301 INFO L796 eck$LassoCheckResult]: Loop: 88#L25-2 [33] L25-2-->L25: Formula: (<= v_ULTIMATE.start_main_~x~0_11 v_ULTIMATE.start_main_~n~0_7) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[] 89#L25 [42] L25-->L25-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_8 (+ (* (- 1) v_ULTIMATE.start_main_~t~0_6) v_ULTIMATE.start_main_~x~0_9)) (> 1 v_ULTIMATE.start_main_~b~0_8)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_8, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_6} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_8, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 88#L25-2 16.85/8.50 [2019-03-28 22:30:51,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.85/8.50 [2019-03-28 22:30:51,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1931, now seen corresponding path program 2 times 16.85/8.50 [2019-03-28 22:30:51,302 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.85/8.50 [2019-03-28 22:30:51,302 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.85/8.50 [2019-03-28 22:30:51,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:51,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:51,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.85/8.50 [2019-03-28 22:30:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.85/8.50 [2019-03-28 22:30:51,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.85/8.50 [2019-03-28 22:30:51,311 INFO L82 PathProgramCache]: Analyzing trace with hash 2026, now seen corresponding path program 1 times 16.85/8.50 [2019-03-28 22:30:51,311 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.85/8.50 [2019-03-28 22:30:51,311 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.85/8.50 [2019-03-28 22:30:51,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:51,313 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:51,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.85/8.50 [2019-03-28 22:30:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.85/8.50 [2019-03-28 22:30:51,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.85/8.50 [2019-03-28 22:30:51,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1856756, now seen corresponding path program 1 times 16.85/8.50 [2019-03-28 22:30:51,318 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.85/8.50 [2019-03-28 22:30:51,318 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.85/8.50 [2019-03-28 22:30:51,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:51,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:51,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.85/8.50 [2019-03-28 22:30:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.85/8.50 [2019-03-28 22:30:51,360 INFO L216 LassoAnalysis]: Preferences: 16.85/8.50 [2019-03-28 22:30:51,360 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.85/8.50 [2019-03-28 22:30:51,360 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.85/8.50 [2019-03-28 22:30:51,360 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.85/8.50 [2019-03-28 22:30:51,360 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.85/8.50 [2019-03-28 22:30:51,360 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.85/8.50 [2019-03-28 22:30:51,361 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.85/8.50 [2019-03-28 22:30:51,361 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.85/8.50 [2019-03-28 22:30:51,361 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso 16.85/8.50 [2019-03-28 22:30:51,361 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.85/8.50 [2019-03-28 22:30:51,361 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.85/8.50 [2019-03-28 22:30:51,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:51,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:51,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:51,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:51,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:51,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:51,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:51,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:51,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:51,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:51,493 INFO L300 LassoAnalysis]: Preprocessing complete. 16.85/8.50 [2019-03-28 22:30:51,493 INFO L412 LassoAnalysis]: Checking for nontermination... 16.85/8.50 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.85/8.50 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.85/8.50 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.85/8.50 [2019-03-28 22:30:51,497 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.85/8.50 [2019-03-28 22:30:51,497 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.85/8.50 [2019-03-28 22:30:51,525 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.85/8.50 [2019-03-28 22:30:51,526 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: [] 16.85/8.50 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.85/8.50 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.85/8.50 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.85/8.50 [2019-03-28 22:30:51,534 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.85/8.50 [2019-03-28 22:30:51,534 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.85/8.50 [2019-03-28 22:30:51,538 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.85/8.50 [2019-03-28 22:30:51,538 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0=0} Honda state: {ULTIMATE.start_main_~i~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.85/8.50 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.85/8.50 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.85/8.50 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.85/8.50 [2019-03-28 22:30:51,568 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.85/8.50 [2019-03-28 22:30:51,568 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.85/8.50 [2019-03-28 22:30:51,596 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.85/8.50 [2019-03-28 22:30:51,597 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: [] 16.85/8.50 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.85/8.50 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.85/8.50 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.85/8.50 [2019-03-28 22:30:51,603 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.85/8.50 [2019-03-28 22:30:51,604 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.85/8.50 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.85/8.50 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.85/8.50 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.85/8.50 [2019-03-28 22:30:51,637 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.85/8.50 [2019-03-28 22:30:51,637 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.85/8.50 [2019-03-28 22:30:52,132 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.85/8.50 [2019-03-28 22:30:52,136 INFO L216 LassoAnalysis]: Preferences: 16.85/8.50 [2019-03-28 22:30:52,136 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.85/8.50 [2019-03-28 22:30:52,136 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.85/8.50 [2019-03-28 22:30:52,136 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.85/8.50 [2019-03-28 22:30:52,136 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.85/8.50 [2019-03-28 22:30:52,136 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.85/8.50 [2019-03-28 22:30:52,137 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.85/8.50 [2019-03-28 22:30:52,137 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.85/8.50 [2019-03-28 22:30:52,137 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso 16.85/8.50 [2019-03-28 22:30:52,137 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.85/8.50 [2019-03-28 22:30:52,137 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.85/8.50 [2019-03-28 22:30:52,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:52,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:52,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:52,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:52,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:52,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:52,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:52,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:52,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:52,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.85/8.50 [2019-03-28 22:30:52,232 INFO L300 LassoAnalysis]: Preprocessing complete. 16.85/8.50 [2019-03-28 22:30:52,232 INFO L497 LassoAnalysis]: Using template 'affine'. 16.85/8.50 [2019-03-28 22:30:52,233 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.85/8.50 Termination analysis: LINEAR_WITH_GUESSES 16.85/8.50 Number of strict supporting invariants: 0 16.85/8.50 Number of non-strict supporting invariants: 1 16.85/8.50 Consider only non-deceasing supporting invariants: true 16.85/8.50 Simplify termination arguments: true 16.85/8.50 Simplify supporting invariants: trueOverapproximate stem: false 16.85/8.50 [2019-03-28 22:30:52,234 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.85/8.50 [2019-03-28 22:30:52,234 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.85/8.50 [2019-03-28 22:30:52,235 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.85/8.50 [2019-03-28 22:30:52,235 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.85/8.50 [2019-03-28 22:30:52,235 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.85/8.50 [2019-03-28 22:30:52,235 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.85/8.50 [2019-03-28 22:30:52,235 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.85/8.50 [2019-03-28 22:30:52,236 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.85/8.50 [2019-03-28 22:30:52,237 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.85/8.50 Termination analysis: LINEAR_WITH_GUESSES 16.85/8.50 Number of strict supporting invariants: 0 16.85/8.50 Number of non-strict supporting invariants: 1 16.85/8.50 Consider only non-deceasing supporting invariants: true 16.85/8.50 Simplify termination arguments: true 16.85/8.50 Simplify supporting invariants: trueOverapproximate stem: false 16.85/8.50 [2019-03-28 22:30:52,237 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.85/8.50 [2019-03-28 22:30:52,238 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.85/8.50 [2019-03-28 22:30:52,238 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.85/8.50 [2019-03-28 22:30:52,238 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.85/8.50 [2019-03-28 22:30:52,239 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.85/8.50 [2019-03-28 22:30:52,240 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.85/8.50 [2019-03-28 22:30:52,243 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.85/8.50 [2019-03-28 22:30:52,243 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.85/8.50 Termination analysis: LINEAR_WITH_GUESSES 16.85/8.50 Number of strict supporting invariants: 0 16.85/8.50 Number of non-strict supporting invariants: 1 16.85/8.50 Consider only non-deceasing supporting invariants: true 16.85/8.50 Simplify termination arguments: true 16.85/8.50 Simplify supporting invariants: trueOverapproximate stem: false 16.85/8.50 [2019-03-28 22:30:52,244 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.85/8.50 [2019-03-28 22:30:52,244 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.85/8.50 [2019-03-28 22:30:52,244 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.85/8.50 [2019-03-28 22:30:52,245 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.85/8.50 [2019-03-28 22:30:52,246 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.85/8.50 [2019-03-28 22:30:52,246 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.85/8.50 [2019-03-28 22:30:52,251 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.85/8.50 [2019-03-28 22:30:52,251 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.85/8.50 Termination analysis: LINEAR_WITH_GUESSES 16.85/8.50 Number of strict supporting invariants: 0 16.85/8.50 Number of non-strict supporting invariants: 1 16.85/8.50 Consider only non-deceasing supporting invariants: true 16.85/8.50 Simplify termination arguments: true 16.85/8.50 Simplify supporting invariants: trueOverapproximate stem: false 16.85/8.50 [2019-03-28 22:30:52,252 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.85/8.50 [2019-03-28 22:30:52,252 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.85/8.50 [2019-03-28 22:30:52,252 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.85/8.50 [2019-03-28 22:30:52,252 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.85/8.50 [2019-03-28 22:30:52,252 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.85/8.50 [2019-03-28 22:30:52,253 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.85/8.50 [2019-03-28 22:30:52,253 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.85/8.50 [2019-03-28 22:30:52,254 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.85/8.50 [2019-03-28 22:30:52,254 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.85/8.50 Termination analysis: LINEAR_WITH_GUESSES 16.85/8.50 Number of strict supporting invariants: 0 16.85/8.50 Number of non-strict supporting invariants: 1 16.85/8.50 Consider only non-deceasing supporting invariants: true 16.85/8.50 Simplify termination arguments: true 16.85/8.50 Simplify supporting invariants: trueOverapproximate stem: false 16.85/8.50 [2019-03-28 22:30:52,254 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.85/8.50 [2019-03-28 22:30:52,255 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.85/8.50 [2019-03-28 22:30:52,255 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.85/8.50 [2019-03-28 22:30:52,255 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.85/8.50 [2019-03-28 22:30:52,258 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.85/8.50 [2019-03-28 22:30:52,258 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.85/8.50 [2019-03-28 22:30:52,270 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.85/8.50 [2019-03-28 22:30:52,278 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 16.85/8.50 [2019-03-28 22:30:52,278 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. 16.85/8.50 [2019-03-28 22:30:52,279 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.85/8.50 [2019-03-28 22:30:52,280 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. 16.85/8.50 [2019-03-28 22:30:52,281 INFO L518 LassoAnalysis]: Proved termination. 16.85/8.50 [2019-03-28 22:30:52,281 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.85/8.50 Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~n~0) = -2*ULTIMATE.start_main_~x~0 + 2*ULTIMATE.start_main_~n~0 + 1 16.85/8.50 Supporting invariants [-1*ULTIMATE.start_main_~t~0 - 1 >= 0] 16.85/8.50 [2019-03-28 22:30:52,292 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed 16.85/8.50 [2019-03-28 22:30:52,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.85/8.50 [2019-03-28 22:30:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.85/8.50 [2019-03-28 22:30:52,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 3 conjunts are in the unsatisfiable core 16.85/8.50 [2019-03-28 22:30:52,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.85/8.50 [2019-03-28 22:30:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.85/8.50 [2019-03-28 22:30:52,330 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core 16.85/8.50 [2019-03-28 22:30:52,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.85/8.50 [2019-03-28 22:30:52,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.85/8.50 [2019-03-28 22:30:52,380 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 16.85/8.50 [2019-03-28 22:30:52,381 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 3 loop predicates 16.85/8.50 [2019-03-28 22:30:52,381 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. 16.85/8.50 [2019-03-28 22:30:52,408 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 11 states and 15 transitions. Complement of second has 4 states. 16.85/8.50 [2019-03-28 22:30:52,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 16.85/8.50 [2019-03-28 22:30:52,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 16.85/8.50 [2019-03-28 22:30:52,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. 16.85/8.50 [2019-03-28 22:30:52,409 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 2 letters. Loop has 2 letters. 16.85/8.50 [2019-03-28 22:30:52,409 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.85/8.50 [2019-03-28 22:30:52,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 4 letters. Loop has 2 letters. 16.85/8.50 [2019-03-28 22:30:52,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.85/8.50 [2019-03-28 22:30:52,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 2 letters. Loop has 4 letters. 16.85/8.50 [2019-03-28 22:30:52,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.85/8.50 [2019-03-28 22:30:52,412 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 15 transitions. 16.85/8.50 [2019-03-28 22:30:52,413 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 16.85/8.50 [2019-03-28 22:30:52,413 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 7 states and 9 transitions. 16.85/8.50 [2019-03-28 22:30:52,413 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 16.85/8.50 [2019-03-28 22:30:52,414 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 16.85/8.50 [2019-03-28 22:30:52,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 9 transitions. 16.85/8.50 [2019-03-28 22:30:52,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 16.85/8.50 [2019-03-28 22:30:52,414 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. 16.85/8.50 [2019-03-28 22:30:52,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 9 transitions. 16.85/8.50 [2019-03-28 22:30:52,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. 16.85/8.50 [2019-03-28 22:30:52,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 16.85/8.50 [2019-03-28 22:30:52,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. 16.85/8.50 [2019-03-28 22:30:52,415 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. 16.85/8.50 [2019-03-28 22:30:52,415 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. 16.85/8.50 [2019-03-28 22:30:52,415 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 16.85/8.50 [2019-03-28 22:30:52,416 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. 16.85/8.50 [2019-03-28 22:30:52,416 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 16.85/8.50 [2019-03-28 22:30:52,416 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.85/8.50 [2019-03-28 22:30:52,416 INFO L119 BuchiIsEmpty]: Starting construction of run 16.85/8.50 [2019-03-28 22:30:52,417 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 16.85/8.50 [2019-03-28 22:30:52,417 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 16.85/8.50 [2019-03-28 22:30:52,417 INFO L794 eck$LassoCheckResult]: Stem: 147#ULTIMATE.startENTRY [30] ULTIMATE.startENTRY-->L19: Formula: (and (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~n~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|) (= v_ULTIMATE.start_main_~b~0_1 |v_ULTIMATE.start_main_#t~nondet3_4|) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#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_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet3_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_#t~nondet3, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~b~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~t~0] 148#L19 [35] L19-->L25-2: Formula: (and (= v_ULTIMATE.start_main_~t~0_5 1) (<= 1 v_ULTIMATE.start_main_~b~0_7)) InVars {ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_7} OutVars{ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_7, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~t~0] 153#L25-2 [33] L25-2-->L25: Formula: (<= v_ULTIMATE.start_main_~x~0_11 v_ULTIMATE.start_main_~n~0_7) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[] 150#L25 16.85/8.50 [2019-03-28 22:30:52,417 INFO L796 eck$LassoCheckResult]: Loop: 150#L25 [42] L25-->L25-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_8 (+ (* (- 1) v_ULTIMATE.start_main_~t~0_6) v_ULTIMATE.start_main_~x~0_9)) (> 1 v_ULTIMATE.start_main_~b~0_8)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_8, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_6} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_8, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 149#L25-2 [33] L25-2-->L25: Formula: (<= v_ULTIMATE.start_main_~x~0_11 v_ULTIMATE.start_main_~n~0_7) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[] 150#L25 16.85/8.50 [2019-03-28 22:30:52,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.85/8.50 [2019-03-28 22:30:52,417 INFO L82 PathProgramCache]: Analyzing trace with hash 59739, now seen corresponding path program 1 times 16.85/8.50 [2019-03-28 22:30:52,418 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.85/8.50 [2019-03-28 22:30:52,418 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.85/8.50 [2019-03-28 22:30:52,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:52,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:52,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.85/8.50 [2019-03-28 22:30:52,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.85/8.50 [2019-03-28 22:30:52,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.85/8.50 [2019-03-28 22:30:52,426 INFO L82 PathProgramCache]: Analyzing trace with hash 2296, now seen corresponding path program 2 times 16.85/8.50 [2019-03-28 22:30:52,426 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.85/8.50 [2019-03-28 22:30:52,426 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.85/8.50 [2019-03-28 22:30:52,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:52,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:52,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.85/8.50 [2019-03-28 22:30:52,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.85/8.50 [2019-03-28 22:30:52,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.85/8.50 [2019-03-28 22:30:52,452 INFO L82 PathProgramCache]: Analyzing trace with hash 57410514, now seen corresponding path program 1 times 16.85/8.50 [2019-03-28 22:30:52,452 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.85/8.50 [2019-03-28 22:30:52,452 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.85/8.50 [2019-03-28 22:30:52,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:52,453 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:52,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.85/8.50 [2019-03-28 22:30:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.85/8.50 [2019-03-28 22:30:52,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.85/8.50 [2019-03-28 22:30:52,471 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 16.85/8.50 [2019-03-28 22:30:52,471 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 16.85/8.50 [2019-03-28 22:30:52,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 16.85/8.50 [2019-03-28 22:30:52,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 16.85/8.50 [2019-03-28 22:30:52,484 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. cyclomatic complexity: 4 Second operand 3 states. 16.85/8.50 [2019-03-28 22:30:52,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 16.85/8.50 [2019-03-28 22:30:52,488 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. 16.85/8.50 [2019-03-28 22:30:52,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 16.85/8.50 [2019-03-28 22:30:52,489 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 7 transitions. 16.85/8.50 [2019-03-28 22:30:52,489 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 16.85/8.50 [2019-03-28 22:30:52,490 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 0 states and 0 transitions. 16.85/8.50 [2019-03-28 22:30:52,490 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 16.85/8.50 [2019-03-28 22:30:52,490 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 16.85/8.50 [2019-03-28 22:30:52,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 16.85/8.50 [2019-03-28 22:30:52,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.85/8.50 [2019-03-28 22:30:52,490 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.85/8.50 [2019-03-28 22:30:52,490 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.85/8.50 [2019-03-28 22:30:52,490 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.85/8.50 [2019-03-28 22:30:52,490 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ 16.85/8.50 [2019-03-28 22:30:52,491 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 16.85/8.50 [2019-03-28 22:30:52,491 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 16.85/8.50 [2019-03-28 22:30:52,491 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 16.85/8.50 [2019-03-28 22:30:52,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:30:52 BasicIcfg 16.85/8.50 [2019-03-28 22:30:52,497 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 16.85/8.50 [2019-03-28 22:30:52,498 INFO L168 Benchmark]: Toolchain (without parser) took 3751.50 ms. Allocated memory was 649.6 MB in the beginning and 757.1 MB in the end (delta: 107.5 MB). Free memory was 565.0 MB in the beginning and 707.3 MB in the end (delta: -142.3 MB). There was no memory consumed. Max. memory is 50.3 GB. 16.85/8.50 [2019-03-28 22:30:52,499 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 16.85/8.50 [2019-03-28 22:30:52,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.47 ms. Allocated memory is still 649.6 MB. Free memory was 565.0 MB in the beginning and 554.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. 16.85/8.50 [2019-03-28 22:30:52,500 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.60 ms. Allocated memory was 649.6 MB in the beginning and 685.2 MB in the end (delta: 35.7 MB). Free memory was 554.2 MB in the beginning and 652.8 MB in the end (delta: -98.7 MB). Peak memory consumption was 21.8 MB. Max. memory is 50.3 GB. 16.85/8.50 [2019-03-28 22:30:52,501 INFO L168 Benchmark]: Boogie Preprocessor took 20.43 ms. Allocated memory is still 685.2 MB. Free memory was 652.8 MB in the beginning and 649.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 16.85/8.50 [2019-03-28 22:30:52,501 INFO L168 Benchmark]: RCFGBuilder took 195.38 ms. Allocated memory is still 685.2 MB. Free memory was 649.7 MB in the beginning and 634.3 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 50.3 GB. 16.85/8.50 [2019-03-28 22:30:52,502 INFO L168 Benchmark]: BlockEncodingV2 took 78.36 ms. Allocated memory is still 685.2 MB. Free memory was 634.3 MB in the beginning and 630.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 50.3 GB. 16.85/8.50 [2019-03-28 22:30:52,502 INFO L168 Benchmark]: TraceAbstraction took 106.13 ms. Allocated memory is still 685.2 MB. Free memory was 628.9 MB in the beginning and 622.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 50.3 GB. 16.85/8.50 [2019-03-28 22:30:52,503 INFO L168 Benchmark]: BuchiAutomizer took 3027.92 ms. Allocated memory was 685.2 MB in the beginning and 757.1 MB in the end (delta: 71.8 MB). Free memory was 622.1 MB in the beginning and 707.3 MB in the end (delta: -85.2 MB). There was no memory consumed. Max. memory is 50.3 GB. 16.85/8.50 [2019-03-28 22:30:52,507 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 16.85/8.50 --- Results --- 16.85/8.50 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 16.85/8.50 - StatisticsResult: Initial Icfg 16.85/8.50 8 locations, 11 edges 16.85/8.50 - StatisticsResult: Encoded RCFG 16.85/8.50 4 locations, 6 edges 16.85/8.50 * Results from de.uni_freiburg.informatik.ultimate.core: 16.85/8.50 - StatisticsResult: Toolchain Benchmarks 16.85/8.50 Benchmark results are: 16.85/8.50 * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 16.85/8.50 * CACSL2BoogieTranslator took 227.47 ms. Allocated memory is still 649.6 MB. Free memory was 565.0 MB in the beginning and 554.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. 16.85/8.50 * Boogie Procedure Inliner took 90.60 ms. Allocated memory was 649.6 MB in the beginning and 685.2 MB in the end (delta: 35.7 MB). Free memory was 554.2 MB in the beginning and 652.8 MB in the end (delta: -98.7 MB). Peak memory consumption was 21.8 MB. Max. memory is 50.3 GB. 16.85/8.50 * Boogie Preprocessor took 20.43 ms. Allocated memory is still 685.2 MB. Free memory was 652.8 MB in the beginning and 649.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 16.85/8.50 * RCFGBuilder took 195.38 ms. Allocated memory is still 685.2 MB. Free memory was 649.7 MB in the beginning and 634.3 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 50.3 GB. 16.85/8.50 * BlockEncodingV2 took 78.36 ms. Allocated memory is still 685.2 MB. Free memory was 634.3 MB in the beginning and 630.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 50.3 GB. 16.85/8.50 * TraceAbstraction took 106.13 ms. Allocated memory is still 685.2 MB. Free memory was 628.9 MB in the beginning and 622.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 50.3 GB. 16.85/8.50 * BuchiAutomizer took 3027.92 ms. Allocated memory was 685.2 MB in the beginning and 757.1 MB in the end (delta: 71.8 MB). Free memory was 622.1 MB in the beginning and 707.3 MB in the end (delta: -85.2 MB). There was no memory consumed. Max. memory is 50.3 GB. 16.85/8.50 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 16.85/8.50 - AllSpecificationsHoldResult: All specifications hold 16.85/8.50 We were not able to verify any specifiation because the program does not contain any specification. 16.85/8.50 - StatisticsResult: Ultimate Automizer benchmark data 16.85/8.50 CFG has 1 procedures, 4 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=4occurred 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, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 16.85/8.50 - StatisticsResult: Constructed decomposition of program 16.85/8.50 Your program was decomposed into 4 terminating modules (2 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function 2 * n + -2 * x + 1 and consists of 4 locations. One nondeterministic module has affine ranking function -2 * x + 2 * n + 1 and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. 16.85/8.50 - StatisticsResult: Timing statistics 16.85/8.50 BüchiAutomizer plugin needed 2.9s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 16 SDtfs, 19 SDslu, 3 SDs, 0 SdLazy, 27 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax160 hnf100 lsp40 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq184 hnf95 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.2s 16.85/8.50 - TerminationAnalysisResult: Termination proven 16.85/8.50 Buchi Automizer proved that your program is terminating 16.85/8.50 RESULT: Ultimate proved your program to be correct! 16.85/8.50 !SESSION 2019-03-28 22:30:45.382 ----------------------------------------------- 16.85/8.50 eclipse.buildId=unknown 16.85/8.50 java.version=1.8.0_181 16.85/8.50 java.vendor=Oracle Corporation 16.85/8.50 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 16.85/8.50 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 16.85/8.50 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 16.85/8.50 16.85/8.50 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:30:52.738 16.85/8.50 !MESSAGE The workspace will exit with unsaved changes in this session. 16.85/8.50 Received shutdown request... 16.85/8.50 Ultimate: 16.85/8.50 GTK+ Version Check 16.85/8.50 EOF