15.47/8.63 NO 15.47/8.63 15.47/8.63 Ultimate: Cannot open display: 15.47/8.63 This is Ultimate 0.1.24-8dc7c08-m 15.47/8.63 [2019-03-28 12:06:48,110 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.47/8.63 [2019-03-28 12:06:48,112 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.47/8.63 [2019-03-28 12:06:48,123 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.47/8.63 [2019-03-28 12:06:48,124 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.47/8.63 [2019-03-28 12:06:48,125 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.47/8.63 [2019-03-28 12:06:48,126 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.47/8.63 [2019-03-28 12:06:48,127 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.47/8.63 [2019-03-28 12:06:48,129 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.47/8.63 [2019-03-28 12:06:48,129 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.47/8.63 [2019-03-28 12:06:48,130 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.47/8.63 [2019-03-28 12:06:48,131 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.47/8.63 [2019-03-28 12:06:48,131 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.47/8.63 [2019-03-28 12:06:48,132 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.47/8.63 [2019-03-28 12:06:48,133 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.47/8.63 [2019-03-28 12:06:48,134 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.47/8.63 [2019-03-28 12:06:48,135 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.47/8.63 [2019-03-28 12:06:48,136 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.47/8.63 [2019-03-28 12:06:48,138 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.47/8.63 [2019-03-28 12:06:48,140 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.47/8.63 [2019-03-28 12:06:48,141 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.47/8.63 [2019-03-28 12:06:48,142 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.47/8.63 [2019-03-28 12:06:48,144 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.47/8.63 [2019-03-28 12:06:48,145 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.47/8.63 [2019-03-28 12:06:48,145 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.47/8.63 [2019-03-28 12:06:48,146 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.47/8.63 [2019-03-28 12:06:48,146 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.47/8.63 [2019-03-28 12:06:48,147 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.47/8.63 [2019-03-28 12:06:48,148 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.47/8.63 [2019-03-28 12:06:48,148 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.47/8.63 [2019-03-28 12:06:48,149 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.47/8.63 [2019-03-28 12:06:48,150 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.47/8.63 [2019-03-28 12:06:48,151 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.47/8.63 [2019-03-28 12:06:48,151 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.47/8.63 [2019-03-28 12:06:48,152 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.47/8.63 [2019-03-28 12:06:48,152 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.47/8.63 [2019-03-28 12:06:48,152 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.47/8.63 [2019-03-28 12:06:48,153 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.47/8.63 [2019-03-28 12:06:48,154 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.47/8.63 [2019-03-28 12:06:48,154 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 15.47/8.63 [2019-03-28 12:06:48,169 INFO L110 SettingsManager]: Loading preferences was successful 15.47/8.63 [2019-03-28 12:06:48,169 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.47/8.63 [2019-03-28 12:06:48,170 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.47/8.63 [2019-03-28 12:06:48,170 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.47/8.63 [2019-03-28 12:06:48,171 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.47/8.63 [2019-03-28 12:06:48,171 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.47/8.63 [2019-03-28 12:06:48,171 INFO L133 SettingsManager]: * Use SBE=true 15.47/8.63 [2019-03-28 12:06:48,171 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.47/8.63 [2019-03-28 12:06:48,171 INFO L133 SettingsManager]: * Use old map elimination=false 15.47/8.63 [2019-03-28 12:06:48,171 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.47/8.63 [2019-03-28 12:06:48,172 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.47/8.63 [2019-03-28 12:06:48,172 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.47/8.63 [2019-03-28 12:06:48,172 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.47/8.63 [2019-03-28 12:06:48,172 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.47/8.63 [2019-03-28 12:06:48,172 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.47/8.63 [2019-03-28 12:06:48,172 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.47/8.63 [2019-03-28 12:06:48,173 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.47/8.63 [2019-03-28 12:06:48,173 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.47/8.63 [2019-03-28 12:06:48,173 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.47/8.63 [2019-03-28 12:06:48,173 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.47/8.63 [2019-03-28 12:06:48,173 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.47/8.63 [2019-03-28 12:06:48,174 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.47/8.63 [2019-03-28 12:06:48,174 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.47/8.63 [2019-03-28 12:06:48,174 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.47/8.63 [2019-03-28 12:06:48,174 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.47/8.63 [2019-03-28 12:06:48,174 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.47/8.63 [2019-03-28 12:06:48,174 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.47/8.63 [2019-03-28 12:06:48,175 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.47/8.63 [2019-03-28 12:06:48,175 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.47/8.63 [2019-03-28 12:06:48,201 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.47/8.63 [2019-03-28 12:06:48,227 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.47/8.63 [2019-03-28 12:06:48,230 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.47/8.63 [2019-03-28 12:06:48,232 INFO L271 PluginConnector]: Initializing CDTParser... 15.47/8.63 [2019-03-28 12:06:48,232 INFO L276 PluginConnector]: CDTParser initialized 15.47/8.63 [2019-03-28 12:06:48,233 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 15.47/8.63 [2019-03-28 12:06:48,295 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/fd7a86520b0f4260935a9e1b70e9d4d2/FLAG8066d0ca6 15.47/8.63 [2019-03-28 12:06:48,830 INFO L307 CDTParser]: Found 1 translation units. 15.47/8.63 [2019-03-28 12:06:48,830 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 15.47/8.63 [2019-03-28 12:06:48,837 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/fd7a86520b0f4260935a9e1b70e9d4d2/FLAG8066d0ca6 15.47/8.63 [2019-03-28 12:06:49,218 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/fd7a86520b0f4260935a9e1b70e9d4d2 15.47/8.63 [2019-03-28 12:06:49,230 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.47/8.63 [2019-03-28 12:06:49,232 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.47/8.63 [2019-03-28 12:06:49,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.47/8.63 [2019-03-28 12:06:49,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.47/8.63 [2019-03-28 12:06:49,237 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.47/8.63 [2019-03-28 12:06:49,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:06:49" (1/1) ... 15.47/8.63 [2019-03-28 12:06:49,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7762663e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:06:49, skipping insertion in model container 15.47/8.63 [2019-03-28 12:06:49,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:06:49" (1/1) ... 15.47/8.63 [2019-03-28 12:06:49,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.47/8.63 [2019-03-28 12:06:49,267 INFO L176 MainTranslator]: Built tables and reachable declarations 15.47/8.63 [2019-03-28 12:06:49,420 INFO L206 PostProcessor]: Analyzing one entry point: main 15.47/8.63 [2019-03-28 12:06:49,424 INFO L191 MainTranslator]: Completed pre-run 15.47/8.63 [2019-03-28 12:06:49,440 INFO L206 PostProcessor]: Analyzing one entry point: main 15.47/8.63 [2019-03-28 12:06:49,455 INFO L195 MainTranslator]: Completed translation 15.47/8.63 [2019-03-28 12:06:49,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:06:49 WrapperNode 15.47/8.63 [2019-03-28 12:06:49,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.47/8.63 [2019-03-28 12:06:49,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.47/8.63 [2019-03-28 12:06:49,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.47/8.63 [2019-03-28 12:06:49,457 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.47/8.63 [2019-03-28 12:06:49,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:06:49" (1/1) ... 15.47/8.63 [2019-03-28 12:06:49,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:06:49" (1/1) ... 15.47/8.63 [2019-03-28 12:06:49,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.47/8.63 [2019-03-28 12:06:49,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.47/8.63 [2019-03-28 12:06:49,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.47/8.63 [2019-03-28 12:06:49,550 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.47/8.63 [2019-03-28 12:06:49,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:06:49" (1/1) ... 15.47/8.63 [2019-03-28 12:06:49,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:06:49" (1/1) ... 15.47/8.63 [2019-03-28 12:06:49,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:06:49" (1/1) ... 15.47/8.63 [2019-03-28 12:06:49,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:06:49" (1/1) ... 15.47/8.63 [2019-03-28 12:06:49,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:06:49" (1/1) ... 15.47/8.63 [2019-03-28 12:06:49,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:06:49" (1/1) ... 15.47/8.63 [2019-03-28 12:06:49,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:06:49" (1/1) ... 15.47/8.63 [2019-03-28 12:06:49,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.47/8.63 [2019-03-28 12:06:49,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.47/8.63 [2019-03-28 12:06:49,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.47/8.63 [2019-03-28 12:06:49,567 INFO L276 PluginConnector]: RCFGBuilder initialized 15.47/8.63 [2019-03-28 12:06:49,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:06:49" (1/1) ... 15.47/8.63 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.47/8.63 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.47/8.63 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.47/8.63 [2019-03-28 12:06:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure g 15.47/8.63 [2019-03-28 12:06:49,633 INFO L138 BoogieDeclarations]: Found implementation of procedure g 15.47/8.63 [2019-03-28 12:06:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.47/8.63 [2019-03-28 12:06:49,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.47/8.63 [2019-03-28 12:06:49,750 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.47/8.63 [2019-03-28 12:06:49,751 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. 15.47/8.63 [2019-03-28 12:06:49,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:06:49 BoogieIcfgContainer 15.47/8.63 [2019-03-28 12:06:49,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.47/8.63 [2019-03-28 12:06:49,753 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.47/8.63 [2019-03-28 12:06:49,753 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.47/8.63 [2019-03-28 12:06:49,755 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.47/8.63 [2019-03-28 12:06:49,756 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:06:49" (1/1) ... 15.47/8.63 [2019-03-28 12:06:49,771 INFO L313 BlockEncoder]: Initial Icfg 13 locations, 15 edges 15.47/8.63 [2019-03-28 12:06:49,773 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.47/8.63 [2019-03-28 12:06:49,774 INFO L263 BlockEncoder]: Using Maximize final states 15.47/8.63 [2019-03-28 12:06:49,774 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.47/8.63 [2019-03-28 12:06:49,774 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.47/8.63 [2019-03-28 12:06:49,776 INFO L296 BlockEncoder]: Using Remove sink states 15.47/8.63 [2019-03-28 12:06:49,777 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.47/8.63 [2019-03-28 12:06:49,777 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.47/8.63 [2019-03-28 12:06:49,791 INFO L185 BlockEncoder]: Using Use SBE 15.47/8.63 [2019-03-28 12:06:49,805 INFO L200 BlockEncoder]: SBE split 1 edges 15.47/8.63 [2019-03-28 12:06:49,809 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.47/8.63 [2019-03-28 12:06:49,811 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.47/8.63 [2019-03-28 12:06:49,820 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 15.47/8.63 [2019-03-28 12:06:49,822 INFO L70 RemoveSinkStates]: Removed 2 edges and 2 locations by removing sink states 15.47/8.63 [2019-03-28 12:06:49,824 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.47/8.63 [2019-03-28 12:06:49,824 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.47/8.63 [2019-03-28 12:06:49,824 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.47/8.63 [2019-03-28 12:06:49,825 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.47/8.63 [2019-03-28 12:06:49,825 INFO L313 BlockEncoder]: Encoded RCFG 9 locations, 12 edges 15.47/8.63 [2019-03-28 12:06:49,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:06:49 BasicIcfg 15.47/8.63 [2019-03-28 12:06:49,826 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.47/8.63 [2019-03-28 12:06:49,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.47/8.63 [2019-03-28 12:06:49,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.47/8.63 [2019-03-28 12:06:49,830 INFO L276 PluginConnector]: TraceAbstraction initialized 15.47/8.63 [2019-03-28 12:06:49,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:06:49" (1/4) ... 15.47/8.63 [2019-03-28 12:06:49,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63584011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:06:49, skipping insertion in model container 15.47/8.63 [2019-03-28 12:06:49,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:06:49" (2/4) ... 15.47/8.63 [2019-03-28 12:06:49,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63584011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:06:49, skipping insertion in model container 15.47/8.63 [2019-03-28 12:06:49,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:06:49" (3/4) ... 15.47/8.63 [2019-03-28 12:06:49,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63584011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:06:49, skipping insertion in model container 15.47/8.63 [2019-03-28 12:06:49,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:06:49" (4/4) ... 15.47/8.63 [2019-03-28 12:06:49,834 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.47/8.63 [2019-03-28 12:06:49,844 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.47/8.63 [2019-03-28 12:06:49,852 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.47/8.63 [2019-03-28 12:06:49,869 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.47/8.63 [2019-03-28 12:06:49,897 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.47/8.63 [2019-03-28 12:06:49,898 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.47/8.63 [2019-03-28 12:06:49,898 INFO L383 AbstractCegarLoop]: Hoare is true 15.47/8.63 [2019-03-28 12:06:49,898 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.47/8.63 [2019-03-28 12:06:49,899 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.47/8.63 [2019-03-28 12:06:49,899 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.47/8.63 [2019-03-28 12:06:49,899 INFO L387 AbstractCegarLoop]: Difference is false 15.47/8.63 [2019-03-28 12:06:49,899 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.47/8.63 [2019-03-28 12:06:49,899 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.47/8.63 [2019-03-28 12:06:49,916 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. 15.47/8.63 [2019-03-28 12:06:49,922 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.47/8.63 [2019-03-28 12:06:49,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 9 states. 15.47/8.63 [2019-03-28 12:06:49,988 INFO L451 ceAbstractionStarter]: At program point L15(line 15) the Hoare annotation is: true 15.47/8.63 [2019-03-28 12:06:49,989 INFO L451 ceAbstractionStarter]: At program point L15-1(line 15) the Hoare annotation is: true 15.47/8.63 [2019-03-28 12:06:49,989 INFO L448 ceAbstractionStarter]: For program point L15-2(line 15) no Hoare annotation was computed. 15.47/8.63 [2019-03-28 12:06:49,989 INFO L448 ceAbstractionStarter]: For program point L12(lines 12 15) no Hoare annotation was computed. 15.47/8.63 [2019-03-28 12:06:49,989 INFO L448 ceAbstractionStarter]: For program point gEXIT(lines 10 16) no Hoare annotation was computed. 15.47/8.63 [2019-03-28 12:06:49,989 INFO L448 ceAbstractionStarter]: For program point gFINAL(lines 10 16) no Hoare annotation was computed. 15.47/8.63 [2019-03-28 12:06:49,990 INFO L451 ceAbstractionStarter]: At program point gENTRY(lines 10 16) the Hoare annotation is: true 15.47/8.63 [2019-03-28 12:06:49,990 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.47/8.63 [2019-03-28 12:06:49,990 INFO L451 ceAbstractionStarter]: At program point L20(line 20) the Hoare annotation is: true 15.47/8.63 [2019-03-28 12:06:49,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:06:49 BasicIcfg 15.47/8.63 [2019-03-28 12:06:49,993 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.47/8.63 [2019-03-28 12:06:49,994 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.47/8.63 [2019-03-28 12:06:49,994 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.47/8.63 [2019-03-28 12:06:49,998 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.47/8.63 [2019-03-28 12:06:49,998 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.47/8.63 [2019-03-28 12:06:49,999 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:06:49" (1/5) ... 15.47/8.63 [2019-03-28 12:06:49,999 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33ad8ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:06:49, skipping insertion in model container 15.47/8.63 [2019-03-28 12:06:49,999 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.47/8.63 [2019-03-28 12:06:50,000 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:06:49" (2/5) ... 15.47/8.63 [2019-03-28 12:06:50,000 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33ad8ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:06:50, skipping insertion in model container 15.47/8.63 [2019-03-28 12:06:50,000 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.47/8.63 [2019-03-28 12:06:50,000 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:06:49" (3/5) ... 15.47/8.63 [2019-03-28 12:06:50,001 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33ad8ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:06:50, skipping insertion in model container 15.47/8.63 [2019-03-28 12:06:50,001 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.47/8.63 [2019-03-28 12:06:50,001 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:06:49" (4/5) ... 15.47/8.63 [2019-03-28 12:06:50,001 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33ad8ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:06:50, skipping insertion in model container 15.47/8.63 [2019-03-28 12:06:50,001 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.47/8.63 [2019-03-28 12:06:50,002 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:06:49" (5/5) ... 15.47/8.63 [2019-03-28 12:06:50,003 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.47/8.63 [2019-03-28 12:06:50,032 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.47/8.63 [2019-03-28 12:06:50,032 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.47/8.63 [2019-03-28 12:06:50,033 INFO L375 BuchiCegarLoop]: Hoare is true 15.47/8.63 [2019-03-28 12:06:50,033 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.47/8.63 [2019-03-28 12:06:50,033 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.47/8.63 [2019-03-28 12:06:50,033 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.47/8.63 [2019-03-28 12:06:50,033 INFO L379 BuchiCegarLoop]: Difference is false 15.47/8.63 [2019-03-28 12:06:50,033 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.47/8.63 [2019-03-28 12:06:50,034 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.47/8.63 [2019-03-28 12:06:50,037 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. 15.47/8.63 [2019-03-28 12:06:50,058 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.47/8.63 [2019-03-28 12:06:50,058 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.47/8.63 [2019-03-28 12:06:50,058 INFO L119 BuchiIsEmpty]: Starting construction of run 15.47/8.63 [2019-03-28 12:06:50,065 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 15.47/8.63 [2019-03-28 12:06:50,066 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.47/8.63 [2019-03-28 12:06:50,066 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.47/8.63 [2019-03-28 12:06:50,066 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. 15.47/8.63 [2019-03-28 12:06:50,067 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.47/8.63 [2019-03-28 12:06:50,067 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.47/8.63 [2019-03-28 12:06:50,068 INFO L119 BuchiIsEmpty]: Starting construction of run 15.47/8.63 [2019-03-28 12:06:50,068 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 15.47/8.63 [2019-03-28 12:06:50,068 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.47/8.63 [2019-03-28 12:06:50,073 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [28] ULTIMATE.startENTRY-->L20: Formula: (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|) InVars {} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~ret3] 10#L20true [27] L20-->gENTRY: Formula: (= |v_g_#in~xInParam_3| v_ULTIMATE.start_main_~x~0_5) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{g_#in~x=|v_g_#in~xInParam_3|} AuxVars[] AssignedVars[g_#in~x]< 5#gENTRYtrue 15.47/8.63 [2019-03-28 12:06:50,074 INFO L796 eck$LassoCheckResult]: Loop: 5#gENTRYtrue [29] gENTRY-->L12: Formula: (= v_g_~x_1 |v_g_#in~x_1|) InVars {g_#in~x=|v_g_#in~x_1|} OutVars{g_#in~x=|v_g_#in~x_1|, g_~x=v_g_~x_1} AuxVars[] AssignedVars[g_~x] 3#L12true [38] L12-->L15: Formula: (< 0 v_g_~x_3) InVars {g_~x=v_g_~x_3} OutVars{g_~x=v_g_~x_3} AuxVars[] AssignedVars[] 7#L15true [30] L15-->gENTRY: Formula: (= |v_g_#in~xInParam_1| (+ v_g_~x_5 (- 1))) InVars {g_~x=v_g_~x_5} OutVars{g_#in~x=|v_g_#in~xInParam_1|} AuxVars[] AssignedVars[g_#in~x]< 5#gENTRYtrue 15.47/8.63 [2019-03-28 12:06:50,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.47/8.63 [2019-03-28 12:06:50,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1856, now seen corresponding path program 1 times 15.47/8.63 [2019-03-28 12:06:50,082 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.47/8.63 [2019-03-28 12:06:50,083 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.47/8.63 [2019-03-28 12:06:50,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.47/8.63 [2019-03-28 12:06:50,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.47/8.63 [2019-03-28 12:06:50,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.47/8.63 [2019-03-28 12:06:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.47/8.63 [2019-03-28 12:06:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.47/8.63 [2019-03-28 12:06:50,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.47/8.63 [2019-03-28 12:06:50,149 INFO L82 PathProgramCache]: Analyzing trace with hash 58868, now seen corresponding path program 1 times 15.47/8.63 [2019-03-28 12:06:50,149 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.47/8.63 [2019-03-28 12:06:50,149 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.47/8.63 [2019-03-28 12:06:50,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.47/8.63 [2019-03-28 12:06:50,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.47/8.63 [2019-03-28 12:06:50,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.47/8.63 [2019-03-28 12:06:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.47/8.63 [2019-03-28 12:06:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.47/8.63 [2019-03-28 12:06:50,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.47/8.63 [2019-03-28 12:06:50,168 INFO L82 PathProgramCache]: Analyzing trace with hash 55321173, now seen corresponding path program 1 times 15.47/8.63 [2019-03-28 12:06:50,168 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.47/8.63 [2019-03-28 12:06:50,168 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.47/8.63 [2019-03-28 12:06:50,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.47/8.63 [2019-03-28 12:06:50,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.47/8.63 [2019-03-28 12:06:50,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.47/8.63 [2019-03-28 12:06:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.47/8.63 [2019-03-28 12:06:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.47/8.63 [2019-03-28 12:06:50,247 INFO L216 LassoAnalysis]: Preferences: 15.47/8.63 [2019-03-28 12:06:50,248 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.47/8.63 [2019-03-28 12:06:50,249 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.47/8.63 [2019-03-28 12:06:50,249 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.47/8.63 [2019-03-28 12:06:50,249 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.47/8.63 [2019-03-28 12:06:50,249 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.47/8.63 [2019-03-28 12:06:50,249 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.47/8.63 [2019-03-28 12:06:50,249 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.47/8.63 [2019-03-28 12:06:50,250 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.47/8.63 [2019-03-28 12:06:50,250 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.47/8.63 [2019-03-28 12:06:50,250 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.47/8.63 [2019-03-28 12:06:50,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.47/8.63 [2019-03-28 12:06:50,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.47/8.63 [2019-03-28 12:06:50,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.47/8.63 [2019-03-28 12:06:50,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.47/8.63 [2019-03-28 12:06:50,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.47/8.63 [2019-03-28 12:06:50,338 INFO L300 LassoAnalysis]: Preprocessing complete. 15.47/8.63 [2019-03-28 12:06:50,339 INFO L412 LassoAnalysis]: Checking for nontermination... 15.47/8.63 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.47/8.63 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.47/8.63 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.47/8.63 [2019-03-28 12:06:50,347 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.47/8.63 [2019-03-28 12:06:50,347 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.47/8.63 [2019-03-28 12:06:50,357 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.47/8.63 [2019-03-28 12:06:50,357 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {g_~x=0} Honda state: {g_~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.47/8.63 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.47/8.63 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.47/8.63 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.47/8.63 [2019-03-28 12:06:50,386 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.47/8.63 [2019-03-28 12:06:50,386 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.47/8.63 [2019-03-28 12:06:50,390 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.47/8.63 [2019-03-28 12:06:50,390 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {g_#t~ret1=0} Honda state: {g_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.47/8.63 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.47/8.63 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.47/8.63 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.47/8.63 [2019-03-28 12:06:50,418 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.47/8.63 [2019-03-28 12:06:50,419 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.47/8.63 [2019-03-28 12:06:50,422 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.47/8.63 [2019-03-28 12:06:50,422 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {g_#res=0} Honda state: {g_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.47/8.63 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.47/8.63 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.47/8.63 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.47/8.63 [2019-03-28 12:06:50,451 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.47/8.63 [2019-03-28 12:06:50,451 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.47/8.63 [2019-03-28 12:06:50,455 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.47/8.63 [2019-03-28 12:06:50,455 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {g_#t~ret0=0} Honda state: {g_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.47/8.63 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.47/8.63 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.47/8.63 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.47/8.63 [2019-03-28 12:06:50,483 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.47/8.63 [2019-03-28 12:06:50,483 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.47/8.63 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.47/8.63 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.47/8.63 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.47/8.63 [2019-03-28 12:06:50,515 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.47/8.63 [2019-03-28 12:06:50,515 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.47/8.63 [2019-03-28 12:06:50,546 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.47/8.63 [2019-03-28 12:06:50,548 INFO L216 LassoAnalysis]: Preferences: 15.47/8.63 [2019-03-28 12:06:50,548 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.47/8.63 [2019-03-28 12:06:50,548 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.47/8.63 [2019-03-28 12:06:50,548 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.47/8.63 [2019-03-28 12:06:50,549 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.47/8.63 [2019-03-28 12:06:50,549 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.47/8.63 [2019-03-28 12:06:50,549 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.47/8.63 [2019-03-28 12:06:50,549 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.47/8.63 [2019-03-28 12:06:50,549 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.47/8.63 [2019-03-28 12:06:50,549 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.47/8.63 [2019-03-28 12:06:50,549 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.47/8.63 [2019-03-28 12:06:50,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.47/8.63 [2019-03-28 12:06:50,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.47/8.63 [2019-03-28 12:06:50,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.47/8.63 [2019-03-28 12:06:50,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.47/8.63 [2019-03-28 12:06:50,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.47/8.63 [2019-03-28 12:06:50,617 INFO L300 LassoAnalysis]: Preprocessing complete. 15.47/8.63 [2019-03-28 12:06:50,623 INFO L497 LassoAnalysis]: Using template 'affine'. 15.47/8.63 [2019-03-28 12:06:50,625 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.47/8.63 Termination analysis: LINEAR_WITH_GUESSES 15.47/8.63 Number of strict supporting invariants: 0 15.47/8.63 Number of non-strict supporting invariants: 1 15.47/8.63 Consider only non-deceasing supporting invariants: true 15.47/8.63 Simplify termination arguments: true 15.47/8.63 Simplify supporting invariants: trueOverapproximate stem: false 15.47/8.63 [2019-03-28 12:06:50,626 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.47/8.63 [2019-03-28 12:06:50,627 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.47/8.63 [2019-03-28 12:06:50,627 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.47/8.63 [2019-03-28 12:06:50,628 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.47/8.63 [2019-03-28 12:06:50,628 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.47/8.63 [2019-03-28 12:06:50,630 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.47/8.63 [2019-03-28 12:06:50,630 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.47/8.63 [2019-03-28 12:06:50,635 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.47/8.63 [2019-03-28 12:06:50,635 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.47/8.63 Termination analysis: LINEAR_WITH_GUESSES 15.47/8.63 Number of strict supporting invariants: 0 15.47/8.63 Number of non-strict supporting invariants: 1 15.47/8.63 Consider only non-deceasing supporting invariants: true 15.47/8.63 Simplify termination arguments: true 15.47/8.63 Simplify supporting invariants: trueOverapproximate stem: false 15.47/8.63 [2019-03-28 12:06:50,636 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.47/8.63 [2019-03-28 12:06:50,636 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.47/8.63 [2019-03-28 12:06:50,636 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.47/8.63 [2019-03-28 12:06:50,636 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.47/8.63 [2019-03-28 12:06:50,636 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.47/8.63 [2019-03-28 12:06:50,637 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.47/8.63 [2019-03-28 12:06:50,637 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.47/8.63 [2019-03-28 12:06:50,639 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.47/8.63 [2019-03-28 12:06:50,639 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.47/8.63 Termination analysis: LINEAR_WITH_GUESSES 15.47/8.63 Number of strict supporting invariants: 0 15.47/8.63 Number of non-strict supporting invariants: 1 15.47/8.63 Consider only non-deceasing supporting invariants: true 15.47/8.63 Simplify termination arguments: true 15.47/8.63 Simplify supporting invariants: trueOverapproximate stem: false 15.47/8.63 [2019-03-28 12:06:50,640 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.47/8.63 [2019-03-28 12:06:50,640 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.47/8.63 [2019-03-28 12:06:50,640 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.47/8.63 [2019-03-28 12:06:50,640 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.47/8.63 [2019-03-28 12:06:50,641 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.47/8.63 [2019-03-28 12:06:50,641 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.47/8.63 [2019-03-28 12:06:50,641 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.47/8.63 [2019-03-28 12:06:50,643 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.47/8.63 [2019-03-28 12:06:50,643 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.47/8.63 Termination analysis: LINEAR_WITH_GUESSES 15.47/8.63 Number of strict supporting invariants: 0 15.47/8.63 Number of non-strict supporting invariants: 1 15.47/8.63 Consider only non-deceasing supporting invariants: true 15.47/8.63 Simplify termination arguments: true 15.47/8.63 Simplify supporting invariants: trueOverapproximate stem: false 15.47/8.63 [2019-03-28 12:06:50,644 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.47/8.63 [2019-03-28 12:06:50,644 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.47/8.63 [2019-03-28 12:06:50,644 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.47/8.63 [2019-03-28 12:06:50,644 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.47/8.63 [2019-03-28 12:06:50,645 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.47/8.63 [2019-03-28 12:06:50,645 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.47/8.63 [2019-03-28 12:06:50,645 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.47/8.63 [2019-03-28 12:06:50,647 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.47/8.63 [2019-03-28 12:06:50,647 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.47/8.63 Termination analysis: LINEAR_WITH_GUESSES 15.47/8.63 Number of strict supporting invariants: 0 15.47/8.63 Number of non-strict supporting invariants: 1 15.47/8.63 Consider only non-deceasing supporting invariants: true 15.47/8.63 Simplify termination arguments: true 15.47/8.63 Simplify supporting invariants: trueOverapproximate stem: false 15.47/8.63 [2019-03-28 12:06:50,648 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.47/8.63 [2019-03-28 12:06:50,648 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.47/8.63 [2019-03-28 12:06:50,648 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.47/8.63 [2019-03-28 12:06:50,649 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.47/8.63 [2019-03-28 12:06:50,649 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.47/8.63 [2019-03-28 12:06:50,650 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.47/8.63 [2019-03-28 12:06:50,650 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.47/8.63 [2019-03-28 12:06:50,656 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.47/8.63 [2019-03-28 12:06:50,660 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.47/8.63 [2019-03-28 12:06:50,661 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 15.47/8.63 [2019-03-28 12:06:50,663 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.47/8.63 [2019-03-28 12:06:50,663 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.47/8.63 [2019-03-28 12:06:50,663 INFO L518 LassoAnalysis]: Proved termination. 15.47/8.63 [2019-03-28 12:06:50,664 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.47/8.63 Ranking function f(g_#in~x) = 1*g_#in~x 15.47/8.63 Supporting invariants [] 15.47/8.63 [2019-03-28 12:06:50,665 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.47/8.63 [2019-03-28 12:06:50,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.47/8.63 [2019-03-28 12:06:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.47/8.63 [2019-03-28 12:06:50,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core 15.47/8.63 [2019-03-28 12:06:50,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.47/8.63 [2019-03-28 12:06:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.47/8.63 [2019-03-28 12:06:50,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 7 conjunts are in the unsatisfiable core 15.47/8.63 [2019-03-28 12:06:50,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.47/8.63 [2019-03-28 12:06:50,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.47/8.63 [2019-03-28 12:06:50,795 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 15.47/8.63 [2019-03-28 12:06:50,800 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates 15.47/8.63 [2019-03-28 12:06:50,801 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 9 states. Second operand 4 states. 15.47/8.63 [2019-03-28 12:06:50,907 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 9 states.. Second operand 4 states. Result 49 states and 75 transitions. Complement of second has 24 states. 15.47/8.63 [2019-03-28 12:06:50,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states 15.47/8.63 [2019-03-28 12:06:50,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 15.47/8.63 [2019-03-28 12:06:50,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 22 transitions. 15.47/8.63 [2019-03-28 12:06:50,914 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 2 letters. Loop has 3 letters. 15.47/8.63 [2019-03-28 12:06:50,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.47/8.63 [2019-03-28 12:06:50,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 5 letters. Loop has 3 letters. 15.47/8.63 [2019-03-28 12:06:50,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.47/8.63 [2019-03-28 12:06:50,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 2 letters. Loop has 6 letters. 15.47/8.63 [2019-03-28 12:06:50,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.47/8.63 [2019-03-28 12:06:50,924 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 75 transitions. 15.47/8.63 [2019-03-28 12:06:50,930 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 15.47/8.63 [2019-03-28 12:06:50,938 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 35 states and 60 transitions. 15.47/8.63 [2019-03-28 12:06:50,940 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 15.47/8.63 [2019-03-28 12:06:50,940 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 15.47/8.63 [2019-03-28 12:06:50,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 60 transitions. 15.47/8.63 [2019-03-28 12:06:50,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.47/8.63 [2019-03-28 12:06:50,941 INFO L706 BuchiCegarLoop]: Abstraction has 35 states and 60 transitions. 15.47/8.63 [2019-03-28 12:06:50,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 60 transitions. 15.47/8.63 [2019-03-28 12:06:50,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 27. 15.47/8.63 [2019-03-28 12:06:50,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. 15.47/8.63 [2019-03-28 12:06:50,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 41 transitions. 15.47/8.63 [2019-03-28 12:06:50,978 INFO L729 BuchiCegarLoop]: Abstraction has 27 states and 41 transitions. 15.47/8.63 [2019-03-28 12:06:50,979 INFO L609 BuchiCegarLoop]: Abstraction has 27 states and 41 transitions. 15.47/8.63 [2019-03-28 12:06:50,979 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.47/8.63 [2019-03-28 12:06:50,979 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 41 transitions. 15.47/8.63 [2019-03-28 12:06:50,980 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 15.47/8.63 [2019-03-28 12:06:50,980 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.47/8.63 [2019-03-28 12:06:50,980 INFO L119 BuchiIsEmpty]: Starting construction of run 15.47/8.63 [2019-03-28 12:06:50,981 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] 15.47/8.63 [2019-03-28 12:06:50,981 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.47/8.63 [2019-03-28 12:06:50,981 INFO L794 eck$LassoCheckResult]: Stem: 130#ULTIMATE.startENTRY [28] ULTIMATE.startENTRY-->L20: Formula: (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|) InVars {} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~ret3] 124#L20 [27] L20-->gENTRY: Formula: (= |v_g_#in~xInParam_3| v_ULTIMATE.start_main_~x~0_5) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{g_#in~x=|v_g_#in~xInParam_3|} AuxVars[] AssignedVars[g_#in~x]< 139#gENTRY [29] gENTRY-->L12: Formula: (= v_g_~x_1 |v_g_#in~x_1|) InVars {g_#in~x=|v_g_#in~x_1|} OutVars{g_#in~x=|v_g_#in~x_1|, g_~x=v_g_~x_1} AuxVars[] AssignedVars[g_~x] 123#L12 [39] L12-->L15: Formula: (> 0 v_g_~x_3) InVars {g_~x=v_g_~x_3} OutVars{g_~x=v_g_~x_3} AuxVars[] AssignedVars[] 125#L15 15.47/8.63 [2019-03-28 12:06:50,982 INFO L796 eck$LassoCheckResult]: Loop: 125#L15 [30] L15-->gENTRY: Formula: (= |v_g_#in~xInParam_1| (+ v_g_~x_5 (- 1))) InVars {g_~x=v_g_~x_5} OutVars{g_#in~x=|v_g_#in~xInParam_1|} AuxVars[] AssignedVars[g_#in~x]< 131#gENTRY [29] gENTRY-->L12: Formula: (= v_g_~x_1 |v_g_#in~x_1|) InVars {g_#in~x=|v_g_#in~x_1|} OutVars{g_#in~x=|v_g_#in~x_1|, g_~x=v_g_~x_1} AuxVars[] AssignedVars[g_~x] 132#L12 [39] L12-->L15: Formula: (> 0 v_g_~x_3) InVars {g_~x=v_g_~x_3} OutVars{g_~x=v_g_~x_3} AuxVars[] AssignedVars[] 125#L15 15.47/8.63 [2019-03-28 12:06:50,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.47/8.63 [2019-03-28 12:06:50,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1784554, now seen corresponding path program 1 times 15.47/8.63 [2019-03-28 12:06:50,982 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.47/8.63 [2019-03-28 12:06:50,982 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.47/8.63 [2019-03-28 12:06:50,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.47/8.63 [2019-03-28 12:06:50,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.47/8.63 [2019-03-28 12:06:50,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.47/8.63 [2019-03-28 12:06:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.47/8.63 [2019-03-28 12:06:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.47/8.63 [2019-03-28 12:06:50,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.47/8.63 [2019-03-28 12:06:50,989 INFO L82 PathProgramCache]: Analyzing trace with hash 59559, now seen corresponding path program 1 times 15.47/8.63 [2019-03-28 12:06:50,989 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.47/8.63 [2019-03-28 12:06:50,990 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.47/8.63 [2019-03-28 12:06:50,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.47/8.63 [2019-03-28 12:06:50,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.47/8.63 [2019-03-28 12:06:50,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.47/8.63 [2019-03-28 12:06:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.47/8.63 [2019-03-28 12:06:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.47/8.63 [2019-03-28 12:06:50,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.47/8.63 [2019-03-28 12:06:50,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1624070430, now seen corresponding path program 1 times 15.47/8.63 [2019-03-28 12:06:50,996 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.47/8.63 [2019-03-28 12:06:50,996 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.47/8.63 [2019-03-28 12:06:50,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.47/8.63 [2019-03-28 12:06:50,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.47/8.63 [2019-03-28 12:06:50,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.47/8.63 [2019-03-28 12:06:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.47/8.63 [2019-03-28 12:06:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.47/8.63 [2019-03-28 12:06:51,038 INFO L216 LassoAnalysis]: Preferences: 15.47/8.63 [2019-03-28 12:06:51,038 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.47/8.63 [2019-03-28 12:06:51,038 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.47/8.63 [2019-03-28 12:06:51,038 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.47/8.63 [2019-03-28 12:06:51,038 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.47/8.63 [2019-03-28 12:06:51,039 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.47/8.63 [2019-03-28 12:06:51,039 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.47/8.63 [2019-03-28 12:06:51,039 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.47/8.63 [2019-03-28 12:06:51,039 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.47/8.63 [2019-03-28 12:06:51,039 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.47/8.63 [2019-03-28 12:06:51,039 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.47/8.63 [2019-03-28 12:06:51,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.47/8.63 [2019-03-28 12:06:51,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.47/8.63 [2019-03-28 12:06:51,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.47/8.63 [2019-03-28 12:06:51,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.47/8.63 [2019-03-28 12:06:51,109 INFO L300 LassoAnalysis]: Preprocessing complete. 15.47/8.63 [2019-03-28 12:06:51,109 INFO L412 LassoAnalysis]: Checking for nontermination... 15.47/8.63 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.47/8.63 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.47/8.63 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.47/8.63 [2019-03-28 12:06:51,117 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.47/8.63 [2019-03-28 12:06:51,117 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.47/8.63 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.47/8.63 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.47/8.63 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.47/8.63 [2019-03-28 12:06:51,157 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.47/8.63 [2019-03-28 12:06:51,157 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.47/8.63 [2019-03-28 12:06:51,387 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.47/8.63 [2019-03-28 12:06:51,387 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {g_#in~x=-2, g_~x=-6} Honda state: {g_#in~x=-2, g_~x=-6} Generalized eigenvectors: [{g_#in~x=1, g_~x=0}, {g_#in~x=-5, g_~x=0}, {g_#in~x=-1, g_~x=-1}] Lambdas: [5, 0, 1] Nus: [1, 0] 15.47/8.63 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.47/8.63 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.47/8.63 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.47/8.63 [2019-03-28 12:06:51,417 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.47/8.63 [2019-03-28 12:06:51,417 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.47/8.63 [2019-03-28 12:06:51,421 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.47/8.63 [2019-03-28 12:06:51,421 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {g_#t~ret0=0} Honda state: {g_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.47/8.63 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.47/8.63 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.47/8.63 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.47/8.63 [2019-03-28 12:06:51,451 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.47/8.63 [2019-03-28 12:06:51,451 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.47/8.63 [2019-03-28 12:06:51,455 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.47/8.63 [2019-03-28 12:06:51,455 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {g_#t~ret1=0} Honda state: {g_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.47/8.63 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.47/8.63 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.47/8.63 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.47/8.63 [2019-03-28 12:06:51,485 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.47/8.63 [2019-03-28 12:06:51,485 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.47/8.63 [2019-03-28 12:06:51,489 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.47/8.63 [2019-03-28 12:06:51,489 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {g_#res=0} Honda state: {g_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.47/8.63 [2019-03-28 12:06:51,550 INFO L216 LassoAnalysis]: Preferences: 15.47/8.63 [2019-03-28 12:06:51,550 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.47/8.63 [2019-03-28 12:06:51,550 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.47/8.63 [2019-03-28 12:06:51,551 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.47/8.63 [2019-03-28 12:06:51,551 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.47/8.63 [2019-03-28 12:06:51,551 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.47/8.63 [2019-03-28 12:06:51,551 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.47/8.63 [2019-03-28 12:06:51,551 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.47/8.63 [2019-03-28 12:06:51,551 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso 15.47/8.63 [2019-03-28 12:06:51,552 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.47/8.63 [2019-03-28 12:06:51,552 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.47/8.63 [2019-03-28 12:06:51,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.47/8.63 [2019-03-28 12:06:51,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.47/8.63 [2019-03-28 12:06:51,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.47/8.63 [2019-03-28 12:06:51,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.47/8.63 [2019-03-28 12:06:51,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.47/8.63 [2019-03-28 12:06:51,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.47/8.63 [2019-03-28 12:06:51,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.47/8.63 [2019-03-28 12:06:51,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.47/8.63 [2019-03-28 12:06:51,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.47/8.63 [2019-03-28 12:06:51,648 INFO L300 LassoAnalysis]: Preprocessing complete. 15.47/8.63 [2019-03-28 12:06:51,649 INFO L412 LassoAnalysis]: Checking for nontermination... 15.47/8.63 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.47/8.63 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.47/8.63 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.47/8.63 [2019-03-28 12:06:51,653 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.47/8.63 [2019-03-28 12:06:51,653 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.47/8.63 [2019-03-28 12:06:51,657 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.47/8.63 [2019-03-28 12:06:51,657 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret3=0} Honda state: {ULTIMATE.start_main_#t~ret3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.47/8.63 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.47/8.63 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.47/8.63 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.47/8.63 [2019-03-28 12:06:51,686 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.47/8.63 [2019-03-28 12:06:51,686 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.47/8.63 [2019-03-28 12:06:51,689 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.47/8.63 [2019-03-28 12:06:51,690 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.47/8.63 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.47/8.63 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.47/8.63 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.47/8.63 [2019-03-28 12:06:51,718 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.47/8.63 [2019-03-28 12:06:51,718 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.47/8.63 [2019-03-28 12:06:51,721 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.47/8.63 [2019-03-28 12:06:51,721 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_#t~ret4=0} Honda state: {ULTIMATE.start_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.47/8.63 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.47/8.63 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.47/8.63 Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.47/8.63 [2019-03-28 12:06:51,749 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.47/8.63 [2019-03-28 12:06:51,749 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.47/8.63 [2019-03-28 12:06:51,753 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.47/8.63 [2019-03-28 12:06:51,753 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {g_#res=0} Honda state: {g_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.47/8.63 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.47/8.63 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.47/8.63 Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.47/8.63 [2019-03-28 12:06:51,780 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.47/8.63 [2019-03-28 12:06:51,780 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.47/8.63 [2019-03-28 12:06:51,784 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.47/8.63 [2019-03-28 12:06:51,784 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {g_#t~ret0=0} Honda state: {g_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.47/8.63 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.47/8.63 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.47/8.63 Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.47/8.63 [2019-03-28 12:06:51,813 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.47/8.63 [2019-03-28 12:06:51,813 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.47/8.63 [2019-03-28 12:06:51,817 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.47/8.63 [2019-03-28 12:06:51,817 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~x~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.47/8.63 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.47/8.63 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.47/8.63 Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.47/8.63 [2019-03-28 12:06:51,845 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.47/8.63 [2019-03-28 12:06:51,845 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.47/8.63 [2019-03-28 12:06:51,849 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.47/8.63 [2019-03-28 12:06:51,849 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {g_#t~ret1=0} Honda state: {g_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.47/8.63 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.47/8.63 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.47/8.63 Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.47/8.63 [2019-03-28 12:06:51,877 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.47/8.63 [2019-03-28 12:06:51,877 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.47/8.63 [2019-03-28 12:06:51,880 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.47/8.63 [2019-03-28 12:06:51,881 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.47/8.63 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.47/8.63 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.47/8.63 Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.47/8.63 [2019-03-28 12:06:51,909 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.47/8.63 [2019-03-28 12:06:51,909 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.47/8.63 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.47/8.63 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.47/8.63 Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.47/8.63 [2019-03-28 12:06:51,943 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.47/8.63 [2019-03-28 12:06:51,943 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.47/8.63 [2019-03-28 12:06:52,207 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.47/8.63 [2019-03-28 12:06:52,207 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {g_~x=0, g_#in~x=0} Honda state: {g_~x=-5, g_#in~x=-5} Generalized eigenvectors: [{g_~x=0, g_#in~x=4}, {g_~x=0, g_#in~x=-4}, {g_~x=-1, g_#in~x=-1}] Lambdas: [0, 0, 1] Nus: [0, 0] 15.47/8.63 [2019-03-28 12:06:52,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:06:52 BasicIcfg 15.47/8.63 [2019-03-28 12:06:52,253 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.47/8.63 [2019-03-28 12:06:52,254 INFO L168 Benchmark]: Toolchain (without parser) took 3023.36 ms. Allocated memory was 514.9 MB in the beginning and 600.8 MB in the end (delta: 86.0 MB). Free memory was 438.7 MB in the beginning and 502.3 MB in the end (delta: -63.5 MB). Peak memory consumption was 96.9 MB. Max. memory is 50.3 GB. 15.47/8.63 [2019-03-28 12:06:52,255 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 514.9 MB. Free memory is still 458.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.47/8.63 [2019-03-28 12:06:52,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 223.84 ms. Allocated memory is still 514.9 MB. Free memory was 438.1 MB in the beginning and 428.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 50.3 GB. 15.47/8.63 [2019-03-28 12:06:52,256 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.75 ms. Allocated memory was 514.9 MB in the beginning and 567.3 MB in the end (delta: 52.4 MB). Free memory was 428.9 MB in the beginning and 537.6 MB in the end (delta: -108.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 50.3 GB. 15.47/8.63 [2019-03-28 12:06:52,257 INFO L168 Benchmark]: Boogie Preprocessor took 16.69 ms. Allocated memory is still 567.3 MB. Free memory was 537.6 MB in the beginning and 536.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 50.3 GB. 15.47/8.63 [2019-03-28 12:06:52,258 INFO L168 Benchmark]: RCFGBuilder took 185.46 ms. Allocated memory is still 567.3 MB. Free memory was 536.2 MB in the beginning and 525.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 50.3 GB. 15.47/8.63 [2019-03-28 12:06:52,258 INFO L168 Benchmark]: BlockEncodingV2 took 73.18 ms. Allocated memory is still 567.3 MB. Free memory was 525.1 MB in the beginning and 520.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 50.3 GB. 15.47/8.63 [2019-03-28 12:06:52,259 INFO L168 Benchmark]: TraceAbstraction took 166.89 ms. Allocated memory is still 567.3 MB. Free memory was 519.7 MB in the beginning and 509.4 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 50.3 GB. 15.47/8.63 [2019-03-28 12:06:52,259 INFO L168 Benchmark]: BuchiAutomizer took 2259.30 ms. Allocated memory was 567.3 MB in the beginning and 600.8 MB in the end (delta: 33.6 MB). Free memory was 509.4 MB in the beginning and 502.3 MB in the end (delta: 7.1 MB). Peak memory consumption was 115.1 MB. Max. memory is 50.3 GB. 15.47/8.63 [2019-03-28 12:06:52,263 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.47/8.63 --- Results --- 15.47/8.63 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.47/8.63 - StatisticsResult: Initial Icfg 15.47/8.63 13 locations, 15 edges 15.47/8.63 - StatisticsResult: Encoded RCFG 15.47/8.63 9 locations, 12 edges 15.47/8.63 * Results from de.uni_freiburg.informatik.ultimate.core: 15.47/8.63 - StatisticsResult: Toolchain Benchmarks 15.47/8.63 Benchmark results are: 15.47/8.63 * CDTParser took 0.18 ms. Allocated memory is still 514.9 MB. Free memory is still 458.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.47/8.63 * CACSL2BoogieTranslator took 223.84 ms. Allocated memory is still 514.9 MB. Free memory was 438.1 MB in the beginning and 428.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 50.3 GB. 15.47/8.63 * Boogie Procedure Inliner took 92.75 ms. Allocated memory was 514.9 MB in the beginning and 567.3 MB in the end (delta: 52.4 MB). Free memory was 428.9 MB in the beginning and 537.6 MB in the end (delta: -108.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 50.3 GB. 15.47/8.63 * Boogie Preprocessor took 16.69 ms. Allocated memory is still 567.3 MB. Free memory was 537.6 MB in the beginning and 536.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 50.3 GB. 15.47/8.63 * RCFGBuilder took 185.46 ms. Allocated memory is still 567.3 MB. Free memory was 536.2 MB in the beginning and 525.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 50.3 GB. 15.47/8.63 * BlockEncodingV2 took 73.18 ms. Allocated memory is still 567.3 MB. Free memory was 525.1 MB in the beginning and 520.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 50.3 GB. 15.47/8.63 * TraceAbstraction took 166.89 ms. Allocated memory is still 567.3 MB. Free memory was 519.7 MB in the beginning and 509.4 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 50.3 GB. 15.47/8.63 * BuchiAutomizer took 2259.30 ms. Allocated memory was 567.3 MB in the beginning and 600.8 MB in the end (delta: 33.6 MB). Free memory was 509.4 MB in the beginning and 502.3 MB in the end (delta: 7.1 MB). Peak memory consumption was 115.1 MB. Max. memory is 50.3 GB. 15.47/8.63 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.47/8.63 - AllSpecificationsHoldResult: All specifications hold 15.47/8.63 We were not able to verify any specifiation because the program does not contain any specification. 15.47/8.63 - StatisticsResult: Ultimate Automizer benchmark data 15.47/8.63 CFG has 2 procedures, 9 locations, 0 error locations. SAFE Result, 0.1s 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=9occurred 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, 4 LocationsWithAnnotation, 10 PreInvPairs, 10 NumberOfFragments, 4 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 15.47/8.63 - StatisticsResult: Constructed decomposition of program 15.47/8.63 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function \old(x) and consists of 6 locations. The remainder module has 27 locations. 15.47/8.63 - StatisticsResult: Timing statistics 15.47/8.63 BüchiAutomizer plugin needed 2.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 27 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 21 SDslu, 5 SDs, 0 SdLazy, 27 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq167 hnf92 smp100 dnf100 smp100 tf109 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 15 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s 15.47/8.63 - TerminationAnalysisResult: Nontermination possible 15.47/8.63 Buchi Automizer proved that your program is nonterminating for some inputs 15.47/8.63 - GeometricNonTerminationArgumentResult [Line: 15]: Nontermination argument in form of an infinite program execution. 15.47/8.63 Nontermination argument in form of an infinite execution 15.47/8.63 {|ULTIMATE.start_#t~ret4|=0, |g_#in~x|=0, |ULTIMATE.start_main_#res|=0, |ULTIMATE.start_main_#t~nondet2|=0, g_~x=0, |g_#t~ret1|=0, ULTIMATE.start_main_~x~0=0, |ULTIMATE.start_main_#t~ret3|=0, |g_#res|=0, |g_#t~ret0|=0} 15.47/8.63 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79ac742e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11bc6f7=0, \result=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@715b33a4=0, \old(x)=-5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6971ab97=0, x=0, x=-5, NULL=0} 15.47/8.63 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79ac742e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11bc6f7=0, \result=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@715b33a4=0, \old(x)=-6, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6971ab97=0, x=0, x=-6, NULL=0} 15.47/8.63 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79ac742e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11bc6f7=0, \result=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@715b33a4=0, \old(x)=-7, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6971ab97=0, x=0, x=-7, NULL=0} 15.47/8.63 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79ac742e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11bc6f7=0, \result=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@715b33a4=0, \old(x)=-8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6971ab97=0, x=0, x=-8, NULL=0} 15.47/8.63 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79ac742e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11bc6f7=0, \result=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@715b33a4=0, \old(x)=-9, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6971ab97=0, x=0, x=-9, NULL=0} 15.47/8.63 - StatisticsResult: NonterminationArgumentStatistics 15.47/8.63 Unbounded Execution 3GEVs Lambdas: [0, 0, 1] Mus: [0, 0] 15.47/8.63 - NonterminatingLassoResult [Line: 15]: Nonterminating execution 15.47/8.63 Found a nonterminating execution for the following lasso shaped sequence of statements. 15.47/8.63 Stem: 15.47/8.63 [L19] int x = __VERIFIER_nondet_int(); 15.47/8.63 [L20] CALL g(x) 15.47/8.63 [L12] COND FALSE !(x == 0) 15.47/8.63 Loop: 15.47/8.63 [L15] CALL g(x - 1) 15.47/8.63 [L12] COND FALSE !(x == 0) 15.47/8.63 End of lasso representation. 15.47/8.63 RESULT: Ultimate proved your program to be incorrect! 15.47/8.63 !SESSION 2019-03-28 12:06:45.500 ----------------------------------------------- 15.47/8.63 eclipse.buildId=unknown 15.47/8.63 java.version=1.8.0_181 15.47/8.63 java.vendor=Oracle Corporation 15.47/8.63 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.47/8.63 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 15.47/8.63 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 15.47/8.63 15.47/8.63 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:06:52.500 15.47/8.63 !MESSAGE The workspace will exit with unsaved changes in this session. 15.47/8.63 Received shutdown request... 15.47/8.63 Ultimate: 15.47/8.63 GTK+ Version Check 15.47/8.63 EOF