15.96/11.78 YES 15.96/11.78 15.96/11.78 Ultimate: Cannot open display: 15.96/11.78 This is Ultimate 0.1.24-8dc7c08-m 15.96/11.78 [2019-03-28 12:01:01,691 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.96/11.78 [2019-03-28 12:01:01,693 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.96/11.78 [2019-03-28 12:01:01,705 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.96/11.78 [2019-03-28 12:01:01,705 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.96/11.78 [2019-03-28 12:01:01,706 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.96/11.78 [2019-03-28 12:01:01,707 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.96/11.78 [2019-03-28 12:01:01,709 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.96/11.78 [2019-03-28 12:01:01,710 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.96/11.78 [2019-03-28 12:01:01,711 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.96/11.78 [2019-03-28 12:01:01,712 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.96/11.78 [2019-03-28 12:01:01,712 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.96/11.78 [2019-03-28 12:01:01,713 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.96/11.78 [2019-03-28 12:01:01,714 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.96/11.78 [2019-03-28 12:01:01,715 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.96/11.78 [2019-03-28 12:01:01,715 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.96/11.78 [2019-03-28 12:01:01,716 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.96/11.78 [2019-03-28 12:01:01,718 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.96/11.78 [2019-03-28 12:01:01,720 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.96/11.78 [2019-03-28 12:01:01,722 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.96/11.78 [2019-03-28 12:01:01,723 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.96/11.78 [2019-03-28 12:01:01,724 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.96/11.78 [2019-03-28 12:01:01,726 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.96/11.78 [2019-03-28 12:01:01,726 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.96/11.78 [2019-03-28 12:01:01,726 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.96/11.78 [2019-03-28 12:01:01,727 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.96/11.78 [2019-03-28 12:01:01,728 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.96/11.78 [2019-03-28 12:01:01,728 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.96/11.78 [2019-03-28 12:01:01,729 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.96/11.78 [2019-03-28 12:01:01,729 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.96/11.78 [2019-03-28 12:01:01,730 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.96/11.78 [2019-03-28 12:01:01,731 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.96/11.78 [2019-03-28 12:01:01,732 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.96/11.78 [2019-03-28 12:01:01,732 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.96/11.78 [2019-03-28 12:01:01,733 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.96/11.78 [2019-03-28 12:01:01,733 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.96/11.78 [2019-03-28 12:01:01,733 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.96/11.78 [2019-03-28 12:01:01,734 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.96/11.78 [2019-03-28 12:01:01,734 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.96/11.78 [2019-03-28 12:01:01,735 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 15.96/11.78 [2019-03-28 12:01:01,749 INFO L110 SettingsManager]: Loading preferences was successful 15.96/11.78 [2019-03-28 12:01:01,750 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.96/11.78 [2019-03-28 12:01:01,751 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.96/11.78 [2019-03-28 12:01:01,751 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.96/11.78 [2019-03-28 12:01:01,751 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.96/11.78 [2019-03-28 12:01:01,751 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.96/11.78 [2019-03-28 12:01:01,751 INFO L133 SettingsManager]: * Use SBE=true 15.96/11.78 [2019-03-28 12:01:01,752 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.96/11.78 [2019-03-28 12:01:01,752 INFO L133 SettingsManager]: * Use old map elimination=false 15.96/11.78 [2019-03-28 12:01:01,752 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.96/11.78 [2019-03-28 12:01:01,752 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.96/11.78 [2019-03-28 12:01:01,752 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.96/11.78 [2019-03-28 12:01:01,752 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.96/11.78 [2019-03-28 12:01:01,753 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.96/11.78 [2019-03-28 12:01:01,753 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.96/11.78 [2019-03-28 12:01:01,753 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.96/11.78 [2019-03-28 12:01:01,753 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.96/11.78 [2019-03-28 12:01:01,753 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.96/11.78 [2019-03-28 12:01:01,753 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.96/11.78 [2019-03-28 12:01:01,754 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.96/11.78 [2019-03-28 12:01:01,754 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.96/11.78 [2019-03-28 12:01:01,754 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.96/11.78 [2019-03-28 12:01:01,754 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.96/11.78 [2019-03-28 12:01:01,754 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.96/11.78 [2019-03-28 12:01:01,754 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.96/11.78 [2019-03-28 12:01:01,755 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.96/11.78 [2019-03-28 12:01:01,755 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.96/11.78 [2019-03-28 12:01:01,755 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.96/11.78 [2019-03-28 12:01:01,755 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.96/11.78 [2019-03-28 12:01:01,781 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.96/11.78 [2019-03-28 12:01:01,798 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.96/11.78 [2019-03-28 12:01:01,802 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.96/11.78 [2019-03-28 12:01:01,803 INFO L271 PluginConnector]: Initializing CDTParser... 15.96/11.78 [2019-03-28 12:01:01,803 INFO L276 PluginConnector]: CDTParser initialized 15.96/11.78 [2019-03-28 12:01:01,804 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 15.96/11.78 [2019-03-28 12:01:01,923 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/5bc00f8fc5e140778427f90232c930c4/FLAG2096c64b3 15.96/11.78 [2019-03-28 12:01:04,733 INFO L307 CDTParser]: Found 1 translation units. 15.96/11.78 [2019-03-28 12:01:04,734 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 15.96/11.78 [2019-03-28 12:01:04,741 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/5bc00f8fc5e140778427f90232c930c4/FLAG2096c64b3 15.96/11.78 [2019-03-28 12:01:05,146 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/5bc00f8fc5e140778427f90232c930c4 15.96/11.78 [2019-03-28 12:01:05,158 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.96/11.78 [2019-03-28 12:01:05,161 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.96/11.78 [2019-03-28 12:01:05,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.96/11.78 [2019-03-28 12:01:05,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.96/11.78 [2019-03-28 12:01:05,166 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.96/11.78 [2019-03-28 12:01:05,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:01:05" (1/1) ... 15.96/11.78 [2019-03-28 12:01:05,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e3b673d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:05, skipping insertion in model container 15.96/11.78 [2019-03-28 12:01:05,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:01:05" (1/1) ... 15.96/11.78 [2019-03-28 12:01:05,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.96/11.78 [2019-03-28 12:01:05,197 INFO L176 MainTranslator]: Built tables and reachable declarations 15.96/11.78 [2019-03-28 12:01:05,357 INFO L206 PostProcessor]: Analyzing one entry point: main 15.96/11.78 [2019-03-28 12:01:05,362 INFO L191 MainTranslator]: Completed pre-run 15.96/11.78 [2019-03-28 12:01:05,379 INFO L206 PostProcessor]: Analyzing one entry point: main 15.96/11.78 [2019-03-28 12:01:05,394 INFO L195 MainTranslator]: Completed translation 15.96/11.78 [2019-03-28 12:01:05,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:05 WrapperNode 15.96/11.78 [2019-03-28 12:01:05,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.96/11.78 [2019-03-28 12:01:05,396 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.96/11.78 [2019-03-28 12:01:05,396 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.96/11.78 [2019-03-28 12:01:05,396 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.96/11.78 [2019-03-28 12:01:05,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:05" (1/1) ... 15.96/11.78 [2019-03-28 12:01:05,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:05" (1/1) ... 15.96/11.78 [2019-03-28 12:01:05,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.96/11.78 [2019-03-28 12:01:05,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.96/11.78 [2019-03-28 12:01:05,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.96/11.78 [2019-03-28 12:01:05,494 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.96/11.78 [2019-03-28 12:01:05,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:05" (1/1) ... 15.96/11.78 [2019-03-28 12:01:05,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:05" (1/1) ... 15.96/11.78 [2019-03-28 12:01:05,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:05" (1/1) ... 15.96/11.78 [2019-03-28 12:01:05,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:05" (1/1) ... 15.96/11.78 [2019-03-28 12:01:05,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:05" (1/1) ... 15.96/11.78 [2019-03-28 12:01:05,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:05" (1/1) ... 15.96/11.78 [2019-03-28 12:01:05,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:05" (1/1) ... 15.96/11.78 [2019-03-28 12:01:05,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.96/11.78 [2019-03-28 12:01:05,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.96/11.78 [2019-03-28 12:01:05,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.96/11.78 [2019-03-28 12:01:05,514 INFO L276 PluginConnector]: RCFGBuilder initialized 15.96/11.78 [2019-03-28 12:01:05,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:05" (1/1) ... 15.96/11.78 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.96/11.78 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.96/11.79 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.96/11.79 [2019-03-28 12:01:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.96/11.79 [2019-03-28 12:01:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.96/11.79 [2019-03-28 12:01:05,722 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.96/11.79 [2019-03-28 12:01:05,722 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 15.96/11.79 [2019-03-28 12:01:05,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:01:05 BoogieIcfgContainer 15.96/11.79 [2019-03-28 12:01:05,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.96/11.79 [2019-03-28 12:01:05,724 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.96/11.79 [2019-03-28 12:01:05,725 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.96/11.79 [2019-03-28 12:01:05,727 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.96/11.79 [2019-03-28 12:01:05,727 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:01:05" (1/1) ... 15.96/11.79 [2019-03-28 12:01:05,742 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 15.96/11.79 [2019-03-28 12:01:05,744 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.96/11.79 [2019-03-28 12:01:05,744 INFO L263 BlockEncoder]: Using Maximize final states 15.96/11.79 [2019-03-28 12:01:05,745 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.96/11.79 [2019-03-28 12:01:05,745 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.96/11.79 [2019-03-28 12:01:05,747 INFO L296 BlockEncoder]: Using Remove sink states 15.96/11.79 [2019-03-28 12:01:05,748 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.96/11.79 [2019-03-28 12:01:05,748 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.96/11.79 [2019-03-28 12:01:05,763 INFO L185 BlockEncoder]: Using Use SBE 15.96/11.79 [2019-03-28 12:01:05,777 INFO L200 BlockEncoder]: SBE split 1 edges 15.96/11.79 [2019-03-28 12:01:05,782 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 15.96/11.79 [2019-03-28 12:01:05,784 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.96/11.79 [2019-03-28 12:01:05,792 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 15.96/11.79 [2019-03-28 12:01:05,794 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states 15.96/11.79 [2019-03-28 12:01:05,795 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.96/11.79 [2019-03-28 12:01:05,795 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.96/11.79 [2019-03-28 12:01:05,798 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 15.96/11.79 [2019-03-28 12:01:05,799 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.96/11.79 [2019-03-28 12:01:05,799 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.96/11.79 [2019-03-28 12:01:05,799 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.96/11.79 [2019-03-28 12:01:05,800 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.96/11.79 [2019-03-28 12:01:05,800 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.96/11.79 [2019-03-28 12:01:05,800 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 15.96/11.79 [2019-03-28 12:01:05,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:01:05 BasicIcfg 15.96/11.79 [2019-03-28 12:01:05,801 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.96/11.79 [2019-03-28 12:01:05,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.96/11.79 [2019-03-28 12:01:05,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.96/11.79 [2019-03-28 12:01:05,805 INFO L276 PluginConnector]: TraceAbstraction initialized 15.96/11.79 [2019-03-28 12:01:05,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:01:05" (1/4) ... 15.96/11.79 [2019-03-28 12:01:05,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7157a046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:01:05, skipping insertion in model container 15.96/11.79 [2019-03-28 12:01:05,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:05" (2/4) ... 15.96/11.79 [2019-03-28 12:01:05,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7157a046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:01:05, skipping insertion in model container 15.96/11.79 [2019-03-28 12:01:05,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:01:05" (3/4) ... 15.96/11.79 [2019-03-28 12:01:05,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7157a046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:01:05, skipping insertion in model container 15.96/11.79 [2019-03-28 12:01:05,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:01:05" (4/4) ... 15.96/11.79 [2019-03-28 12:01:05,809 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.96/11.79 [2019-03-28 12:01:05,819 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.96/11.79 [2019-03-28 12:01:05,828 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.96/11.79 [2019-03-28 12:01:05,847 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.96/11.79 [2019-03-28 12:01:05,875 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.96/11.79 [2019-03-28 12:01:05,876 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.96/11.79 [2019-03-28 12:01:05,877 INFO L383 AbstractCegarLoop]: Hoare is true 15.96/11.79 [2019-03-28 12:01:05,877 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.96/11.79 [2019-03-28 12:01:05,877 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.96/11.79 [2019-03-28 12:01:05,877 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.96/11.79 [2019-03-28 12:01:05,877 INFO L387 AbstractCegarLoop]: Difference is false 15.96/11.79 [2019-03-28 12:01:05,877 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.96/11.79 [2019-03-28 12:01:05,878 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.96/11.79 [2019-03-28 12:01:05,892 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 15.96/11.79 [2019-03-28 12:01:05,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.96/11.79 [2019-03-28 12:01:05,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 15.96/11.79 [2019-03-28 12:01:05,954 INFO L451 ceAbstractionStarter]: At program point L19-2(lines 18 25) the Hoare annotation is: true 15.96/11.79 [2019-03-28 12:01:05,955 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.96/11.79 [2019-03-28 12:01:05,955 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 24) no Hoare annotation was computed. 15.96/11.79 [2019-03-28 12:01:05,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:01:05 BasicIcfg 15.96/11.79 [2019-03-28 12:01:05,964 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.96/11.79 [2019-03-28 12:01:05,964 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.96/11.79 [2019-03-28 12:01:05,964 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.96/11.79 [2019-03-28 12:01:05,968 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.96/11.79 [2019-03-28 12:01:05,969 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.96/11.79 [2019-03-28 12:01:05,969 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:01:05" (1/5) ... 15.96/11.79 [2019-03-28 12:01:05,970 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fce19b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:01:05, skipping insertion in model container 15.96/11.79 [2019-03-28 12:01:05,970 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.96/11.79 [2019-03-28 12:01:05,970 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:05" (2/5) ... 15.96/11.79 [2019-03-28 12:01:05,970 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fce19b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:01:05, skipping insertion in model container 15.96/11.79 [2019-03-28 12:01:05,970 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.96/11.79 [2019-03-28 12:01:05,971 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:01:05" (3/5) ... 15.96/11.79 [2019-03-28 12:01:05,971 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fce19b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:01:05, skipping insertion in model container 15.96/11.79 [2019-03-28 12:01:05,971 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.96/11.79 [2019-03-28 12:01:05,971 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:01:05" (4/5) ... 15.96/11.79 [2019-03-28 12:01:05,972 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fce19b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:01:05, skipping insertion in model container 15.96/11.79 [2019-03-28 12:01:05,972 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.96/11.79 [2019-03-28 12:01:05,972 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:01:05" (5/5) ... 15.96/11.79 [2019-03-28 12:01:05,973 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.96/11.79 [2019-03-28 12:01:06,001 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.96/11.79 [2019-03-28 12:01:06,001 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.96/11.79 [2019-03-28 12:01:06,001 INFO L375 BuchiCegarLoop]: Hoare is true 15.96/11.79 [2019-03-28 12:01:06,001 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.96/11.79 [2019-03-28 12:01:06,002 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.96/11.79 [2019-03-28 12:01:06,002 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.96/11.79 [2019-03-28 12:01:06,002 INFO L379 BuchiCegarLoop]: Difference is false 15.96/11.79 [2019-03-28 12:01:06,002 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.96/11.79 [2019-03-28 12:01:06,002 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.96/11.79 [2019-03-28 12:01:06,005 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 15.96/11.79 [2019-03-28 12:01:06,022 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.96/11.79 [2019-03-28 12:01:06,023 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.96/11.79 [2019-03-28 12:01:06,023 INFO L119 BuchiIsEmpty]: Starting construction of run 15.96/11.79 [2019-03-28 12:01:06,028 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.96/11.79 [2019-03-28 12:01:06,028 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.96/11.79 [2019-03-28 12:01:06,029 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.96/11.79 [2019-03-28 12:01:06,029 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 15.96/11.79 [2019-03-28 12:01:06,029 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.96/11.79 [2019-03-28 12:01:06,029 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.96/11.79 [2019-03-28 12:01:06,030 INFO L119 BuchiIsEmpty]: Starting construction of run 15.96/11.79 [2019-03-28 12:01:06,030 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.96/11.79 [2019-03-28 12:01:06,030 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.96/11.79 [2019-03-28 12:01:06,035 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [48] ULTIMATE.startENTRY-->L19-2: Formula: (and (< 0 v_ULTIMATE.start_main_~m~0_8) (= 0 v_ULTIMATE.start_main_~i~0_9) (= 0 v_ULTIMATE.start_main_~j~0_9) (< v_ULTIMATE.start_main_~m~0_8 v_ULTIMATE.start_main_~n~0_8)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_8, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_8, ULTIMATE.start_main_#t~post3=|v_ULTIMATE.start_main_#t~post3_4|, ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_4|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~m~0, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_#t~post3, ULTIMATE.start_main_#t~post2, ULTIMATE.start_main_~i~0] 4#L19-2true 15.96/11.79 [2019-03-28 12:01:06,036 INFO L796 eck$LassoCheckResult]: Loop: 4#L19-2true [36] L19-2-->L19: Formula: (< v_ULTIMATE.start_main_~i~0_8 v_ULTIMATE.start_main_~n~0_7) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[] 5#L19true [37] L19-->L19-2: Formula: (and (< v_ULTIMATE.start_main_~j~0_2 v_ULTIMATE.start_main_~m~0_1) (= (+ v_ULTIMATE.start_main_~j~0_2 1) v_ULTIMATE.start_main_~j~0_1)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_2, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_1} OutVars{ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#t~post2] 4#L19-2true 15.96/11.79 [2019-03-28 12:01:06,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.96/11.79 [2019-03-28 12:01:06,042 INFO L82 PathProgramCache]: Analyzing trace with hash 79, now seen corresponding path program 1 times 15.96/11.79 [2019-03-28 12:01:06,044 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.96/11.79 [2019-03-28 12:01:06,044 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.96/11.79 [2019-03-28 12:01:06,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.96/11.79 [2019-03-28 12:01:06,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.96/11.79 [2019-03-28 12:01:06,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.96/11.79 [2019-03-28 12:01:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.96/11.79 [2019-03-28 12:01:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.96/11.79 [2019-03-28 12:01:06,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.96/11.79 [2019-03-28 12:01:06,139 INFO L82 PathProgramCache]: Analyzing trace with hash 2114, now seen corresponding path program 1 times 15.96/11.79 [2019-03-28 12:01:06,139 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.96/11.79 [2019-03-28 12:01:06,140 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.96/11.79 [2019-03-28 12:01:06,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.96/11.79 [2019-03-28 12:01:06,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.96/11.79 [2019-03-28 12:01:06,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.96/11.79 [2019-03-28 12:01:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.96/11.79 [2019-03-28 12:01:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.96/11.79 [2019-03-28 12:01:06,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.96/11.79 [2019-03-28 12:01:06,149 INFO L82 PathProgramCache]: Analyzing trace with hash 77072, now seen corresponding path program 1 times 15.96/11.79 [2019-03-28 12:01:06,150 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.96/11.79 [2019-03-28 12:01:06,150 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.96/11.79 [2019-03-28 12:01:06,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.96/11.79 [2019-03-28 12:01:06,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.96/11.79 [2019-03-28 12:01:06,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.96/11.79 [2019-03-28 12:01:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.96/11.79 [2019-03-28 12:01:06,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.96/11.79 [2019-03-28 12:01:06,202 INFO L216 LassoAnalysis]: Preferences: 15.96/11.79 [2019-03-28 12:01:06,203 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.96/11.79 [2019-03-28 12:01:06,204 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.96/11.79 [2019-03-28 12:01:06,204 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.96/11.79 [2019-03-28 12:01:06,204 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.96/11.79 [2019-03-28 12:01:06,204 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.96/11.79 [2019-03-28 12:01:06,204 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.96/11.79 [2019-03-28 12:01:06,205 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.96/11.79 [2019-03-28 12:01:06,205 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.96/11.79 [2019-03-28 12:01:06,205 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.96/11.79 [2019-03-28 12:01:06,205 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.96/11.79 [2019-03-28 12:01:06,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.96/11.79 [2019-03-28 12:01:06,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.96/11.79 [2019-03-28 12:01:06,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.96/11.79 [2019-03-28 12:01:06,288 INFO L300 LassoAnalysis]: Preprocessing complete. 15.96/11.79 [2019-03-28 12:01:06,289 INFO L412 LassoAnalysis]: Checking for nontermination... 15.96/11.79 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.96/11.79 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.96/11.79 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.96/11.79 [2019-03-28 12:01:06,297 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.96/11.79 [2019-03-28 12:01:06,297 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.96/11.79 [2019-03-28 12:01:06,330 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.96/11.79 [2019-03-28 12:01:06,331 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~n~0=1, ULTIMATE.start_main_~i~0=0} Honda state: {ULTIMATE.start_main_~n~0=1, ULTIMATE.start_main_~i~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.96/11.79 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.96/11.79 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.96/11.79 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.96/11.79 [2019-03-28 12:01:06,338 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.96/11.79 [2019-03-28 12:01:06,338 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.96/11.79 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.96/11.79 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.96/11.79 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.96/11.79 [2019-03-28 12:01:06,372 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.96/11.79 [2019-03-28 12:01:06,372 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.96/11.79 [2019-03-28 12:01:06,573 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.96/11.79 [2019-03-28 12:01:06,576 INFO L216 LassoAnalysis]: Preferences: 15.96/11.79 [2019-03-28 12:01:06,576 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.96/11.79 [2019-03-28 12:01:06,576 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.96/11.79 [2019-03-28 12:01:06,576 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.96/11.79 [2019-03-28 12:01:06,577 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.96/11.79 [2019-03-28 12:01:06,577 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.96/11.79 [2019-03-28 12:01:06,577 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.96/11.79 [2019-03-28 12:01:06,577 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.96/11.79 [2019-03-28 12:01:06,577 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.96/11.79 [2019-03-28 12:01:06,577 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.96/11.79 [2019-03-28 12:01:06,577 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.96/11.79 [2019-03-28 12:01:06,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.96/11.79 [2019-03-28 12:01:06,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.96/11.79 [2019-03-28 12:01:06,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.96/11.79 [2019-03-28 12:01:06,639 INFO L300 LassoAnalysis]: Preprocessing complete. 15.96/11.79 [2019-03-28 12:01:06,645 INFO L497 LassoAnalysis]: Using template 'affine'. 15.96/11.79 [2019-03-28 12:01:06,647 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.96/11.79 Termination analysis: LINEAR_WITH_GUESSES 15.96/11.79 Number of strict supporting invariants: 0 15.96/11.79 Number of non-strict supporting invariants: 1 15.96/11.79 Consider only non-deceasing supporting invariants: true 15.96/11.79 Simplify termination arguments: true 15.96/11.79 Simplify supporting invariants: trueOverapproximate stem: false 15.96/11.79 [2019-03-28 12:01:06,648 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.96/11.79 [2019-03-28 12:01:06,648 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.96/11.79 [2019-03-28 12:01:06,649 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.96/11.79 [2019-03-28 12:01:06,649 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.96/11.79 [2019-03-28 12:01:06,649 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.96/11.79 [2019-03-28 12:01:06,651 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.96/11.79 [2019-03-28 12:01:06,652 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.96/11.79 [2019-03-28 12:01:06,654 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.96/11.79 [2019-03-28 12:01:06,655 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.96/11.79 Termination analysis: LINEAR_WITH_GUESSES 15.96/11.79 Number of strict supporting invariants: 0 15.96/11.79 Number of non-strict supporting invariants: 1 15.96/11.79 Consider only non-deceasing supporting invariants: true 15.96/11.79 Simplify termination arguments: true 15.96/11.79 Simplify supporting invariants: trueOverapproximate stem: false 15.96/11.79 [2019-03-28 12:01:06,655 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.96/11.79 [2019-03-28 12:01:06,656 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.96/11.79 [2019-03-28 12:01:06,656 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.96/11.79 [2019-03-28 12:01:06,656 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.96/11.79 [2019-03-28 12:01:06,656 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.96/11.79 [2019-03-28 12:01:06,657 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.96/11.79 [2019-03-28 12:01:06,657 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.96/11.79 [2019-03-28 12:01:06,664 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.96/11.79 [2019-03-28 12:01:06,669 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.96/11.79 [2019-03-28 12:01:06,669 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 15.96/11.79 [2019-03-28 12:01:06,671 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.96/11.79 [2019-03-28 12:01:06,672 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.96/11.79 [2019-03-28 12:01:06,672 INFO L518 LassoAnalysis]: Proved termination. 15.96/11.79 [2019-03-28 12:01:06,672 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.96/11.79 Ranking function f(ULTIMATE.start_main_~m~0, ULTIMATE.start_main_~j~0) = 1*ULTIMATE.start_main_~m~0 - 1*ULTIMATE.start_main_~j~0 15.96/11.79 Supporting invariants [] 15.96/11.79 [2019-03-28 12:01:06,674 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.96/11.79 [2019-03-28 12:01:06,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.96/11.79 [2019-03-28 12:01:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.96/11.79 [2019-03-28 12:01:06,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 15.96/11.79 [2019-03-28 12:01:06,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.96/11.79 [2019-03-28 12:01:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.96/11.79 [2019-03-28 12:01:06,724 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 15.96/11.79 [2019-03-28 12:01:06,725 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.96/11.79 [2019-03-28 12:01:06,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.96/11.79 [2019-03-28 12:01:06,741 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 15.96/11.79 [2019-03-28 12:01:06,745 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates 15.96/11.79 [2019-03-28 12:01:06,747 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 15.96/11.79 [2019-03-28 12:01:06,776 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 7 states and 10 transitions. Complement of second has 4 states. 15.96/11.79 [2019-03-28 12:01:06,776 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 15.96/11.79 [2019-03-28 12:01:06,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.96/11.79 [2019-03-28 12:01:06,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. 15.96/11.79 [2019-03-28 12:01:06,781 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 1 letters. Loop has 2 letters. 15.96/11.79 [2019-03-28 12:01:06,782 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.96/11.79 [2019-03-28 12:01:06,782 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 2 letters. 15.96/11.79 [2019-03-28 12:01:06,782 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.96/11.79 [2019-03-28 12:01:06,783 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 1 letters. Loop has 4 letters. 15.96/11.79 [2019-03-28 12:01:06,783 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.96/11.79 [2019-03-28 12:01:06,789 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 10 transitions. 15.96/11.79 [2019-03-28 12:01:06,790 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.96/11.79 [2019-03-28 12:01:06,793 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 10 transitions. 15.96/11.79 [2019-03-28 12:01:06,795 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 15.96/11.79 [2019-03-28 12:01:06,795 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 15.96/11.79 [2019-03-28 12:01:06,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. 15.96/11.79 [2019-03-28 12:01:06,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.96/11.79 [2019-03-28 12:01:06,796 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 15.96/11.79 [2019-03-28 12:01:06,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. 15.96/11.79 [2019-03-28 12:01:06,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. 15.96/11.79 [2019-03-28 12:01:06,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 15.96/11.79 [2019-03-28 12:01:06,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. 15.96/11.79 [2019-03-28 12:01:06,825 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 15.96/11.79 [2019-03-28 12:01:06,826 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 15.96/11.79 [2019-03-28 12:01:06,826 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.96/11.79 [2019-03-28 12:01:06,826 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. 15.96/11.79 [2019-03-28 12:01:06,827 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.96/11.79 [2019-03-28 12:01:06,827 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.96/11.79 [2019-03-28 12:01:06,827 INFO L119 BuchiIsEmpty]: Starting construction of run 15.96/11.79 [2019-03-28 12:01:06,827 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 15.96/11.79 [2019-03-28 12:01:06,827 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.96/11.79 [2019-03-28 12:01:06,828 INFO L794 eck$LassoCheckResult]: Stem: 41#ULTIMATE.startENTRY [48] ULTIMATE.startENTRY-->L19-2: Formula: (and (< 0 v_ULTIMATE.start_main_~m~0_8) (= 0 v_ULTIMATE.start_main_~i~0_9) (= 0 v_ULTIMATE.start_main_~j~0_9) (< v_ULTIMATE.start_main_~m~0_8 v_ULTIMATE.start_main_~n~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_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_8, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_8, ULTIMATE.start_main_#t~post3=|v_ULTIMATE.start_main_#t~post3_4|, ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_4|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~m~0, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_#t~post3, ULTIMATE.start_main_#t~post2, ULTIMATE.start_main_~i~0] 42#L19-2 [36] L19-2-->L19: Formula: (< v_ULTIMATE.start_main_~i~0_8 v_ULTIMATE.start_main_~n~0_7) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[] 47#L19 [43] L19-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_6 0) (>= v_ULTIMATE.start_main_~j~0_7 v_ULTIMATE.start_main_~m~0_5) (= (+ v_ULTIMATE.start_main_~i~0_5 1) v_ULTIMATE.start_main_~i~0_4)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_5, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_5} OutVars{ULTIMATE.start_main_#t~post3=|v_ULTIMATE.start_main_#t~post3_2|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_4, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_6, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#t~post3, ULTIMATE.start_main_~i~0] 43#L19-2 15.97/11.79 [2019-03-28 12:01:06,828 INFO L796 eck$LassoCheckResult]: Loop: 43#L19-2 [36] L19-2-->L19: Formula: (< v_ULTIMATE.start_main_~i~0_8 v_ULTIMATE.start_main_~n~0_7) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[] 44#L19 [37] L19-->L19-2: Formula: (and (< v_ULTIMATE.start_main_~j~0_2 v_ULTIMATE.start_main_~m~0_1) (= (+ v_ULTIMATE.start_main_~j~0_2 1) v_ULTIMATE.start_main_~j~0_1)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_2, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_1} OutVars{ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#t~post2] 43#L19-2 15.97/11.79 [2019-03-28 12:01:06,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.97/11.79 [2019-03-28 12:01:06,828 INFO L82 PathProgramCache]: Analyzing trace with hash 77078, now seen corresponding path program 1 times 15.97/11.79 [2019-03-28 12:01:06,829 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.97/11.79 [2019-03-28 12:01:06,829 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.97/11.79 [2019-03-28 12:01:06,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.97/11.79 [2019-03-28 12:01:06,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.97/11.79 [2019-03-28 12:01:06,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.97/11.79 [2019-03-28 12:01:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.97/11.79 [2019-03-28 12:01:06,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.97/11.79 [2019-03-28 12:01:06,870 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 15.97/11.79 [2019-03-28 12:01:06,870 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 15.97/11.79 [2019-03-28 12:01:06,872 INFO L799 eck$LassoCheckResult]: stem already infeasible 15.97/11.79 [2019-03-28 12:01:06,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.97/11.79 [2019-03-28 12:01:06,873 INFO L82 PathProgramCache]: Analyzing trace with hash 2114, now seen corresponding path program 2 times 15.97/11.79 [2019-03-28 12:01:06,873 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.97/11.79 [2019-03-28 12:01:06,873 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.97/11.79 [2019-03-28 12:01:06,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.97/11.79 [2019-03-28 12:01:06,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.97/11.79 [2019-03-28 12:01:06,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.97/11.79 [2019-03-28 12:01:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.97/11.79 [2019-03-28 12:01:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.97/11.79 [2019-03-28 12:01:06,899 INFO L216 LassoAnalysis]: Preferences: 15.97/11.79 [2019-03-28 12:01:06,899 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.97/11.79 [2019-03-28 12:01:06,899 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.97/11.79 [2019-03-28 12:01:06,900 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.97/11.79 [2019-03-28 12:01:06,900 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.97/11.79 [2019-03-28 12:01:06,900 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.97/11.79 [2019-03-28 12:01:06,900 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.97/11.79 [2019-03-28 12:01:06,900 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.97/11.79 [2019-03-28 12:01:06,900 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.97/11.79 [2019-03-28 12:01:06,900 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.97/11.79 [2019-03-28 12:01:06,901 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.97/11.79 [2019-03-28 12:01:06,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.97/11.79 [2019-03-28 12:01:06,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.97/11.79 [2019-03-28 12:01:06,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.97/11.79 [2019-03-28 12:01:06,962 INFO L300 LassoAnalysis]: Preprocessing complete. 15.97/11.79 [2019-03-28 12:01:06,962 INFO L412 LassoAnalysis]: Checking for nontermination... 15.97/11.79 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.97/11.79 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.97/11.79 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.97/11.79 [2019-03-28 12:01:06,967 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.97/11.79 [2019-03-28 12:01:06,967 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.97/11.79 [2019-03-28 12:01:06,971 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.97/11.79 [2019-03-28 12:01:06,972 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: [] 15.97/11.79 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.97/11.79 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.97/11.79 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.97/11.79 [2019-03-28 12:01:07,000 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.97/11.79 [2019-03-28 12:01:07,001 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.97/11.79 [2019-03-28 12:01:07,028 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.97/11.79 [2019-03-28 12:01:07,028 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~n~0=1, ULTIMATE.start_main_~i~0=0} Honda state: {ULTIMATE.start_main_~n~0=1, ULTIMATE.start_main_~i~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.97/11.79 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.97/11.79 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.97/11.79 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.97/11.79 [2019-03-28 12:01:07,038 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.97/11.79 [2019-03-28 12:01:07,038 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.97/11.79 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.97/11.79 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.97/11.79 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.97/11.79 [2019-03-28 12:01:07,071 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.97/11.79 [2019-03-28 12:01:07,071 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.97/11.79 [2019-03-28 12:01:07,276 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.97/11.79 [2019-03-28 12:01:07,278 INFO L216 LassoAnalysis]: Preferences: 15.97/11.79 [2019-03-28 12:01:07,278 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.97/11.79 [2019-03-28 12:01:07,279 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.97/11.79 [2019-03-28 12:01:07,279 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.97/11.79 [2019-03-28 12:01:07,279 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.97/11.79 [2019-03-28 12:01:07,279 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.97/11.79 [2019-03-28 12:01:07,279 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.97/11.79 [2019-03-28 12:01:07,279 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.97/11.79 [2019-03-28 12:01:07,279 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.97/11.79 [2019-03-28 12:01:07,279 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.97/11.79 [2019-03-28 12:01:07,280 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.97/11.79 [2019-03-28 12:01:07,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.97/11.79 [2019-03-28 12:01:07,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.97/11.79 [2019-03-28 12:01:07,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.97/11.79 [2019-03-28 12:01:07,321 INFO L300 LassoAnalysis]: Preprocessing complete. 15.97/11.79 [2019-03-28 12:01:07,321 INFO L497 LassoAnalysis]: Using template 'affine'. 15.97/11.79 [2019-03-28 12:01:07,322 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.97/11.79 Termination analysis: LINEAR_WITH_GUESSES 15.97/11.79 Number of strict supporting invariants: 0 15.97/11.79 Number of non-strict supporting invariants: 1 15.97/11.79 Consider only non-deceasing supporting invariants: true 15.97/11.79 Simplify termination arguments: true 15.97/11.79 Simplify supporting invariants: trueOverapproximate stem: false 15.97/11.79 [2019-03-28 12:01:07,323 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.97/11.79 [2019-03-28 12:01:07,323 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.97/11.79 [2019-03-28 12:01:07,323 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.97/11.79 [2019-03-28 12:01:07,323 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.97/11.79 [2019-03-28 12:01:07,323 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.97/11.79 [2019-03-28 12:01:07,324 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.97/11.79 [2019-03-28 12:01:07,324 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.97/11.79 [2019-03-28 12:01:07,326 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.97/11.79 [2019-03-28 12:01:07,326 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.97/11.79 Termination analysis: LINEAR_WITH_GUESSES 15.97/11.79 Number of strict supporting invariants: 0 15.97/11.79 Number of non-strict supporting invariants: 1 15.97/11.79 Consider only non-deceasing supporting invariants: true 15.97/11.79 Simplify termination arguments: true 15.97/11.79 Simplify supporting invariants: trueOverapproximate stem: false 15.97/11.79 [2019-03-28 12:01:07,326 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.97/11.79 [2019-03-28 12:01:07,327 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.97/11.79 [2019-03-28 12:01:07,327 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.97/11.79 [2019-03-28 12:01:07,327 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.97/11.79 [2019-03-28 12:01:07,327 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.97/11.79 [2019-03-28 12:01:07,328 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.97/11.79 [2019-03-28 12:01:07,328 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.97/11.79 [2019-03-28 12:01:07,329 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.97/11.79 [2019-03-28 12:01:07,329 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.97/11.79 Termination analysis: LINEAR_WITH_GUESSES 15.97/11.79 Number of strict supporting invariants: 0 15.97/11.79 Number of non-strict supporting invariants: 1 15.97/11.79 Consider only non-deceasing supporting invariants: true 15.97/11.79 Simplify termination arguments: true 15.97/11.79 Simplify supporting invariants: trueOverapproximate stem: false 15.97/11.79 [2019-03-28 12:01:07,330 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.97/11.79 [2019-03-28 12:01:07,330 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.97/11.79 [2019-03-28 12:01:07,330 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.97/11.79 [2019-03-28 12:01:07,330 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.97/11.79 [2019-03-28 12:01:07,331 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.97/11.79 [2019-03-28 12:01:07,331 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.97/11.79 [2019-03-28 12:01:07,332 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.97/11.79 [2019-03-28 12:01:07,337 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.97/11.79 [2019-03-28 12:01:07,343 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 15.97/11.79 [2019-03-28 12:01:07,343 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 15.97/11.79 [2019-03-28 12:01:07,343 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.97/11.79 [2019-03-28 12:01:07,343 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.97/11.79 [2019-03-28 12:01:07,344 INFO L518 LassoAnalysis]: Proved termination. 15.97/11.79 [2019-03-28 12:01:07,344 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.97/11.79 Ranking function f(ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~m~0) = -1*ULTIMATE.start_main_~j~0 + 1*ULTIMATE.start_main_~m~0 15.97/11.79 Supporting invariants [] 15.97/11.79 [2019-03-28 12:01:07,344 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.97/11.79 [2019-03-28 12:01:07,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.97/11.79 [2019-03-28 12:01:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.97/11.79 [2019-03-28 12:01:07,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core 15.97/11.79 [2019-03-28 12:01:07,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.97/11.79 [2019-03-28 12:01:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.97/11.79 [2019-03-28 12:01:07,370 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 15.97/11.79 [2019-03-28 12:01:07,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.97/11.79 [2019-03-28 12:01:07,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.97/11.79 [2019-03-28 12:01:07,372 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 15.97/11.79 [2019-03-28 12:01:07,372 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates 15.97/11.79 [2019-03-28 12:01:07,372 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. 15.97/11.79 [2019-03-28 12:01:07,382 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 9 states and 13 transitions. Complement of second has 4 states. 15.97/11.79 [2019-03-28 12:01:07,382 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 15.97/11.79 [2019-03-28 12:01:07,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.97/11.79 [2019-03-28 12:01:07,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. 15.97/11.79 [2019-03-28 12:01:07,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 2 letters. 15.97/11.79 [2019-03-28 12:01:07,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.97/11.79 [2019-03-28 12:01:07,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 2 letters. 15.97/11.79 [2019-03-28 12:01:07,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.97/11.79 [2019-03-28 12:01:07,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 4 letters. 15.97/11.79 [2019-03-28 12:01:07,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.97/11.79 [2019-03-28 12:01:07,386 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 13 transitions. 15.97/11.79 [2019-03-28 12:01:07,387 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.97/11.79 [2019-03-28 12:01:07,387 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 13 transitions. 15.97/11.79 [2019-03-28 12:01:07,387 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 15.97/11.79 [2019-03-28 12:01:07,388 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 15.97/11.79 [2019-03-28 12:01:07,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 13 transitions. 15.97/11.79 [2019-03-28 12:01:07,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.97/11.79 [2019-03-28 12:01:07,388 INFO L706 BuchiCegarLoop]: Abstraction has 9 states and 13 transitions. 15.97/11.79 [2019-03-28 12:01:07,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 13 transitions. 15.97/11.79 [2019-03-28 12:01:07,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 5. 15.97/11.79 [2019-03-28 12:01:07,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 15.97/11.79 [2019-03-28 12:01:07,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. 15.97/11.79 [2019-03-28 12:01:07,389 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. 15.97/11.79 [2019-03-28 12:01:07,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 15.97/11.79 [2019-03-28 12:01:07,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 15.97/11.79 [2019-03-28 12:01:07,393 INFO L87 Difference]: Start difference. First operand 5 states and 7 transitions. Second operand 3 states. 15.97/11.79 [2019-03-28 12:01:07,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.97/11.79 [2019-03-28 12:01:07,403 INFO L93 Difference]: Finished difference Result 8 states and 10 transitions. 15.97/11.79 [2019-03-28 12:01:07,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 15.97/11.79 [2019-03-28 12:01:07,405 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 10 transitions. 15.97/11.79 [2019-03-28 12:01:07,405 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.97/11.79 [2019-03-28 12:01:07,406 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 7 states and 9 transitions. 15.97/11.79 [2019-03-28 12:01:07,406 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 15.97/11.79 [2019-03-28 12:01:07,406 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 15.97/11.79 [2019-03-28 12:01:07,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 9 transitions. 15.97/11.79 [2019-03-28 12:01:07,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.97/11.79 [2019-03-28 12:01:07,406 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. 15.97/11.79 [2019-03-28 12:01:07,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 9 transitions. 15.97/11.79 [2019-03-28 12:01:07,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. 15.97/11.79 [2019-03-28 12:01:07,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. 15.97/11.79 [2019-03-28 12:01:07,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. 15.97/11.79 [2019-03-28 12:01:07,408 INFO L729 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. 15.97/11.79 [2019-03-28 12:01:07,408 INFO L609 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. 15.97/11.79 [2019-03-28 12:01:07,408 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 15.97/11.79 [2019-03-28 12:01:07,408 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. 15.97/11.79 [2019-03-28 12:01:07,409 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.97/11.79 [2019-03-28 12:01:07,409 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.97/11.79 [2019-03-28 12:01:07,409 INFO L119 BuchiIsEmpty]: Starting construction of run 15.97/11.79 [2019-03-28 12:01:07,409 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1] 15.97/11.79 [2019-03-28 12:01:07,410 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.97/11.79 [2019-03-28 12:01:07,410 INFO L794 eck$LassoCheckResult]: Stem: 103#ULTIMATE.startENTRY [48] ULTIMATE.startENTRY-->L19-2: Formula: (and (< 0 v_ULTIMATE.start_main_~m~0_8) (= 0 v_ULTIMATE.start_main_~i~0_9) (= 0 v_ULTIMATE.start_main_~j~0_9) (< v_ULTIMATE.start_main_~m~0_8 v_ULTIMATE.start_main_~n~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_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_8, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_8, ULTIMATE.start_main_#t~post3=|v_ULTIMATE.start_main_#t~post3_4|, ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_4|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~m~0, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_#t~post3, ULTIMATE.start_main_#t~post2, ULTIMATE.start_main_~i~0] 104#L19-2 [36] L19-2-->L19: Formula: (< v_ULTIMATE.start_main_~i~0_8 v_ULTIMATE.start_main_~n~0_7) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[] 105#L19 [37] L19-->L19-2: Formula: (and (< v_ULTIMATE.start_main_~j~0_2 v_ULTIMATE.start_main_~m~0_1) (= (+ v_ULTIMATE.start_main_~j~0_2 1) v_ULTIMATE.start_main_~j~0_1)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_2, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_1} OutVars{ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#t~post2] 106#L19-2 [36] L19-2-->L19: Formula: (< v_ULTIMATE.start_main_~i~0_8 v_ULTIMATE.start_main_~n~0_7) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[] 107#L19 15.97/11.79 [2019-03-28 12:01:07,410 INFO L796 eck$LassoCheckResult]: Loop: 107#L19 [43] L19-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_6 0) (>= v_ULTIMATE.start_main_~j~0_7 v_ULTIMATE.start_main_~m~0_5) (= (+ v_ULTIMATE.start_main_~i~0_5 1) v_ULTIMATE.start_main_~i~0_4)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_5, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_5} OutVars{ULTIMATE.start_main_#t~post3=|v_ULTIMATE.start_main_#t~post3_2|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_4, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_6, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#t~post3, ULTIMATE.start_main_~i~0] 108#L19-2 [36] L19-2-->L19: Formula: (< v_ULTIMATE.start_main_~i~0_8 v_ULTIMATE.start_main_~n~0_7) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[] 107#L19 15.97/11.79 [2019-03-28 12:01:07,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.97/11.79 [2019-03-28 12:01:07,411 INFO L82 PathProgramCache]: Analyzing trace with hash 2389268, now seen corresponding path program 2 times 15.97/11.79 [2019-03-28 12:01:07,411 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.97/11.79 [2019-03-28 12:01:07,411 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.97/11.79 [2019-03-28 12:01:07,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.97/11.79 [2019-03-28 12:01:07,412 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.97/11.79 [2019-03-28 12:01:07,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.97/11.79 [2019-03-28 12:01:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.97/11.79 [2019-03-28 12:01:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.97/11.79 [2019-03-28 12:01:07,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.97/11.79 [2019-03-28 12:01:07,420 INFO L82 PathProgramCache]: Analyzing trace with hash 2330, now seen corresponding path program 1 times 15.97/11.79 [2019-03-28 12:01:07,420 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.97/11.79 [2019-03-28 12:01:07,420 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.97/11.79 [2019-03-28 12:01:07,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.97/11.79 [2019-03-28 12:01:07,421 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.97/11.79 [2019-03-28 12:01:07,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.97/11.79 [2019-03-28 12:01:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.97/11.79 [2019-03-28 12:01:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.97/11.79 [2019-03-28 12:01:07,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.97/11.79 [2019-03-28 12:01:07,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1998879379, now seen corresponding path program 1 times 15.97/11.79 [2019-03-28 12:01:07,427 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.97/11.79 [2019-03-28 12:01:07,427 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.97/11.79 [2019-03-28 12:01:07,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.97/11.79 [2019-03-28 12:01:07,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.97/11.79 [2019-03-28 12:01:07,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.97/11.79 [2019-03-28 12:01:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.97/11.79 [2019-03-28 12:01:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.97/11.79 [2019-03-28 12:01:07,474 INFO L216 LassoAnalysis]: Preferences: 15.97/11.79 [2019-03-28 12:01:07,474 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.97/11.79 [2019-03-28 12:01:07,474 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.97/11.79 [2019-03-28 12:01:07,474 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.97/11.79 [2019-03-28 12:01:07,475 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.97/11.79 [2019-03-28 12:01:07,475 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.97/11.79 [2019-03-28 12:01:07,475 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.97/11.79 [2019-03-28 12:01:07,475 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.97/11.79 [2019-03-28 12:01:07,475 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.97/11.79 [2019-03-28 12:01:07,497 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.97/11.79 [2019-03-28 12:01:07,498 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.97/11.79 [2019-03-28 12:01:07,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.97/11.79 [2019-03-28 12:01:07,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.97/11.79 [2019-03-28 12:01:07,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.97/11.79 [2019-03-28 12:01:07,553 INFO L300 LassoAnalysis]: Preprocessing complete. 15.97/11.79 [2019-03-28 12:01:07,553 INFO L412 LassoAnalysis]: Checking for nontermination... 15.97/11.79 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.97/11.79 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.97/11.79 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.97/11.79 [2019-03-28 12:01:07,560 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.97/11.79 [2019-03-28 12:01:07,560 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.97/11.79 [2019-03-28 12:01:07,566 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.97/11.79 [2019-03-28 12:01:07,567 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0=0, ULTIMATE.start_main_~m~0=0} Honda state: {ULTIMATE.start_main_~j~0=0, ULTIMATE.start_main_~m~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.97/11.79 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.97/11.79 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.97/11.79 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.97/11.79 [2019-03-28 12:01:07,598 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.97/11.79 [2019-03-28 12:01:07,598 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.97/11.79 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.97/11.79 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.97/11.79 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.97/11.79 [2019-03-28 12:01:07,632 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.97/11.79 [2019-03-28 12:01:07,632 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.97/11.79 [2019-03-28 12:01:08,332 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.97/11.79 [2019-03-28 12:01:08,335 INFO L216 LassoAnalysis]: Preferences: 15.97/11.79 [2019-03-28 12:01:08,335 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.97/11.79 [2019-03-28 12:01:08,335 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.97/11.79 [2019-03-28 12:01:08,335 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.97/11.79 [2019-03-28 12:01:08,336 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.97/11.79 [2019-03-28 12:01:08,336 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.97/11.79 [2019-03-28 12:01:08,336 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.97/11.79 [2019-03-28 12:01:08,336 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.97/11.79 [2019-03-28 12:01:08,336 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.97/11.79 [2019-03-28 12:01:08,336 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.97/11.79 [2019-03-28 12:01:08,336 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.97/11.79 [2019-03-28 12:01:08,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.97/11.79 [2019-03-28 12:01:08,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.97/11.79 [2019-03-28 12:01:08,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.97/11.79 [2019-03-28 12:01:08,384 INFO L300 LassoAnalysis]: Preprocessing complete. 15.97/11.79 [2019-03-28 12:01:08,384 INFO L497 LassoAnalysis]: Using template 'affine'. 15.97/11.79 [2019-03-28 12:01:08,384 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.97/11.79 Termination analysis: LINEAR_WITH_GUESSES 15.97/11.79 Number of strict supporting invariants: 0 15.97/11.79 Number of non-strict supporting invariants: 1 15.97/11.79 Consider only non-deceasing supporting invariants: true 15.97/11.79 Simplify termination arguments: true 15.97/11.79 Simplify supporting invariants: trueOverapproximate stem: false 15.97/11.79 [2019-03-28 12:01:08,385 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.97/11.79 [2019-03-28 12:01:08,385 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.97/11.79 [2019-03-28 12:01:08,386 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.97/11.79 [2019-03-28 12:01:08,386 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.97/11.79 [2019-03-28 12:01:08,386 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.97/11.79 [2019-03-28 12:01:08,387 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.97/11.79 [2019-03-28 12:01:08,387 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.97/11.79 [2019-03-28 12:01:08,389 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.97/11.79 [2019-03-28 12:01:08,389 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.97/11.79 Termination analysis: LINEAR_WITH_GUESSES 15.97/11.79 Number of strict supporting invariants: 0 15.97/11.79 Number of non-strict supporting invariants: 1 15.97/11.79 Consider only non-deceasing supporting invariants: true 15.97/11.79 Simplify termination arguments: true 15.97/11.79 Simplify supporting invariants: trueOverapproximate stem: false 15.97/11.79 [2019-03-28 12:01:08,390 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.97/11.79 [2019-03-28 12:01:08,390 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.97/11.79 [2019-03-28 12:01:08,390 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.97/11.79 [2019-03-28 12:01:08,390 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.97/11.79 [2019-03-28 12:01:08,391 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.97/11.79 [2019-03-28 12:01:08,391 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.97/11.79 [2019-03-28 12:01:08,392 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.97/11.79 [2019-03-28 12:01:08,396 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.97/11.79 [2019-03-28 12:01:08,401 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 15.97/11.79 [2019-03-28 12:01:08,401 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 15.97/11.79 [2019-03-28 12:01:08,402 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.97/11.79 [2019-03-28 12:01:08,402 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.97/11.79 [2019-03-28 12:01:08,402 INFO L518 LassoAnalysis]: Proved termination. 15.97/11.79 [2019-03-28 12:01:08,402 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.97/11.79 Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~n~0) = -1*ULTIMATE.start_main_~i~0 + 1*ULTIMATE.start_main_~n~0 15.97/11.79 Supporting invariants [] 15.97/11.79 [2019-03-28 12:01:08,402 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.97/11.79 [2019-03-28 12:01:08,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.97/11.79 [2019-03-28 12:01:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.97/11.79 [2019-03-28 12:01:08,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core 15.97/11.79 [2019-03-28 12:01:08,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.97/11.79 [2019-03-28 12:01:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.97/11.79 [2019-03-28 12:01:08,436 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 15.97/11.79 [2019-03-28 12:01:08,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.97/11.79 [2019-03-28 12:01:08,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.97/11.79 [2019-03-28 12:01:08,451 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 15.97/11.79 [2019-03-28 12:01:08,451 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 15.97/11.79 [2019-03-28 12:01:08,451 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 6 states and 8 transitions. cyclomatic complexity: 3 Second operand 3 states. 15.97/11.79 [2019-03-28 12:01:08,471 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 6 states and 8 transitions. cyclomatic complexity: 3. Second operand 3 states. Result 17 states and 24 transitions. Complement of second has 8 states. 15.97/11.79 [2019-03-28 12:01:08,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states 15.97/11.79 [2019-03-28 12:01:08,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.97/11.79 [2019-03-28 12:01:08,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. 15.97/11.79 [2019-03-28 12:01:08,472 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 4 letters. Loop has 2 letters. 15.97/11.79 [2019-03-28 12:01:08,472 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.97/11.79 [2019-03-28 12:01:08,473 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 6 letters. Loop has 2 letters. 15.97/11.79 [2019-03-28 12:01:08,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.97/11.79 [2019-03-28 12:01:08,473 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 4 letters. Loop has 4 letters. 15.97/11.79 [2019-03-28 12:01:08,474 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.97/11.79 [2019-03-28 12:01:08,475 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 24 transitions. 15.97/11.79 [2019-03-28 12:01:08,476 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.97/11.79 [2019-03-28 12:01:08,476 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. 15.97/11.79 [2019-03-28 12:01:08,476 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 15.97/11.79 [2019-03-28 12:01:08,476 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 15.97/11.79 [2019-03-28 12:01:08,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 15.97/11.79 [2019-03-28 12:01:08,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.97/11.79 [2019-03-28 12:01:08,477 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.97/11.79 [2019-03-28 12:01:08,477 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.97/11.79 [2019-03-28 12:01:08,477 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.97/11.79 [2019-03-28 12:01:08,477 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 15.97/11.79 [2019-03-28 12:01:08,477 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 15.97/11.79 [2019-03-28 12:01:08,477 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.97/11.79 [2019-03-28 12:01:08,477 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 15.97/11.79 [2019-03-28 12:01:08,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:01:08 BasicIcfg 15.97/11.79 [2019-03-28 12:01:08,483 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.97/11.79 [2019-03-28 12:01:08,484 INFO L168 Benchmark]: Toolchain (without parser) took 3325.33 ms. Allocated memory was 514.9 MB in the beginning and 582.0 MB in the end (delta: 67.1 MB). Free memory was 437.8 MB in the beginning and 503.1 MB in the end (delta: -65.2 MB). Peak memory consumption was 1.9 MB. Max. memory is 50.3 GB. 15.97/11.79 [2019-03-28 12:01:08,486 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 514.9 MB. Free memory is still 458.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.97/11.79 [2019-03-28 12:01:08,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.59 ms. Allocated memory is still 514.9 MB. Free memory was 437.8 MB in the beginning and 427.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 50.3 GB. 15.97/11.79 [2019-03-28 12:01:08,487 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.62 ms. Allocated memory was 514.9 MB in the beginning and 539.0 MB in the end (delta: 24.1 MB). Free memory was 427.9 MB in the beginning and 509.7 MB in the end (delta: -81.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 50.3 GB. 15.97/11.79 [2019-03-28 12:01:08,487 INFO L168 Benchmark]: Boogie Preprocessor took 19.98 ms. Allocated memory is still 539.0 MB. Free memory was 509.7 MB in the beginning and 508.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 50.3 GB. 15.97/11.79 [2019-03-28 12:01:08,488 INFO L168 Benchmark]: RCFGBuilder took 209.90 ms. Allocated memory is still 539.0 MB. Free memory was 508.1 MB in the beginning and 497.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 50.3 GB. 15.97/11.79 [2019-03-28 12:01:08,488 INFO L168 Benchmark]: BlockEncodingV2 took 76.47 ms. Allocated memory is still 539.0 MB. Free memory was 497.1 MB in the beginning and 492.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 50.3 GB. 15.97/11.79 [2019-03-28 12:01:08,489 INFO L168 Benchmark]: TraceAbstraction took 162.00 ms. Allocated memory is still 539.0 MB. Free memory was 491.2 MB in the beginning and 482.3 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 50.3 GB. 15.97/11.79 [2019-03-28 12:01:08,490 INFO L168 Benchmark]: BuchiAutomizer took 2519.35 ms. Allocated memory was 539.0 MB in the beginning and 582.0 MB in the end (delta: 43.0 MB). Free memory was 482.3 MB in the beginning and 503.1 MB in the end (delta: -20.7 MB). Peak memory consumption was 22.3 MB. Max. memory is 50.3 GB. 15.97/11.79 [2019-03-28 12:01:08,494 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.97/11.79 --- Results --- 15.97/11.79 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.97/11.79 - StatisticsResult: Initial Icfg 15.97/11.79 8 locations, 11 edges 15.97/11.79 - StatisticsResult: Encoded RCFG 15.97/11.79 3 locations, 4 edges 15.97/11.79 * Results from de.uni_freiburg.informatik.ultimate.core: 15.97/11.79 - StatisticsResult: Toolchain Benchmarks 15.97/11.79 Benchmark results are: 15.97/11.79 * CDTParser took 0.16 ms. Allocated memory is still 514.9 MB. Free memory is still 458.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.97/11.79 * CACSL2BoogieTranslator took 233.59 ms. Allocated memory is still 514.9 MB. Free memory was 437.8 MB in the beginning and 427.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 50.3 GB. 15.97/11.79 * Boogie Procedure Inliner took 97.62 ms. Allocated memory was 514.9 MB in the beginning and 539.0 MB in the end (delta: 24.1 MB). Free memory was 427.9 MB in the beginning and 509.7 MB in the end (delta: -81.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 50.3 GB. 15.97/11.79 * Boogie Preprocessor took 19.98 ms. Allocated memory is still 539.0 MB. Free memory was 509.7 MB in the beginning and 508.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 50.3 GB. 15.97/11.79 * RCFGBuilder took 209.90 ms. Allocated memory is still 539.0 MB. Free memory was 508.1 MB in the beginning and 497.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 50.3 GB. 15.97/11.79 * BlockEncodingV2 took 76.47 ms. Allocated memory is still 539.0 MB. Free memory was 497.1 MB in the beginning and 492.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 50.3 GB. 15.97/11.79 * TraceAbstraction took 162.00 ms. Allocated memory is still 539.0 MB. Free memory was 491.2 MB in the beginning and 482.3 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 50.3 GB. 15.97/11.79 * BuchiAutomizer took 2519.35 ms. Allocated memory was 539.0 MB in the beginning and 582.0 MB in the end (delta: 43.0 MB). Free memory was 482.3 MB in the beginning and 503.1 MB in the end (delta: -20.7 MB). Peak memory consumption was 22.3 MB. Max. memory is 50.3 GB. 15.97/11.79 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.97/11.79 - AllSpecificationsHoldResult: All specifications hold 15.97/11.79 We were not able to verify any specifiation because the program does not contain any specification. 15.97/11.79 - InvariantResult [Line: 18]: Loop Invariant 15.97/11.79 Derived loop invariant: 1 15.97/11.79 - StatisticsResult: Ultimate Automizer benchmark data 15.97/11.79 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 15.97/11.79 - StatisticsResult: Constructed decomposition of program 15.97/11.79 Your program was decomposed into 4 terminating modules (1 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function m + -1 * j and consists of 3 locations. One nondeterministic module has affine ranking function -1 * j + m and consists of 3 locations. One nondeterministic module has affine ranking function -1 * i + n and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. 15.97/11.79 - StatisticsResult: Timing statistics 15.97/11.79 BüchiAutomizer plugin needed 2.4s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 14 SDtfs, 16 SDslu, 5 SDs, 0 SdLazy, 21 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax100 hnf100 lsp72 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 8ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.3s 15.97/11.79 - TerminationAnalysisResult: Termination proven 15.97/11.79 Buchi Automizer proved that your program is terminating 15.97/11.79 RESULT: Ultimate proved your program to be correct! 15.97/11.79 !SESSION 2019-03-28 12:00:59.011 ----------------------------------------------- 15.97/11.79 eclipse.buildId=unknown 15.97/11.79 java.version=1.8.0_181 15.97/11.79 java.vendor=Oracle Corporation 15.97/11.79 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.97/11.79 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 15.97/11.79 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 15.97/11.79 15.97/11.79 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:01:08.724 15.97/11.79 !MESSAGE The workspace will exit with unsaved changes in this session. 15.97/11.79 Received shutdown request... 15.97/11.79 Ultimate: 15.97/11.79 GTK+ Version Check 15.97/11.79 EOF