15.59/8.57 YES 15.59/8.57 15.59/8.57 Ultimate: Cannot open display: 15.59/8.57 This is Ultimate 0.1.24-8dc7c08-m 15.59/8.57 [2019-03-28 12:00:48,695 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.59/8.57 [2019-03-28 12:00:48,697 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.59/8.57 [2019-03-28 12:00:48,709 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.59/8.57 [2019-03-28 12:00:48,709 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.59/8.57 [2019-03-28 12:00:48,710 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.59/8.57 [2019-03-28 12:00:48,711 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.59/8.57 [2019-03-28 12:00:48,712 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.59/8.57 [2019-03-28 12:00:48,714 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.59/8.57 [2019-03-28 12:00:48,715 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.59/8.57 [2019-03-28 12:00:48,715 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.59/8.57 [2019-03-28 12:00:48,716 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.59/8.57 [2019-03-28 12:00:48,717 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.59/8.57 [2019-03-28 12:00:48,718 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.59/8.57 [2019-03-28 12:00:48,719 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.59/8.57 [2019-03-28 12:00:48,719 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.59/8.57 [2019-03-28 12:00:48,720 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.59/8.57 [2019-03-28 12:00:48,722 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.59/8.57 [2019-03-28 12:00:48,724 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.59/8.57 [2019-03-28 12:00:48,725 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.59/8.57 [2019-03-28 12:00:48,726 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.59/8.57 [2019-03-28 12:00:48,727 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.59/8.57 [2019-03-28 12:00:48,729 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.59/8.57 [2019-03-28 12:00:48,729 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.59/8.57 [2019-03-28 12:00:48,730 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.59/8.57 [2019-03-28 12:00:48,730 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.59/8.57 [2019-03-28 12:00:48,731 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.59/8.57 [2019-03-28 12:00:48,732 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.59/8.57 [2019-03-28 12:00:48,732 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.59/8.57 [2019-03-28 12:00:48,733 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.59/8.57 [2019-03-28 12:00:48,733 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.59/8.57 [2019-03-28 12:00:48,734 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.59/8.57 [2019-03-28 12:00:48,735 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.59/8.57 [2019-03-28 12:00:48,735 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.59/8.57 [2019-03-28 12:00:48,736 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.59/8.57 [2019-03-28 12:00:48,736 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.59/8.57 [2019-03-28 12:00:48,736 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.59/8.57 [2019-03-28 12:00:48,737 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.59/8.57 [2019-03-28 12:00:48,738 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.59/8.57 [2019-03-28 12:00:48,738 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 15.59/8.57 [2019-03-28 12:00:48,753 INFO L110 SettingsManager]: Loading preferences was successful 15.59/8.57 [2019-03-28 12:00:48,753 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.59/8.57 [2019-03-28 12:00:48,754 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.59/8.57 [2019-03-28 12:00:48,754 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.59/8.57 [2019-03-28 12:00:48,754 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.59/8.57 [2019-03-28 12:00:48,755 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.59/8.57 [2019-03-28 12:00:48,755 INFO L133 SettingsManager]: * Use SBE=true 15.59/8.57 [2019-03-28 12:00:48,755 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.59/8.57 [2019-03-28 12:00:48,755 INFO L133 SettingsManager]: * Use old map elimination=false 15.59/8.57 [2019-03-28 12:00:48,755 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.59/8.57 [2019-03-28 12:00:48,756 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.59/8.57 [2019-03-28 12:00:48,756 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.59/8.57 [2019-03-28 12:00:48,756 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.59/8.57 [2019-03-28 12:00:48,756 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.59/8.57 [2019-03-28 12:00:48,756 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.59/8.57 [2019-03-28 12:00:48,757 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.59/8.57 [2019-03-28 12:00:48,757 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.59/8.57 [2019-03-28 12:00:48,757 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.59/8.57 [2019-03-28 12:00:48,757 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.59/8.57 [2019-03-28 12:00:48,757 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.59/8.57 [2019-03-28 12:00:48,758 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.59/8.57 [2019-03-28 12:00:48,758 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.59/8.57 [2019-03-28 12:00:48,758 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.59/8.57 [2019-03-28 12:00:48,758 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.59/8.57 [2019-03-28 12:00:48,758 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.59/8.57 [2019-03-28 12:00:48,759 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.59/8.57 [2019-03-28 12:00:48,759 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.59/8.57 [2019-03-28 12:00:48,759 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.59/8.57 [2019-03-28 12:00:48,759 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.59/8.57 [2019-03-28 12:00:48,785 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.59/8.57 [2019-03-28 12:00:48,808 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.59/8.57 [2019-03-28 12:00:48,812 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.59/8.57 [2019-03-28 12:00:48,813 INFO L271 PluginConnector]: Initializing CDTParser... 15.59/8.57 [2019-03-28 12:00:48,813 INFO L276 PluginConnector]: CDTParser initialized 15.59/8.57 [2019-03-28 12:00:48,814 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 15.59/8.57 [2019-03-28 12:00:48,877 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/76fbbd75a6fc451ab830159573b54fcc/FLAGe3017da5a 15.59/8.57 [2019-03-28 12:00:49,371 INFO L307 CDTParser]: Found 1 translation units. 15.59/8.57 [2019-03-28 12:00:49,372 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 15.59/8.57 [2019-03-28 12:00:49,378 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/76fbbd75a6fc451ab830159573b54fcc/FLAGe3017da5a 15.59/8.57 [2019-03-28 12:00:49,781 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/76fbbd75a6fc451ab830159573b54fcc 15.59/8.57 [2019-03-28 12:00:49,793 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.59/8.57 [2019-03-28 12:00:49,794 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.59/8.57 [2019-03-28 12:00:49,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.59/8.57 [2019-03-28 12:00:49,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.59/8.57 [2019-03-28 12:00:49,799 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.59/8.57 [2019-03-28 12:00:49,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:00:49" (1/1) ... 15.59/8.57 [2019-03-28 12:00:49,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c754489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:49, skipping insertion in model container 15.59/8.57 [2019-03-28 12:00:49,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:00:49" (1/1) ... 15.59/8.57 [2019-03-28 12:00:49,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.59/8.57 [2019-03-28 12:00:49,827 INFO L176 MainTranslator]: Built tables and reachable declarations 15.59/8.57 [2019-03-28 12:00:49,981 INFO L206 PostProcessor]: Analyzing one entry point: main 15.59/8.57 [2019-03-28 12:00:49,986 INFO L191 MainTranslator]: Completed pre-run 15.59/8.57 [2019-03-28 12:00:50,001 INFO L206 PostProcessor]: Analyzing one entry point: main 15.59/8.57 [2019-03-28 12:00:50,015 INFO L195 MainTranslator]: Completed translation 15.59/8.57 [2019-03-28 12:00:50,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:50 WrapperNode 15.59/8.57 [2019-03-28 12:00:50,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.59/8.57 [2019-03-28 12:00:50,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.59/8.57 [2019-03-28 12:00:50,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.59/8.57 [2019-03-28 12:00:50,026 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.59/8.57 [2019-03-28 12:00:50,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:50" (1/1) ... 15.59/8.57 [2019-03-28 12:00:50,096 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:50" (1/1) ... 15.59/8.57 [2019-03-28 12:00:50,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.59/8.57 [2019-03-28 12:00:50,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.59/8.57 [2019-03-28 12:00:50,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.59/8.57 [2019-03-28 12:00:50,115 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.59/8.57 [2019-03-28 12:00:50,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:50" (1/1) ... 15.59/8.57 [2019-03-28 12:00:50,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:50" (1/1) ... 15.59/8.57 [2019-03-28 12:00:50,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:50" (1/1) ... 15.59/8.57 [2019-03-28 12:00:50,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:50" (1/1) ... 15.59/8.57 [2019-03-28 12:00:50,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:50" (1/1) ... 15.59/8.57 [2019-03-28 12:00:50,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:50" (1/1) ... 15.59/8.57 [2019-03-28 12:00:50,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:50" (1/1) ... 15.59/8.57 [2019-03-28 12:00:50,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.59/8.57 [2019-03-28 12:00:50,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.59/8.57 [2019-03-28 12:00:50,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.59/8.57 [2019-03-28 12:00:50,135 INFO L276 PluginConnector]: RCFGBuilder initialized 15.59/8.57 [2019-03-28 12:00:50,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:50" (1/1) ... 15.59/8.57 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.59/8.57 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.59/8.57 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.59/8.57 [2019-03-28 12:00:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.59/8.57 [2019-03-28 12:00:50,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.59/8.57 [2019-03-28 12:00:50,353 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.59/8.57 [2019-03-28 12:00:50,354 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 15.59/8.57 [2019-03-28 12:00:50,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:00:50 BoogieIcfgContainer 15.59/8.57 [2019-03-28 12:00:50,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.59/8.57 [2019-03-28 12:00:50,356 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.59/8.57 [2019-03-28 12:00:50,356 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.59/8.57 [2019-03-28 12:00:50,358 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.59/8.57 [2019-03-28 12:00:50,358 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:00:50" (1/1) ... 15.59/8.57 [2019-03-28 12:00:50,373 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 15.59/8.57 [2019-03-28 12:00:50,374 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.59/8.57 [2019-03-28 12:00:50,375 INFO L263 BlockEncoder]: Using Maximize final states 15.59/8.57 [2019-03-28 12:00:50,376 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.59/8.57 [2019-03-28 12:00:50,376 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.59/8.57 [2019-03-28 12:00:50,378 INFO L296 BlockEncoder]: Using Remove sink states 15.59/8.57 [2019-03-28 12:00:50,379 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.59/8.57 [2019-03-28 12:00:50,379 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.59/8.57 [2019-03-28 12:00:50,393 INFO L185 BlockEncoder]: Using Use SBE 15.59/8.57 [2019-03-28 12:00:50,407 INFO L200 BlockEncoder]: SBE split 1 edges 15.59/8.57 [2019-03-28 12:00:50,411 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 15.59/8.57 [2019-03-28 12:00:50,413 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.59/8.57 [2019-03-28 12:00:50,421 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 15.59/8.57 [2019-03-28 12:00:50,423 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states 15.59/8.57 [2019-03-28 12:00:50,424 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.59/8.57 [2019-03-28 12:00:50,425 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.59/8.57 [2019-03-28 12:00:50,427 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 15.59/8.57 [2019-03-28 12:00:50,428 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.59/8.57 [2019-03-28 12:00:50,428 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.59/8.57 [2019-03-28 12:00:50,428 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.59/8.57 [2019-03-28 12:00:50,428 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.59/8.57 [2019-03-28 12:00:50,429 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.59/8.57 [2019-03-28 12:00:50,429 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 15.59/8.57 [2019-03-28 12:00:50,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:00:50 BasicIcfg 15.59/8.57 [2019-03-28 12:00:50,430 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.59/8.57 [2019-03-28 12:00:50,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.59/8.57 [2019-03-28 12:00:50,431 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.59/8.57 [2019-03-28 12:00:50,434 INFO L276 PluginConnector]: TraceAbstraction initialized 15.59/8.57 [2019-03-28 12:00:50,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:00:49" (1/4) ... 15.59/8.57 [2019-03-28 12:00:50,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e57eb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:00:50, skipping insertion in model container 15.59/8.57 [2019-03-28 12:00:50,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:50" (2/4) ... 15.59/8.57 [2019-03-28 12:00:50,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e57eb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:00:50, skipping insertion in model container 15.59/8.57 [2019-03-28 12:00:50,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:00:50" (3/4) ... 15.59/8.57 [2019-03-28 12:00:50,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e57eb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:00:50, skipping insertion in model container 15.59/8.57 [2019-03-28 12:00:50,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:00:50" (4/4) ... 15.59/8.57 [2019-03-28 12:00:50,438 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.59/8.57 [2019-03-28 12:00:50,448 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.59/8.57 [2019-03-28 12:00:50,456 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.59/8.57 [2019-03-28 12:00:50,472 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.59/8.57 [2019-03-28 12:00:50,500 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.59/8.57 [2019-03-28 12:00:50,501 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.59/8.57 [2019-03-28 12:00:50,501 INFO L383 AbstractCegarLoop]: Hoare is true 15.59/8.57 [2019-03-28 12:00:50,501 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.59/8.57 [2019-03-28 12:00:50,501 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.59/8.57 [2019-03-28 12:00:50,502 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.59/8.57 [2019-03-28 12:00:50,502 INFO L387 AbstractCegarLoop]: Difference is false 15.59/8.57 [2019-03-28 12:00:50,502 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.59/8.57 [2019-03-28 12:00:50,502 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.59/8.57 [2019-03-28 12:00:50,516 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 15.59/8.57 [2019-03-28 12:00:50,521 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.59/8.57 [2019-03-28 12:00:50,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 15.59/8.57 [2019-03-28 12:00:50,573 INFO L451 ceAbstractionStarter]: At program point L18-2(lines 17 22) the Hoare annotation is: true 15.59/8.57 [2019-03-28 12:00:50,573 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.59/8.57 [2019-03-28 12:00:50,573 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 21) no Hoare annotation was computed. 15.59/8.57 [2019-03-28 12:00:50,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:00:50 BasicIcfg 15.59/8.57 [2019-03-28 12:00:50,582 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.59/8.57 [2019-03-28 12:00:50,582 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.59/8.57 [2019-03-28 12:00:50,582 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.59/8.57 [2019-03-28 12:00:50,586 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.59/8.57 [2019-03-28 12:00:50,586 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.59/8.57 [2019-03-28 12:00:50,587 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:00:49" (1/5) ... 15.59/8.57 [2019-03-28 12:00:50,587 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71aa6592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:00:50, skipping insertion in model container 15.59/8.57 [2019-03-28 12:00:50,587 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.59/8.57 [2019-03-28 12:00:50,588 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:50" (2/5) ... 15.59/8.57 [2019-03-28 12:00:50,588 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71aa6592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:00:50, skipping insertion in model container 15.59/8.57 [2019-03-28 12:00:50,588 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.59/8.57 [2019-03-28 12:00:50,588 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:00:50" (3/5) ... 15.59/8.57 [2019-03-28 12:00:50,589 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71aa6592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:00:50, skipping insertion in model container 15.59/8.57 [2019-03-28 12:00:50,589 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.59/8.57 [2019-03-28 12:00:50,589 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:00:50" (4/5) ... 15.59/8.57 [2019-03-28 12:00:50,589 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71aa6592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:00:50, skipping insertion in model container 15.59/8.57 [2019-03-28 12:00:50,589 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.59/8.57 [2019-03-28 12:00:50,590 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:00:50" (5/5) ... 15.59/8.57 [2019-03-28 12:00:50,591 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.59/8.57 [2019-03-28 12:00:50,619 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.59/8.57 [2019-03-28 12:00:50,619 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.59/8.57 [2019-03-28 12:00:50,619 INFO L375 BuchiCegarLoop]: Hoare is true 15.59/8.57 [2019-03-28 12:00:50,619 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.59/8.57 [2019-03-28 12:00:50,619 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.59/8.57 [2019-03-28 12:00:50,619 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.59/8.57 [2019-03-28 12:00:50,620 INFO L379 BuchiCegarLoop]: Difference is false 15.59/8.57 [2019-03-28 12:00:50,620 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.59/8.57 [2019-03-28 12:00:50,620 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.59/8.57 [2019-03-28 12:00:50,623 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 15.59/8.57 [2019-03-28 12:00:50,641 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.59/8.57 [2019-03-28 12:00:50,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.59/8.57 [2019-03-28 12:00:50,641 INFO L119 BuchiIsEmpty]: Starting construction of run 15.59/8.57 [2019-03-28 12:00:50,647 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.59/8.57 [2019-03-28 12:00:50,647 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.59/8.57 [2019-03-28 12:00:50,647 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.59/8.57 [2019-03-28 12:00:50,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 15.59/8.57 [2019-03-28 12:00:50,648 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.59/8.57 [2019-03-28 12:00:50,648 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.59/8.57 [2019-03-28 12:00:50,648 INFO L119 BuchiIsEmpty]: Starting construction of run 15.59/8.57 [2019-03-28 12:00:50,648 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.59/8.57 [2019-03-28 12:00:50,648 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.59/8.57 [2019-03-28 12:00:50,654 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [48] ULTIMATE.startENTRY-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~n~0_6 v_ULTIMATE.start_main_~i~0_11) (< v_ULTIMATE.start_main_~m~0_8 v_ULTIMATE.start_main_~n~0_6) (< 0 v_ULTIMATE.start_main_~m~0_8)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_8, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_6, ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_4|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~m~0, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_#t~post2, ULTIMATE.start_main_~i~0] 4#L18-2true 15.59/8.57 [2019-03-28 12:00:50,654 INFO L796 eck$LassoCheckResult]: Loop: 4#L18-2true [35] L18-2-->L18: Formula: (< 0 v_ULTIMATE.start_main_~i~0_10) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 5#L18true [36] L18-->L18-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_2 v_ULTIMATE.start_main_~m~0_1) (= v_ULTIMATE.start_main_~i~0_2 (+ v_ULTIMATE.start_main_~i~0_1 1))) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_2, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_1} OutVars{ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~post2, ULTIMATE.start_main_~i~0] 4#L18-2true 15.59/8.57 [2019-03-28 12:00:50,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.59/8.57 [2019-03-28 12:00:50,660 INFO L82 PathProgramCache]: Analyzing trace with hash 79, now seen corresponding path program 1 times 15.59/8.57 [2019-03-28 12:00:50,662 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.59/8.57 [2019-03-28 12:00:50,663 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.59/8.57 [2019-03-28 12:00:50,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.59/8.57 [2019-03-28 12:00:50,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.59/8.57 [2019-03-28 12:00:50,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.59/8.57 [2019-03-28 12:00:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.59/8.57 [2019-03-28 12:00:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.59/8.57 [2019-03-28 12:00:50,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.59/8.57 [2019-03-28 12:00:50,737 INFO L82 PathProgramCache]: Analyzing trace with hash 2082, now seen corresponding path program 1 times 15.59/8.57 [2019-03-28 12:00:50,737 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.59/8.57 [2019-03-28 12:00:50,737 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.59/8.57 [2019-03-28 12:00:50,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.59/8.57 [2019-03-28 12:00:50,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.59/8.57 [2019-03-28 12:00:50,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.59/8.57 [2019-03-28 12:00:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.59/8.57 [2019-03-28 12:00:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.59/8.57 [2019-03-28 12:00:50,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.59/8.57 [2019-03-28 12:00:50,747 INFO L82 PathProgramCache]: Analyzing trace with hash 77040, now seen corresponding path program 1 times 15.59/8.57 [2019-03-28 12:00:50,747 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.59/8.57 [2019-03-28 12:00:50,747 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.59/8.57 [2019-03-28 12:00:50,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.59/8.57 [2019-03-28 12:00:50,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.59/8.57 [2019-03-28 12:00:50,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.59/8.57 [2019-03-28 12:00:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.59/8.57 [2019-03-28 12:00:50,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.59/8.57 [2019-03-28 12:00:50,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 15.59/8.57 [2019-03-28 12:00:50,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 15.59/8.57 [2019-03-28 12:00:50,838 INFO L216 LassoAnalysis]: Preferences: 15.59/8.57 [2019-03-28 12:00:50,840 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.59/8.57 [2019-03-28 12:00:50,840 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.59/8.57 [2019-03-28 12:00:50,840 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.59/8.57 [2019-03-28 12:00:50,840 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.59/8.57 [2019-03-28 12:00:50,840 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.59/8.57 [2019-03-28 12:00:50,841 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.59/8.57 [2019-03-28 12:00:50,841 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.59/8.57 [2019-03-28 12:00:50,841 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.59/8.57 [2019-03-28 12:00:50,841 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.59/8.57 [2019-03-28 12:00:50,842 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.59/8.57 [2019-03-28 12:00:50,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.59/8.57 [2019-03-28 12:00:50,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.59/8.57 [2019-03-28 12:00:50,921 INFO L300 LassoAnalysis]: Preprocessing complete. 15.59/8.57 [2019-03-28 12:00:50,922 INFO L412 LassoAnalysis]: Checking for nontermination... 15.59/8.57 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.59/8.57 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.59/8.57 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.59/8.57 [2019-03-28 12:00:50,928 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.59/8.57 [2019-03-28 12:00:50,928 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.59/8.57 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.59/8.57 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.59/8.57 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.59/8.57 [2019-03-28 12:00:50,961 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.59/8.57 [2019-03-28 12:00:50,961 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.59/8.57 [2019-03-28 12:00:50,995 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.59/8.57 [2019-03-28 12:00:50,997 INFO L216 LassoAnalysis]: Preferences: 15.59/8.57 [2019-03-28 12:00:50,997 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.59/8.57 [2019-03-28 12:00:50,998 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.59/8.57 [2019-03-28 12:00:50,998 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.59/8.57 [2019-03-28 12:00:50,998 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.59/8.57 [2019-03-28 12:00:50,998 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.59/8.57 [2019-03-28 12:00:50,998 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.59/8.57 [2019-03-28 12:00:50,998 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.59/8.57 [2019-03-28 12:00:50,998 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.59/8.57 [2019-03-28 12:00:50,999 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.59/8.57 [2019-03-28 12:00:50,999 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.59/8.57 [2019-03-28 12:00:51,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.59/8.57 [2019-03-28 12:00:51,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.59/8.57 [2019-03-28 12:00:51,049 INFO L300 LassoAnalysis]: Preprocessing complete. 15.59/8.57 [2019-03-28 12:00:51,055 INFO L497 LassoAnalysis]: Using template 'affine'. 15.59/8.57 [2019-03-28 12:00:51,056 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.59/8.57 Termination analysis: LINEAR_WITH_GUESSES 15.59/8.57 Number of strict supporting invariants: 0 15.59/8.57 Number of non-strict supporting invariants: 1 15.59/8.57 Consider only non-deceasing supporting invariants: true 15.59/8.57 Simplify termination arguments: true 15.59/8.57 Simplify supporting invariants: trueOverapproximate stem: false 15.59/8.57 [2019-03-28 12:00:51,058 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.59/8.57 [2019-03-28 12:00:51,058 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.59/8.57 [2019-03-28 12:00:51,059 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.59/8.57 [2019-03-28 12:00:51,059 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.59/8.57 [2019-03-28 12:00:51,059 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.59/8.57 [2019-03-28 12:00:51,062 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.59/8.57 [2019-03-28 12:00:51,062 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.59/8.57 [2019-03-28 12:00:51,069 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.59/8.57 [2019-03-28 12:00:51,075 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.59/8.57 [2019-03-28 12:00:51,075 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 15.59/8.57 [2019-03-28 12:00:51,077 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.59/8.57 [2019-03-28 12:00:51,077 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.59/8.57 [2019-03-28 12:00:51,078 INFO L518 LassoAnalysis]: Proved termination. 15.59/8.57 [2019-03-28 12:00:51,078 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.59/8.57 Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 15.59/8.57 Supporting invariants [] 15.59/8.57 [2019-03-28 12:00:51,080 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.59/8.57 [2019-03-28 12:00:51,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.59/8.57 [2019-03-28 12:00:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.59/8.57 [2019-03-28 12:00:51,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 15.59/8.57 [2019-03-28 12:00:51,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.59/8.57 [2019-03-28 12:00:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.59/8.57 [2019-03-28 12:00:51,119 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 15.59/8.57 [2019-03-28 12:00:51,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.59/8.57 [2019-03-28 12:00:51,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.59/8.57 [2019-03-28 12:00:51,157 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 15.59/8.57 [2019-03-28 12:00:51,162 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 15.59/8.57 [2019-03-28 12:00:51,163 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 15.59/8.57 [2019-03-28 12:00:51,226 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 7 states and 10 transitions. Complement of second has 5 states. 15.59/8.57 [2019-03-28 12:00:51,227 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 15.59/8.57 [2019-03-28 12:00:51,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.59/8.57 [2019-03-28 12:00:51,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. 15.59/8.57 [2019-03-28 12:00:51,231 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 1 letters. Loop has 2 letters. 15.59/8.57 [2019-03-28 12:00:51,233 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.59/8.57 [2019-03-28 12:00:51,233 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 2 letters. 15.59/8.57 [2019-03-28 12:00:51,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.59/8.57 [2019-03-28 12:00:51,234 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 1 letters. Loop has 4 letters. 15.59/8.57 [2019-03-28 12:00:51,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.59/8.57 [2019-03-28 12:00:51,240 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 10 transitions. 15.59/8.57 [2019-03-28 12:00:51,241 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.59/8.57 [2019-03-28 12:00:51,245 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 10 transitions. 15.59/8.57 [2019-03-28 12:00:51,247 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 15.59/8.57 [2019-03-28 12:00:51,247 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 15.59/8.57 [2019-03-28 12:00:51,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. 15.59/8.57 [2019-03-28 12:00:51,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.59/8.57 [2019-03-28 12:00:51,248 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 15.59/8.57 [2019-03-28 12:00:51,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. 15.59/8.57 [2019-03-28 12:00:51,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. 15.59/8.57 [2019-03-28 12:00:51,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 15.59/8.57 [2019-03-28 12:00:51,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. 15.59/8.57 [2019-03-28 12:00:51,278 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 15.59/8.57 [2019-03-28 12:00:51,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 15.59/8.57 [2019-03-28 12:00:51,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 15.59/8.57 [2019-03-28 12:00:51,281 INFO L87 Difference]: Start difference. First operand 7 states and 10 transitions. Second operand 3 states. 15.59/8.57 [2019-03-28 12:00:51,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.59/8.57 [2019-03-28 12:00:51,295 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. 15.59/8.57 [2019-03-28 12:00:51,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 15.59/8.57 [2019-03-28 12:00:51,299 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 7 transitions. 15.59/8.57 [2019-03-28 12:00:51,299 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.59/8.57 [2019-03-28 12:00:51,300 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 5 states and 6 transitions. 15.59/8.57 [2019-03-28 12:00:51,300 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 15.59/8.57 [2019-03-28 12:00:51,300 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 15.59/8.57 [2019-03-28 12:00:51,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 6 transitions. 15.59/8.57 [2019-03-28 12:00:51,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.59/8.57 [2019-03-28 12:00:51,301 INFO L706 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. 15.59/8.57 [2019-03-28 12:00:51,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 6 transitions. 15.59/8.57 [2019-03-28 12:00:51,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. 15.59/8.57 [2019-03-28 12:00:51,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 15.59/8.57 [2019-03-28 12:00:51,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. 15.59/8.57 [2019-03-28 12:00:51,302 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. 15.59/8.57 [2019-03-28 12:00:51,303 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. 15.59/8.57 [2019-03-28 12:00:51,303 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.59/8.57 [2019-03-28 12:00:51,303 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 6 transitions. 15.59/8.57 [2019-03-28 12:00:51,303 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.59/8.57 [2019-03-28 12:00:51,303 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.59/8.57 [2019-03-28 12:00:51,304 INFO L119 BuchiIsEmpty]: Starting construction of run 15.59/8.57 [2019-03-28 12:00:51,304 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 15.59/8.57 [2019-03-28 12:00:51,304 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.59/8.57 [2019-03-28 12:00:51,304 INFO L794 eck$LassoCheckResult]: Stem: 62#ULTIMATE.startENTRY [48] ULTIMATE.startENTRY-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~n~0_6 v_ULTIMATE.start_main_~i~0_11) (< v_ULTIMATE.start_main_~m~0_8 v_ULTIMATE.start_main_~n~0_6) (< 0 v_ULTIMATE.start_main_~m~0_8)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_8, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_6, ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_4|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~m~0, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_#t~post2, ULTIMATE.start_main_~i~0] 63#L18-2 [35] L18-2-->L18: Formula: (< 0 v_ULTIMATE.start_main_~i~0_10) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 66#L18 [43] L18-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_6 (+ v_ULTIMATE.start_main_~i~0_7 (* (- 1) v_ULTIMATE.start_main_~m~0_5))) (>= v_ULTIMATE.start_main_~i~0_7 v_ULTIMATE.start_main_~m~0_5)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_5} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 64#L18-2 15.59/8.57 [2019-03-28 12:00:51,305 INFO L796 eck$LassoCheckResult]: Loop: 64#L18-2 [35] L18-2-->L18: Formula: (< 0 v_ULTIMATE.start_main_~i~0_10) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 65#L18 [36] L18-->L18-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_2 v_ULTIMATE.start_main_~m~0_1) (= v_ULTIMATE.start_main_~i~0_2 (+ v_ULTIMATE.start_main_~i~0_1 1))) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_2, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_1} OutVars{ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~post2, ULTIMATE.start_main_~i~0] 64#L18-2 15.59/8.57 [2019-03-28 12:00:51,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.59/8.57 [2019-03-28 12:00:51,305 INFO L82 PathProgramCache]: Analyzing trace with hash 77047, now seen corresponding path program 1 times 15.59/8.57 [2019-03-28 12:00:51,305 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.59/8.57 [2019-03-28 12:00:51,305 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.59/8.57 [2019-03-28 12:00:51,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.59/8.57 [2019-03-28 12:00:51,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.59/8.57 [2019-03-28 12:00:51,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.59/8.57 [2019-03-28 12:00:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.59/8.57 [2019-03-28 12:00:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.59/8.57 [2019-03-28 12:00:51,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.59/8.57 [2019-03-28 12:00:51,316 INFO L82 PathProgramCache]: Analyzing trace with hash 2082, now seen corresponding path program 2 times 15.59/8.57 [2019-03-28 12:00:51,316 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.59/8.57 [2019-03-28 12:00:51,316 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.59/8.57 [2019-03-28 12:00:51,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.59/8.57 [2019-03-28 12:00:51,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.59/8.57 [2019-03-28 12:00:51,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.59/8.57 [2019-03-28 12:00:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.59/8.57 [2019-03-28 12:00:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.59/8.57 [2019-03-28 12:00:51,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.59/8.57 [2019-03-28 12:00:51,323 INFO L82 PathProgramCache]: Analyzing trace with hash 74043288, now seen corresponding path program 1 times 15.59/8.57 [2019-03-28 12:00:51,323 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.59/8.57 [2019-03-28 12:00:51,323 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.59/8.57 [2019-03-28 12:00:51,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.59/8.57 [2019-03-28 12:00:51,324 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.59/8.57 [2019-03-28 12:00:51,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.59/8.57 [2019-03-28 12:00:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.59/8.57 [2019-03-28 12:00:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.59/8.57 [2019-03-28 12:00:51,357 INFO L216 LassoAnalysis]: Preferences: 15.59/8.57 [2019-03-28 12:00:51,357 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.59/8.57 [2019-03-28 12:00:51,357 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.59/8.57 [2019-03-28 12:00:51,357 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.59/8.57 [2019-03-28 12:00:51,358 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.59/8.57 [2019-03-28 12:00:51,358 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.59/8.57 [2019-03-28 12:00:51,358 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.59/8.57 [2019-03-28 12:00:51,358 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.59/8.57 [2019-03-28 12:00:51,358 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.59/8.57 [2019-03-28 12:00:51,358 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.59/8.57 [2019-03-28 12:00:51,358 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.59/8.57 [2019-03-28 12:00:51,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.59/8.57 [2019-03-28 12:00:51,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.59/8.57 [2019-03-28 12:00:51,413 INFO L300 LassoAnalysis]: Preprocessing complete. 15.59/8.57 [2019-03-28 12:00:51,414 INFO L412 LassoAnalysis]: Checking for nontermination... 15.59/8.57 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.59/8.57 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.59/8.57 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.59/8.57 [2019-03-28 12:00:51,422 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.59/8.57 [2019-03-28 12:00:51,422 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.59/8.57 [2019-03-28 12:00:51,429 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.59/8.57 [2019-03-28 12:00:51,429 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2=0} Honda state: {ULTIMATE.start_main_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.59/8.57 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.59/8.57 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.59/8.57 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.59/8.57 [2019-03-28 12:00:51,457 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.59/8.57 [2019-03-28 12:00:51,458 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.59/8.57 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.59/8.57 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.59/8.57 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.59/8.57 [2019-03-28 12:00:51,490 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.59/8.57 [2019-03-28 12:00:51,490 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.59/8.57 [2019-03-28 12:00:51,522 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.59/8.57 [2019-03-28 12:00:51,524 INFO L216 LassoAnalysis]: Preferences: 15.59/8.57 [2019-03-28 12:00:51,524 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.59/8.57 [2019-03-28 12:00:51,524 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.59/8.57 [2019-03-28 12:00:51,524 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.59/8.57 [2019-03-28 12:00:51,524 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.59/8.57 [2019-03-28 12:00:51,524 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.59/8.57 [2019-03-28 12:00:51,525 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.59/8.57 [2019-03-28 12:00:51,525 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.59/8.57 [2019-03-28 12:00:51,525 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.59/8.57 [2019-03-28 12:00:51,525 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.59/8.57 [2019-03-28 12:00:51,525 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.59/8.57 [2019-03-28 12:00:51,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.59/8.57 [2019-03-28 12:00:51,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.59/8.57 [2019-03-28 12:00:51,566 INFO L300 LassoAnalysis]: Preprocessing complete. 15.59/8.57 [2019-03-28 12:00:51,566 INFO L497 LassoAnalysis]: Using template 'affine'. 15.59/8.57 [2019-03-28 12:00:51,567 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.59/8.57 Termination analysis: LINEAR_WITH_GUESSES 15.59/8.57 Number of strict supporting invariants: 0 15.59/8.57 Number of non-strict supporting invariants: 1 15.59/8.57 Consider only non-deceasing supporting invariants: true 15.59/8.57 Simplify termination arguments: true 15.59/8.57 Simplify supporting invariants: trueOverapproximate stem: false 15.59/8.57 [2019-03-28 12:00:51,568 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.59/8.57 [2019-03-28 12:00:51,568 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.59/8.57 [2019-03-28 12:00:51,568 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.59/8.57 [2019-03-28 12:00:51,568 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.59/8.57 [2019-03-28 12:00:51,568 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.59/8.57 [2019-03-28 12:00:51,569 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.59/8.57 [2019-03-28 12:00:51,569 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.59/8.57 [2019-03-28 12:00:51,575 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.59/8.57 [2019-03-28 12:00:51,578 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.59/8.57 [2019-03-28 12:00:51,578 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 15.59/8.57 [2019-03-28 12:00:51,578 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.59/8.57 [2019-03-28 12:00:51,579 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.59/8.57 [2019-03-28 12:00:51,579 INFO L518 LassoAnalysis]: Proved termination. 15.59/8.57 [2019-03-28 12:00:51,579 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.59/8.57 Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 15.59/8.57 Supporting invariants [] 15.59/8.57 [2019-03-28 12:00:51,579 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.59/8.57 [2019-03-28 12:00:51,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.59/8.57 [2019-03-28 12:00:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.59/8.57 [2019-03-28 12:00:51,599 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core 15.59/8.57 [2019-03-28 12:00:51,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.59/8.57 [2019-03-28 12:00:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.59/8.57 [2019-03-28 12:00:51,604 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 15.59/8.57 [2019-03-28 12:00:51,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.59/8.57 [2019-03-28 12:00:51,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.59/8.57 [2019-03-28 12:00:51,627 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 15.59/8.57 [2019-03-28 12:00:51,627 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 15.59/8.57 [2019-03-28 12:00:51,628 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 6 transitions. cyclomatic complexity: 2 Second operand 3 states. 15.59/8.58 [2019-03-28 12:00:51,644 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 6 transitions. cyclomatic complexity: 2. Second operand 3 states. Result 7 states and 9 transitions. Complement of second has 4 states. 15.59/8.58 [2019-03-28 12:00:51,645 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 15.59/8.58 [2019-03-28 12:00:51,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.59/8.58 [2019-03-28 12:00:51,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. 15.59/8.58 [2019-03-28 12:00:51,646 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 2 letters. 15.59/8.58 [2019-03-28 12:00:51,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.59/8.58 [2019-03-28 12:00:51,646 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 2 letters. 15.59/8.58 [2019-03-28 12:00:51,647 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.59/8.58 [2019-03-28 12:00:51,647 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 4 letters. 15.59/8.58 [2019-03-28 12:00:51,647 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.59/8.58 [2019-03-28 12:00:51,648 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 9 transitions. 15.59/8.58 [2019-03-28 12:00:51,649 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.59/8.58 [2019-03-28 12:00:51,649 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 9 transitions. 15.59/8.58 [2019-03-28 12:00:51,649 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 15.59/8.58 [2019-03-28 12:00:51,649 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 15.59/8.58 [2019-03-28 12:00:51,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 9 transitions. 15.59/8.58 [2019-03-28 12:00:51,650 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.59/8.58 [2019-03-28 12:00:51,650 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. 15.59/8.58 [2019-03-28 12:00:51,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 9 transitions. 15.59/8.58 [2019-03-28 12:00:51,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. 15.59/8.58 [2019-03-28 12:00:51,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. 15.59/8.58 [2019-03-28 12:00:51,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. 15.59/8.58 [2019-03-28 12:00:51,651 INFO L729 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. 15.59/8.58 [2019-03-28 12:00:51,651 INFO L609 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. 15.59/8.58 [2019-03-28 12:00:51,652 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 15.59/8.58 [2019-03-28 12:00:51,652 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. 15.59/8.58 [2019-03-28 12:00:51,652 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.59/8.58 [2019-03-28 12:00:51,652 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.59/8.58 [2019-03-28 12:00:51,652 INFO L119 BuchiIsEmpty]: Starting construction of run 15.59/8.58 [2019-03-28 12:00:51,653 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 15.59/8.58 [2019-03-28 12:00:51,653 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.59/8.58 [2019-03-28 12:00:51,654 INFO L794 eck$LassoCheckResult]: Stem: 110#ULTIMATE.startENTRY [48] ULTIMATE.startENTRY-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~n~0_6 v_ULTIMATE.start_main_~i~0_11) (< v_ULTIMATE.start_main_~m~0_8 v_ULTIMATE.start_main_~n~0_6) (< 0 v_ULTIMATE.start_main_~m~0_8)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_8, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_6, ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_4|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~m~0, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_#t~post2, ULTIMATE.start_main_~i~0] 111#L18-2 [35] L18-2-->L18: Formula: (< 0 v_ULTIMATE.start_main_~i~0_10) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 112#L18 15.59/8.58 [2019-03-28 12:00:51,654 INFO L796 eck$LassoCheckResult]: Loop: 112#L18 [43] L18-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_6 (+ v_ULTIMATE.start_main_~i~0_7 (* (- 1) v_ULTIMATE.start_main_~m~0_5))) (>= v_ULTIMATE.start_main_~i~0_7 v_ULTIMATE.start_main_~m~0_5)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_5} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 115#L18-2 [35] L18-2-->L18: Formula: (< 0 v_ULTIMATE.start_main_~i~0_10) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 112#L18 15.59/8.58 [2019-03-28 12:00:51,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.59/8.58 [2019-03-28 12:00:51,654 INFO L82 PathProgramCache]: Analyzing trace with hash 2484, now seen corresponding path program 1 times 15.59/8.58 [2019-03-28 12:00:51,654 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.59/8.58 [2019-03-28 12:00:51,655 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.59/8.58 [2019-03-28 12:00:51,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.59/8.58 [2019-03-28 12:00:51,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.59/8.58 [2019-03-28 12:00:51,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.59/8.58 [2019-03-28 12:00:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.59/8.58 [2019-03-28 12:00:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.59/8.58 [2019-03-28 12:00:51,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.59/8.58 [2019-03-28 12:00:51,661 INFO L82 PathProgramCache]: Analyzing trace with hash 2329, now seen corresponding path program 1 times 15.59/8.58 [2019-03-28 12:00:51,661 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.59/8.58 [2019-03-28 12:00:51,661 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.59/8.58 [2019-03-28 12:00:51,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.59/8.58 [2019-03-28 12:00:51,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.59/8.58 [2019-03-28 12:00:51,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.59/8.58 [2019-03-28 12:00:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.59/8.58 [2019-03-28 12:00:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.59/8.58 [2019-03-28 12:00:51,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.59/8.58 [2019-03-28 12:00:51,668 INFO L82 PathProgramCache]: Analyzing trace with hash 2388492, now seen corresponding path program 2 times 15.59/8.58 [2019-03-28 12:00:51,668 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.59/8.58 [2019-03-28 12:00:51,668 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.59/8.58 [2019-03-28 12:00:51,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.59/8.58 [2019-03-28 12:00:51,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.59/8.58 [2019-03-28 12:00:51,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.59/8.58 [2019-03-28 12:00:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.59/8.58 [2019-03-28 12:00:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.59/8.58 [2019-03-28 12:00:51,727 INFO L216 LassoAnalysis]: Preferences: 15.59/8.58 [2019-03-28 12:00:51,728 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.59/8.58 [2019-03-28 12:00:51,728 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.59/8.58 [2019-03-28 12:00:51,728 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.59/8.58 [2019-03-28 12:00:51,728 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.59/8.58 [2019-03-28 12:00:51,728 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.59/8.58 [2019-03-28 12:00:51,728 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.59/8.58 [2019-03-28 12:00:51,728 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.59/8.58 [2019-03-28 12:00:51,729 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso 15.59/8.58 [2019-03-28 12:00:51,729 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.59/8.58 [2019-03-28 12:00:51,729 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.59/8.58 [2019-03-28 12:00:51,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.59/8.58 [2019-03-28 12:00:51,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.59/8.58 [2019-03-28 12:00:51,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.59/8.58 [2019-03-28 12:00:51,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.59/8.58 [2019-03-28 12:00:51,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.59/8.58 [2019-03-28 12:00:51,808 INFO L300 LassoAnalysis]: Preprocessing complete. 15.59/8.58 [2019-03-28 12:00:51,808 INFO L412 LassoAnalysis]: Checking for nontermination... 15.59/8.58 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.59/8.58 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.59/8.58 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.59/8.58 [2019-03-28 12:00:51,816 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.59/8.58 [2019-03-28 12:00:51,816 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.59/8.58 [2019-03-28 12:00:51,820 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.59/8.58 [2019-03-28 12:00:51,820 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: [] 15.59/8.58 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.59/8.58 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.59/8.58 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.59/8.58 [2019-03-28 12:00:51,850 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.59/8.58 [2019-03-28 12:00:51,850 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.59/8.58 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.59/8.58 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.59/8.58 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.59/8.58 [2019-03-28 12:00:51,888 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.59/8.58 [2019-03-28 12:00:51,888 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.59/8.58 [2019-03-28 12:00:52,168 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.59/8.58 [2019-03-28 12:00:52,171 INFO L216 LassoAnalysis]: Preferences: 15.59/8.58 [2019-03-28 12:00:52,171 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.59/8.58 [2019-03-28 12:00:52,171 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.59/8.58 [2019-03-28 12:00:52,171 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.59/8.58 [2019-03-28 12:00:52,171 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.59/8.58 [2019-03-28 12:00:52,171 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.59/8.58 [2019-03-28 12:00:52,172 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.59/8.58 [2019-03-28 12:00:52,172 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.59/8.58 [2019-03-28 12:00:52,172 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso 15.59/8.58 [2019-03-28 12:00:52,172 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.59/8.58 [2019-03-28 12:00:52,172 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.59/8.58 [2019-03-28 12:00:52,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.59/8.58 [2019-03-28 12:00:52,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.59/8.58 [2019-03-28 12:00:52,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.59/8.58 [2019-03-28 12:00:52,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.59/8.58 [2019-03-28 12:00:52,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.59/8.58 [2019-03-28 12:00:52,257 INFO L300 LassoAnalysis]: Preprocessing complete. 15.59/8.58 [2019-03-28 12:00:52,258 INFO L497 LassoAnalysis]: Using template 'affine'. 15.59/8.58 [2019-03-28 12:00:52,258 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.59/8.58 Termination analysis: LINEAR_WITH_GUESSES 15.59/8.58 Number of strict supporting invariants: 0 15.59/8.58 Number of non-strict supporting invariants: 1 15.59/8.58 Consider only non-deceasing supporting invariants: true 15.59/8.58 Simplify termination arguments: true 15.59/8.58 Simplify supporting invariants: trueOverapproximate stem: false 15.59/8.58 [2019-03-28 12:00:52,259 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.59/8.58 [2019-03-28 12:00:52,259 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.59/8.58 [2019-03-28 12:00:52,259 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.59/8.58 [2019-03-28 12:00:52,260 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.59/8.58 [2019-03-28 12:00:52,260 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.59/8.58 [2019-03-28 12:00:52,260 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.59/8.58 [2019-03-28 12:00:52,260 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.59/8.58 [2019-03-28 12:00:52,262 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.59/8.58 [2019-03-28 12:00:52,263 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.59/8.58 Termination analysis: LINEAR_WITH_GUESSES 15.59/8.58 Number of strict supporting invariants: 0 15.59/8.58 Number of non-strict supporting invariants: 1 15.59/8.58 Consider only non-deceasing supporting invariants: true 15.59/8.58 Simplify termination arguments: true 15.59/8.58 Simplify supporting invariants: trueOverapproximate stem: false 15.59/8.58 [2019-03-28 12:00:52,264 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.59/8.58 [2019-03-28 12:00:52,264 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.59/8.58 [2019-03-28 12:00:52,264 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.59/8.58 [2019-03-28 12:00:52,264 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.59/8.58 [2019-03-28 12:00:52,264 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.59/8.58 [2019-03-28 12:00:52,265 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.59/8.58 [2019-03-28 12:00:52,265 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.59/8.58 [2019-03-28 12:00:52,266 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.59/8.58 [2019-03-28 12:00:52,266 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.59/8.58 Termination analysis: LINEAR_WITH_GUESSES 15.59/8.58 Number of strict supporting invariants: 0 15.59/8.58 Number of non-strict supporting invariants: 1 15.59/8.58 Consider only non-deceasing supporting invariants: true 15.59/8.58 Simplify termination arguments: true 15.59/8.58 Simplify supporting invariants: trueOverapproximate stem: false 15.59/8.58 [2019-03-28 12:00:52,267 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.59/8.58 [2019-03-28 12:00:52,267 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.59/8.58 [2019-03-28 12:00:52,268 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.59/8.58 [2019-03-28 12:00:52,268 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.59/8.58 [2019-03-28 12:00:52,268 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.59/8.58 [2019-03-28 12:00:52,268 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.59/8.58 [2019-03-28 12:00:52,268 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.59/8.58 [2019-03-28 12:00:52,269 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.59/8.58 [2019-03-28 12:00:52,270 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.59/8.58 Termination analysis: LINEAR_WITH_GUESSES 15.59/8.58 Number of strict supporting invariants: 0 15.59/8.58 Number of non-strict supporting invariants: 1 15.59/8.58 Consider only non-deceasing supporting invariants: true 15.59/8.58 Simplify termination arguments: true 15.59/8.58 Simplify supporting invariants: trueOverapproximate stem: false 15.59/8.58 [2019-03-28 12:00:52,270 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.59/8.58 [2019-03-28 12:00:52,270 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.59/8.58 [2019-03-28 12:00:52,271 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.59/8.58 [2019-03-28 12:00:52,271 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.59/8.58 [2019-03-28 12:00:52,275 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.59/8.58 [2019-03-28 12:00:52,275 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.59/8.58 [2019-03-28 12:00:52,307 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.59/8.58 [2019-03-28 12:00:52,323 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 15.59/8.58 [2019-03-28 12:00:52,323 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. 15.59/8.58 [2019-03-28 12:00:52,324 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.59/8.58 [2019-03-28 12:00:52,326 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. 15.59/8.58 [2019-03-28 12:00:52,327 INFO L518 LassoAnalysis]: Proved termination. 15.59/8.58 [2019-03-28 12:00:52,327 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.59/8.58 Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~m~0) = 1*ULTIMATE.start_main_~i~0 - 1*ULTIMATE.start_main_~m~0 15.59/8.58 Supporting invariants [1*ULTIMATE.start_main_~m~0 - 1 >= 0] 15.59/8.58 [2019-03-28 12:00:52,331 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed 15.59/8.58 [2019-03-28 12:00:52,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.59/8.58 [2019-03-28 12:00:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.59/8.58 [2019-03-28 12:00:52,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 3 conjunts are in the unsatisfiable core 15.59/8.58 [2019-03-28 12:00:52,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.59/8.58 [2019-03-28 12:00:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.59/8.58 [2019-03-28 12:00:52,381 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core 15.59/8.58 [2019-03-28 12:00:52,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.59/8.58 [2019-03-28 12:00:52,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.59/8.58 [2019-03-28 12:00:52,434 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 15.59/8.58 [2019-03-28 12:00:52,435 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates 15.59/8.58 [2019-03-28 12:00:52,435 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 6 states and 8 transitions. cyclomatic complexity: 3 Second operand 4 states. 15.59/8.58 [2019-03-28 12:00:52,473 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 6 states and 8 transitions. cyclomatic complexity: 3. Second operand 4 states. Result 12 states and 15 transitions. Complement of second has 8 states. 15.59/8.58 [2019-03-28 12:00:52,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states 15.59/8.58 [2019-03-28 12:00:52,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 15.59/8.58 [2019-03-28 12:00:52,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. 15.59/8.58 [2019-03-28 12:00:52,475 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. 15.59/8.58 [2019-03-28 12:00:52,475 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.59/8.58 [2019-03-28 12:00:52,475 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 4 letters. Loop has 2 letters. 15.59/8.58 [2019-03-28 12:00:52,476 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.59/8.58 [2019-03-28 12:00:52,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 4 letters. 15.59/8.58 [2019-03-28 12:00:52,476 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.59/8.58 [2019-03-28 12:00:52,477 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. 15.59/8.58 [2019-03-28 12:00:52,478 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.59/8.58 [2019-03-28 12:00:52,479 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. 15.59/8.58 [2019-03-28 12:00:52,479 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 15.59/8.58 [2019-03-28 12:00:52,479 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 15.59/8.58 [2019-03-28 12:00:52,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 15.59/8.58 [2019-03-28 12:00:52,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.59/8.58 [2019-03-28 12:00:52,479 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.59/8.58 [2019-03-28 12:00:52,479 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.59/8.58 [2019-03-28 12:00:52,479 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.59/8.58 [2019-03-28 12:00:52,480 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 15.59/8.58 [2019-03-28 12:00:52,480 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 15.59/8.58 [2019-03-28 12:00:52,480 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.59/8.58 [2019-03-28 12:00:52,480 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 15.59/8.58 [2019-03-28 12:00:52,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:00:52 BasicIcfg 15.59/8.58 [2019-03-28 12:00:52,487 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.59/8.58 [2019-03-28 12:00:52,487 INFO L168 Benchmark]: Toolchain (without parser) took 2693.99 ms. Allocated memory was 649.6 MB in the beginning and 662.7 MB in the end (delta: 13.1 MB). Free memory was 563.2 MB in the beginning and 414.0 MB in the end (delta: 149.2 MB). Peak memory consumption was 162.3 MB. Max. memory is 50.3 GB. 15.59/8.58 [2019-03-28 12:00:52,489 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 584.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.59/8.58 [2019-03-28 12:00:52,489 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.31 ms. Allocated memory is still 649.6 MB. Free memory was 563.2 MB in the beginning and 553.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 15.59/8.58 [2019-03-28 12:00:52,490 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.88 ms. Allocated memory was 649.6 MB in the beginning and 662.7 MB in the end (delta: 13.1 MB). Free memory was 553.3 MB in the beginning and 629.6 MB in the end (delta: -76.4 MB). Peak memory consumption was 21.2 MB. Max. memory is 50.3 GB. 15.59/8.58 [2019-03-28 12:00:52,491 INFO L168 Benchmark]: Boogie Preprocessor took 19.27 ms. Allocated memory is still 662.7 MB. Free memory was 629.6 MB in the beginning and 626.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 15.59/8.58 [2019-03-28 12:00:52,491 INFO L168 Benchmark]: RCFGBuilder took 220.55 ms. Allocated memory is still 662.7 MB. Free memory was 626.8 MB in the beginning and 613.3 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 15.59/8.58 [2019-03-28 12:00:52,492 INFO L168 Benchmark]: BlockEncodingV2 took 74.15 ms. Allocated memory is still 662.7 MB. Free memory was 613.3 MB in the beginning and 606.8 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 15.59/8.58 [2019-03-28 12:00:52,492 INFO L168 Benchmark]: TraceAbstraction took 151.07 ms. Allocated memory is still 662.7 MB. Free memory was 606.8 MB in the beginning and 598.2 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 15.59/8.58 [2019-03-28 12:00:52,493 INFO L168 Benchmark]: BuchiAutomizer took 1904.54 ms. Allocated memory is still 662.7 MB. Free memory was 598.2 MB in the beginning and 414.0 MB in the end (delta: 184.2 MB). Peak memory consumption was 184.2 MB. Max. memory is 50.3 GB. 15.59/8.58 [2019-03-28 12:00:52,497 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.59/8.58 --- Results --- 15.59/8.58 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.59/8.58 - StatisticsResult: Initial Icfg 15.59/8.58 8 locations, 11 edges 15.59/8.58 - StatisticsResult: Encoded RCFG 15.59/8.58 3 locations, 4 edges 15.59/8.58 * Results from de.uni_freiburg.informatik.ultimate.core: 15.59/8.58 - StatisticsResult: Toolchain Benchmarks 15.59/8.58 Benchmark results are: 15.59/8.58 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 584.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.59/8.58 * CACSL2BoogieTranslator took 230.31 ms. Allocated memory is still 649.6 MB. Free memory was 563.2 MB in the beginning and 553.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 15.59/8.58 * Boogie Procedure Inliner took 88.88 ms. Allocated memory was 649.6 MB in the beginning and 662.7 MB in the end (delta: 13.1 MB). Free memory was 553.3 MB in the beginning and 629.6 MB in the end (delta: -76.4 MB). Peak memory consumption was 21.2 MB. Max. memory is 50.3 GB. 15.59/8.58 * Boogie Preprocessor took 19.27 ms. Allocated memory is still 662.7 MB. Free memory was 629.6 MB in the beginning and 626.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 15.59/8.58 * RCFGBuilder took 220.55 ms. Allocated memory is still 662.7 MB. Free memory was 626.8 MB in the beginning and 613.3 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 15.59/8.58 * BlockEncodingV2 took 74.15 ms. Allocated memory is still 662.7 MB. Free memory was 613.3 MB in the beginning and 606.8 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 15.59/8.58 * TraceAbstraction took 151.07 ms. Allocated memory is still 662.7 MB. Free memory was 606.8 MB in the beginning and 598.2 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 15.59/8.58 * BuchiAutomizer took 1904.54 ms. Allocated memory is still 662.7 MB. Free memory was 598.2 MB in the beginning and 414.0 MB in the end (delta: 184.2 MB). Peak memory consumption was 184.2 MB. Max. memory is 50.3 GB. 15.59/8.58 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.59/8.58 - AllSpecificationsHoldResult: All specifications hold 15.59/8.58 We were not able to verify any specifiation because the program does not contain any specification. 15.59/8.58 - InvariantResult [Line: 17]: Loop Invariant 15.59/8.58 Derived loop invariant: 1 15.59/8.58 - StatisticsResult: Ultimate Automizer benchmark data 15.59/8.58 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 15.59/8.58 - StatisticsResult: Constructed decomposition of program 15.59/8.58 Your program was decomposed into 4 terminating modules (1 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function i and consists of 4 locations. One nondeterministic module has affine ranking function i and consists of 3 locations. One nondeterministic module has affine ranking function i + -1 * m and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. 15.59/8.58 - StatisticsResult: Timing statistics 15.59/8.58 BüchiAutomizer plugin needed 1.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 21 SDslu, 0 SDs, 0 SdLazy, 33 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf96 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq148 hnf94 smp100 dnf100 smp100 tf107 neg100 sie120 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 57ms VariablesStem: 3 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s 15.59/8.58 - TerminationAnalysisResult: Termination proven 15.59/8.58 Buchi Automizer proved that your program is terminating 15.59/8.58 RESULT: Ultimate proved your program to be correct! 15.59/8.58 !SESSION 2019-03-28 12:00:45.898 ----------------------------------------------- 15.59/8.58 eclipse.buildId=unknown 15.59/8.58 java.version=1.8.0_181 15.59/8.58 java.vendor=Oracle Corporation 15.59/8.58 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.59/8.58 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 15.59/8.58 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 15.59/8.58 15.59/8.58 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:00:52.729 15.59/8.58 !MESSAGE The workspace will exit with unsaved changes in this session. 15.59/8.58 Received shutdown request... 15.59/8.58 Ultimate: 15.59/8.58 GTK+ Version Check 15.59/8.58 EOF