14.23/7.16 YES 14.23/7.16 14.23/7.16 Ultimate: Cannot open display: 14.23/7.16 This is Ultimate 0.1.24-8dc7c08-m 14.23/7.16 [2019-03-29 02:09:14,719 INFO L170 SettingsManager]: Resetting all preferences to default values... 14.23/7.16 [2019-03-29 02:09:14,721 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 14.23/7.16 [2019-03-29 02:09:14,733 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 14.23/7.16 [2019-03-29 02:09:14,733 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 14.23/7.16 [2019-03-29 02:09:14,734 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 14.23/7.16 [2019-03-29 02:09:14,735 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 14.23/7.16 [2019-03-29 02:09:14,737 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 14.23/7.16 [2019-03-29 02:09:14,738 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 14.23/7.16 [2019-03-29 02:09:14,739 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 14.23/7.16 [2019-03-29 02:09:14,740 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 14.23/7.16 [2019-03-29 02:09:14,740 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 14.23/7.16 [2019-03-29 02:09:14,741 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 14.23/7.16 [2019-03-29 02:09:14,742 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 14.23/7.16 [2019-03-29 02:09:14,743 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 14.23/7.16 [2019-03-29 02:09:14,744 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 14.23/7.16 [2019-03-29 02:09:14,745 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 14.23/7.16 [2019-03-29 02:09:14,747 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 14.23/7.16 [2019-03-29 02:09:14,749 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 14.23/7.16 [2019-03-29 02:09:14,750 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 14.23/7.16 [2019-03-29 02:09:14,751 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 14.23/7.16 [2019-03-29 02:09:14,752 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 14.23/7.16 [2019-03-29 02:09:14,755 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 14.23/7.16 [2019-03-29 02:09:14,755 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 14.23/7.16 [2019-03-29 02:09:14,755 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 14.23/7.16 [2019-03-29 02:09:14,756 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 14.23/7.16 [2019-03-29 02:09:14,756 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 14.23/7.16 [2019-03-29 02:09:14,757 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 14.23/7.16 [2019-03-29 02:09:14,757 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 14.23/7.16 [2019-03-29 02:09:14,758 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 14.23/7.16 [2019-03-29 02:09:14,759 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 14.23/7.16 [2019-03-29 02:09:14,760 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 14.23/7.16 [2019-03-29 02:09:14,761 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 14.23/7.16 [2019-03-29 02:09:14,761 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 14.23/7.16 [2019-03-29 02:09:14,761 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 14.23/7.16 [2019-03-29 02:09:14,762 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 14.23/7.16 [2019-03-29 02:09:14,762 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 14.23/7.16 [2019-03-29 02:09:14,763 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 14.23/7.16 [2019-03-29 02:09:14,763 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 14.23/7.16 [2019-03-29 02:09:14,764 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 14.23/7.16 [2019-03-29 02:09:14,778 INFO L110 SettingsManager]: Loading preferences was successful 14.23/7.16 [2019-03-29 02:09:14,779 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 14.23/7.16 [2019-03-29 02:09:14,780 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 14.23/7.16 [2019-03-29 02:09:14,780 INFO L133 SettingsManager]: * Rewrite not-equals=true 14.23/7.16 [2019-03-29 02:09:14,780 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 14.23/7.16 [2019-03-29 02:09:14,781 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 14.23/7.16 [2019-03-29 02:09:14,781 INFO L133 SettingsManager]: * Use SBE=true 14.23/7.16 [2019-03-29 02:09:14,781 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 14.23/7.16 [2019-03-29 02:09:14,781 INFO L133 SettingsManager]: * Use old map elimination=false 14.23/7.16 [2019-03-29 02:09:14,781 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 14.23/7.16 [2019-03-29 02:09:14,782 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 14.23/7.16 [2019-03-29 02:09:14,782 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 14.23/7.16 [2019-03-29 02:09:14,782 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 14.23/7.16 [2019-03-29 02:09:14,782 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 14.23/7.16 [2019-03-29 02:09:14,782 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.23/7.16 [2019-03-29 02:09:14,783 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 14.23/7.16 [2019-03-29 02:09:14,783 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 14.23/7.16 [2019-03-29 02:09:14,783 INFO L133 SettingsManager]: * Check division by zero=IGNORE 14.23/7.16 [2019-03-29 02:09:14,783 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 14.23/7.16 [2019-03-29 02:09:14,783 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 14.23/7.16 [2019-03-29 02:09:14,783 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 14.23/7.16 [2019-03-29 02:09:14,784 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 14.23/7.16 [2019-03-29 02:09:14,784 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 14.23/7.16 [2019-03-29 02:09:14,784 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 14.23/7.16 [2019-03-29 02:09:14,784 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.23/7.16 [2019-03-29 02:09:14,784 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 14.23/7.16 [2019-03-29 02:09:14,785 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 14.23/7.16 [2019-03-29 02:09:14,785 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 14.23/7.16 [2019-03-29 02:09:14,785 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 14.23/7.16 [2019-03-29 02:09:14,810 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 14.23/7.16 [2019-03-29 02:09:14,824 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 14.23/7.16 [2019-03-29 02:09:14,827 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 14.23/7.16 [2019-03-29 02:09:14,829 INFO L271 PluginConnector]: Initializing CDTParser... 14.23/7.16 [2019-03-29 02:09:14,829 INFO L276 PluginConnector]: CDTParser initialized 14.23/7.16 [2019-03-29 02:09:14,830 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 14.23/7.16 [2019-03-29 02:09:14,893 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/4f7f7f17cbb5491fbdc0f4cfddab4264/FLAG5bf76bfcd 14.23/7.16 [2019-03-29 02:09:15,238 INFO L307 CDTParser]: Found 1 translation units. 14.23/7.16 [2019-03-29 02:09:15,239 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 14.23/7.16 [2019-03-29 02:09:15,246 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/4f7f7f17cbb5491fbdc0f4cfddab4264/FLAG5bf76bfcd 14.23/7.16 [2019-03-29 02:09:15,679 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/4f7f7f17cbb5491fbdc0f4cfddab4264 14.23/7.16 [2019-03-29 02:09:15,690 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 14.23/7.16 [2019-03-29 02:09:15,692 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 14.23/7.16 [2019-03-29 02:09:15,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 14.23/7.16 [2019-03-29 02:09:15,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 14.23/7.16 [2019-03-29 02:09:15,697 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 14.23/7.16 [2019-03-29 02:09:15,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:09:15" (1/1) ... 14.23/7.16 [2019-03-29 02:09:15,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@796a4f8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:15, skipping insertion in model container 14.23/7.16 [2019-03-29 02:09:15,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:09:15" (1/1) ... 14.23/7.16 [2019-03-29 02:09:15,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 14.23/7.16 [2019-03-29 02:09:15,728 INFO L176 MainTranslator]: Built tables and reachable declarations 14.23/7.16 [2019-03-29 02:09:15,891 INFO L206 PostProcessor]: Analyzing one entry point: main 14.23/7.16 [2019-03-29 02:09:15,896 INFO L191 MainTranslator]: Completed pre-run 14.23/7.16 [2019-03-29 02:09:15,913 INFO L206 PostProcessor]: Analyzing one entry point: main 14.23/7.16 [2019-03-29 02:09:15,988 INFO L195 MainTranslator]: Completed translation 14.23/7.16 [2019-03-29 02:09:15,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:15 WrapperNode 14.23/7.16 [2019-03-29 02:09:15,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 14.23/7.16 [2019-03-29 02:09:15,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 14.23/7.16 [2019-03-29 02:09:15,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 14.23/7.16 [2019-03-29 02:09:15,990 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 14.23/7.16 [2019-03-29 02:09:16,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:15" (1/1) ... 14.23/7.16 [2019-03-29 02:09:16,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:15" (1/1) ... 14.23/7.16 [2019-03-29 02:09:16,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 14.23/7.16 [2019-03-29 02:09:16,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 14.23/7.16 [2019-03-29 02:09:16,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 14.23/7.16 [2019-03-29 02:09:16,027 INFO L276 PluginConnector]: Boogie Preprocessor initialized 14.23/7.16 [2019-03-29 02:09:16,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:15" (1/1) ... 14.23/7.16 [2019-03-29 02:09:16,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:15" (1/1) ... 14.23/7.16 [2019-03-29 02:09:16,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:15" (1/1) ... 14.23/7.16 [2019-03-29 02:09:16,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:15" (1/1) ... 14.23/7.16 [2019-03-29 02:09:16,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:15" (1/1) ... 14.23/7.16 [2019-03-29 02:09:16,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:15" (1/1) ... 14.23/7.16 [2019-03-29 02:09:16,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:15" (1/1) ... 14.23/7.16 [2019-03-29 02:09:16,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 14.23/7.16 [2019-03-29 02:09:16,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 14.23/7.16 [2019-03-29 02:09:16,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... 14.23/7.16 [2019-03-29 02:09:16,047 INFO L276 PluginConnector]: RCFGBuilder initialized 14.23/7.16 [2019-03-29 02:09:16,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:15" (1/1) ... 14.23/7.16 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.23/7.16 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 14.23/7.16 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.23/7.16 [2019-03-29 02:09:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 14.23/7.16 [2019-03-29 02:09:16,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 14.23/7.16 [2019-03-29 02:09:16,238 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 14.23/7.16 [2019-03-29 02:09:16,239 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 14.23/7.16 [2019-03-29 02:09:16,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:09:16 BoogieIcfgContainer 14.23/7.16 [2019-03-29 02:09:16,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 14.23/7.16 [2019-03-29 02:09:16,241 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 14.23/7.16 [2019-03-29 02:09:16,241 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 14.23/7.16 [2019-03-29 02:09:16,243 INFO L276 PluginConnector]: BlockEncodingV2 initialized 14.23/7.16 [2019-03-29 02:09:16,243 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:09:16" (1/1) ... 14.23/7.16 [2019-03-29 02:09:16,258 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 14.23/7.16 [2019-03-29 02:09:16,260 INFO L258 BlockEncoder]: Using Remove infeasible edges 14.23/7.16 [2019-03-29 02:09:16,261 INFO L263 BlockEncoder]: Using Maximize final states 14.23/7.16 [2019-03-29 02:09:16,261 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 14.23/7.16 [2019-03-29 02:09:16,261 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 14.23/7.16 [2019-03-29 02:09:16,263 INFO L296 BlockEncoder]: Using Remove sink states 14.23/7.16 [2019-03-29 02:09:16,264 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 14.23/7.16 [2019-03-29 02:09:16,264 INFO L179 BlockEncoder]: Using Rewrite not-equals 14.23/7.16 [2019-03-29 02:09:16,279 INFO L185 BlockEncoder]: Using Use SBE 14.23/7.16 [2019-03-29 02:09:16,293 INFO L200 BlockEncoder]: SBE split 1 edges 14.23/7.16 [2019-03-29 02:09:16,298 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 14.23/7.16 [2019-03-29 02:09:16,300 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.23/7.16 [2019-03-29 02:09:16,310 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 14.23/7.16 [2019-03-29 02:09:16,312 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states 14.23/7.16 [2019-03-29 02:09:16,313 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.23/7.16 [2019-03-29 02:09:16,313 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.23/7.16 [2019-03-29 02:09:16,319 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 14.23/7.16 [2019-03-29 02:09:16,320 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.23/7.16 [2019-03-29 02:09:16,320 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.23/7.16 [2019-03-29 02:09:16,320 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.23/7.16 [2019-03-29 02:09:16,320 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 14.23/7.16 [2019-03-29 02:09:16,321 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.23/7.16 [2019-03-29 02:09:16,321 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 14.23/7.16 [2019-03-29 02:09:16,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:09:16 BasicIcfg 14.23/7.16 [2019-03-29 02:09:16,321 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 14.23/7.16 [2019-03-29 02:09:16,322 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 14.23/7.16 [2019-03-29 02:09:16,323 INFO L271 PluginConnector]: Initializing TraceAbstraction... 14.23/7.16 [2019-03-29 02:09:16,326 INFO L276 PluginConnector]: TraceAbstraction initialized 14.23/7.16 [2019-03-29 02:09:16,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 02:09:15" (1/4) ... 14.23/7.16 [2019-03-29 02:09:16,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4405c819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:09:16, skipping insertion in model container 14.23/7.16 [2019-03-29 02:09:16,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:15" (2/4) ... 14.23/7.16 [2019-03-29 02:09:16,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4405c819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:09:16, skipping insertion in model container 14.23/7.16 [2019-03-29 02:09:16,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:09:16" (3/4) ... 14.23/7.16 [2019-03-29 02:09:16,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4405c819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:09:16, skipping insertion in model container 14.23/7.16 [2019-03-29 02:09:16,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:09:16" (4/4) ... 14.23/7.16 [2019-03-29 02:09:16,330 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.23/7.16 [2019-03-29 02:09:16,341 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 14.23/7.16 [2019-03-29 02:09:16,350 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 14.23/7.16 [2019-03-29 02:09:16,368 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 14.23/7.16 [2019-03-29 02:09:16,397 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.23/7.16 [2019-03-29 02:09:16,398 INFO L382 AbstractCegarLoop]: Interprodecural is true 14.23/7.16 [2019-03-29 02:09:16,398 INFO L383 AbstractCegarLoop]: Hoare is true 14.23/7.16 [2019-03-29 02:09:16,398 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 14.23/7.16 [2019-03-29 02:09:16,398 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 14.23/7.16 [2019-03-29 02:09:16,398 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.23/7.16 [2019-03-29 02:09:16,399 INFO L387 AbstractCegarLoop]: Difference is false 14.23/7.16 [2019-03-29 02:09:16,399 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 14.23/7.16 [2019-03-29 02:09:16,399 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 14.23/7.16 [2019-03-29 02:09:16,413 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 14.23/7.16 [2019-03-29 02:09:16,419 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 14.23/7.16 [2019-03-29 02:09:16,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 14.23/7.16 [2019-03-29 02:09:16,474 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 14.23/7.16 [2019-03-29 02:09:16,474 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 26) no Hoare annotation was computed. 14.23/7.16 [2019-03-29 02:09:16,474 INFO L451 ceAbstractionStarter]: At program point L21-2(lines 20 27) the Hoare annotation is: true 14.23/7.16 [2019-03-29 02:09:16,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:09:16 BasicIcfg 14.23/7.16 [2019-03-29 02:09:16,483 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 14.23/7.16 [2019-03-29 02:09:16,484 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 14.23/7.16 [2019-03-29 02:09:16,484 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 14.23/7.16 [2019-03-29 02:09:16,488 INFO L276 PluginConnector]: BuchiAutomizer initialized 14.23/7.16 [2019-03-29 02:09:16,489 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.23/7.16 [2019-03-29 02:09:16,489 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 02:09:15" (1/5) ... 14.23/7.16 [2019-03-29 02:09:16,490 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8836832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:09:16, skipping insertion in model container 14.23/7.16 [2019-03-29 02:09:16,490 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.23/7.16 [2019-03-29 02:09:16,490 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:15" (2/5) ... 14.23/7.16 [2019-03-29 02:09:16,491 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8836832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:09:16, skipping insertion in model container 14.23/7.16 [2019-03-29 02:09:16,491 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.23/7.16 [2019-03-29 02:09:16,491 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:09:16" (3/5) ... 14.23/7.16 [2019-03-29 02:09:16,491 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8836832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:09:16, skipping insertion in model container 14.23/7.16 [2019-03-29 02:09:16,491 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.23/7.16 [2019-03-29 02:09:16,491 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:09:16" (4/5) ... 14.23/7.16 [2019-03-29 02:09:16,492 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8836832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:09:16, skipping insertion in model container 14.23/7.16 [2019-03-29 02:09:16,492 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.23/7.16 [2019-03-29 02:09:16,492 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:09:16" (5/5) ... 14.23/7.16 [2019-03-29 02:09:16,494 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.23/7.16 [2019-03-29 02:09:16,522 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.23/7.16 [2019-03-29 02:09:16,522 INFO L374 BuchiCegarLoop]: Interprodecural is true 14.23/7.16 [2019-03-29 02:09:16,523 INFO L375 BuchiCegarLoop]: Hoare is true 14.23/7.16 [2019-03-29 02:09:16,523 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 14.23/7.16 [2019-03-29 02:09:16,523 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 14.23/7.16 [2019-03-29 02:09:16,523 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.23/7.16 [2019-03-29 02:09:16,523 INFO L379 BuchiCegarLoop]: Difference is false 14.23/7.16 [2019-03-29 02:09:16,523 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 14.23/7.16 [2019-03-29 02:09:16,523 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 14.23/7.16 [2019-03-29 02:09:16,527 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.23/7.17 [2019-03-29 02:09:16,544 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.23/7.17 [2019-03-29 02:09:16,544 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.23/7.17 [2019-03-29 02:09:16,544 INFO L119 BuchiIsEmpty]: Starting construction of run 14.23/7.17 [2019-03-29 02:09:16,550 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.23/7.17 [2019-03-29 02:09:16,550 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.23/7.17 [2019-03-29 02:09:16,550 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 14.23/7.17 [2019-03-29 02:09:16,550 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.23/7.17 [2019-03-29 02:09:16,551 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.23/7.17 [2019-03-29 02:09:16,551 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.23/7.17 [2019-03-29 02:09:16,551 INFO L119 BuchiIsEmpty]: Starting construction of run 14.23/7.17 [2019-03-29 02:09:16,551 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.23/7.17 [2019-03-29 02:09:16,551 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.23/7.17 [2019-03-29 02:09:16,556 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [48] ULTIMATE.startENTRY-->L21-2: Formula: (and (< 0 v_ULTIMATE.start_main_~m~0_10) (< v_ULTIMATE.start_main_~m~0_10 v_ULTIMATE.start_main_~n~0_10) (= 0 v_ULTIMATE.start_main_~i~0_9) (= 0 v_ULTIMATE.start_main_~j~0_9)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_10, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~m~0, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0] 5#L21-2true 14.23/7.17 [2019-03-29 02:09:16,557 INFO L796 eck$LassoCheckResult]: Loop: 5#L21-2true [39] L21-2-->L21: Formula: (< v_ULTIMATE.start_main_~i~0_8 v_ULTIMATE.start_main_~n~0_9) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[] 3#L21true [43] L21-->L21-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_4 (+ v_ULTIMATE.start_main_~i~0_5 1)) (= v_ULTIMATE.start_main_~j~0_6 0) (>= v_ULTIMATE.start_main_~j~0_7 v_ULTIMATE.start_main_~m~0_7)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_5, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_4, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_6, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0] 5#L21-2true 14.23/7.17 [2019-03-29 02:09:16,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.23/7.17 [2019-03-29 02:09:16,563 INFO L82 PathProgramCache]: Analyzing trace with hash 79, now seen corresponding path program 1 times 14.23/7.17 [2019-03-29 02:09:16,565 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.23/7.17 [2019-03-29 02:09:16,566 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.23/7.17 [2019-03-29 02:09:16,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/7.17 [2019-03-29 02:09:16,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.23/7.17 [2019-03-29 02:09:16,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/7.17 [2019-03-29 02:09:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.23/7.17 [2019-03-29 02:09:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.23/7.17 [2019-03-29 02:09:16,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.23/7.17 [2019-03-29 02:09:16,638 INFO L82 PathProgramCache]: Analyzing trace with hash 2213, now seen corresponding path program 1 times 14.23/7.17 [2019-03-29 02:09:16,638 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.23/7.17 [2019-03-29 02:09:16,638 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.23/7.17 [2019-03-29 02:09:16,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/7.17 [2019-03-29 02:09:16,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.23/7.17 [2019-03-29 02:09:16,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/7.17 [2019-03-29 02:09:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.23/7.17 [2019-03-29 02:09:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.23/7.17 [2019-03-29 02:09:16,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.23/7.17 [2019-03-29 02:09:16,649 INFO L82 PathProgramCache]: Analyzing trace with hash 77171, now seen corresponding path program 1 times 14.23/7.17 [2019-03-29 02:09:16,649 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.23/7.17 [2019-03-29 02:09:16,650 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.23/7.17 [2019-03-29 02:09:16,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/7.17 [2019-03-29 02:09:16,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.23/7.17 [2019-03-29 02:09:16,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/7.17 [2019-03-29 02:09:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.23/7.17 [2019-03-29 02:09:16,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.23/7.17 [2019-03-29 02:09:16,702 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 14.23/7.17 [2019-03-29 02:09:16,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 14.23/7.17 [2019-03-29 02:09:16,748 INFO L216 LassoAnalysis]: Preferences: 14.23/7.17 [2019-03-29 02:09:16,750 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.23/7.17 [2019-03-29 02:09:16,750 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.23/7.17 [2019-03-29 02:09:16,750 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.23/7.17 [2019-03-29 02:09:16,750 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.23/7.17 [2019-03-29 02:09:16,750 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.23/7.17 [2019-03-29 02:09:16,751 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.23/7.17 [2019-03-29 02:09:16,751 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.23/7.17 [2019-03-29 02:09:16,751 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.23/7.17 [2019-03-29 02:09:16,751 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.23/7.17 [2019-03-29 02:09:16,751 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.23/7.17 [2019-03-29 02:09:16,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.23/7.17 [2019-03-29 02:09:16,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.23/7.17 [2019-03-29 02:09:16,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.23/7.17 [2019-03-29 02:09:16,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.23/7.17 [2019-03-29 02:09:16,877 INFO L300 LassoAnalysis]: Preprocessing complete. 14.23/7.17 [2019-03-29 02:09:16,878 INFO L412 LassoAnalysis]: Checking for nontermination... 14.23/7.17 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.23/7.17 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.23/7.17 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.23/7.17 [2019-03-29 02:09:16,886 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.23/7.17 [2019-03-29 02:09:16,887 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.23/7.17 [2019-03-29 02:09:16,920 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.23/7.17 [2019-03-29 02:09:16,921 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.23/7.17 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.23/7.17 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.23/7.17 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.23/7.17 [2019-03-29 02:09:16,930 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.23/7.17 [2019-03-29 02:09:16,931 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.23/7.17 [2019-03-29 02:09:16,959 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.23/7.17 [2019-03-29 02:09:16,959 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.23/7.17 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.23/7.17 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.23/7.17 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.23/7.17 [2019-03-29 02:09:16,965 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.23/7.17 [2019-03-29 02:09:16,965 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.23/7.17 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.23/7.17 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.23/7.17 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.23/7.17 [2019-03-29 02:09:16,997 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.23/7.17 [2019-03-29 02:09:16,997 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.23/7.17 [2019-03-29 02:09:17,174 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.23/7.17 [2019-03-29 02:09:17,177 INFO L216 LassoAnalysis]: Preferences: 14.23/7.17 [2019-03-29 02:09:17,177 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.23/7.17 [2019-03-29 02:09:17,177 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.23/7.17 [2019-03-29 02:09:17,177 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.23/7.17 [2019-03-29 02:09:17,177 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.23/7.17 [2019-03-29 02:09:17,178 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.23/7.17 [2019-03-29 02:09:17,178 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.23/7.17 [2019-03-29 02:09:17,178 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.23/7.17 [2019-03-29 02:09:17,178 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.23/7.17 [2019-03-29 02:09:17,178 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.23/7.17 [2019-03-29 02:09:17,178 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.23/7.17 [2019-03-29 02:09:17,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.23/7.17 [2019-03-29 02:09:17,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.23/7.17 [2019-03-29 02:09:17,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.23/7.17 [2019-03-29 02:09:17,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.23/7.17 [2019-03-29 02:09:17,268 INFO L300 LassoAnalysis]: Preprocessing complete. 14.23/7.17 [2019-03-29 02:09:17,274 INFO L497 LassoAnalysis]: Using template 'affine'. 14.23/7.17 [2019-03-29 02:09:17,276 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.23/7.17 Termination analysis: LINEAR_WITH_GUESSES 14.23/7.17 Number of strict supporting invariants: 0 14.23/7.17 Number of non-strict supporting invariants: 1 14.23/7.17 Consider only non-deceasing supporting invariants: true 14.23/7.17 Simplify termination arguments: true 14.23/7.17 Simplify supporting invariants: trueOverapproximate stem: false 14.23/7.17 [2019-03-29 02:09:17,278 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.23/7.17 [2019-03-29 02:09:17,278 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.23/7.17 [2019-03-29 02:09:17,278 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.23/7.17 [2019-03-29 02:09:17,278 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.23/7.17 [2019-03-29 02:09:17,283 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.23/7.17 [2019-03-29 02:09:17,283 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.23/7.17 [2019-03-29 02:09:17,289 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.23/7.17 [2019-03-29 02:09:17,290 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.23/7.17 Termination analysis: LINEAR_WITH_GUESSES 14.23/7.17 Number of strict supporting invariants: 0 14.23/7.17 Number of non-strict supporting invariants: 1 14.23/7.17 Consider only non-deceasing supporting invariants: true 14.23/7.17 Simplify termination arguments: true 14.23/7.17 Simplify supporting invariants: trueOverapproximate stem: false 14.23/7.17 [2019-03-29 02:09:17,290 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.23/7.17 [2019-03-29 02:09:17,291 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.23/7.17 [2019-03-29 02:09:17,291 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.23/7.17 [2019-03-29 02:09:17,291 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.23/7.17 [2019-03-29 02:09:17,293 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.23/7.17 [2019-03-29 02:09:17,294 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.23/7.17 [2019-03-29 02:09:17,301 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.23/7.17 [2019-03-29 02:09:17,302 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.23/7.17 Termination analysis: LINEAR_WITH_GUESSES 14.23/7.17 Number of strict supporting invariants: 0 14.23/7.17 Number of non-strict supporting invariants: 1 14.23/7.17 Consider only non-deceasing supporting invariants: true 14.23/7.17 Simplify termination arguments: true 14.23/7.17 Simplify supporting invariants: trueOverapproximate stem: false 14.23/7.17 [2019-03-29 02:09:17,302 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.23/7.17 [2019-03-29 02:09:17,302 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.23/7.17 [2019-03-29 02:09:17,303 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.23/7.17 [2019-03-29 02:09:17,303 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.23/7.17 [2019-03-29 02:09:17,303 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.23/7.17 [2019-03-29 02:09:17,304 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.23/7.17 [2019-03-29 02:09:17,304 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.23/7.17 [2019-03-29 02:09:17,311 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.23/7.17 [2019-03-29 02:09:17,319 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 14.23/7.17 [2019-03-29 02:09:17,319 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 14.23/7.17 [2019-03-29 02:09:17,321 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.23/7.17 [2019-03-29 02:09:17,321 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.23/7.17 [2019-03-29 02:09:17,322 INFO L518 LassoAnalysis]: Proved termination. 14.23/7.17 [2019-03-29 02:09:17,322 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.23/7.17 Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~i~0 14.23/7.17 Supporting invariants [] 14.23/7.17 [2019-03-29 02:09:17,324 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.23/7.17 [2019-03-29 02:09:17,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.23/7.17 [2019-03-29 02:09:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.23/7.17 [2019-03-29 02:09:17,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 14.23/7.17 [2019-03-29 02:09:17,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.23/7.17 [2019-03-29 02:09:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.23/7.17 [2019-03-29 02:09:17,380 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 14.23/7.17 [2019-03-29 02:09:17,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.23/7.17 [2019-03-29 02:09:17,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.23/7.17 [2019-03-29 02:09:17,419 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 14.23/7.17 [2019-03-29 02:09:17,424 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 14.23/7.17 [2019-03-29 02:09:17,425 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 14.23/7.17 [2019-03-29 02:09:17,477 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 8 states and 11 transitions. Complement of second has 5 states. 14.23/7.17 [2019-03-29 02:09:17,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 2 accepting loop states 14.23/7.17 [2019-03-29 02:09:17,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 14.23/7.17 [2019-03-29 02:09:17,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. 14.23/7.17 [2019-03-29 02:09:17,482 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. 14.23/7.17 [2019-03-29 02:09:17,484 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.23/7.17 [2019-03-29 02:09:17,484 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 3 letters. Loop has 2 letters. 14.23/7.17 [2019-03-29 02:09:17,484 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.23/7.17 [2019-03-29 02:09:17,484 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 4 letters. 14.23/7.17 [2019-03-29 02:09:17,485 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.23/7.17 [2019-03-29 02:09:17,491 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 11 transitions. 14.23/7.17 [2019-03-29 02:09:17,491 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.23/7.17 [2019-03-29 02:09:17,495 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 8 states and 11 transitions. 14.23/7.17 [2019-03-29 02:09:17,496 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 14.23/7.17 [2019-03-29 02:09:17,497 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 14.23/7.17 [2019-03-29 02:09:17,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. 14.23/7.17 [2019-03-29 02:09:17,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 14.23/7.17 [2019-03-29 02:09:17,498 INFO L706 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. 14.23/7.17 [2019-03-29 02:09:17,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. 14.23/7.17 [2019-03-29 02:09:17,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. 14.23/7.17 [2019-03-29 02:09:17,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 14.23/7.17 [2019-03-29 02:09:17,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. 14.23/7.17 [2019-03-29 02:09:17,526 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 14.23/7.17 [2019-03-29 02:09:17,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 14.23/7.17 [2019-03-29 02:09:17,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 14.23/7.17 [2019-03-29 02:09:17,529 INFO L87 Difference]: Start difference. First operand 7 states and 10 transitions. Second operand 3 states. 14.23/7.17 [2019-03-29 02:09:17,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 14.23/7.17 [2019-03-29 02:09:17,540 INFO L93 Difference]: Finished difference Result 9 states and 12 transitions. 14.23/7.17 [2019-03-29 02:09:17,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 14.23/7.17 [2019-03-29 02:09:17,542 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 12 transitions. 14.23/7.17 [2019-03-29 02:09:17,543 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.23/7.17 [2019-03-29 02:09:17,543 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 12 transitions. 14.23/7.17 [2019-03-29 02:09:17,543 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 14.23/7.17 [2019-03-29 02:09:17,544 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 14.23/7.17 [2019-03-29 02:09:17,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. 14.23/7.17 [2019-03-29 02:09:17,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 14.23/7.17 [2019-03-29 02:09:17,544 INFO L706 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. 14.23/7.17 [2019-03-29 02:09:17,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. 14.23/7.17 [2019-03-29 02:09:17,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. 14.23/7.17 [2019-03-29 02:09:17,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. 14.23/7.17 [2019-03-29 02:09:17,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. 14.23/7.17 [2019-03-29 02:09:17,546 INFO L729 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. 14.23/7.17 [2019-03-29 02:09:17,546 INFO L609 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. 14.23/7.17 [2019-03-29 02:09:17,546 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 14.23/7.17 [2019-03-29 02:09:17,546 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. 14.23/7.17 [2019-03-29 02:09:17,547 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.23/7.17 [2019-03-29 02:09:17,547 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.23/7.17 [2019-03-29 02:09:17,547 INFO L119 BuchiIsEmpty]: Starting construction of run 14.23/7.17 [2019-03-29 02:09:17,547 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 14.23/7.17 [2019-03-29 02:09:17,547 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.23/7.17 [2019-03-29 02:09:17,548 INFO L794 eck$LassoCheckResult]: Stem: 70#ULTIMATE.startENTRY [48] ULTIMATE.startENTRY-->L21-2: Formula: (and (< 0 v_ULTIMATE.start_main_~m~0_10) (< v_ULTIMATE.start_main_~m~0_10 v_ULTIMATE.start_main_~n~0_10) (= 0 v_ULTIMATE.start_main_~i~0_9) (= 0 v_ULTIMATE.start_main_~j~0_9)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_10, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~m~0, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0] 71#L21-2 [39] L21-2-->L21: Formula: (< v_ULTIMATE.start_main_~i~0_8 v_ULTIMATE.start_main_~n~0_9) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[] 66#L21 14.23/7.17 [2019-03-29 02:09:17,548 INFO L796 eck$LassoCheckResult]: Loop: 66#L21 [30] L21-->L21-2: Formula: (and (< v_ULTIMATE.start_main_~j~0_2 v_ULTIMATE.start_main_~m~0_1) (= v_ULTIMATE.start_main_~j~0_1 (+ v_ULTIMATE.start_main_~j~0_2 1))) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_2, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_1} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 67#L21-2 [39] L21-2-->L21: Formula: (< v_ULTIMATE.start_main_~i~0_8 v_ULTIMATE.start_main_~n~0_9) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[] 66#L21 14.23/7.17 [2019-03-29 02:09:17,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.23/7.17 [2019-03-29 02:09:17,548 INFO L82 PathProgramCache]: Analyzing trace with hash 2488, now seen corresponding path program 1 times 14.23/7.17 [2019-03-29 02:09:17,549 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.23/7.17 [2019-03-29 02:09:17,549 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.23/7.17 [2019-03-29 02:09:17,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/7.17 [2019-03-29 02:09:17,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.23/7.17 [2019-03-29 02:09:17,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/7.17 [2019-03-29 02:09:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.23/7.17 [2019-03-29 02:09:17,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.23/7.17 [2019-03-29 02:09:17,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.23/7.17 [2019-03-29 02:09:17,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1930, now seen corresponding path program 1 times 14.23/7.17 [2019-03-29 02:09:17,557 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.23/7.17 [2019-03-29 02:09:17,558 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.23/7.17 [2019-03-29 02:09:17,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/7.17 [2019-03-29 02:09:17,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.23/7.17 [2019-03-29 02:09:17,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/7.17 [2019-03-29 02:09:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.23/7.17 [2019-03-29 02:09:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.23/7.17 [2019-03-29 02:09:17,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.23/7.17 [2019-03-29 02:09:17,564 INFO L82 PathProgramCache]: Analyzing trace with hash 2391937, now seen corresponding path program 1 times 14.23/7.17 [2019-03-29 02:09:17,564 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.23/7.17 [2019-03-29 02:09:17,565 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.23/7.17 [2019-03-29 02:09:17,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/7.17 [2019-03-29 02:09:17,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.23/7.17 [2019-03-29 02:09:17,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/7.17 [2019-03-29 02:09:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.23/7.17 [2019-03-29 02:09:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.23/7.17 [2019-03-29 02:09:17,588 INFO L216 LassoAnalysis]: Preferences: 14.23/7.17 [2019-03-29 02:09:17,588 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.23/7.17 [2019-03-29 02:09:17,588 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.23/7.17 [2019-03-29 02:09:17,588 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.23/7.17 [2019-03-29 02:09:17,588 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.23/7.17 [2019-03-29 02:09:17,589 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.23/7.17 [2019-03-29 02:09:17,589 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.23/7.17 [2019-03-29 02:09:17,589 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.23/7.17 [2019-03-29 02:09:17,589 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.23/7.17 [2019-03-29 02:09:17,589 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.23/7.17 [2019-03-29 02:09:17,589 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.23/7.17 [2019-03-29 02:09:17,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.23/7.17 [2019-03-29 02:09:17,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.23/7.17 [2019-03-29 02:09:17,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.23/7.17 [2019-03-29 02:09:17,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.23/7.17 [2019-03-29 02:09:17,652 INFO L300 LassoAnalysis]: Preprocessing complete. 14.23/7.17 [2019-03-29 02:09:17,652 INFO L412 LassoAnalysis]: Checking for nontermination... 14.23/7.17 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.23/7.17 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.23/7.17 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.23/7.17 [2019-03-29 02:09:17,656 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.23/7.17 [2019-03-29 02:09:17,656 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.23/7.17 [2019-03-29 02:09:17,685 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.23/7.17 [2019-03-29 02:09:17,686 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: [] 14.23/7.17 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.23/7.17 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.23/7.17 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.23/7.17 [2019-03-29 02:09:17,691 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.23/7.17 [2019-03-29 02:09:17,692 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.23/7.17 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.23/7.17 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.23/7.17 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.23/7.17 [2019-03-29 02:09:17,725 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.23/7.17 [2019-03-29 02:09:17,725 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.23/7.17 [2019-03-29 02:09:17,963 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.23/7.17 [2019-03-29 02:09:17,966 INFO L216 LassoAnalysis]: Preferences: 14.23/7.17 [2019-03-29 02:09:17,966 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.23/7.17 [2019-03-29 02:09:17,966 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.23/7.17 [2019-03-29 02:09:17,967 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.23/7.17 [2019-03-29 02:09:17,967 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.23/7.17 [2019-03-29 02:09:17,967 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.23/7.17 [2019-03-29 02:09:17,967 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.23/7.17 [2019-03-29 02:09:17,967 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.23/7.17 [2019-03-29 02:09:17,967 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.23/7.17 [2019-03-29 02:09:17,967 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.23/7.17 [2019-03-29 02:09:17,967 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.23/7.17 [2019-03-29 02:09:17,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.23/7.17 [2019-03-29 02:09:17,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.23/7.17 [2019-03-29 02:09:17,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.23/7.17 [2019-03-29 02:09:17,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.23/7.17 [2019-03-29 02:09:18,030 INFO L300 LassoAnalysis]: Preprocessing complete. 14.23/7.17 [2019-03-29 02:09:18,031 INFO L497 LassoAnalysis]: Using template 'affine'. 14.23/7.17 [2019-03-29 02:09:18,031 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.23/7.17 Termination analysis: LINEAR_WITH_GUESSES 14.23/7.17 Number of strict supporting invariants: 0 14.23/7.17 Number of non-strict supporting invariants: 1 14.23/7.17 Consider only non-deceasing supporting invariants: true 14.23/7.17 Simplify termination arguments: true 14.23/7.17 Simplify supporting invariants: trueOverapproximate stem: false 14.23/7.17 [2019-03-29 02:09:18,032 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.23/7.17 [2019-03-29 02:09:18,032 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.23/7.17 [2019-03-29 02:09:18,032 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.23/7.17 [2019-03-29 02:09:18,033 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.23/7.17 [2019-03-29 02:09:18,035 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.23/7.17 [2019-03-29 02:09:18,035 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.23/7.17 [2019-03-29 02:09:18,039 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.23/7.17 [2019-03-29 02:09:18,040 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.23/7.17 Termination analysis: LINEAR_WITH_GUESSES 14.23/7.17 Number of strict supporting invariants: 0 14.23/7.17 Number of non-strict supporting invariants: 1 14.23/7.17 Consider only non-deceasing supporting invariants: true 14.23/7.17 Simplify termination arguments: true 14.23/7.17 Simplify supporting invariants: trueOverapproximate stem: false 14.23/7.17 [2019-03-29 02:09:18,040 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.23/7.17 [2019-03-29 02:09:18,041 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.23/7.17 [2019-03-29 02:09:18,041 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.23/7.17 [2019-03-29 02:09:18,041 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.23/7.17 [2019-03-29 02:09:18,041 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.23/7.17 [2019-03-29 02:09:18,042 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.23/7.17 [2019-03-29 02:09:18,042 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.23/7.17 [2019-03-29 02:09:18,046 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.23/7.17 [2019-03-29 02:09:18,050 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.23/7.17 [2019-03-29 02:09:18,051 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 14.23/7.17 [2019-03-29 02:09:18,051 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.23/7.17 [2019-03-29 02:09:18,051 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.23/7.17 [2019-03-29 02:09:18,051 INFO L518 LassoAnalysis]: Proved termination. 14.23/7.17 [2019-03-29 02:09:18,052 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.23/7.17 Ranking function f(ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~m~0) = -1*ULTIMATE.start_main_~j~0 + 1*ULTIMATE.start_main_~m~0 14.23/7.17 Supporting invariants [] 14.23/7.17 [2019-03-29 02:09:18,052 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.23/7.17 [2019-03-29 02:09:18,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.23/7.17 [2019-03-29 02:09:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.23/7.17 [2019-03-29 02:09:18,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core 14.23/7.17 [2019-03-29 02:09:18,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.23/7.17 [2019-03-29 02:09:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.23/7.17 [2019-03-29 02:09:18,083 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 14.23/7.17 [2019-03-29 02:09:18,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.23/7.17 [2019-03-29 02:09:18,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.23/7.17 [2019-03-29 02:09:18,121 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 14.23/7.17 [2019-03-29 02:09:18,121 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 14.23/7.17 [2019-03-29 02:09:18,121 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 8 states and 11 transitions. cyclomatic complexity: 5 Second operand 3 states. 14.23/7.17 [2019-03-29 02:09:18,149 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 8 states and 11 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 12 states and 16 transitions. Complement of second has 4 states. 14.23/7.17 [2019-03-29 02:09:18,150 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 14.23/7.17 [2019-03-29 02:09:18,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 14.23/7.17 [2019-03-29 02:09:18,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. 14.23/7.17 [2019-03-29 02:09:18,151 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. 14.23/7.17 [2019-03-29 02:09:18,152 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.23/7.17 [2019-03-29 02:09:18,152 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. 14.23/7.17 [2019-03-29 02:09:18,152 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.23/7.17 [2019-03-29 02:09:18,152 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 4 letters. 14.23/7.17 [2019-03-29 02:09:18,153 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.23/7.17 [2019-03-29 02:09:18,154 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 16 transitions. 14.23/7.17 [2019-03-29 02:09:18,155 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.23/7.17 [2019-03-29 02:09:18,155 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. 14.23/7.17 [2019-03-29 02:09:18,155 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 14.23/7.17 [2019-03-29 02:09:18,155 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 14.23/7.17 [2019-03-29 02:09:18,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 14.23/7.17 [2019-03-29 02:09:18,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.23/7.17 [2019-03-29 02:09:18,156 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.23/7.17 [2019-03-29 02:09:18,156 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.23/7.17 [2019-03-29 02:09:18,156 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.23/7.17 [2019-03-29 02:09:18,156 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 14.23/7.17 [2019-03-29 02:09:18,156 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 14.23/7.17 [2019-03-29 02:09:18,157 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.23/7.17 [2019-03-29 02:09:18,157 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 14.23/7.17 [2019-03-29 02:09:18,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:09:18 BasicIcfg 14.23/7.17 [2019-03-29 02:09:18,163 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 14.23/7.17 [2019-03-29 02:09:18,164 INFO L168 Benchmark]: Toolchain (without parser) took 2472.67 ms. Allocated memory was 649.6 MB in the beginning and 676.9 MB in the end (delta: 27.3 MB). Free memory was 563.8 MB in the beginning and 462.2 MB in the end (delta: 101.6 MB). Peak memory consumption was 128.8 MB. Max. memory is 50.3 GB. 14.23/7.17 [2019-03-29 02:09:18,166 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.23/7.17 [2019-03-29 02:09:18,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.22 ms. Allocated memory was 649.6 MB in the beginning and 676.9 MB in the end (delta: 27.3 MB). Free memory was 563.8 MB in the beginning and 644.6 MB in the end (delta: -80.8 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. 14.23/7.17 [2019-03-29 02:09:18,167 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.31 ms. Allocated memory is still 676.9 MB. Free memory was 644.6 MB in the beginning and 643.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 14.23/7.17 [2019-03-29 02:09:18,167 INFO L168 Benchmark]: Boogie Preprocessor took 19.90 ms. Allocated memory is still 676.9 MB. Free memory was 643.5 MB in the beginning and 640.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 14.23/7.17 [2019-03-29 02:09:18,168 INFO L168 Benchmark]: RCFGBuilder took 193.63 ms. Allocated memory is still 676.9 MB. Free memory was 640.7 MB in the beginning and 627.0 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 50.3 GB. 14.23/7.17 [2019-03-29 02:09:18,168 INFO L168 Benchmark]: BlockEncodingV2 took 81.03 ms. Allocated memory is still 676.9 MB. Free memory was 627.0 MB in the beginning and 621.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 14.23/7.17 [2019-03-29 02:09:18,169 INFO L168 Benchmark]: TraceAbstraction took 161.27 ms. Allocated memory is still 676.9 MB. Free memory was 620.6 MB in the beginning and 611.8 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 14.23/7.17 [2019-03-29 02:09:18,170 INFO L168 Benchmark]: BuchiAutomizer took 1678.92 ms. Allocated memory is still 676.9 MB. Free memory was 611.8 MB in the beginning and 462.2 MB in the end (delta: 149.6 MB). Peak memory consumption was 149.6 MB. Max. memory is 50.3 GB. 14.23/7.17 [2019-03-29 02:09:18,174 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 14.23/7.17 --- Results --- 14.23/7.17 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 14.23/7.17 - StatisticsResult: Initial Icfg 14.23/7.17 8 locations, 11 edges 14.23/7.17 - StatisticsResult: Encoded RCFG 14.23/7.17 3 locations, 4 edges 14.23/7.17 * Results from de.uni_freiburg.informatik.ultimate.core: 14.23/7.17 - StatisticsResult: Toolchain Benchmarks 14.23/7.17 Benchmark results are: 14.23/7.17 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.23/7.17 * CACSL2BoogieTranslator took 296.22 ms. Allocated memory was 649.6 MB in the beginning and 676.9 MB in the end (delta: 27.3 MB). Free memory was 563.8 MB in the beginning and 644.6 MB in the end (delta: -80.8 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. 14.23/7.17 * Boogie Procedure Inliner took 36.31 ms. Allocated memory is still 676.9 MB. Free memory was 644.6 MB in the beginning and 643.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 14.23/7.17 * Boogie Preprocessor took 19.90 ms. Allocated memory is still 676.9 MB. Free memory was 643.5 MB in the beginning and 640.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 14.23/7.17 * RCFGBuilder took 193.63 ms. Allocated memory is still 676.9 MB. Free memory was 640.7 MB in the beginning and 627.0 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 50.3 GB. 14.23/7.17 * BlockEncodingV2 took 81.03 ms. Allocated memory is still 676.9 MB. Free memory was 627.0 MB in the beginning and 621.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 14.23/7.17 * TraceAbstraction took 161.27 ms. Allocated memory is still 676.9 MB. Free memory was 620.6 MB in the beginning and 611.8 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 14.23/7.17 * BuchiAutomizer took 1678.92 ms. Allocated memory is still 676.9 MB. Free memory was 611.8 MB in the beginning and 462.2 MB in the end (delta: 149.6 MB). Peak memory consumption was 149.6 MB. Max. memory is 50.3 GB. 14.23/7.17 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 14.23/7.17 - AllSpecificationsHoldResult: All specifications hold 14.23/7.17 We were not able to verify any specifiation because the program does not contain any specification. 14.23/7.17 - InvariantResult [Line: 20]: Loop Invariant 14.23/7.17 Derived loop invariant: 1 14.23/7.17 - StatisticsResult: Ultimate Automizer benchmark data 14.23/7.17 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 14.23/7.17 - StatisticsResult: Constructed decomposition of program 14.23/7.17 Your program was decomposed into 3 terminating modules (1 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function n + -1 * i and consists of 4 locations. One nondeterministic module has affine ranking function -1 * j + m and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. 14.23/7.17 - StatisticsResult: Timing statistics 14.23/7.17 BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 8 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 14 SDslu, 5 SDs, 0 SdLazy, 16 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax183 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s 14.23/7.17 - TerminationAnalysisResult: Termination proven 14.23/7.17 Buchi Automizer proved that your program is terminating 14.23/7.17 RESULT: Ultimate proved your program to be correct! 14.23/7.17 !SESSION 2019-03-29 02:09:12.412 ----------------------------------------------- 14.23/7.17 eclipse.buildId=unknown 14.23/7.17 java.version=1.8.0_181 14.23/7.17 java.vendor=Oracle Corporation 14.23/7.17 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 14.23/7.17 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 14.23/7.17 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 14.23/7.17 14.23/7.17 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 02:09:18.509 14.23/7.17 !MESSAGE The workspace will exit with unsaved changes in this session. 14.23/7.17 Received shutdown request... 14.23/7.17 Ultimate: 14.23/7.17 GTK+ Version Check 14.23/7.17 EOF