15.72/7.07 YES 15.72/7.07 15.72/7.07 Ultimate: Cannot open display: 15.72/7.07 This is Ultimate 0.1.24-8dc7c08-m 15.72/7.07 [2019-03-28 22:59:15,807 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.72/7.07 [2019-03-28 22:59:15,809 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.72/7.07 [2019-03-28 22:59:15,820 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.72/7.07 [2019-03-28 22:59:15,821 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.72/7.07 [2019-03-28 22:59:15,822 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.72/7.07 [2019-03-28 22:59:15,823 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.72/7.07 [2019-03-28 22:59:15,825 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.72/7.07 [2019-03-28 22:59:15,826 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.72/7.07 [2019-03-28 22:59:15,827 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.72/7.07 [2019-03-28 22:59:15,828 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.72/7.07 [2019-03-28 22:59:15,828 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.72/7.07 [2019-03-28 22:59:15,829 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.72/7.07 [2019-03-28 22:59:15,830 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.72/7.07 [2019-03-28 22:59:15,831 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.72/7.07 [2019-03-28 22:59:15,832 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.72/7.07 [2019-03-28 22:59:15,832 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.72/7.07 [2019-03-28 22:59:15,834 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.72/7.07 [2019-03-28 22:59:15,836 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.72/7.07 [2019-03-28 22:59:15,837 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.72/7.07 [2019-03-28 22:59:15,838 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.72/7.07 [2019-03-28 22:59:15,840 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.72/7.07 [2019-03-28 22:59:15,842 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.72/7.07 [2019-03-28 22:59:15,842 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.72/7.07 [2019-03-28 22:59:15,842 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.72/7.07 [2019-03-28 22:59:15,843 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.72/7.07 [2019-03-28 22:59:15,844 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.72/7.07 [2019-03-28 22:59:15,845 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.72/7.07 [2019-03-28 22:59:15,845 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.72/7.07 [2019-03-28 22:59:15,845 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.72/7.07 [2019-03-28 22:59:15,846 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.72/7.07 [2019-03-28 22:59:15,847 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.72/7.07 [2019-03-28 22:59:15,848 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.72/7.07 [2019-03-28 22:59:15,848 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.72/7.07 [2019-03-28 22:59:15,849 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.72/7.07 [2019-03-28 22:59:15,849 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.72/7.07 [2019-03-28 22:59:15,849 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.72/7.07 [2019-03-28 22:59:15,850 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.72/7.07 [2019-03-28 22:59:15,851 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.72/7.07 [2019-03-28 22:59:15,851 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 15.72/7.07 [2019-03-28 22:59:15,865 INFO L110 SettingsManager]: Loading preferences was successful 15.72/7.07 [2019-03-28 22:59:15,865 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.72/7.07 [2019-03-28 22:59:15,866 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.72/7.07 [2019-03-28 22:59:15,867 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.72/7.07 [2019-03-28 22:59:15,867 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.72/7.07 [2019-03-28 22:59:15,867 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.72/7.07 [2019-03-28 22:59:15,867 INFO L133 SettingsManager]: * Use SBE=true 15.72/7.07 [2019-03-28 22:59:15,867 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.72/7.07 [2019-03-28 22:59:15,868 INFO L133 SettingsManager]: * Use old map elimination=false 15.72/7.07 [2019-03-28 22:59:15,868 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.72/7.07 [2019-03-28 22:59:15,868 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.72/7.07 [2019-03-28 22:59:15,868 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.72/7.07 [2019-03-28 22:59:15,868 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.72/7.07 [2019-03-28 22:59:15,868 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.72/7.07 [2019-03-28 22:59:15,869 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.72/7.07 [2019-03-28 22:59:15,869 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.72/7.07 [2019-03-28 22:59:15,869 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.72/7.07 [2019-03-28 22:59:15,869 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.72/7.07 [2019-03-28 22:59:15,869 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.72/7.07 [2019-03-28 22:59:15,870 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.72/7.07 [2019-03-28 22:59:15,870 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.72/7.07 [2019-03-28 22:59:15,870 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.72/7.07 [2019-03-28 22:59:15,870 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.72/7.07 [2019-03-28 22:59:15,870 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.72/7.07 [2019-03-28 22:59:15,871 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.72/7.07 [2019-03-28 22:59:15,871 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.72/7.07 [2019-03-28 22:59:15,871 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.72/7.07 [2019-03-28 22:59:15,871 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.72/7.07 [2019-03-28 22:59:15,871 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.72/7.07 [2019-03-28 22:59:15,896 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.72/7.07 [2019-03-28 22:59:15,909 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.72/7.07 [2019-03-28 22:59:15,913 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.72/7.07 [2019-03-28 22:59:15,914 INFO L271 PluginConnector]: Initializing CDTParser... 15.72/7.07 [2019-03-28 22:59:15,915 INFO L276 PluginConnector]: CDTParser initialized 15.72/7.07 [2019-03-28 22:59:15,915 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 15.72/7.07 [2019-03-28 22:59:15,982 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/da7b6534a9874f409ad935792f4bd2aa/FLAGa2241463a 15.72/7.07 [2019-03-28 22:59:16,336 INFO L307 CDTParser]: Found 1 translation units. 15.72/7.07 [2019-03-28 22:59:16,337 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 15.72/7.07 [2019-03-28 22:59:16,344 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/da7b6534a9874f409ad935792f4bd2aa/FLAGa2241463a 15.72/7.07 [2019-03-28 22:59:16,783 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/da7b6534a9874f409ad935792f4bd2aa 15.72/7.07 [2019-03-28 22:59:16,795 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.72/7.07 [2019-03-28 22:59:16,796 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.72/7.07 [2019-03-28 22:59:16,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.72/7.07 [2019-03-28 22:59:16,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.72/7.07 [2019-03-28 22:59:16,802 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.72/7.07 [2019-03-28 22:59:16,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:59:16" (1/1) ... 15.72/7.07 [2019-03-28 22:59:16,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@284c06d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:16, skipping insertion in model container 15.72/7.07 [2019-03-28 22:59:16,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:59:16" (1/1) ... 15.72/7.07 [2019-03-28 22:59:16,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.72/7.07 [2019-03-28 22:59:16,831 INFO L176 MainTranslator]: Built tables and reachable declarations 15.72/7.07 [2019-03-28 22:59:16,989 INFO L206 PostProcessor]: Analyzing one entry point: main 15.72/7.07 [2019-03-28 22:59:16,993 INFO L191 MainTranslator]: Completed pre-run 15.72/7.07 [2019-03-28 22:59:17,010 INFO L206 PostProcessor]: Analyzing one entry point: main 15.72/7.07 [2019-03-28 22:59:17,025 INFO L195 MainTranslator]: Completed translation 15.72/7.07 [2019-03-28 22:59:17,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:17 WrapperNode 15.72/7.07 [2019-03-28 22:59:17,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.72/7.07 [2019-03-28 22:59:17,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.72/7.07 [2019-03-28 22:59:17,027 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.72/7.07 [2019-03-28 22:59:17,027 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.72/7.07 [2019-03-28 22:59:17,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:17" (1/1) ... 15.72/7.07 [2019-03-28 22:59:17,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:17" (1/1) ... 15.72/7.07 [2019-03-28 22:59:17,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.72/7.07 [2019-03-28 22:59:17,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.72/7.07 [2019-03-28 22:59:17,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.72/7.07 [2019-03-28 22:59:17,126 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.72/7.07 [2019-03-28 22:59:17,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:17" (1/1) ... 15.72/7.07 [2019-03-28 22:59:17,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:17" (1/1) ... 15.72/7.07 [2019-03-28 22:59:17,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:17" (1/1) ... 15.72/7.07 [2019-03-28 22:59:17,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:17" (1/1) ... 15.72/7.07 [2019-03-28 22:59:17,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:17" (1/1) ... 15.72/7.07 [2019-03-28 22:59:17,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:17" (1/1) ... 15.72/7.07 [2019-03-28 22:59:17,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:17" (1/1) ... 15.72/7.07 [2019-03-28 22:59:17,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.72/7.07 [2019-03-28 22:59:17,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.72/7.07 [2019-03-28 22:59:17,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.72/7.07 [2019-03-28 22:59:17,146 INFO L276 PluginConnector]: RCFGBuilder initialized 15.72/7.07 [2019-03-28 22:59:17,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:17" (1/1) ... 15.72/7.07 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.72/7.07 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.72/7.07 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.72/7.07 [2019-03-28 22:59:17,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.72/7.07 [2019-03-28 22:59:17,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.72/7.07 [2019-03-28 22:59:17,357 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.72/7.07 [2019-03-28 22:59:17,357 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 15.72/7.07 [2019-03-28 22:59:17,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:59:17 BoogieIcfgContainer 15.72/7.07 [2019-03-28 22:59:17,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.72/7.07 [2019-03-28 22:59:17,359 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.72/7.07 [2019-03-28 22:59:17,359 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.72/7.07 [2019-03-28 22:59:17,362 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.72/7.07 [2019-03-28 22:59:17,363 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:59:17" (1/1) ... 15.72/7.07 [2019-03-28 22:59:17,378 INFO L313 BlockEncoder]: Initial Icfg 9 locations, 12 edges 15.72/7.07 [2019-03-28 22:59:17,380 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.72/7.07 [2019-03-28 22:59:17,381 INFO L263 BlockEncoder]: Using Maximize final states 15.72/7.07 [2019-03-28 22:59:17,381 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.72/7.07 [2019-03-28 22:59:17,382 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.72/7.07 [2019-03-28 22:59:17,384 INFO L296 BlockEncoder]: Using Remove sink states 15.72/7.07 [2019-03-28 22:59:17,385 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.72/7.07 [2019-03-28 22:59:17,385 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.72/7.07 [2019-03-28 22:59:17,400 INFO L185 BlockEncoder]: Using Use SBE 15.72/7.07 [2019-03-28 22:59:17,414 INFO L200 BlockEncoder]: SBE split 1 edges 15.72/7.07 [2019-03-28 22:59:17,419 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 15.72/7.07 [2019-03-28 22:59:17,421 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.72/7.07 [2019-03-28 22:59:17,435 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 15.72/7.07 [2019-03-28 22:59:17,437 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 15.72/7.07 [2019-03-28 22:59:17,439 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.72/7.07 [2019-03-28 22:59:17,439 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.72/7.07 [2019-03-28 22:59:17,439 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.72/7.07 [2019-03-28 22:59:17,440 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.72/7.07 [2019-03-28 22:59:17,440 INFO L313 BlockEncoder]: Encoded RCFG 5 locations, 8 edges 15.72/7.07 [2019-03-28 22:59:17,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:59:17 BasicIcfg 15.72/7.07 [2019-03-28 22:59:17,441 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.72/7.07 [2019-03-28 22:59:17,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.72/7.07 [2019-03-28 22:59:17,442 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.72/7.07 [2019-03-28 22:59:17,445 INFO L276 PluginConnector]: TraceAbstraction initialized 15.72/7.07 [2019-03-28 22:59:17,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:59:16" (1/4) ... 15.72/7.07 [2019-03-28 22:59:17,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac8af53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:59:17, skipping insertion in model container 15.72/7.07 [2019-03-28 22:59:17,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:17" (2/4) ... 15.72/7.07 [2019-03-28 22:59:17,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac8af53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:59:17, skipping insertion in model container 15.72/7.07 [2019-03-28 22:59:17,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:59:17" (3/4) ... 15.72/7.07 [2019-03-28 22:59:17,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac8af53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:59:17, skipping insertion in model container 15.72/7.07 [2019-03-28 22:59:17,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:59:17" (4/4) ... 15.72/7.07 [2019-03-28 22:59:17,449 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.72/7.07 [2019-03-28 22:59:17,459 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.72/7.07 [2019-03-28 22:59:17,468 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.72/7.07 [2019-03-28 22:59:17,486 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.72/7.07 [2019-03-28 22:59:17,514 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.72/7.07 [2019-03-28 22:59:17,515 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.72/7.07 [2019-03-28 22:59:17,515 INFO L383 AbstractCegarLoop]: Hoare is true 15.72/7.07 [2019-03-28 22:59:17,515 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.72/7.07 [2019-03-28 22:59:17,515 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.72/7.07 [2019-03-28 22:59:17,515 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.72/7.07 [2019-03-28 22:59:17,515 INFO L387 AbstractCegarLoop]: Difference is false 15.72/7.07 [2019-03-28 22:59:17,516 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.72/7.07 [2019-03-28 22:59:17,516 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.72/7.07 [2019-03-28 22:59:17,529 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. 15.72/7.07 [2019-03-28 22:59:17,535 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.72/7.07 [2019-03-28 22:59:17,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. 15.72/7.07 [2019-03-28 22:59:17,591 INFO L448 ceAbstractionStarter]: For program point L15(lines 15 19) no Hoare annotation was computed. 15.72/7.07 [2019-03-28 22:59:17,591 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.72/7.07 [2019-03-28 22:59:17,591 INFO L448 ceAbstractionStarter]: For program point L15-2(lines 12 20) no Hoare annotation was computed. 15.72/7.07 [2019-03-28 22:59:17,591 INFO L448 ceAbstractionStarter]: For program point L12(lines 12 20) no Hoare annotation was computed. 15.72/7.08 [2019-03-28 22:59:17,592 INFO L451 ceAbstractionStarter]: At program point L11-2(lines 11 22) the Hoare annotation is: true 15.72/7.08 [2019-03-28 22:59:17,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:59:17 BasicIcfg 15.72/7.08 [2019-03-28 22:59:17,600 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.72/7.08 [2019-03-28 22:59:17,601 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.72/7.08 [2019-03-28 22:59:17,601 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.72/7.08 [2019-03-28 22:59:17,605 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.72/7.08 [2019-03-28 22:59:17,606 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.72/7.08 [2019-03-28 22:59:17,606 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:59:16" (1/5) ... 15.72/7.08 [2019-03-28 22:59:17,606 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1dc23f84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:59:17, skipping insertion in model container 15.72/7.08 [2019-03-28 22:59:17,607 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.72/7.08 [2019-03-28 22:59:17,607 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:17" (2/5) ... 15.72/7.08 [2019-03-28 22:59:17,607 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1dc23f84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:59:17, skipping insertion in model container 15.72/7.08 [2019-03-28 22:59:17,607 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.72/7.08 [2019-03-28 22:59:17,607 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:59:17" (3/5) ... 15.72/7.08 [2019-03-28 22:59:17,608 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1dc23f84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:59:17, skipping insertion in model container 15.72/7.08 [2019-03-28 22:59:17,608 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.72/7.08 [2019-03-28 22:59:17,608 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:59:17" (4/5) ... 15.72/7.08 [2019-03-28 22:59:17,608 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1dc23f84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:59:17, skipping insertion in model container 15.72/7.08 [2019-03-28 22:59:17,609 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.72/7.08 [2019-03-28 22:59:17,609 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:59:17" (5/5) ... 15.72/7.08 [2019-03-28 22:59:17,610 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.72/7.08 [2019-03-28 22:59:17,637 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.72/7.08 [2019-03-28 22:59:17,638 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.72/7.08 [2019-03-28 22:59:17,638 INFO L375 BuchiCegarLoop]: Hoare is true 15.72/7.08 [2019-03-28 22:59:17,638 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.72/7.08 [2019-03-28 22:59:17,638 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.72/7.08 [2019-03-28 22:59:17,638 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.72/7.08 [2019-03-28 22:59:17,638 INFO L379 BuchiCegarLoop]: Difference is false 15.72/7.08 [2019-03-28 22:59:17,639 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.72/7.08 [2019-03-28 22:59:17,639 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.72/7.08 [2019-03-28 22:59:17,642 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 15.72/7.08 [2019-03-28 22:59:17,659 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.72/7.08 [2019-03-28 22:59:17,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.72/7.08 [2019-03-28 22:59:17,660 INFO L119 BuchiIsEmpty]: Starting construction of run 15.72/7.08 [2019-03-28 22:59:17,665 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.72/7.08 [2019-03-28 22:59:17,665 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.72/7.08 [2019-03-28 22:59:17,665 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.72/7.08 [2019-03-28 22:59:17,666 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 15.72/7.08 [2019-03-28 22:59:17,666 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.72/7.08 [2019-03-28 22:59:17,666 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.72/7.08 [2019-03-28 22:59:17,666 INFO L119 BuchiIsEmpty]: Starting construction of run 15.72/7.08 [2019-03-28 22:59:17,667 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.72/7.08 [2019-03-28 22:59:17,667 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.72/7.08 [2019-03-28 22:59:17,672 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [32] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 7#L11-2true 15.72/7.08 [2019-03-28 22:59:17,673 INFO L796 eck$LassoCheckResult]: Loop: 7#L11-2true [45] L11-2-->L12: Formula: (< 0 v_ULTIMATE.start_main_~y~0_10) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10} AuxVars[] AssignedVars[] 5#L12true [33] L12-->L15-2: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_9) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 (- 1)))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 6#L15-2true [36] L15-2-->L11-2: Formula: (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0] 7#L11-2true 15.72/7.08 [2019-03-28 22:59:17,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.72/7.08 [2019-03-28 22:59:17,679 INFO L82 PathProgramCache]: Analyzing trace with hash 63, now seen corresponding path program 1 times 15.72/7.08 [2019-03-28 22:59:17,681 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.72/7.08 [2019-03-28 22:59:17,681 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.72/7.08 [2019-03-28 22:59:17,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.08 [2019-03-28 22:59:17,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.72/7.08 [2019-03-28 22:59:17,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.08 [2019-03-28 22:59:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.72/7.08 [2019-03-28 22:59:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.72/7.08 [2019-03-28 22:59:17,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.72/7.08 [2019-03-28 22:59:17,751 INFO L82 PathProgramCache]: Analyzing trace with hash 74095, now seen corresponding path program 1 times 15.72/7.08 [2019-03-28 22:59:17,751 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.72/7.08 [2019-03-28 22:59:17,751 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.72/7.08 [2019-03-28 22:59:17,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.08 [2019-03-28 22:59:17,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.72/7.08 [2019-03-28 22:59:17,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.08 [2019-03-28 22:59:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.72/7.08 [2019-03-28 22:59:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.72/7.08 [2019-03-28 22:59:17,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.72/7.08 [2019-03-28 22:59:17,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1921137, now seen corresponding path program 1 times 15.72/7.08 [2019-03-28 22:59:17,765 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.72/7.08 [2019-03-28 22:59:17,765 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.72/7.08 [2019-03-28 22:59:17,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.08 [2019-03-28 22:59:17,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.72/7.08 [2019-03-28 22:59:17,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.08 [2019-03-28 22:59:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.72/7.08 [2019-03-28 22:59:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.72/7.08 [2019-03-28 22:59:17,823 INFO L216 LassoAnalysis]: Preferences: 15.72/7.08 [2019-03-28 22:59:17,825 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.72/7.08 [2019-03-28 22:59:17,825 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.72/7.08 [2019-03-28 22:59:17,825 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.72/7.08 [2019-03-28 22:59:17,825 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.72/7.08 [2019-03-28 22:59:17,825 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.72/7.08 [2019-03-28 22:59:17,825 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.72/7.08 [2019-03-28 22:59:17,826 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.72/7.08 [2019-03-28 22:59:17,826 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.72/7.08 [2019-03-28 22:59:17,826 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.72/7.08 [2019-03-28 22:59:17,826 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.72/7.08 [2019-03-28 22:59:17,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.08 [2019-03-28 22:59:17,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.08 [2019-03-28 22:59:17,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.08 [2019-03-28 22:59:17,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.08 [2019-03-28 22:59:17,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.08 [2019-03-28 22:59:17,974 INFO L300 LassoAnalysis]: Preprocessing complete. 15.72/7.08 [2019-03-28 22:59:17,975 INFO L412 LassoAnalysis]: Checking for nontermination... 15.72/7.08 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.72/7.08 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.72/7.08 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.72/7.08 [2019-03-28 22:59:17,981 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.72/7.08 [2019-03-28 22:59:17,981 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.72/7.08 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.72/7.08 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.72/7.08 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.72/7.08 [2019-03-28 22:59:18,015 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.72/7.08 [2019-03-28 22:59:18,016 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.72/7.08 [2019-03-28 22:59:18,047 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.72/7.08 [2019-03-28 22:59:18,049 INFO L216 LassoAnalysis]: Preferences: 15.72/7.08 [2019-03-28 22:59:18,049 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.72/7.08 [2019-03-28 22:59:18,049 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.72/7.08 [2019-03-28 22:59:18,050 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.72/7.08 [2019-03-28 22:59:18,050 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.72/7.08 [2019-03-28 22:59:18,050 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.72/7.08 [2019-03-28 22:59:18,050 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.72/7.08 [2019-03-28 22:59:18,050 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.72/7.08 [2019-03-28 22:59:18,050 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.72/7.08 [2019-03-28 22:59:18,050 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.72/7.08 [2019-03-28 22:59:18,051 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.72/7.08 [2019-03-28 22:59:18,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.08 [2019-03-28 22:59:18,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.08 [2019-03-28 22:59:18,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.08 [2019-03-28 22:59:18,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.08 [2019-03-28 22:59:18,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.08 [2019-03-28 22:59:18,146 INFO L300 LassoAnalysis]: Preprocessing complete. 15.72/7.08 [2019-03-28 22:59:18,152 INFO L497 LassoAnalysis]: Using template 'affine'. 15.72/7.08 [2019-03-28 22:59:18,154 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.72/7.08 Termination analysis: LINEAR_WITH_GUESSES 15.72/7.08 Number of strict supporting invariants: 0 15.72/7.08 Number of non-strict supporting invariants: 1 15.72/7.08 Consider only non-deceasing supporting invariants: true 15.72/7.08 Simplify termination arguments: true 15.72/7.08 Simplify supporting invariants: trueOverapproximate stem: false 15.72/7.08 [2019-03-28 22:59:18,156 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.72/7.08 [2019-03-28 22:59:18,156 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.72/7.08 [2019-03-28 22:59:18,157 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.72/7.08 [2019-03-28 22:59:18,157 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.72/7.08 [2019-03-28 22:59:18,157 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.72/7.08 [2019-03-28 22:59:18,159 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.72/7.08 [2019-03-28 22:59:18,159 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.72/7.08 [2019-03-28 22:59:18,167 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.72/7.08 [2019-03-28 22:59:18,173 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.72/7.08 [2019-03-28 22:59:18,173 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 15.72/7.08 [2019-03-28 22:59:18,175 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.72/7.08 [2019-03-28 22:59:18,176 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.72/7.08 [2019-03-28 22:59:18,177 INFO L518 LassoAnalysis]: Proved termination. 15.72/7.08 [2019-03-28 22:59:18,177 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.72/7.08 Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 15.72/7.08 Supporting invariants [] 15.72/7.08 [2019-03-28 22:59:18,178 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.72/7.08 [2019-03-28 22:59:18,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.72/7.08 [2019-03-28 22:59:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.72/7.08 [2019-03-28 22:59:18,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 15.72/7.08 [2019-03-28 22:59:18,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.72/7.08 [2019-03-28 22:59:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.72/7.08 [2019-03-28 22:59:18,229 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 15.72/7.08 [2019-03-28 22:59:18,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.72/7.08 [2019-03-28 22:59:18,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.72/7.08 [2019-03-28 22:59:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.72/7.08 [2019-03-28 22:59:18,307 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 15.72/7.08 [2019-03-28 22:59:18,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.72/7.08 [2019-03-28 22:59:18,308 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 15.72/7.08 [2019-03-28 22:59:18,313 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 15.72/7.08 [2019-03-28 22:59:18,315 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states. Second operand 4 states. 15.72/7.08 [2019-03-28 22:59:18,369 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states.. Second operand 4 states. Result 18 states and 30 transitions. Complement of second has 6 states. 15.72/7.08 [2019-03-28 22:59:18,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states 15.72/7.08 [2019-03-28 22:59:18,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 15.72/7.08 [2019-03-28 22:59:18,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. 15.72/7.08 [2019-03-28 22:59:18,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 1 letters. Loop has 3 letters. 15.72/7.08 [2019-03-28 22:59:18,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.72/7.08 [2019-03-28 22:59:18,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 4 letters. Loop has 3 letters. 15.72/7.08 [2019-03-28 22:59:18,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.72/7.08 [2019-03-28 22:59:18,376 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 1 letters. Loop has 6 letters. 15.72/7.08 [2019-03-28 22:59:18,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.72/7.08 [2019-03-28 22:59:18,382 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 30 transitions. 15.72/7.08 [2019-03-28 22:59:18,384 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.72/7.08 [2019-03-28 22:59:18,389 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 16 states and 27 transitions. 15.72/7.08 [2019-03-28 22:59:18,390 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 15.72/7.08 [2019-03-28 22:59:18,391 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 15.72/7.08 [2019-03-28 22:59:18,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 27 transitions. 15.72/7.08 [2019-03-28 22:59:18,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.72/7.08 [2019-03-28 22:59:18,392 INFO L706 BuchiCegarLoop]: Abstraction has 16 states and 27 transitions. 15.72/7.08 [2019-03-28 22:59:18,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 27 transitions. 15.72/7.08 [2019-03-28 22:59:18,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 13. 15.72/7.08 [2019-03-28 22:59:18,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. 15.72/7.08 [2019-03-28 22:59:18,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 24 transitions. 15.72/7.08 [2019-03-28 22:59:18,422 INFO L729 BuchiCegarLoop]: Abstraction has 13 states and 24 transitions. 15.72/7.08 [2019-03-28 22:59:18,422 INFO L609 BuchiCegarLoop]: Abstraction has 13 states and 24 transitions. 15.72/7.08 [2019-03-28 22:59:18,422 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.72/7.08 [2019-03-28 22:59:18,422 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 24 transitions. 15.72/7.08 [2019-03-28 22:59:18,423 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.72/7.08 [2019-03-28 22:59:18,423 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.72/7.08 [2019-03-28 22:59:18,423 INFO L119 BuchiIsEmpty]: Starting construction of run 15.72/7.08 [2019-03-28 22:59:18,424 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 15.72/7.08 [2019-03-28 22:59:18,424 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 15.72/7.08 [2019-03-28 22:59:18,424 INFO L794 eck$LassoCheckResult]: Stem: 74#ULTIMATE.startENTRY [32] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 75#L11-2 [45] L11-2-->L12: Formula: (< 0 v_ULTIMATE.start_main_~y~0_10) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10} AuxVars[] AssignedVars[] 76#L12 15.72/7.08 [2019-03-28 22:59:18,424 INFO L796 eck$LassoCheckResult]: Loop: 76#L12 [43] L12-->L15: Formula: (>= 0 v_ULTIMATE.start_main_~x~0_10) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[] 70#L15 [44] L15-->L15-2: Formula: (>= 0 v_ULTIMATE.start_main_~y~0_8) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8} AuxVars[] AssignedVars[] 71#L15-2 [36] L15-2-->L11-2: Formula: (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0] 80#L11-2 [45] L11-2-->L12: Formula: (< 0 v_ULTIMATE.start_main_~y~0_10) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10} AuxVars[] AssignedVars[] 76#L12 15.72/7.08 [2019-03-28 22:59:18,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.72/7.08 [2019-03-28 22:59:18,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1998, now seen corresponding path program 1 times 15.72/7.08 [2019-03-28 22:59:18,425 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.72/7.08 [2019-03-28 22:59:18,425 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.72/7.08 [2019-03-28 22:59:18,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.08 [2019-03-28 22:59:18,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.72/7.08 [2019-03-28 22:59:18,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.08 [2019-03-28 22:59:18,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.72/7.08 [2019-03-28 22:59:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.72/7.08 [2019-03-28 22:59:18,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.72/7.08 [2019-03-28 22:59:18,432 INFO L82 PathProgramCache]: Analyzing trace with hash 2247979, now seen corresponding path program 1 times 15.72/7.08 [2019-03-28 22:59:18,432 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.72/7.08 [2019-03-28 22:59:18,432 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.72/7.08 [2019-03-28 22:59:18,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.08 [2019-03-28 22:59:18,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.72/7.08 [2019-03-28 22:59:18,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.08 [2019-03-28 22:59:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.72/7.08 [2019-03-28 22:59:18,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.72/7.08 [2019-03-28 22:59:18,464 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 15.72/7.08 [2019-03-28 22:59:18,465 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 15.72/7.08 [2019-03-28 22:59:18,467 INFO L811 eck$LassoCheckResult]: loop already infeasible 15.72/7.08 [2019-03-28 22:59:18,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 15.72/7.08 [2019-03-28 22:59:18,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 15.72/7.08 [2019-03-28 22:59:18,471 INFO L87 Difference]: Start difference. First operand 13 states and 24 transitions. cyclomatic complexity: 13 Second operand 3 states. 15.72/7.08 [2019-03-28 22:59:18,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.72/7.08 [2019-03-28 22:59:18,494 INFO L93 Difference]: Finished difference Result 20 states and 33 transitions. 15.72/7.08 [2019-03-28 22:59:18,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 15.72/7.08 [2019-03-28 22:59:18,496 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 33 transitions. 15.72/7.08 [2019-03-28 22:59:18,498 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.72/7.08 [2019-03-28 22:59:18,498 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 13 states and 20 transitions. 15.72/7.08 [2019-03-28 22:59:18,499 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 15.72/7.08 [2019-03-28 22:59:18,499 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 15.72/7.08 [2019-03-28 22:59:18,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 20 transitions. 15.72/7.08 [2019-03-28 22:59:18,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.72/7.08 [2019-03-28 22:59:18,499 INFO L706 BuchiCegarLoop]: Abstraction has 13 states and 20 transitions. 15.72/7.08 [2019-03-28 22:59:18,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 20 transitions. 15.72/7.08 [2019-03-28 22:59:18,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. 15.72/7.08 [2019-03-28 22:59:18,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. 15.72/7.08 [2019-03-28 22:59:18,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 20 transitions. 15.72/7.08 [2019-03-28 22:59:18,501 INFO L729 BuchiCegarLoop]: Abstraction has 13 states and 20 transitions. 15.72/7.08 [2019-03-28 22:59:18,501 INFO L609 BuchiCegarLoop]: Abstraction has 13 states and 20 transitions. 15.72/7.08 [2019-03-28 22:59:18,502 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 15.72/7.08 [2019-03-28 22:59:18,502 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 20 transitions. 15.72/7.08 [2019-03-28 22:59:18,502 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.72/7.08 [2019-03-28 22:59:18,502 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.72/7.08 [2019-03-28 22:59:18,503 INFO L119 BuchiIsEmpty]: Starting construction of run 15.72/7.08 [2019-03-28 22:59:18,503 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 15.72/7.08 [2019-03-28 22:59:18,503 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 15.72/7.08 [2019-03-28 22:59:18,503 INFO L794 eck$LassoCheckResult]: Stem: 113#ULTIMATE.startENTRY [32] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 114#L11-2 [45] L11-2-->L12: Formula: (< 0 v_ULTIMATE.start_main_~y~0_10) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10} AuxVars[] AssignedVars[] 115#L12 15.72/7.08 [2019-03-28 22:59:18,504 INFO L796 eck$LassoCheckResult]: Loop: 115#L12 [43] L12-->L15: Formula: (>= 0 v_ULTIMATE.start_main_~x~0_10) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[] 109#L15 [30] L15-->L15-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_7) (= v_ULTIMATE.start_main_~y~0_6 (+ v_ULTIMATE.start_main_~y~0_7 (- 1)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 110#L15-2 [36] L15-2-->L11-2: Formula: (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0] 118#L11-2 [45] L11-2-->L12: Formula: (< 0 v_ULTIMATE.start_main_~y~0_10) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10} AuxVars[] AssignedVars[] 115#L12 15.72/7.08 [2019-03-28 22:59:18,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.72/7.08 [2019-03-28 22:59:18,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1998, now seen corresponding path program 2 times 15.72/7.08 [2019-03-28 22:59:18,504 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.72/7.08 [2019-03-28 22:59:18,504 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.72/7.08 [2019-03-28 22:59:18,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.08 [2019-03-28 22:59:18,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.72/7.08 [2019-03-28 22:59:18,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.08 [2019-03-28 22:59:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.72/7.08 [2019-03-28 22:59:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.72/7.08 [2019-03-28 22:59:18,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.72/7.08 [2019-03-28 22:59:18,511 INFO L82 PathProgramCache]: Analyzing trace with hash 2234525, now seen corresponding path program 1 times 15.72/7.08 [2019-03-28 22:59:18,511 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.72/7.08 [2019-03-28 22:59:18,512 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.72/7.08 [2019-03-28 22:59:18,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.08 [2019-03-28 22:59:18,513 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.72/7.08 [2019-03-28 22:59:18,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.08 [2019-03-28 22:59:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.72/7.08 [2019-03-28 22:59:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.72/7.08 [2019-03-28 22:59:18,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.72/7.08 [2019-03-28 22:59:18,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1846505962, now seen corresponding path program 1 times 15.72/7.08 [2019-03-28 22:59:18,520 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.72/7.08 [2019-03-28 22:59:18,520 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.72/7.08 [2019-03-28 22:59:18,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.08 [2019-03-28 22:59:18,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.72/7.08 [2019-03-28 22:59:18,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.08 [2019-03-28 22:59:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.72/7.08 [2019-03-28 22:59:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.72/7.08 [2019-03-28 22:59:18,555 INFO L216 LassoAnalysis]: Preferences: 15.72/7.08 [2019-03-28 22:59:18,555 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.72/7.08 [2019-03-28 22:59:18,556 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.72/7.08 [2019-03-28 22:59:18,556 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.72/7.08 [2019-03-28 22:59:18,556 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.72/7.08 [2019-03-28 22:59:18,556 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.72/7.08 [2019-03-28 22:59:18,556 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.72/7.08 [2019-03-28 22:59:18,556 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.72/7.08 [2019-03-28 22:59:18,556 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.72/7.08 [2019-03-28 22:59:18,557 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.72/7.08 [2019-03-28 22:59:18,557 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.72/7.08 [2019-03-28 22:59:18,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.08 [2019-03-28 22:59:18,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.08 [2019-03-28 22:59:18,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.08 [2019-03-28 22:59:18,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.08 [2019-03-28 22:59:18,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.08 [2019-03-28 22:59:18,639 INFO L300 LassoAnalysis]: Preprocessing complete. 15.72/7.08 [2019-03-28 22:59:18,639 INFO L412 LassoAnalysis]: Checking for nontermination... 15.72/7.08 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.72/7.08 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.72/7.08 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.72/7.08 [2019-03-28 22:59:18,645 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.72/7.08 [2019-03-28 22:59:18,645 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.72/7.08 [2019-03-28 22:59:18,675 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.72/7.08 [2019-03-28 22:59:18,676 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.72/7.08 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.72/7.08 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.72/7.08 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.72/7.08 [2019-03-28 22:59:18,681 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.72/7.08 [2019-03-28 22:59:18,681 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.72/7.08 [2019-03-28 22:59:18,709 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.72/7.08 [2019-03-28 22:59:18,709 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.72/7.08 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.72/7.08 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.72/7.08 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.72/7.08 [2019-03-28 22:59:18,719 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.72/7.08 [2019-03-28 22:59:18,719 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.72/7.08 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.72/7.08 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.72/7.08 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.72/7.08 [2019-03-28 22:59:18,750 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.72/7.08 [2019-03-28 22:59:18,751 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.72/7.08 [2019-03-28 22:59:18,790 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.72/7.08 [2019-03-28 22:59:18,791 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=0} Honda state: {ULTIMATE.start_main_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=0}, {ULTIMATE.start_main_~c~0=-1}, {ULTIMATE.start_main_~c~0=2}] Lambdas: [4, 3, 1] Nus: [0, 1] 15.72/7.08 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.72/7.08 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.72/7.08 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.72/7.08 [2019-03-28 22:59:18,822 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.72/7.08 [2019-03-28 22:59:18,823 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.72/7.08 [2019-03-28 22:59:18,851 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.72/7.08 [2019-03-28 22:59:18,851 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: [] 15.72/7.08 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.72/7.08 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.72/7.08 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.72/7.08 [2019-03-28 22:59:18,859 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.72/7.08 [2019-03-28 22:59:18,859 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.72/7.08 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.72/7.08 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.72/7.08 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.72/7.08 [2019-03-28 22:59:18,895 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.72/7.08 [2019-03-28 22:59:18,896 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.72/7.08 [2019-03-28 22:59:18,974 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.72/7.08 [2019-03-28 22:59:18,977 INFO L216 LassoAnalysis]: Preferences: 15.72/7.08 [2019-03-28 22:59:18,977 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.72/7.08 [2019-03-28 22:59:18,977 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.72/7.08 [2019-03-28 22:59:18,977 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.72/7.08 [2019-03-28 22:59:18,977 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.72/7.08 [2019-03-28 22:59:18,978 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.72/7.08 [2019-03-28 22:59:18,978 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.72/7.08 [2019-03-28 22:59:18,978 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.72/7.08 [2019-03-28 22:59:18,978 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.72/7.08 [2019-03-28 22:59:18,979 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.72/7.08 [2019-03-28 22:59:18,979 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.72/7.08 [2019-03-28 22:59:18,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.08 [2019-03-28 22:59:18,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.08 [2019-03-28 22:59:18,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.08 [2019-03-28 22:59:18,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.08 [2019-03-28 22:59:18,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.08 [2019-03-28 22:59:19,043 INFO L300 LassoAnalysis]: Preprocessing complete. 15.72/7.08 [2019-03-28 22:59:19,043 INFO L497 LassoAnalysis]: Using template 'affine'. 15.72/7.08 [2019-03-28 22:59:19,043 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.72/7.08 Termination analysis: LINEAR_WITH_GUESSES 15.72/7.08 Number of strict supporting invariants: 0 15.72/7.08 Number of non-strict supporting invariants: 1 15.72/7.08 Consider only non-deceasing supporting invariants: true 15.72/7.08 Simplify termination arguments: true 15.72/7.08 Simplify supporting invariants: trueOverapproximate stem: false 15.72/7.08 [2019-03-28 22:59:19,044 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.72/7.08 [2019-03-28 22:59:19,045 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.72/7.08 [2019-03-28 22:59:19,045 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.72/7.08 [2019-03-28 22:59:19,045 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.72/7.08 [2019-03-28 22:59:19,048 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.72/7.08 [2019-03-28 22:59:19,048 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.72/7.08 [2019-03-28 22:59:19,053 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.72/7.08 [2019-03-28 22:59:19,054 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.72/7.08 Termination analysis: LINEAR_WITH_GUESSES 15.72/7.08 Number of strict supporting invariants: 0 15.72/7.08 Number of non-strict supporting invariants: 1 15.72/7.08 Consider only non-deceasing supporting invariants: true 15.72/7.08 Simplify termination arguments: true 15.72/7.08 Simplify supporting invariants: trueOverapproximate stem: false 15.72/7.08 [2019-03-28 22:59:19,054 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.72/7.08 [2019-03-28 22:59:19,055 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.72/7.08 [2019-03-28 22:59:19,055 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.72/7.08 [2019-03-28 22:59:19,055 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.72/7.08 [2019-03-28 22:59:19,057 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.72/7.08 [2019-03-28 22:59:19,057 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.72/7.08 [2019-03-28 22:59:19,063 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.72/7.08 [2019-03-28 22:59:19,064 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.72/7.08 Termination analysis: LINEAR_WITH_GUESSES 15.72/7.08 Number of strict supporting invariants: 0 15.72/7.08 Number of non-strict supporting invariants: 1 15.72/7.08 Consider only non-deceasing supporting invariants: true 15.72/7.08 Simplify termination arguments: true 15.72/7.08 Simplify supporting invariants: trueOverapproximate stem: false 15.72/7.08 [2019-03-28 22:59:19,064 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.72/7.08 [2019-03-28 22:59:19,064 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.72/7.08 [2019-03-28 22:59:19,065 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.72/7.08 [2019-03-28 22:59:19,065 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.72/7.08 [2019-03-28 22:59:19,065 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.72/7.08 [2019-03-28 22:59:19,066 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.72/7.08 [2019-03-28 22:59:19,066 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.72/7.08 [2019-03-28 22:59:19,069 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.72/7.08 [2019-03-28 22:59:19,069 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.72/7.08 Termination analysis: LINEAR_WITH_GUESSES 15.72/7.08 Number of strict supporting invariants: 0 15.72/7.08 Number of non-strict supporting invariants: 1 15.72/7.08 Consider only non-deceasing supporting invariants: true 15.72/7.08 Simplify termination arguments: true 15.72/7.08 Simplify supporting invariants: trueOverapproximate stem: false 15.72/7.08 [2019-03-28 22:59:19,070 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.72/7.08 [2019-03-28 22:59:19,070 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.72/7.08 [2019-03-28 22:59:19,070 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.72/7.08 [2019-03-28 22:59:19,070 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.72/7.08 [2019-03-28 22:59:19,071 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.72/7.08 [2019-03-28 22:59:19,071 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.72/7.08 [2019-03-28 22:59:19,071 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.72/7.08 [2019-03-28 22:59:19,072 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.72/7.08 [2019-03-28 22:59:19,073 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.72/7.08 Termination analysis: LINEAR_WITH_GUESSES 15.72/7.08 Number of strict supporting invariants: 0 15.72/7.08 Number of non-strict supporting invariants: 1 15.72/7.08 Consider only non-deceasing supporting invariants: true 15.72/7.08 Simplify termination arguments: true 15.72/7.08 Simplify supporting invariants: trueOverapproximate stem: false 15.72/7.08 [2019-03-28 22:59:19,073 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.72/7.08 [2019-03-28 22:59:19,073 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.72/7.08 [2019-03-28 22:59:19,073 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.72/7.08 [2019-03-28 22:59:19,074 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.72/7.08 [2019-03-28 22:59:19,074 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.72/7.08 [2019-03-28 22:59:19,075 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.72/7.08 [2019-03-28 22:59:19,075 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.72/7.08 [2019-03-28 22:59:19,079 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.72/7.08 [2019-03-28 22:59:19,082 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.72/7.08 [2019-03-28 22:59:19,083 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 15.72/7.08 [2019-03-28 22:59:19,083 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.72/7.08 [2019-03-28 22:59:19,083 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.72/7.08 [2019-03-28 22:59:19,083 INFO L518 LassoAnalysis]: Proved termination. 15.72/7.08 [2019-03-28 22:59:19,084 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.72/7.08 Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 15.72/7.08 Supporting invariants [] 15.72/7.08 [2019-03-28 22:59:19,084 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.72/7.08 [2019-03-28 22:59:19,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.72/7.08 [2019-03-28 22:59:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.72/7.08 [2019-03-28 22:59:19,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core 15.72/7.08 [2019-03-28 22:59:19,102 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.72/7.08 [2019-03-28 22:59:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.72/7.08 [2019-03-28 22:59:19,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core 15.72/7.08 [2019-03-28 22:59:19,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.72/7.08 [2019-03-28 22:59:19,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.72/7.08 [2019-03-28 22:59:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.72/7.08 [2019-03-28 22:59:19,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core 15.72/7.08 [2019-03-28 22:59:19,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.72/7.08 [2019-03-28 22:59:19,144 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 3 predicates after loop cannibalization 15.72/7.08 [2019-03-28 22:59:19,144 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 15.72/7.08 [2019-03-28 22:59:19,144 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 13 states and 20 transitions. cyclomatic complexity: 9 Second operand 4 states. 15.72/7.08 [2019-03-28 22:59:19,191 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 13 states and 20 transitions. cyclomatic complexity: 9. Second operand 4 states. Result 44 states and 69 transitions. Complement of second has 9 states. 15.72/7.08 [2019-03-28 22:59:19,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 2 accepting loop states 15.72/7.08 [2019-03-28 22:59:19,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 15.72/7.08 [2019-03-28 22:59:19,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. 15.72/7.08 [2019-03-28 22:59:19,193 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 2 letters. Loop has 4 letters. 15.72/7.08 [2019-03-28 22:59:19,193 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.72/7.08 [2019-03-28 22:59:19,194 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 6 letters. Loop has 4 letters. 15.72/7.08 [2019-03-28 22:59:19,195 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.72/7.08 [2019-03-28 22:59:19,195 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 2 letters. Loop has 8 letters. 15.72/7.08 [2019-03-28 22:59:19,196 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.72/7.08 [2019-03-28 22:59:19,197 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 69 transitions. 15.72/7.08 [2019-03-28 22:59:19,199 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.72/7.08 [2019-03-28 22:59:19,199 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 0 states and 0 transitions. 15.72/7.08 [2019-03-28 22:59:19,199 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 15.72/7.08 [2019-03-28 22:59:19,200 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 15.72/7.08 [2019-03-28 22:59:19,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 15.72/7.08 [2019-03-28 22:59:19,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.72/7.08 [2019-03-28 22:59:19,200 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.72/7.08 [2019-03-28 22:59:19,200 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.72/7.08 [2019-03-28 22:59:19,200 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.72/7.08 [2019-03-28 22:59:19,200 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 15.72/7.08 [2019-03-28 22:59:19,200 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 15.72/7.08 [2019-03-28 22:59:19,201 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.72/7.08 [2019-03-28 22:59:19,201 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 15.72/7.08 [2019-03-28 22:59:19,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:59:19 BasicIcfg 15.72/7.08 [2019-03-28 22:59:19,207 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.72/7.08 [2019-03-28 22:59:19,207 INFO L168 Benchmark]: Toolchain (without parser) took 2411.76 ms. Allocated memory is still 649.6 MB. Free memory was 564.9 MB in the beginning and 411.4 MB in the end (delta: 153.4 MB). Peak memory consumption was 153.4 MB. Max. memory is 50.3 GB. 15.72/7.08 [2019-03-28 22:59:19,209 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 586.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.72/7.08 [2019-03-28 22:59:19,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.50 ms. Allocated memory is still 649.6 MB. Free memory was 564.9 MB in the beginning and 555.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 15.72/7.08 [2019-03-28 22:59:19,210 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.44 ms. Allocated memory is still 649.6 MB. Free memory was 554.0 MB in the beginning and 617.3 MB in the end (delta: -63.3 MB). Peak memory consumption was 20.1 MB. Max. memory is 50.3 GB. 15.72/7.08 [2019-03-28 22:59:19,211 INFO L168 Benchmark]: Boogie Preprocessor took 20.20 ms. Allocated memory is still 649.6 MB. Free memory was 617.3 MB in the beginning and 614.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 15.72/7.08 [2019-03-28 22:59:19,211 INFO L168 Benchmark]: RCFGBuilder took 212.93 ms. Allocated memory is still 649.6 MB. Free memory was 614.2 MB in the beginning and 599.8 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 50.3 GB. 15.72/7.08 [2019-03-28 22:59:19,212 INFO L168 Benchmark]: BlockEncodingV2 took 81.45 ms. Allocated memory is still 649.6 MB. Free memory was 599.8 MB in the beginning and 594.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 50.3 GB. 15.72/7.08 [2019-03-28 22:59:19,213 INFO L168 Benchmark]: TraceAbstraction took 159.09 ms. Allocated memory is still 649.6 MB. Free memory was 593.4 MB in the beginning and 585.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 15.72/7.08 [2019-03-28 22:59:19,213 INFO L168 Benchmark]: BuchiAutomizer took 1605.66 ms. Allocated memory is still 649.6 MB. Free memory was 585.3 MB in the beginning and 411.4 MB in the end (delta: 173.8 MB). Peak memory consumption was 173.8 MB. Max. memory is 50.3 GB. 15.72/7.08 [2019-03-28 22:59:19,217 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.72/7.08 --- Results --- 15.72/7.08 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.72/7.08 - StatisticsResult: Initial Icfg 15.72/7.08 9 locations, 12 edges 15.72/7.08 - StatisticsResult: Encoded RCFG 15.72/7.08 5 locations, 8 edges 15.72/7.08 * Results from de.uni_freiburg.informatik.ultimate.core: 15.72/7.08 - StatisticsResult: Toolchain Benchmarks 15.72/7.08 Benchmark results are: 15.72/7.08 * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 586.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.72/7.08 * CACSL2BoogieTranslator took 228.50 ms. Allocated memory is still 649.6 MB. Free memory was 564.9 MB in the beginning and 555.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 15.72/7.08 * Boogie Procedure Inliner took 98.44 ms. Allocated memory is still 649.6 MB. Free memory was 554.0 MB in the beginning and 617.3 MB in the end (delta: -63.3 MB). Peak memory consumption was 20.1 MB. Max. memory is 50.3 GB. 15.72/7.08 * Boogie Preprocessor took 20.20 ms. Allocated memory is still 649.6 MB. Free memory was 617.3 MB in the beginning and 614.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 15.72/7.08 * RCFGBuilder took 212.93 ms. Allocated memory is still 649.6 MB. Free memory was 614.2 MB in the beginning and 599.8 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 50.3 GB. 15.72/7.08 * BlockEncodingV2 took 81.45 ms. Allocated memory is still 649.6 MB. Free memory was 599.8 MB in the beginning and 594.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 50.3 GB. 15.72/7.08 * TraceAbstraction took 159.09 ms. Allocated memory is still 649.6 MB. Free memory was 593.4 MB in the beginning and 585.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 15.72/7.08 * BuchiAutomizer took 1605.66 ms. Allocated memory is still 649.6 MB. Free memory was 585.3 MB in the beginning and 411.4 MB in the end (delta: 173.8 MB). Peak memory consumption was 173.8 MB. Max. memory is 50.3 GB. 15.72/7.08 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.72/7.08 - AllSpecificationsHoldResult: All specifications hold 15.72/7.08 We were not able to verify any specifiation because the program does not contain any specification. 15.72/7.08 - InvariantResult [Line: 11]: Loop Invariant 15.72/7.08 Derived loop invariant: 1 15.72/7.08 - StatisticsResult: Ultimate Automizer benchmark data 15.72/7.08 CFG has 1 procedures, 5 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 15.72/7.08 - StatisticsResult: Constructed decomposition of program 15.72/7.08 Your program was decomposed into 3 terminating modules (1 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function x and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. 15.72/7.08 - StatisticsResult: Timing statistics 15.72/7.08 BüchiAutomizer plugin needed 1.5s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 13 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 18 SDtfs, 39 SDslu, 28 SDs, 0 SdLazy, 50 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax166 hnf100 lsp33 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s 15.72/7.08 - TerminationAnalysisResult: Termination proven 15.72/7.08 Buchi Automizer proved that your program is terminating 15.72/7.08 RESULT: Ultimate proved your program to be correct! 15.72/7.08 !SESSION 2019-03-28 22:59:13.436 ----------------------------------------------- 15.72/7.08 eclipse.buildId=unknown 15.72/7.08 java.version=1.8.0_181 15.72/7.08 java.vendor=Oracle Corporation 15.72/7.08 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.72/7.08 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 15.72/7.08 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 15.72/7.08 15.72/7.08 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:59:19.448 15.72/7.08 !MESSAGE The workspace will exit with unsaved changes in this session. 15.72/7.08 Received shutdown request... 15.72/7.08 Ultimate: 15.72/7.08 GTK+ Version Check 15.72/7.08 EOF