15.39/7.19 YES 15.39/7.19 15.39/7.19 Ultimate: Cannot open display: 15.39/7.19 This is Ultimate 0.1.24-8dc7c08-m 15.39/7.19 [2019-03-28 22:40:01,072 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.39/7.19 [2019-03-28 22:40:01,074 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.39/7.19 [2019-03-28 22:40:01,086 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.39/7.19 [2019-03-28 22:40:01,086 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.39/7.19 [2019-03-28 22:40:01,087 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.39/7.19 [2019-03-28 22:40:01,088 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.39/7.19 [2019-03-28 22:40:01,090 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.39/7.19 [2019-03-28 22:40:01,092 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.39/7.19 [2019-03-28 22:40:01,092 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.39/7.19 [2019-03-28 22:40:01,093 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.39/7.19 [2019-03-28 22:40:01,093 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.39/7.19 [2019-03-28 22:40:01,094 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.39/7.19 [2019-03-28 22:40:01,095 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.39/7.19 [2019-03-28 22:40:01,096 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.39/7.19 [2019-03-28 22:40:01,097 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.39/7.19 [2019-03-28 22:40:01,098 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.39/7.19 [2019-03-28 22:40:01,099 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.39/7.19 [2019-03-28 22:40:01,101 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.39/7.19 [2019-03-28 22:40:01,103 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.39/7.19 [2019-03-28 22:40:01,104 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.39/7.19 [2019-03-28 22:40:01,105 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.39/7.19 [2019-03-28 22:40:01,108 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.39/7.19 [2019-03-28 22:40:01,108 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.39/7.19 [2019-03-28 22:40:01,108 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.39/7.19 [2019-03-28 22:40:01,109 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.39/7.19 [2019-03-28 22:40:01,110 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.39/7.19 [2019-03-28 22:40:01,111 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.39/7.19 [2019-03-28 22:40:01,111 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.39/7.19 [2019-03-28 22:40:01,111 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.39/7.19 [2019-03-28 22:40:01,112 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.39/7.19 [2019-03-28 22:40:01,113 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.39/7.19 [2019-03-28 22:40:01,114 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.39/7.19 [2019-03-28 22:40:01,114 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.39/7.19 [2019-03-28 22:40:01,115 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.39/7.19 [2019-03-28 22:40:01,115 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.39/7.19 [2019-03-28 22:40:01,115 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.39/7.19 [2019-03-28 22:40:01,116 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.39/7.19 [2019-03-28 22:40:01,117 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.39/7.19 [2019-03-28 22:40:01,117 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 15.39/7.19 [2019-03-28 22:40:01,132 INFO L110 SettingsManager]: Loading preferences was successful 15.39/7.19 [2019-03-28 22:40:01,132 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.39/7.19 [2019-03-28 22:40:01,133 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.39/7.19 [2019-03-28 22:40:01,133 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.39/7.19 [2019-03-28 22:40:01,133 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.39/7.19 [2019-03-28 22:40:01,133 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.39/7.19 [2019-03-28 22:40:01,134 INFO L133 SettingsManager]: * Use SBE=true 15.39/7.19 [2019-03-28 22:40:01,134 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.39/7.19 [2019-03-28 22:40:01,134 INFO L133 SettingsManager]: * Use old map elimination=false 15.39/7.19 [2019-03-28 22:40:01,134 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.39/7.19 [2019-03-28 22:40:01,134 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.39/7.19 [2019-03-28 22:40:01,134 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.39/7.19 [2019-03-28 22:40:01,135 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.39/7.19 [2019-03-28 22:40:01,135 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.39/7.19 [2019-03-28 22:40:01,135 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.39/7.19 [2019-03-28 22:40:01,135 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.39/7.19 [2019-03-28 22:40:01,135 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.39/7.19 [2019-03-28 22:40:01,135 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.39/7.19 [2019-03-28 22:40:01,136 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.39/7.19 [2019-03-28 22:40:01,136 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.39/7.19 [2019-03-28 22:40:01,136 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.39/7.19 [2019-03-28 22:40:01,136 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.39/7.19 [2019-03-28 22:40:01,136 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.39/7.19 [2019-03-28 22:40:01,137 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.39/7.19 [2019-03-28 22:40:01,137 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.39/7.19 [2019-03-28 22:40:01,137 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.39/7.19 [2019-03-28 22:40:01,137 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.39/7.19 [2019-03-28 22:40:01,137 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.39/7.19 [2019-03-28 22:40:01,137 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.39/7.19 [2019-03-28 22:40:01,163 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.39/7.19 [2019-03-28 22:40:01,176 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.39/7.19 [2019-03-28 22:40:01,180 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.39/7.19 [2019-03-28 22:40:01,181 INFO L271 PluginConnector]: Initializing CDTParser... 15.39/7.19 [2019-03-28 22:40:01,181 INFO L276 PluginConnector]: CDTParser initialized 15.39/7.19 [2019-03-28 22:40:01,182 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 15.39/7.19 [2019-03-28 22:40:01,277 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/20e1b42f13324369a584471aefaaa69f/FLAGca725e30f 15.39/7.19 [2019-03-28 22:40:01,612 INFO L307 CDTParser]: Found 1 translation units. 15.39/7.19 [2019-03-28 22:40:01,613 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 15.39/7.19 [2019-03-28 22:40:01,619 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/20e1b42f13324369a584471aefaaa69f/FLAGca725e30f 15.39/7.19 [2019-03-28 22:40:02,027 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/20e1b42f13324369a584471aefaaa69f 15.39/7.19 [2019-03-28 22:40:02,039 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.39/7.19 [2019-03-28 22:40:02,040 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.39/7.19 [2019-03-28 22:40:02,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.39/7.19 [2019-03-28 22:40:02,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.39/7.19 [2019-03-28 22:40:02,045 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.39/7.19 [2019-03-28 22:40:02,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:40:02" (1/1) ... 15.39/7.19 [2019-03-28 22:40:02,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1229e65e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:02, skipping insertion in model container 15.39/7.19 [2019-03-28 22:40:02,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:40:02" (1/1) ... 15.39/7.19 [2019-03-28 22:40:02,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.39/7.19 [2019-03-28 22:40:02,076 INFO L176 MainTranslator]: Built tables and reachable declarations 15.39/7.19 [2019-03-28 22:40:02,234 INFO L206 PostProcessor]: Analyzing one entry point: main 15.39/7.19 [2019-03-28 22:40:02,239 INFO L191 MainTranslator]: Completed pre-run 15.39/7.19 [2019-03-28 22:40:02,255 INFO L206 PostProcessor]: Analyzing one entry point: main 15.39/7.19 [2019-03-28 22:40:02,271 INFO L195 MainTranslator]: Completed translation 15.39/7.19 [2019-03-28 22:40:02,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:02 WrapperNode 15.39/7.19 [2019-03-28 22:40:02,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.39/7.19 [2019-03-28 22:40:02,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.39/7.19 [2019-03-28 22:40:02,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.39/7.19 [2019-03-28 22:40:02,273 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.39/7.19 [2019-03-28 22:40:02,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:02" (1/1) ... 15.39/7.19 [2019-03-28 22:40:02,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:02" (1/1) ... 15.39/7.19 [2019-03-28 22:40:02,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.39/7.19 [2019-03-28 22:40:02,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.39/7.19 [2019-03-28 22:40:02,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.39/7.19 [2019-03-28 22:40:02,366 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.39/7.19 [2019-03-28 22:40:02,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:02" (1/1) ... 15.39/7.19 [2019-03-28 22:40:02,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:02" (1/1) ... 15.39/7.19 [2019-03-28 22:40:02,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:02" (1/1) ... 15.39/7.19 [2019-03-28 22:40:02,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:02" (1/1) ... 15.39/7.19 [2019-03-28 22:40:02,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:02" (1/1) ... 15.39/7.19 [2019-03-28 22:40:02,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:02" (1/1) ... 15.39/7.19 [2019-03-28 22:40:02,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:02" (1/1) ... 15.39/7.19 [2019-03-28 22:40:02,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.39/7.19 [2019-03-28 22:40:02,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.39/7.19 [2019-03-28 22:40:02,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.39/7.19 [2019-03-28 22:40:02,386 INFO L276 PluginConnector]: RCFGBuilder initialized 15.39/7.19 [2019-03-28 22:40:02,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:02" (1/1) ... 15.39/7.19 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.39/7.19 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.39/7.19 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.39/7.19 [2019-03-28 22:40:02,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.39/7.19 [2019-03-28 22:40:02,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.39/7.19 [2019-03-28 22:40:02,577 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.39/7.19 [2019-03-28 22:40:02,577 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 15.39/7.19 [2019-03-28 22:40:02,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:40:02 BoogieIcfgContainer 15.39/7.19 [2019-03-28 22:40:02,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.39/7.19 [2019-03-28 22:40:02,579 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.39/7.19 [2019-03-28 22:40:02,579 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.39/7.19 [2019-03-28 22:40:02,581 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.39/7.19 [2019-03-28 22:40:02,582 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:40:02" (1/1) ... 15.39/7.19 [2019-03-28 22:40:02,597 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 15.39/7.19 [2019-03-28 22:40:02,598 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.39/7.19 [2019-03-28 22:40:02,599 INFO L263 BlockEncoder]: Using Maximize final states 15.39/7.19 [2019-03-28 22:40:02,600 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.39/7.19 [2019-03-28 22:40:02,600 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.39/7.19 [2019-03-28 22:40:02,602 INFO L296 BlockEncoder]: Using Remove sink states 15.39/7.19 [2019-03-28 22:40:02,603 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.39/7.19 [2019-03-28 22:40:02,603 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.39/7.19 [2019-03-28 22:40:02,617 INFO L185 BlockEncoder]: Using Use SBE 15.39/7.19 [2019-03-28 22:40:02,625 INFO L200 BlockEncoder]: SBE split 0 edges 15.39/7.19 [2019-03-28 22:40:02,631 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 15.39/7.19 [2019-03-28 22:40:02,632 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.39/7.19 [2019-03-28 22:40:02,645 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 15.39/7.19 [2019-03-28 22:40:02,647 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 15.39/7.19 [2019-03-28 22:40:02,649 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.39/7.19 [2019-03-28 22:40:02,649 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.39/7.19 [2019-03-28 22:40:02,649 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.39/7.19 [2019-03-28 22:40:02,649 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.39/7.19 [2019-03-28 22:40:02,650 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 15.39/7.19 [2019-03-28 22:40:02,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:40:02 BasicIcfg 15.39/7.19 [2019-03-28 22:40:02,650 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.39/7.19 [2019-03-28 22:40:02,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.39/7.19 [2019-03-28 22:40:02,651 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.39/7.19 [2019-03-28 22:40:02,655 INFO L276 PluginConnector]: TraceAbstraction initialized 15.39/7.19 [2019-03-28 22:40:02,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:40:02" (1/4) ... 15.39/7.19 [2019-03-28 22:40:02,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46056de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:40:02, skipping insertion in model container 15.39/7.19 [2019-03-28 22:40:02,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:02" (2/4) ... 15.39/7.19 [2019-03-28 22:40:02,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46056de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:40:02, skipping insertion in model container 15.39/7.19 [2019-03-28 22:40:02,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:40:02" (3/4) ... 15.39/7.19 [2019-03-28 22:40:02,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46056de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:40:02, skipping insertion in model container 15.39/7.19 [2019-03-28 22:40:02,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:40:02" (4/4) ... 15.39/7.19 [2019-03-28 22:40:02,659 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.39/7.19 [2019-03-28 22:40:02,668 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.39/7.19 [2019-03-28 22:40:02,677 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.39/7.19 [2019-03-28 22:40:02,694 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.39/7.19 [2019-03-28 22:40:02,723 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.39/7.19 [2019-03-28 22:40:02,723 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.39/7.19 [2019-03-28 22:40:02,724 INFO L383 AbstractCegarLoop]: Hoare is true 15.39/7.19 [2019-03-28 22:40:02,724 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.39/7.19 [2019-03-28 22:40:02,724 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.39/7.19 [2019-03-28 22:40:02,724 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.39/7.19 [2019-03-28 22:40:02,724 INFO L387 AbstractCegarLoop]: Difference is false 15.39/7.19 [2019-03-28 22:40:02,724 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.39/7.19 [2019-03-28 22:40:02,725 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.39/7.19 [2019-03-28 22:40:02,739 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 15.39/7.19 [2019-03-28 22:40:02,744 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.39/7.19 [2019-03-28 22:40:02,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 15.39/7.19 [2019-03-28 22:40:02,797 INFO L451 ceAbstractionStarter]: At program point L18-2(lines 17 25) the Hoare annotation is: true 15.39/7.19 [2019-03-28 22:40:02,797 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.39/7.19 [2019-03-28 22:40:02,797 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 24) no Hoare annotation was computed. 15.39/7.19 [2019-03-28 22:40:02,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:40:02 BasicIcfg 15.39/7.19 [2019-03-28 22:40:02,806 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.39/7.19 [2019-03-28 22:40:02,806 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.39/7.19 [2019-03-28 22:40:02,807 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.39/7.19 [2019-03-28 22:40:02,810 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.39/7.19 [2019-03-28 22:40:02,811 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.39/7.19 [2019-03-28 22:40:02,811 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:40:02" (1/5) ... 15.39/7.19 [2019-03-28 22:40:02,812 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1474cb04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:40:02, skipping insertion in model container 15.39/7.19 [2019-03-28 22:40:02,812 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.39/7.19 [2019-03-28 22:40:02,812 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:02" (2/5) ... 15.39/7.19 [2019-03-28 22:40:02,813 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1474cb04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:40:02, skipping insertion in model container 15.39/7.19 [2019-03-28 22:40:02,813 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.39/7.19 [2019-03-28 22:40:02,813 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:40:02" (3/5) ... 15.39/7.19 [2019-03-28 22:40:02,813 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1474cb04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:40:02, skipping insertion in model container 15.39/7.19 [2019-03-28 22:40:02,813 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.39/7.19 [2019-03-28 22:40:02,814 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:40:02" (4/5) ... 15.39/7.19 [2019-03-28 22:40:02,814 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1474cb04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:40:02, skipping insertion in model container 15.39/7.19 [2019-03-28 22:40:02,814 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.39/7.19 [2019-03-28 22:40:02,814 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:40:02" (5/5) ... 15.39/7.19 [2019-03-28 22:40:02,816 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.39/7.19 [2019-03-28 22:40:02,843 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.39/7.19 [2019-03-28 22:40:02,844 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.39/7.19 [2019-03-28 22:40:02,844 INFO L375 BuchiCegarLoop]: Hoare is true 15.39/7.19 [2019-03-28 22:40:02,844 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.39/7.19 [2019-03-28 22:40:02,844 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.39/7.19 [2019-03-28 22:40:02,844 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.39/7.19 [2019-03-28 22:40:02,845 INFO L379 BuchiCegarLoop]: Difference is false 15.39/7.19 [2019-03-28 22:40:02,845 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.39/7.19 [2019-03-28 22:40:02,845 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.39/7.19 [2019-03-28 22:40:02,848 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 15.39/7.19 [2019-03-28 22:40:02,867 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.39/7.19 [2019-03-28 22:40:02,867 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.39/7.19 [2019-03-28 22:40:02,867 INFO L119 BuchiIsEmpty]: Starting construction of run 15.39/7.19 [2019-03-28 22:40:02,873 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.39/7.19 [2019-03-28 22:40:02,873 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.39/7.19 [2019-03-28 22:40:02,873 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.39/7.19 [2019-03-28 22:40:02,873 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 15.39/7.19 [2019-03-28 22:40:02,874 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.39/7.19 [2019-03-28 22:40:02,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.39/7.19 [2019-03-28 22:40:02,874 INFO L119 BuchiIsEmpty]: Starting construction of run 15.39/7.19 [2019-03-28 22:40:02,874 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.39/7.19 [2019-03-28 22:40:02,875 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.39/7.19 [2019-03-28 22:40:02,880 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [26] ULTIMATE.startENTRY-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~q~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_1, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~q~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0] 4#L18-2true 15.39/7.19 [2019-03-28 22:40:02,880 INFO L796 eck$LassoCheckResult]: Loop: 4#L18-2true [29] L18-2-->L18: Formula: (< 0 v_ULTIMATE.start_main_~q~0_7) InVars {ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_7} OutVars{ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_7} AuxVars[] AssignedVars[] 5#L18true [34] L18-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_8 (+ v_ULTIMATE.start_main_~y~0_9 (- 1))) (= v_ULTIMATE.start_main_~q~0_9 (+ v_ULTIMATE.start_main_~q~0_10 (- 1))) (>= 0 v_ULTIMATE.start_main_~y~0_9)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~q~0, ULTIMATE.start_main_~y~0] 4#L18-2true 15.39/7.19 [2019-03-28 22:40:02,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.39/7.19 [2019-03-28 22:40:02,887 INFO L82 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times 15.39/7.19 [2019-03-28 22:40:02,909 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.39/7.19 [2019-03-28 22:40:02,910 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.39/7.19 [2019-03-28 22:40:02,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.19 [2019-03-28 22:40:02,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.39/7.19 [2019-03-28 22:40:02,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.19 [2019-03-28 22:40:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.19 [2019-03-28 22:40:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.19 [2019-03-28 22:40:02,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.39/7.19 [2019-03-28 22:40:02,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1894, now seen corresponding path program 1 times 15.39/7.19 [2019-03-28 22:40:02,983 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.39/7.19 [2019-03-28 22:40:02,983 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.39/7.19 [2019-03-28 22:40:02,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.19 [2019-03-28 22:40:02,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.39/7.19 [2019-03-28 22:40:02,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.19 [2019-03-28 22:40:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.19 [2019-03-28 22:40:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.19 [2019-03-28 22:40:02,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.39/7.19 [2019-03-28 22:40:02,998 INFO L82 PathProgramCache]: Analyzing trace with hash 55710, now seen corresponding path program 1 times 15.39/7.19 [2019-03-28 22:40:02,998 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.39/7.19 [2019-03-28 22:40:02,998 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.39/7.19 [2019-03-28 22:40:02,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.19 [2019-03-28 22:40:03,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.39/7.19 [2019-03-28 22:40:03,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.19 [2019-03-28 22:40:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.19 [2019-03-28 22:40:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.19 [2019-03-28 22:40:03,064 INFO L216 LassoAnalysis]: Preferences: 15.39/7.19 [2019-03-28 22:40:03,065 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.39/7.19 [2019-03-28 22:40:03,065 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.39/7.19 [2019-03-28 22:40:03,065 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.39/7.19 [2019-03-28 22:40:03,066 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.39/7.19 [2019-03-28 22:40:03,066 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.39/7.19 [2019-03-28 22:40:03,066 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.39/7.19 [2019-03-28 22:40:03,066 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.39/7.19 [2019-03-28 22:40:03,066 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.39/7.19 [2019-03-28 22:40:03,067 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.39/7.19 [2019-03-28 22:40:03,067 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.39/7.19 [2019-03-28 22:40:03,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.19 [2019-03-28 22:40:03,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.19 [2019-03-28 22:40:03,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.19 [2019-03-28 22:40:03,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.19 [2019-03-28 22:40:03,212 INFO L300 LassoAnalysis]: Preprocessing complete. 15.39/7.19 [2019-03-28 22:40:03,213 INFO L412 LassoAnalysis]: Checking for nontermination... 15.39/7.19 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.39/7.19 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.39/7.19 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.39/7.19 [2019-03-28 22:40:03,219 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.39/7.19 [2019-03-28 22:40:03,219 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.39/7.19 [2019-03-28 22:40:03,252 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.39/7.19 [2019-03-28 22:40:03,252 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.39/7.19 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.39/7.19 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.39/7.19 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.39/7.19 [2019-03-28 22:40:03,258 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.39/7.19 [2019-03-28 22:40:03,258 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.39/7.19 [2019-03-28 22:40:03,285 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.39/7.19 [2019-03-28 22:40:03,285 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.39/7.19 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.39/7.19 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.39/7.19 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.39/7.19 [2019-03-28 22:40:03,290 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.39/7.19 [2019-03-28 22:40:03,290 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.39/7.19 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.39/7.19 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.39/7.19 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.39/7.19 [2019-03-28 22:40:03,321 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.39/7.19 [2019-03-28 22:40:03,321 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.39/7.19 [2019-03-28 22:40:03,339 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.39/7.19 [2019-03-28 22:40:03,340 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=0}, {ULTIMATE.start_main_~y~0=0}, {ULTIMATE.start_main_~y~0=-1}] Lambdas: [0, 8, 1] Nus: [0, 0] 15.39/7.19 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.39/7.19 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.39/7.19 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.39/7.19 [2019-03-28 22:40:03,369 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.39/7.19 [2019-03-28 22:40:03,369 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.39/7.19 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.39/7.19 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.39/7.19 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.39/7.19 [2019-03-28 22:40:03,402 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.39/7.19 [2019-03-28 22:40:03,403 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.39/7.19 [2019-03-28 22:40:03,435 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.39/7.19 [2019-03-28 22:40:03,441 INFO L216 LassoAnalysis]: Preferences: 15.39/7.19 [2019-03-28 22:40:03,441 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.39/7.19 [2019-03-28 22:40:03,441 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.39/7.19 [2019-03-28 22:40:03,441 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.39/7.19 [2019-03-28 22:40:03,442 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.39/7.19 [2019-03-28 22:40:03,442 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.39/7.19 [2019-03-28 22:40:03,442 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.39/7.19 [2019-03-28 22:40:03,442 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.39/7.19 [2019-03-28 22:40:03,442 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.39/7.19 [2019-03-28 22:40:03,442 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.39/7.19 [2019-03-28 22:40:03,442 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.39/7.19 [2019-03-28 22:40:03,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.19 [2019-03-28 22:40:03,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.19 [2019-03-28 22:40:03,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.19 [2019-03-28 22:40:03,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.19 [2019-03-28 22:40:03,554 INFO L300 LassoAnalysis]: Preprocessing complete. 15.39/7.19 [2019-03-28 22:40:03,559 INFO L497 LassoAnalysis]: Using template 'affine'. 15.39/7.19 [2019-03-28 22:40:03,561 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.39/7.19 Termination analysis: LINEAR_WITH_GUESSES 15.39/7.19 Number of strict supporting invariants: 0 15.39/7.19 Number of non-strict supporting invariants: 1 15.39/7.19 Consider only non-deceasing supporting invariants: true 15.39/7.19 Simplify termination arguments: true 15.39/7.19 Simplify supporting invariants: trueOverapproximate stem: false 15.39/7.19 [2019-03-28 22:40:03,563 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.39/7.19 [2019-03-28 22:40:03,563 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.39/7.19 [2019-03-28 22:40:03,563 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.39/7.19 [2019-03-28 22:40:03,564 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.39/7.19 [2019-03-28 22:40:03,568 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.39/7.19 [2019-03-28 22:40:03,568 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.39/7.19 [2019-03-28 22:40:03,577 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.39/7.19 [2019-03-28 22:40:03,577 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.39/7.19 Termination analysis: LINEAR_WITH_GUESSES 15.39/7.19 Number of strict supporting invariants: 0 15.39/7.19 Number of non-strict supporting invariants: 1 15.39/7.19 Consider only non-deceasing supporting invariants: true 15.39/7.19 Simplify termination arguments: true 15.39/7.19 Simplify supporting invariants: trueOverapproximate stem: false 15.39/7.19 [2019-03-28 22:40:03,578 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.39/7.19 [2019-03-28 22:40:03,578 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.39/7.19 [2019-03-28 22:40:03,578 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.39/7.19 [2019-03-28 22:40:03,578 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.39/7.19 [2019-03-28 22:40:03,581 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.39/7.19 [2019-03-28 22:40:03,581 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.39/7.19 [2019-03-28 22:40:03,589 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.39/7.19 [2019-03-28 22:40:03,590 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.39/7.19 Termination analysis: LINEAR_WITH_GUESSES 15.39/7.19 Number of strict supporting invariants: 0 15.39/7.19 Number of non-strict supporting invariants: 1 15.39/7.19 Consider only non-deceasing supporting invariants: true 15.39/7.19 Simplify termination arguments: true 15.39/7.19 Simplify supporting invariants: trueOverapproximate stem: false 15.39/7.19 [2019-03-28 22:40:03,590 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.39/7.19 [2019-03-28 22:40:03,591 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.39/7.19 [2019-03-28 22:40:03,591 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.39/7.19 [2019-03-28 22:40:03,591 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.39/7.19 [2019-03-28 22:40:03,592 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.39/7.19 [2019-03-28 22:40:03,592 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.39/7.19 [2019-03-28 22:40:03,592 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.39/7.19 [2019-03-28 22:40:03,597 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.39/7.19 [2019-03-28 22:40:03,598 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.39/7.19 Termination analysis: LINEAR_WITH_GUESSES 15.39/7.19 Number of strict supporting invariants: 0 15.39/7.19 Number of non-strict supporting invariants: 1 15.39/7.19 Consider only non-deceasing supporting invariants: true 15.39/7.19 Simplify termination arguments: true 15.39/7.19 Simplify supporting invariants: trueOverapproximate stem: false 15.39/7.19 [2019-03-28 22:40:03,598 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.39/7.19 [2019-03-28 22:40:03,599 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.39/7.19 [2019-03-28 22:40:03,599 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.39/7.19 [2019-03-28 22:40:03,599 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.39/7.19 [2019-03-28 22:40:03,599 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.39/7.19 [2019-03-28 22:40:03,600 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.39/7.19 [2019-03-28 22:40:03,600 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.39/7.19 [2019-03-28 22:40:03,606 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.39/7.19 [2019-03-28 22:40:03,610 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.39/7.19 [2019-03-28 22:40:03,611 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 15.39/7.19 [2019-03-28 22:40:03,613 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.39/7.19 [2019-03-28 22:40:03,613 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.39/7.19 [2019-03-28 22:40:03,613 INFO L518 LassoAnalysis]: Proved termination. 15.39/7.19 [2019-03-28 22:40:03,614 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.39/7.19 Ranking function f(ULTIMATE.start_main_~q~0) = 1*ULTIMATE.start_main_~q~0 15.39/7.19 Supporting invariants [] 15.39/7.19 [2019-03-28 22:40:03,615 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.39/7.19 [2019-03-28 22:40:03,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.39/7.19 [2019-03-28 22:40:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.39/7.19 [2019-03-28 22:40:03,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 15.39/7.19 [2019-03-28 22:40:03,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.39/7.19 [2019-03-28 22:40:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.39/7.19 [2019-03-28 22:40:03,656 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 15.39/7.19 [2019-03-28 22:40:03,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.39/7.19 [2019-03-28 22:40:03,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.39/7.19 [2019-03-28 22:40:03,696 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 15.39/7.19 [2019-03-28 22:40:03,701 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 15.39/7.19 [2019-03-28 22:40:03,702 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 15.39/7.19 [2019-03-28 22:40:03,746 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. 15.39/7.19 [2019-03-28 22:40:03,747 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 15.39/7.19 [2019-03-28 22:40:03,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.39/7.19 [2019-03-28 22:40:03,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. 15.39/7.19 [2019-03-28 22:40:03,751 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 1 letters. Loop has 2 letters. 15.39/7.19 [2019-03-28 22:40:03,752 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.39/7.19 [2019-03-28 22:40:03,753 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 2 letters. 15.39/7.19 [2019-03-28 22:40:03,753 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.39/7.19 [2019-03-28 22:40:03,753 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 1 letters. Loop has 4 letters. 15.39/7.19 [2019-03-28 22:40:03,753 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.39/7.19 [2019-03-28 22:40:03,759 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 10 transitions. 15.39/7.19 [2019-03-28 22:40:03,760 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.39/7.19 [2019-03-28 22:40:03,764 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 10 transitions. 15.39/7.19 [2019-03-28 22:40:03,765 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 15.39/7.19 [2019-03-28 22:40:03,765 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 15.39/7.19 [2019-03-28 22:40:03,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. 15.39/7.19 [2019-03-28 22:40:03,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.39/7.19 [2019-03-28 22:40:03,766 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 15.39/7.19 [2019-03-28 22:40:03,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. 15.39/7.19 [2019-03-28 22:40:03,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. 15.39/7.19 [2019-03-28 22:40:03,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 15.39/7.19 [2019-03-28 22:40:03,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. 15.39/7.19 [2019-03-28 22:40:03,795 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 15.39/7.19 [2019-03-28 22:40:03,795 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 15.39/7.19 [2019-03-28 22:40:03,795 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.39/7.19 [2019-03-28 22:40:03,795 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. 15.39/7.19 [2019-03-28 22:40:03,796 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.39/7.19 [2019-03-28 22:40:03,796 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.39/7.19 [2019-03-28 22:40:03,796 INFO L119 BuchiIsEmpty]: Starting construction of run 15.39/7.19 [2019-03-28 22:40:03,796 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 15.39/7.19 [2019-03-28 22:40:03,797 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.39/7.19 [2019-03-28 22:40:03,797 INFO L794 eck$LassoCheckResult]: Stem: 48#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~q~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_1, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~q~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0] 49#L18-2 [29] L18-2-->L18: Formula: (< 0 v_ULTIMATE.start_main_~q~0_7) InVars {ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_7} OutVars{ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_7} AuxVars[] AssignedVars[] 47#L18 [30] L18-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~q~0_8 |v_ULTIMATE.start_main_#t~nondet2_3|) (< 0 v_ULTIMATE.start_main_~y~0_7) (= v_ULTIMATE.start_main_~y~0_6 0)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_8, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_~q~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~y~0] 43#L18-2 15.39/7.19 [2019-03-28 22:40:03,797 INFO L796 eck$LassoCheckResult]: Loop: 43#L18-2 [29] L18-2-->L18: Formula: (< 0 v_ULTIMATE.start_main_~q~0_7) InVars {ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_7} OutVars{ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_7} AuxVars[] AssignedVars[] 44#L18 [34] L18-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_8 (+ v_ULTIMATE.start_main_~y~0_9 (- 1))) (= v_ULTIMATE.start_main_~q~0_9 (+ v_ULTIMATE.start_main_~q~0_10 (- 1))) (>= 0 v_ULTIMATE.start_main_~y~0_9)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~q~0, ULTIMATE.start_main_~y~0] 43#L18-2 15.39/7.19 [2019-03-28 22:40:03,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.39/7.19 [2019-03-28 22:40:03,798 INFO L82 PathProgramCache]: Analyzing trace with hash 55706, now seen corresponding path program 1 times 15.39/7.19 [2019-03-28 22:40:03,798 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.39/7.19 [2019-03-28 22:40:03,798 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.39/7.19 [2019-03-28 22:40:03,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.19 [2019-03-28 22:40:03,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.39/7.19 [2019-03-28 22:40:03,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.19 [2019-03-28 22:40:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.19 [2019-03-28 22:40:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.19 [2019-03-28 22:40:03,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.39/7.19 [2019-03-28 22:40:03,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1894, now seen corresponding path program 2 times 15.39/7.19 [2019-03-28 22:40:03,808 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.39/7.19 [2019-03-28 22:40:03,808 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.39/7.19 [2019-03-28 22:40:03,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.19 [2019-03-28 22:40:03,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.39/7.19 [2019-03-28 22:40:03,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.19 [2019-03-28 22:40:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.19 [2019-03-28 22:40:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.19 [2019-03-28 22:40:03,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.39/7.19 [2019-03-28 22:40:03,816 INFO L82 PathProgramCache]: Analyzing trace with hash 53534399, now seen corresponding path program 1 times 15.39/7.19 [2019-03-28 22:40:03,816 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.39/7.19 [2019-03-28 22:40:03,816 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.39/7.19 [2019-03-28 22:40:03,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.19 [2019-03-28 22:40:03,817 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.39/7.19 [2019-03-28 22:40:03,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.19 [2019-03-28 22:40:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.19 [2019-03-28 22:40:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.19 [2019-03-28 22:40:03,848 INFO L216 LassoAnalysis]: Preferences: 15.39/7.19 [2019-03-28 22:40:03,848 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.39/7.19 [2019-03-28 22:40:03,848 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.39/7.19 [2019-03-28 22:40:03,849 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.39/7.19 [2019-03-28 22:40:03,849 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.39/7.19 [2019-03-28 22:40:03,849 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.39/7.19 [2019-03-28 22:40:03,849 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.39/7.19 [2019-03-28 22:40:03,849 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.39/7.19 [2019-03-28 22:40:03,849 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.39/7.19 [2019-03-28 22:40:03,849 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.39/7.19 [2019-03-28 22:40:03,849 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.39/7.19 [2019-03-28 22:40:03,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.19 [2019-03-28 22:40:03,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.19 [2019-03-28 22:40:03,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.19 [2019-03-28 22:40:03,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.19 [2019-03-28 22:40:03,923 INFO L300 LassoAnalysis]: Preprocessing complete. 15.39/7.19 [2019-03-28 22:40:03,923 INFO L412 LassoAnalysis]: Checking for nontermination... 15.39/7.19 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.39/7.19 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.39/7.19 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.39/7.19 [2019-03-28 22:40:03,927 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.39/7.19 [2019-03-28 22:40:03,928 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.39/7.19 [2019-03-28 22:40:03,956 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.39/7.19 [2019-03-28 22:40:03,956 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.39/7.19 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.39/7.19 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.39/7.19 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.39/7.19 [2019-03-28 22:40:03,963 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.39/7.19 [2019-03-28 22:40:03,963 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.39/7.19 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.39/7.19 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.39/7.19 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.39/7.19 [2019-03-28 22:40:03,994 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.39/7.19 [2019-03-28 22:40:03,994 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.39/7.19 [2019-03-28 22:40:04,026 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.39/7.19 [2019-03-28 22:40:04,029 INFO L216 LassoAnalysis]: Preferences: 15.39/7.19 [2019-03-28 22:40:04,029 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.39/7.19 [2019-03-28 22:40:04,029 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.39/7.19 [2019-03-28 22:40:04,029 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.39/7.19 [2019-03-28 22:40:04,029 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.39/7.19 [2019-03-28 22:40:04,029 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.39/7.19 [2019-03-28 22:40:04,029 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.39/7.19 [2019-03-28 22:40:04,030 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.39/7.19 [2019-03-28 22:40:04,030 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.39/7.19 [2019-03-28 22:40:04,030 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.39/7.19 [2019-03-28 22:40:04,030 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.39/7.19 [2019-03-28 22:40:04,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.19 [2019-03-28 22:40:04,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.19 [2019-03-28 22:40:04,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.19 [2019-03-28 22:40:04,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.19 [2019-03-28 22:40:04,111 INFO L300 LassoAnalysis]: Preprocessing complete. 15.39/7.19 [2019-03-28 22:40:04,111 INFO L497 LassoAnalysis]: Using template 'affine'. 15.39/7.19 [2019-03-28 22:40:04,112 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.39/7.19 Termination analysis: LINEAR_WITH_GUESSES 15.39/7.19 Number of strict supporting invariants: 0 15.39/7.19 Number of non-strict supporting invariants: 1 15.39/7.19 Consider only non-deceasing supporting invariants: true 15.39/7.19 Simplify termination arguments: true 15.39/7.19 Simplify supporting invariants: trueOverapproximate stem: false 15.39/7.19 [2019-03-28 22:40:04,113 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.39/7.19 [2019-03-28 22:40:04,113 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.39/7.19 [2019-03-28 22:40:04,113 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.39/7.19 [2019-03-28 22:40:04,113 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.39/7.19 [2019-03-28 22:40:04,115 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.39/7.19 [2019-03-28 22:40:04,116 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.39/7.19 [2019-03-28 22:40:04,120 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.39/7.19 [2019-03-28 22:40:04,121 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.39/7.19 Termination analysis: LINEAR_WITH_GUESSES 15.39/7.19 Number of strict supporting invariants: 0 15.39/7.19 Number of non-strict supporting invariants: 1 15.39/7.19 Consider only non-deceasing supporting invariants: true 15.39/7.19 Simplify termination arguments: true 15.39/7.19 Simplify supporting invariants: trueOverapproximate stem: false 15.39/7.19 [2019-03-28 22:40:04,121 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.39/7.19 [2019-03-28 22:40:04,122 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.39/7.19 [2019-03-28 22:40:04,122 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.39/7.19 [2019-03-28 22:40:04,122 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.39/7.19 [2019-03-28 22:40:04,122 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.39/7.19 [2019-03-28 22:40:04,123 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.39/7.19 [2019-03-28 22:40:04,123 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.39/7.19 [2019-03-28 22:40:04,127 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.39/7.19 [2019-03-28 22:40:04,130 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.39/7.19 [2019-03-28 22:40:04,130 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 15.39/7.19 [2019-03-28 22:40:04,131 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.39/7.19 [2019-03-28 22:40:04,131 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.39/7.19 [2019-03-28 22:40:04,131 INFO L518 LassoAnalysis]: Proved termination. 15.39/7.19 [2019-03-28 22:40:04,131 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.39/7.19 Ranking function f(ULTIMATE.start_main_~q~0) = 1*ULTIMATE.start_main_~q~0 15.39/7.19 Supporting invariants [] 15.39/7.19 [2019-03-28 22:40:04,131 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.39/7.19 [2019-03-28 22:40:04,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.39/7.19 [2019-03-28 22:40:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.39/7.19 [2019-03-28 22:40:04,159 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core 15.39/7.19 [2019-03-28 22:40:04,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.39/7.19 [2019-03-28 22:40:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.39/7.19 [2019-03-28 22:40:04,165 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 15.39/7.19 [2019-03-28 22:40:04,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.39/7.19 [2019-03-28 22:40:04,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.39/7.19 [2019-03-28 22:40:04,188 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 15.39/7.19 [2019-03-28 22:40:04,188 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 15.39/7.19 [2019-03-28 22:40:04,188 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. 15.39/7.19 [2019-03-28 22:40:04,202 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. 15.39/7.19 [2019-03-28 22:40:04,203 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 15.39/7.19 [2019-03-28 22:40:04,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.39/7.19 [2019-03-28 22:40:04,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. 15.39/7.19 [2019-03-28 22:40:04,204 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 2 letters. 15.39/7.19 [2019-03-28 22:40:04,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.39/7.19 [2019-03-28 22:40:04,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 2 letters. 15.39/7.19 [2019-03-28 22:40:04,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.39/7.19 [2019-03-28 22:40:04,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 4 letters. 15.39/7.19 [2019-03-28 22:40:04,206 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.39/7.19 [2019-03-28 22:40:04,206 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 13 transitions. 15.39/7.19 [2019-03-28 22:40:04,207 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.39/7.19 [2019-03-28 22:40:04,208 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 13 transitions. 15.39/7.19 [2019-03-28 22:40:04,208 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 15.39/7.19 [2019-03-28 22:40:04,208 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 15.39/7.19 [2019-03-28 22:40:04,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 13 transitions. 15.39/7.19 [2019-03-28 22:40:04,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.39/7.19 [2019-03-28 22:40:04,208 INFO L706 BuchiCegarLoop]: Abstraction has 9 states and 13 transitions. 15.39/7.19 [2019-03-28 22:40:04,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 13 transitions. 15.39/7.19 [2019-03-28 22:40:04,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 5. 15.39/7.19 [2019-03-28 22:40:04,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 15.39/7.19 [2019-03-28 22:40:04,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. 15.39/7.19 [2019-03-28 22:40:04,210 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. 15.39/7.19 [2019-03-28 22:40:04,210 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. 15.39/7.19 [2019-03-28 22:40:04,210 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 15.39/7.19 [2019-03-28 22:40:04,210 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 7 transitions. 15.39/7.19 [2019-03-28 22:40:04,211 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.39/7.19 [2019-03-28 22:40:04,211 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.39/7.19 [2019-03-28 22:40:04,211 INFO L119 BuchiIsEmpty]: Starting construction of run 15.39/7.19 [2019-03-28 22:40:04,211 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.39/7.19 [2019-03-28 22:40:04,211 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.39/7.19 [2019-03-28 22:40:04,212 INFO L794 eck$LassoCheckResult]: Stem: 99#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~q~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_1, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~q~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0] 95#L18-2 15.39/7.19 [2019-03-28 22:40:04,212 INFO L796 eck$LassoCheckResult]: Loop: 95#L18-2 [29] L18-2-->L18: Formula: (< 0 v_ULTIMATE.start_main_~q~0_7) InVars {ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_7} OutVars{ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_7} AuxVars[] AssignedVars[] 97#L18 [30] L18-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~q~0_8 |v_ULTIMATE.start_main_#t~nondet2_3|) (< 0 v_ULTIMATE.start_main_~y~0_7) (= v_ULTIMATE.start_main_~y~0_6 0)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_8, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_~q~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~y~0] 95#L18-2 15.39/7.19 [2019-03-28 22:40:04,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.39/7.19 [2019-03-28 22:40:04,213 INFO L82 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 2 times 15.39/7.19 [2019-03-28 22:40:04,213 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.39/7.19 [2019-03-28 22:40:04,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.39/7.19 [2019-03-28 22:40:04,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.19 [2019-03-28 22:40:04,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.39/7.19 [2019-03-28 22:40:04,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.19 [2019-03-28 22:40:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.19 [2019-03-28 22:40:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.19 [2019-03-28 22:40:04,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.39/7.19 [2019-03-28 22:40:04,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1890, now seen corresponding path program 1 times 15.39/7.19 [2019-03-28 22:40:04,218 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.39/7.19 [2019-03-28 22:40:04,218 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.39/7.19 [2019-03-28 22:40:04,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.19 [2019-03-28 22:40:04,220 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.39/7.19 [2019-03-28 22:40:04,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.19 [2019-03-28 22:40:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.19 [2019-03-28 22:40:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.19 [2019-03-28 22:40:04,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.39/7.19 [2019-03-28 22:40:04,224 INFO L82 PathProgramCache]: Analyzing trace with hash 55706, now seen corresponding path program 2 times 15.39/7.19 [2019-03-28 22:40:04,224 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.39/7.19 [2019-03-28 22:40:04,225 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.39/7.19 [2019-03-28 22:40:04,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.19 [2019-03-28 22:40:04,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.39/7.19 [2019-03-28 22:40:04,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.19 [2019-03-28 22:40:04,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.19 [2019-03-28 22:40:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.19 [2019-03-28 22:40:04,247 INFO L216 LassoAnalysis]: Preferences: 15.39/7.19 [2019-03-28 22:40:04,248 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.39/7.19 [2019-03-28 22:40:04,248 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.39/7.19 [2019-03-28 22:40:04,248 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.39/7.19 [2019-03-28 22:40:04,248 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.39/7.20 [2019-03-28 22:40:04,248 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.39/7.20 [2019-03-28 22:40:04,248 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.39/7.20 [2019-03-28 22:40:04,249 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.39/7.20 [2019-03-28 22:40:04,249 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.39/7.20 [2019-03-28 22:40:04,249 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.39/7.20 [2019-03-28 22:40:04,249 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.39/7.20 [2019-03-28 22:40:04,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.20 [2019-03-28 22:40:04,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.20 [2019-03-28 22:40:04,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.20 [2019-03-28 22:40:04,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.20 [2019-03-28 22:40:04,323 INFO L300 LassoAnalysis]: Preprocessing complete. 15.39/7.20 [2019-03-28 22:40:04,324 INFO L412 LassoAnalysis]: Checking for nontermination... 15.39/7.20 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.39/7.20 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.39/7.20 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.39/7.20 [2019-03-28 22:40:04,331 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.39/7.20 [2019-03-28 22:40:04,331 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.39/7.20 [2019-03-28 22:40:04,359 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.39/7.20 [2019-03-28 22:40:04,360 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.39/7.20 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.39/7.20 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.39/7.20 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.39/7.20 [2019-03-28 22:40:04,365 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.39/7.20 [2019-03-28 22:40:04,365 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.39/7.20 [2019-03-28 22:40:04,371 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.39/7.20 [2019-03-28 22:40:04,371 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=5, ULTIMATE.start_main_~q~0=5} Honda state: {ULTIMATE.start_main_#t~nondet2=5, ULTIMATE.start_main_~q~0=5} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.39/7.20 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.39/7.20 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.39/7.20 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.39/7.20 [2019-03-28 22:40:04,403 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.39/7.20 [2019-03-28 22:40:04,403 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.39/7.20 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.39/7.20 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.39/7.20 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.39/7.20 [2019-03-28 22:40:04,435 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.39/7.20 [2019-03-28 22:40:04,435 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.39/7.20 [2019-03-28 22:40:04,468 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.39/7.20 [2019-03-28 22:40:04,470 INFO L216 LassoAnalysis]: Preferences: 15.39/7.20 [2019-03-28 22:40:04,470 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.39/7.20 [2019-03-28 22:40:04,470 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.39/7.20 [2019-03-28 22:40:04,470 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.39/7.20 [2019-03-28 22:40:04,470 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.39/7.20 [2019-03-28 22:40:04,471 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.39/7.20 [2019-03-28 22:40:04,471 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.39/7.20 [2019-03-28 22:40:04,471 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.39/7.20 [2019-03-28 22:40:04,471 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.39/7.20 [2019-03-28 22:40:04,471 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.39/7.20 [2019-03-28 22:40:04,471 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.39/7.20 [2019-03-28 22:40:04,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.20 [2019-03-28 22:40:04,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.20 [2019-03-28 22:40:04,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.20 [2019-03-28 22:40:04,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.20 [2019-03-28 22:40:04,538 INFO L300 LassoAnalysis]: Preprocessing complete. 15.39/7.20 [2019-03-28 22:40:04,539 INFO L497 LassoAnalysis]: Using template 'affine'. 15.39/7.20 [2019-03-28 22:40:04,539 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.39/7.20 Termination analysis: LINEAR_WITH_GUESSES 15.39/7.20 Number of strict supporting invariants: 0 15.39/7.20 Number of non-strict supporting invariants: 1 15.39/7.20 Consider only non-deceasing supporting invariants: true 15.39/7.20 Simplify termination arguments: true 15.39/7.20 Simplify supporting invariants: trueOverapproximate stem: false 15.39/7.20 [2019-03-28 22:40:04,540 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.39/7.20 [2019-03-28 22:40:04,540 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.39/7.20 [2019-03-28 22:40:04,540 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.39/7.20 [2019-03-28 22:40:04,540 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.39/7.20 [2019-03-28 22:40:04,542 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.39/7.20 [2019-03-28 22:40:04,542 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.39/7.20 [2019-03-28 22:40:04,547 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.39/7.20 [2019-03-28 22:40:04,547 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.39/7.20 Termination analysis: LINEAR_WITH_GUESSES 15.39/7.20 Number of strict supporting invariants: 0 15.39/7.20 Number of non-strict supporting invariants: 1 15.39/7.20 Consider only non-deceasing supporting invariants: true 15.39/7.20 Simplify termination arguments: true 15.39/7.20 Simplify supporting invariants: trueOverapproximate stem: false 15.39/7.20 [2019-03-28 22:40:04,548 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.39/7.20 [2019-03-28 22:40:04,548 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.39/7.20 [2019-03-28 22:40:04,549 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.39/7.20 [2019-03-28 22:40:04,549 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.39/7.20 [2019-03-28 22:40:04,549 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.39/7.20 [2019-03-28 22:40:04,550 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.39/7.20 [2019-03-28 22:40:04,550 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.39/7.20 [2019-03-28 22:40:04,553 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.39/7.20 [2019-03-28 22:40:04,554 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.39/7.20 Termination analysis: LINEAR_WITH_GUESSES 15.39/7.20 Number of strict supporting invariants: 0 15.39/7.20 Number of non-strict supporting invariants: 1 15.39/7.20 Consider only non-deceasing supporting invariants: true 15.39/7.20 Simplify termination arguments: true 15.39/7.20 Simplify supporting invariants: trueOverapproximate stem: false 15.39/7.20 [2019-03-28 22:40:04,554 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.39/7.20 [2019-03-28 22:40:04,554 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.39/7.20 [2019-03-28 22:40:04,555 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.39/7.20 [2019-03-28 22:40:04,555 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.39/7.20 [2019-03-28 22:40:04,555 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.39/7.20 [2019-03-28 22:40:04,555 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.39/7.20 [2019-03-28 22:40:04,555 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.39/7.20 [2019-03-28 22:40:04,558 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.39/7.20 [2019-03-28 22:40:04,561 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.39/7.20 [2019-03-28 22:40:04,561 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 15.39/7.20 [2019-03-28 22:40:04,562 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.39/7.20 [2019-03-28 22:40:04,562 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.39/7.20 [2019-03-28 22:40:04,562 INFO L518 LassoAnalysis]: Proved termination. 15.39/7.20 [2019-03-28 22:40:04,562 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.39/7.20 Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 15.39/7.20 Supporting invariants [] 15.39/7.20 [2019-03-28 22:40:04,563 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.39/7.20 [2019-03-28 22:40:04,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.39/7.20 [2019-03-28 22:40:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.39/7.20 [2019-03-28 22:40:04,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 15.39/7.20 [2019-03-28 22:40:04,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.39/7.20 [2019-03-28 22:40:04,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.39/7.20 [2019-03-28 22:40:04,589 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 15.39/7.20 [2019-03-28 22:40:04,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.39/7.20 [2019-03-28 22:40:04,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.39/7.20 [2019-03-28 22:40:04,590 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 15.39/7.20 [2019-03-28 22:40:04,591 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 15.39/7.20 [2019-03-28 22:40:04,591 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 7 transitions. cyclomatic complexity: 3 Second operand 3 states. 15.39/7.20 [2019-03-28 22:40:04,601 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 7 transitions. cyclomatic complexity: 3. Second operand 3 states. Result 11 states and 17 transitions. Complement of second has 4 states. 15.39/7.20 [2019-03-28 22:40:04,602 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 15.39/7.20 [2019-03-28 22:40:04,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.39/7.20 [2019-03-28 22:40:04,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. 15.39/7.20 [2019-03-28 22:40:04,602 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 2 letters. 15.39/7.20 [2019-03-28 22:40:04,603 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.39/7.20 [2019-03-28 22:40:04,603 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 2 letters. 15.39/7.20 [2019-03-28 22:40:04,603 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.39/7.20 [2019-03-28 22:40:04,603 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 4 letters. 15.39/7.20 [2019-03-28 22:40:04,603 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.39/7.20 [2019-03-28 22:40:04,604 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 17 transitions. 15.39/7.20 [2019-03-28 22:40:04,606 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.39/7.20 [2019-03-28 22:40:04,606 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. 15.39/7.20 [2019-03-28 22:40:04,606 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 15.39/7.20 [2019-03-28 22:40:04,606 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 15.39/7.20 [2019-03-28 22:40:04,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 15.39/7.20 [2019-03-28 22:40:04,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.39/7.20 [2019-03-28 22:40:04,606 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.39/7.20 [2019-03-28 22:40:04,606 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.39/7.20 [2019-03-28 22:40:04,607 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.39/7.20 [2019-03-28 22:40:04,607 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 15.39/7.20 [2019-03-28 22:40:04,607 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 15.39/7.20 [2019-03-28 22:40:04,607 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.39/7.20 [2019-03-28 22:40:04,607 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 15.39/7.20 [2019-03-28 22:40:04,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:40:04 BasicIcfg 15.39/7.20 [2019-03-28 22:40:04,614 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.39/7.20 [2019-03-28 22:40:04,614 INFO L168 Benchmark]: Toolchain (without parser) took 2575.23 ms. Allocated memory was 649.6 MB in the beginning and 683.7 MB in the end (delta: 34.1 MB). Free memory was 563.8 MB in the beginning and 409.4 MB in the end (delta: 154.4 MB). Peak memory consumption was 188.5 MB. Max. memory is 50.3 GB. 15.39/7.20 [2019-03-28 22:40:04,616 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.39/7.20 [2019-03-28 22:40:04,617 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.43 ms. Allocated memory is still 649.6 MB. Free memory was 563.8 MB in the beginning and 554.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 15.39/7.20 [2019-03-28 22:40:04,617 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.67 ms. Allocated memory was 649.6 MB in the beginning and 683.7 MB in the end (delta: 34.1 MB). Free memory was 554.3 MB in the beginning and 650.0 MB in the end (delta: -95.7 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 15.39/7.20 [2019-03-28 22:40:04,618 INFO L168 Benchmark]: Boogie Preprocessor took 19.34 ms. Allocated memory is still 683.7 MB. Free memory was 650.0 MB in the beginning and 648.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 15.39/7.20 [2019-03-28 22:40:04,619 INFO L168 Benchmark]: RCFGBuilder took 193.04 ms. Allocated memory is still 683.7 MB. Free memory was 648.2 MB in the beginning and 635.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 15.39/7.20 [2019-03-28 22:40:04,619 INFO L168 Benchmark]: BlockEncodingV2 took 71.30 ms. Allocated memory is still 683.7 MB. Free memory was 635.3 MB in the beginning and 628.8 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 15.39/7.20 [2019-03-28 22:40:04,620 INFO L168 Benchmark]: TraceAbstraction took 154.61 ms. Allocated memory is still 683.7 MB. Free memory was 628.8 MB in the beginning and 619.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 15.39/7.20 [2019-03-28 22:40:04,620 INFO L168 Benchmark]: BuchiAutomizer took 1807.51 ms. Allocated memory is still 683.7 MB. Free memory was 619.4 MB in the beginning and 409.4 MB in the end (delta: 209.9 MB). Peak memory consumption was 209.9 MB. Max. memory is 50.3 GB. 15.39/7.20 [2019-03-28 22:40:04,624 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.39/7.20 --- Results --- 15.39/7.20 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.39/7.20 - StatisticsResult: Initial Icfg 15.39/7.20 7 locations, 9 edges 15.39/7.20 - StatisticsResult: Encoded RCFG 15.39/7.20 3 locations, 4 edges 15.39/7.20 * Results from de.uni_freiburg.informatik.ultimate.core: 15.39/7.20 - StatisticsResult: Toolchain Benchmarks 15.39/7.20 Benchmark results are: 15.39/7.20 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.39/7.20 * CACSL2BoogieTranslator took 230.43 ms. Allocated memory is still 649.6 MB. Free memory was 563.8 MB in the beginning and 554.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 15.39/7.20 * Boogie Procedure Inliner took 93.67 ms. Allocated memory was 649.6 MB in the beginning and 683.7 MB in the end (delta: 34.1 MB). Free memory was 554.3 MB in the beginning and 650.0 MB in the end (delta: -95.7 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 15.39/7.20 * Boogie Preprocessor took 19.34 ms. Allocated memory is still 683.7 MB. Free memory was 650.0 MB in the beginning and 648.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 15.39/7.20 * RCFGBuilder took 193.04 ms. Allocated memory is still 683.7 MB. Free memory was 648.2 MB in the beginning and 635.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 15.39/7.20 * BlockEncodingV2 took 71.30 ms. Allocated memory is still 683.7 MB. Free memory was 635.3 MB in the beginning and 628.8 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 15.39/7.20 * TraceAbstraction took 154.61 ms. Allocated memory is still 683.7 MB. Free memory was 628.8 MB in the beginning and 619.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 15.39/7.20 * BuchiAutomizer took 1807.51 ms. Allocated memory is still 683.7 MB. Free memory was 619.4 MB in the beginning and 409.4 MB in the end (delta: 209.9 MB). Peak memory consumption was 209.9 MB. Max. memory is 50.3 GB. 15.39/7.20 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.39/7.20 - AllSpecificationsHoldResult: All specifications hold 15.39/7.20 We were not able to verify any specifiation because the program does not contain any specification. 15.39/7.20 - InvariantResult [Line: 17]: Loop Invariant 15.39/7.20 Derived loop invariant: 1 15.39/7.20 - StatisticsResult: Ultimate Automizer benchmark data 15.39/7.20 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 15.39/7.20 - StatisticsResult: Constructed decomposition of program 15.39/7.20 Your program was decomposed into 3 terminating modules (0 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function q and consists of 3 locations. One nondeterministic module has affine ranking function q and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. 15.39/7.20 - StatisticsResult: Timing statistics 15.39/7.20 BüchiAutomizer plugin needed 1.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 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: 12 SDtfs, 15 SDslu, 1 SDs, 0 SdLazy, 22 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax173 hnf100 lsp32 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq156 hnf93 smp100 dnf100 smp100 tf114 neg100 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s 15.39/7.20 - TerminationAnalysisResult: Termination proven 15.39/7.20 Buchi Automizer proved that your program is terminating 15.39/7.20 RESULT: Ultimate proved your program to be correct! 15.39/7.20 !SESSION 2019-03-28 22:39:58.764 ----------------------------------------------- 15.39/7.20 eclipse.buildId=unknown 15.39/7.20 java.version=1.8.0_181 15.39/7.20 java.vendor=Oracle Corporation 15.39/7.20 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.39/7.20 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 15.39/7.20 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 15.39/7.20 15.39/7.20 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:40:04.858 15.39/7.20 !MESSAGE The workspace will exit with unsaved changes in this session. 15.39/7.20 Received shutdown request... 15.39/7.20 Ultimate: 15.39/7.20 GTK+ Version Check 15.39/7.20 EOF