14.52/6.81 YES 14.52/6.81 14.52/6.82 Ultimate: Cannot open display: 14.52/6.82 This is Ultimate 0.1.24-8dc7c08-m 14.52/6.82 [2019-03-28 22:35:30,631 INFO L170 SettingsManager]: Resetting all preferences to default values... 14.52/6.82 [2019-03-28 22:35:30,633 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 14.52/6.82 [2019-03-28 22:35:30,644 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 14.52/6.82 [2019-03-28 22:35:30,645 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 14.52/6.82 [2019-03-28 22:35:30,646 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 14.52/6.82 [2019-03-28 22:35:30,647 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 14.52/6.82 [2019-03-28 22:35:30,648 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 14.52/6.82 [2019-03-28 22:35:30,650 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 14.52/6.82 [2019-03-28 22:35:30,650 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 14.52/6.82 [2019-03-28 22:35:30,651 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 14.52/6.82 [2019-03-28 22:35:30,652 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 14.52/6.82 [2019-03-28 22:35:30,652 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 14.52/6.82 [2019-03-28 22:35:30,653 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 14.52/6.82 [2019-03-28 22:35:30,654 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 14.52/6.82 [2019-03-28 22:35:30,655 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 14.52/6.82 [2019-03-28 22:35:30,656 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 14.52/6.82 [2019-03-28 22:35:30,658 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 14.52/6.82 [2019-03-28 22:35:30,659 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 14.52/6.82 [2019-03-28 22:35:30,661 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 14.52/6.82 [2019-03-28 22:35:30,662 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 14.52/6.82 [2019-03-28 22:35:30,663 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 14.52/6.82 [2019-03-28 22:35:30,665 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 14.52/6.82 [2019-03-28 22:35:30,665 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 14.52/6.82 [2019-03-28 22:35:30,666 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 14.52/6.82 [2019-03-28 22:35:30,666 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 14.52/6.82 [2019-03-28 22:35:30,667 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 14.52/6.82 [2019-03-28 22:35:30,668 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 14.52/6.82 [2019-03-28 22:35:30,668 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 14.52/6.82 [2019-03-28 22:35:30,669 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 14.52/6.82 [2019-03-28 22:35:30,669 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 14.52/6.82 [2019-03-28 22:35:30,670 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 14.52/6.82 [2019-03-28 22:35:30,671 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 14.52/6.82 [2019-03-28 22:35:30,671 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 14.52/6.82 [2019-03-28 22:35:30,672 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 14.52/6.82 [2019-03-28 22:35:30,672 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 14.52/6.82 [2019-03-28 22:35:30,672 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 14.52/6.82 [2019-03-28 22:35:30,673 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 14.52/6.82 [2019-03-28 22:35:30,674 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 14.52/6.82 [2019-03-28 22:35:30,674 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 14.52/6.82 [2019-03-28 22:35:30,688 INFO L110 SettingsManager]: Loading preferences was successful 14.52/6.82 [2019-03-28 22:35:30,689 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 14.52/6.82 [2019-03-28 22:35:30,690 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 14.52/6.82 [2019-03-28 22:35:30,690 INFO L133 SettingsManager]: * Rewrite not-equals=true 14.52/6.82 [2019-03-28 22:35:30,690 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 14.52/6.82 [2019-03-28 22:35:30,690 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 14.52/6.82 [2019-03-28 22:35:30,690 INFO L133 SettingsManager]: * Use SBE=true 14.52/6.82 [2019-03-28 22:35:30,691 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 14.52/6.82 [2019-03-28 22:35:30,691 INFO L133 SettingsManager]: * Use old map elimination=false 14.52/6.82 [2019-03-28 22:35:30,691 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 14.52/6.82 [2019-03-28 22:35:30,691 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 14.52/6.82 [2019-03-28 22:35:30,691 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 14.52/6.82 [2019-03-28 22:35:30,692 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 14.52/6.82 [2019-03-28 22:35:30,692 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 14.52/6.82 [2019-03-28 22:35:30,692 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.52/6.82 [2019-03-28 22:35:30,692 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 14.52/6.82 [2019-03-28 22:35:30,692 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 14.52/6.82 [2019-03-28 22:35:30,692 INFO L133 SettingsManager]: * Check division by zero=IGNORE 14.52/6.82 [2019-03-28 22:35:30,693 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 14.52/6.82 [2019-03-28 22:35:30,693 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 14.52/6.82 [2019-03-28 22:35:30,693 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 14.52/6.82 [2019-03-28 22:35:30,693 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 14.52/6.82 [2019-03-28 22:35:30,693 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 14.52/6.82 [2019-03-28 22:35:30,693 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 14.52/6.82 [2019-03-28 22:35:30,694 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.52/6.82 [2019-03-28 22:35:30,694 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 14.52/6.82 [2019-03-28 22:35:30,694 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 14.52/6.82 [2019-03-28 22:35:30,694 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 14.52/6.82 [2019-03-28 22:35:30,694 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 14.52/6.82 [2019-03-28 22:35:30,720 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 14.52/6.82 [2019-03-28 22:35:30,732 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 14.52/6.82 [2019-03-28 22:35:30,736 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 14.52/6.82 [2019-03-28 22:35:30,737 INFO L271 PluginConnector]: Initializing CDTParser... 14.52/6.82 [2019-03-28 22:35:30,738 INFO L276 PluginConnector]: CDTParser initialized 14.52/6.82 [2019-03-28 22:35:30,739 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 14.52/6.82 [2019-03-28 22:35:30,820 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/aa0a0ea4c977445eb4741c4b97d2fdfa/FLAG9a1af1a9c 14.52/6.82 [2019-03-28 22:35:31,153 INFO L307 CDTParser]: Found 1 translation units. 14.52/6.82 [2019-03-28 22:35:31,154 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 14.52/6.82 [2019-03-28 22:35:31,160 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/aa0a0ea4c977445eb4741c4b97d2fdfa/FLAG9a1af1a9c 14.52/6.82 [2019-03-28 22:35:31,563 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/aa0a0ea4c977445eb4741c4b97d2fdfa 14.52/6.82 [2019-03-28 22:35:31,574 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 14.52/6.82 [2019-03-28 22:35:31,576 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 14.52/6.82 [2019-03-28 22:35:31,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 14.52/6.82 [2019-03-28 22:35:31,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 14.52/6.82 [2019-03-28 22:35:31,581 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 14.52/6.82 [2019-03-28 22:35:31,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:35:31" (1/1) ... 14.52/6.82 [2019-03-28 22:35:31,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a0345cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:31, skipping insertion in model container 14.52/6.82 [2019-03-28 22:35:31,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:35:31" (1/1) ... 14.52/6.82 [2019-03-28 22:35:31,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 14.52/6.82 [2019-03-28 22:35:31,611 INFO L176 MainTranslator]: Built tables and reachable declarations 14.52/6.82 [2019-03-28 22:35:31,768 INFO L206 PostProcessor]: Analyzing one entry point: main 14.52/6.82 [2019-03-28 22:35:31,772 INFO L191 MainTranslator]: Completed pre-run 14.52/6.82 [2019-03-28 22:35:31,789 INFO L206 PostProcessor]: Analyzing one entry point: main 14.52/6.82 [2019-03-28 22:35:31,864 INFO L195 MainTranslator]: Completed translation 14.52/6.82 [2019-03-28 22:35:31,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:31 WrapperNode 14.52/6.82 [2019-03-28 22:35:31,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 14.52/6.82 [2019-03-28 22:35:31,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 14.52/6.82 [2019-03-28 22:35:31,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 14.52/6.82 [2019-03-28 22:35:31,866 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 14.52/6.82 [2019-03-28 22:35:31,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:31" (1/1) ... 14.52/6.82 [2019-03-28 22:35:31,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:31" (1/1) ... 14.52/6.82 [2019-03-28 22:35:31,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 14.52/6.82 [2019-03-28 22:35:31,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 14.52/6.82 [2019-03-28 22:35:31,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 14.52/6.82 [2019-03-28 22:35:31,903 INFO L276 PluginConnector]: Boogie Preprocessor initialized 14.52/6.82 [2019-03-28 22:35:31,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:31" (1/1) ... 14.52/6.82 [2019-03-28 22:35:31,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:31" (1/1) ... 14.52/6.82 [2019-03-28 22:35:31,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:31" (1/1) ... 14.52/6.82 [2019-03-28 22:35:31,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:31" (1/1) ... 14.52/6.82 [2019-03-28 22:35:31,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:31" (1/1) ... 14.52/6.82 [2019-03-28 22:35:31,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:31" (1/1) ... 14.52/6.82 [2019-03-28 22:35:31,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:31" (1/1) ... 14.52/6.82 [2019-03-28 22:35:31,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 14.52/6.82 [2019-03-28 22:35:31,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 14.52/6.82 [2019-03-28 22:35:31,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... 14.52/6.82 [2019-03-28 22:35:31,924 INFO L276 PluginConnector]: RCFGBuilder initialized 14.52/6.82 [2019-03-28 22:35:31,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:31" (1/1) ... 14.52/6.82 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.52/6.82 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 14.52/6.82 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.52/6.82 [2019-03-28 22:35:31,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 14.52/6.82 [2019-03-28 22:35:31,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 14.52/6.82 [2019-03-28 22:35:32,123 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 14.52/6.82 [2019-03-28 22:35:32,123 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. 14.52/6.82 [2019-03-28 22:35:32,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:35:32 BoogieIcfgContainer 14.52/6.82 [2019-03-28 22:35:32,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 14.52/6.82 [2019-03-28 22:35:32,125 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 14.52/6.82 [2019-03-28 22:35:32,125 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 14.52/6.82 [2019-03-28 22:35:32,127 INFO L276 PluginConnector]: BlockEncodingV2 initialized 14.52/6.82 [2019-03-28 22:35:32,128 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:35:32" (1/1) ... 14.52/6.82 [2019-03-28 22:35:32,142 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 14.52/6.82 [2019-03-28 22:35:32,144 INFO L258 BlockEncoder]: Using Remove infeasible edges 14.52/6.82 [2019-03-28 22:35:32,144 INFO L263 BlockEncoder]: Using Maximize final states 14.52/6.82 [2019-03-28 22:35:32,145 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 14.52/6.82 [2019-03-28 22:35:32,145 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 14.52/6.82 [2019-03-28 22:35:32,147 INFO L296 BlockEncoder]: Using Remove sink states 14.52/6.82 [2019-03-28 22:35:32,148 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 14.52/6.82 [2019-03-28 22:35:32,148 INFO L179 BlockEncoder]: Using Rewrite not-equals 14.52/6.82 [2019-03-28 22:35:32,163 INFO L185 BlockEncoder]: Using Use SBE 14.52/6.82 [2019-03-28 22:35:32,170 INFO L200 BlockEncoder]: SBE split 0 edges 14.52/6.82 [2019-03-28 22:35:32,175 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 14.52/6.82 [2019-03-28 22:35:32,177 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.52/6.82 [2019-03-28 22:35:32,192 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 14.52/6.82 [2019-03-28 22:35:32,194 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 14.52/6.82 [2019-03-28 22:35:32,196 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.52/6.82 [2019-03-28 22:35:32,196 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.52/6.82 [2019-03-28 22:35:32,196 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 14.52/6.82 [2019-03-28 22:35:32,196 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.52/6.82 [2019-03-28 22:35:32,197 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 14.52/6.82 [2019-03-28 22:35:32,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:35:32 BasicIcfg 14.52/6.82 [2019-03-28 22:35:32,197 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 14.52/6.82 [2019-03-28 22:35:32,198 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 14.52/6.82 [2019-03-28 22:35:32,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... 14.52/6.82 [2019-03-28 22:35:32,202 INFO L276 PluginConnector]: TraceAbstraction initialized 14.52/6.82 [2019-03-28 22:35:32,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:35:31" (1/4) ... 14.52/6.82 [2019-03-28 22:35:32,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@655b1416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:35:32, skipping insertion in model container 14.52/6.82 [2019-03-28 22:35:32,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:31" (2/4) ... 14.52/6.82 [2019-03-28 22:35:32,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@655b1416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:35:32, skipping insertion in model container 14.52/6.82 [2019-03-28 22:35:32,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:35:32" (3/4) ... 14.52/6.82 [2019-03-28 22:35:32,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@655b1416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:35:32, skipping insertion in model container 14.52/6.82 [2019-03-28 22:35:32,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:35:32" (4/4) ... 14.52/6.82 [2019-03-28 22:35:32,205 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.52/6.82 [2019-03-28 22:35:32,215 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 14.52/6.82 [2019-03-28 22:35:32,223 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 14.52/6.82 [2019-03-28 22:35:32,241 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 14.52/6.82 [2019-03-28 22:35:32,269 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.52/6.82 [2019-03-28 22:35:32,270 INFO L382 AbstractCegarLoop]: Interprodecural is true 14.52/6.82 [2019-03-28 22:35:32,270 INFO L383 AbstractCegarLoop]: Hoare is true 14.52/6.82 [2019-03-28 22:35:32,270 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 14.52/6.82 [2019-03-28 22:35:32,271 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 14.52/6.82 [2019-03-28 22:35:32,271 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.52/6.82 [2019-03-28 22:35:32,271 INFO L387 AbstractCegarLoop]: Difference is false 14.52/6.82 [2019-03-28 22:35:32,271 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 14.52/6.82 [2019-03-28 22:35:32,271 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 14.52/6.82 [2019-03-28 22:35:32,285 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 14.52/6.82 [2019-03-28 22:35:32,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 14.52/6.82 [2019-03-28 22:35:32,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 14.52/6.82 [2019-03-28 22:35:32,345 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 14.52/6.82 [2019-03-28 22:35:32,345 INFO L451 ceAbstractionStarter]: At program point L12-2(lines 12 15) the Hoare annotation is: true 14.52/6.82 [2019-03-28 22:35:32,345 INFO L451 ceAbstractionStarter]: At program point L11-2(lines 11 18) the Hoare annotation is: true 14.52/6.82 [2019-03-28 22:35:32,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:35:32 BasicIcfg 14.52/6.82 [2019-03-28 22:35:32,354 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 14.52/6.82 [2019-03-28 22:35:32,354 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 14.52/6.82 [2019-03-28 22:35:32,355 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 14.52/6.82 [2019-03-28 22:35:32,358 INFO L276 PluginConnector]: BuchiAutomizer initialized 14.52/6.82 [2019-03-28 22:35:32,359 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.52/6.82 [2019-03-28 22:35:32,359 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:35:31" (1/5) ... 14.52/6.82 [2019-03-28 22:35:32,360 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@452955ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:35:32, skipping insertion in model container 14.52/6.82 [2019-03-28 22:35:32,360 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.52/6.82 [2019-03-28 22:35:32,360 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:31" (2/5) ... 14.52/6.82 [2019-03-28 22:35:32,361 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@452955ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:35:32, skipping insertion in model container 14.52/6.82 [2019-03-28 22:35:32,361 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.52/6.82 [2019-03-28 22:35:32,361 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:35:32" (3/5) ... 14.52/6.82 [2019-03-28 22:35:32,361 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@452955ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:35:32, skipping insertion in model container 14.52/6.82 [2019-03-28 22:35:32,362 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.52/6.82 [2019-03-28 22:35:32,362 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:35:32" (4/5) ... 14.52/6.82 [2019-03-28 22:35:32,362 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@452955ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:35:32, skipping insertion in model container 14.52/6.82 [2019-03-28 22:35:32,362 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.52/6.82 [2019-03-28 22:35:32,362 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:35:32" (5/5) ... 14.52/6.82 [2019-03-28 22:35:32,364 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.52/6.82 [2019-03-28 22:35:32,390 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.52/6.82 [2019-03-28 22:35:32,390 INFO L374 BuchiCegarLoop]: Interprodecural is true 14.52/6.82 [2019-03-28 22:35:32,390 INFO L375 BuchiCegarLoop]: Hoare is true 14.52/6.82 [2019-03-28 22:35:32,391 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 14.52/6.82 [2019-03-28 22:35:32,391 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 14.52/6.82 [2019-03-28 22:35:32,391 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.52/6.82 [2019-03-28 22:35:32,391 INFO L379 BuchiCegarLoop]: Difference is false 14.52/6.82 [2019-03-28 22:35:32,391 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 14.52/6.82 [2019-03-28 22:35:32,391 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 14.52/6.82 [2019-03-28 22:35:32,394 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.52/6.82 [2019-03-28 22:35:32,411 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.52/6.82 [2019-03-28 22:35:32,412 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.52/6.82 [2019-03-28 22:35:32,412 INFO L119 BuchiIsEmpty]: Starting construction of run 14.52/6.82 [2019-03-28 22:35:32,417 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.52/6.82 [2019-03-28 22:35:32,417 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.52/6.82 [2019-03-28 22:35:32,417 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 14.52/6.82 [2019-03-28 22:35:32,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.52/6.82 [2019-03-28 22:35:32,418 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.52/6.82 [2019-03-28 22:35:32,418 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.52/6.82 [2019-03-28 22:35:32,418 INFO L119 BuchiIsEmpty]: Starting construction of run 14.52/6.82 [2019-03-28 22:35:32,419 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.52/6.82 [2019-03-28 22:35:32,419 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.52/6.82 [2019-03-28 22:35:32,424 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [34] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 5#L11-2true 14.52/6.82 [2019-03-28 22:35:32,424 INFO L796 eck$LassoCheckResult]: Loop: 5#L11-2true [40] L11-2-->L12-2: Formula: (< 0 v_ULTIMATE.start_main_~x~0_9) 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_9} AuxVars[] AssignedVars[] 3#L12-2true [45] L12-2-->L11-2: Formula: (and (= (+ v_ULTIMATE.start_main_~c~0_11 1) v_ULTIMATE.start_main_~c~0_10) (<= v_ULTIMATE.start_main_~y~0_9 0) (= (+ v_ULTIMATE.start_main_~x~0_12 (- 1)) v_ULTIMATE.start_main_~x~0_11)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_11, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_10, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~x~0] 5#L11-2true 14.52/6.82 [2019-03-28 22:35:32,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.52/6.82 [2019-03-28 22:35:32,431 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 1 times 14.52/6.82 [2019-03-28 22:35:32,433 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.52/6.82 [2019-03-28 22:35:32,434 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.52/6.82 [2019-03-28 22:35:32,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.52/6.82 [2019-03-28 22:35:32,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.52/6.82 [2019-03-28 22:35:32,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.52/6.82 [2019-03-28 22:35:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.52/6.82 [2019-03-28 22:35:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.52/6.82 [2019-03-28 22:35:32,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.52/6.82 [2019-03-28 22:35:32,503 INFO L82 PathProgramCache]: Analyzing trace with hash 2246, now seen corresponding path program 1 times 14.52/6.82 [2019-03-28 22:35:32,504 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.52/6.82 [2019-03-28 22:35:32,504 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.52/6.82 [2019-03-28 22:35:32,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.52/6.82 [2019-03-28 22:35:32,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.52/6.82 [2019-03-28 22:35:32,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.52/6.82 [2019-03-28 22:35:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.52/6.82 [2019-03-28 22:35:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.52/6.82 [2019-03-28 22:35:32,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.52/6.82 [2019-03-28 22:35:32,517 INFO L82 PathProgramCache]: Analyzing trace with hash 63750, now seen corresponding path program 1 times 14.52/6.82 [2019-03-28 22:35:32,517 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.52/6.82 [2019-03-28 22:35:32,518 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.52/6.82 [2019-03-28 22:35:32,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.52/6.82 [2019-03-28 22:35:32,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.52/6.82 [2019-03-28 22:35:32,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.52/6.82 [2019-03-28 22:35:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.52/6.82 [2019-03-28 22:35:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.52/6.82 [2019-03-28 22:35:32,582 INFO L216 LassoAnalysis]: Preferences: 14.52/6.82 [2019-03-28 22:35:32,583 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.52/6.82 [2019-03-28 22:35:32,583 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.52/6.82 [2019-03-28 22:35:32,584 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.52/6.82 [2019-03-28 22:35:32,584 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.52/6.82 [2019-03-28 22:35:32,584 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.52/6.82 [2019-03-28 22:35:32,584 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.52/6.82 [2019-03-28 22:35:32,584 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.52/6.82 [2019-03-28 22:35:32,585 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.52/6.82 [2019-03-28 22:35:32,585 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.52/6.82 [2019-03-28 22:35:32,585 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.52/6.82 [2019-03-28 22:35:32,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.52/6.82 [2019-03-28 22:35:32,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.52/6.82 [2019-03-28 22:35:32,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.52/6.82 [2019-03-28 22:35:32,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.52/6.82 [2019-03-28 22:35:32,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.52/6.82 [2019-03-28 22:35:32,743 INFO L300 LassoAnalysis]: Preprocessing complete. 14.52/6.82 [2019-03-28 22:35:32,744 INFO L412 LassoAnalysis]: Checking for nontermination... 14.52/6.82 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.52/6.82 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.52/6.82 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.52/6.82 [2019-03-28 22:35:32,751 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.52/6.82 [2019-03-28 22:35:32,751 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.52/6.82 [2019-03-28 22:35:32,784 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.52/6.82 [2019-03-28 22:35:32,784 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.52/6.82 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.52/6.82 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.52/6.82 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.52/6.82 [2019-03-28 22:35:32,790 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.52/6.82 [2019-03-28 22:35:32,790 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.52/6.82 [2019-03-28 22:35:32,817 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.52/6.82 [2019-03-28 22:35:32,817 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.52/6.82 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.52/6.82 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.52/6.82 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.52/6.82 [2019-03-28 22:35:32,822 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.52/6.82 [2019-03-28 22:35:32,822 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.52/6.82 [2019-03-28 22:35:32,850 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.52/6.82 [2019-03-28 22:35:32,850 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.52/6.82 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.52/6.82 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.52/6.82 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.52/6.82 [2019-03-28 22:35:32,855 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.52/6.82 [2019-03-28 22:35:32,856 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.52/6.82 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.52/6.82 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.52/6.82 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.52/6.82 [2019-03-28 22:35:32,885 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.52/6.82 [2019-03-28 22:35:32,885 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.52/6.82 [2019-03-28 22:35:32,923 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.52/6.82 [2019-03-28 22:35:32,923 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] 14.52/6.82 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.52/6.82 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.52/6.82 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.52/6.82 [2019-03-28 22:35:32,950 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.52/6.82 [2019-03-28 22:35:32,950 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.52/6.82 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.52/6.82 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.52/6.82 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.52/6.82 [2019-03-28 22:35:32,982 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.52/6.82 [2019-03-28 22:35:32,982 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.52/6.82 [2019-03-28 22:35:33,013 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.52/6.82 [2019-03-28 22:35:33,015 INFO L216 LassoAnalysis]: Preferences: 14.52/6.82 [2019-03-28 22:35:33,015 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.52/6.82 [2019-03-28 22:35:33,015 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.52/6.82 [2019-03-28 22:35:33,015 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.52/6.82 [2019-03-28 22:35:33,015 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.52/6.82 [2019-03-28 22:35:33,015 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.52/6.82 [2019-03-28 22:35:33,016 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.52/6.82 [2019-03-28 22:35:33,016 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.52/6.82 [2019-03-28 22:35:33,016 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.52/6.82 [2019-03-28 22:35:33,016 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.52/6.82 [2019-03-28 22:35:33,016 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.52/6.82 [2019-03-28 22:35:33,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.52/6.82 [2019-03-28 22:35:33,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.52/6.82 [2019-03-28 22:35:33,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.52/6.82 [2019-03-28 22:35:33,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.52/6.82 [2019-03-28 22:35:33,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.52/6.82 [2019-03-28 22:35:33,117 INFO L300 LassoAnalysis]: Preprocessing complete. 14.52/6.82 [2019-03-28 22:35:33,123 INFO L497 LassoAnalysis]: Using template 'affine'. 14.52/6.82 [2019-03-28 22:35:33,125 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.52/6.82 Termination analysis: LINEAR_WITH_GUESSES 14.52/6.82 Number of strict supporting invariants: 0 14.52/6.82 Number of non-strict supporting invariants: 1 14.52/6.82 Consider only non-deceasing supporting invariants: true 14.52/6.82 Simplify termination arguments: true 14.52/6.82 Simplify supporting invariants: trueOverapproximate stem: false 14.52/6.82 [2019-03-28 22:35:33,127 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.52/6.82 [2019-03-28 22:35:33,127 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.52/6.82 [2019-03-28 22:35:33,127 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.52/6.82 [2019-03-28 22:35:33,127 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.52/6.82 [2019-03-28 22:35:33,132 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.52/6.82 [2019-03-28 22:35:33,132 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.52/6.82 [2019-03-28 22:35:33,141 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.52/6.82 [2019-03-28 22:35:33,142 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.52/6.82 Termination analysis: LINEAR_WITH_GUESSES 14.52/6.82 Number of strict supporting invariants: 0 14.52/6.82 Number of non-strict supporting invariants: 1 14.52/6.82 Consider only non-deceasing supporting invariants: true 14.52/6.82 Simplify termination arguments: true 14.52/6.82 Simplify supporting invariants: trueOverapproximate stem: false 14.52/6.82 [2019-03-28 22:35:33,143 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.52/6.82 [2019-03-28 22:35:33,143 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.52/6.82 [2019-03-28 22:35:33,143 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.52/6.82 [2019-03-28 22:35:33,143 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.52/6.82 [2019-03-28 22:35:33,146 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.52/6.82 [2019-03-28 22:35:33,146 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.52/6.82 [2019-03-28 22:35:33,154 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.52/6.82 [2019-03-28 22:35:33,155 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.52/6.82 Termination analysis: LINEAR_WITH_GUESSES 14.52/6.82 Number of strict supporting invariants: 0 14.52/6.82 Number of non-strict supporting invariants: 1 14.52/6.82 Consider only non-deceasing supporting invariants: true 14.52/6.82 Simplify termination arguments: true 14.52/6.82 Simplify supporting invariants: trueOverapproximate stem: false 14.52/6.82 [2019-03-28 22:35:33,155 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.52/6.82 [2019-03-28 22:35:33,156 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.52/6.82 [2019-03-28 22:35:33,156 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.52/6.82 [2019-03-28 22:35:33,156 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.52/6.82 [2019-03-28 22:35:33,157 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.52/6.82 [2019-03-28 22:35:33,157 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.52/6.82 [2019-03-28 22:35:33,157 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.52/6.82 [2019-03-28 22:35:33,159 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.52/6.82 [2019-03-28 22:35:33,159 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.52/6.82 Termination analysis: LINEAR_WITH_GUESSES 14.52/6.82 Number of strict supporting invariants: 0 14.52/6.82 Number of non-strict supporting invariants: 1 14.52/6.82 Consider only non-deceasing supporting invariants: true 14.52/6.82 Simplify termination arguments: true 14.52/6.82 Simplify supporting invariants: trueOverapproximate stem: false 14.52/6.82 [2019-03-28 22:35:33,160 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.52/6.82 [2019-03-28 22:35:33,160 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.52/6.82 [2019-03-28 22:35:33,160 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.52/6.82 [2019-03-28 22:35:33,160 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.52/6.82 [2019-03-28 22:35:33,160 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.52/6.82 [2019-03-28 22:35:33,161 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.52/6.82 [2019-03-28 22:35:33,161 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.52/6.82 [2019-03-28 22:35:33,166 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.52/6.82 [2019-03-28 22:35:33,167 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.52/6.82 Termination analysis: LINEAR_WITH_GUESSES 14.52/6.82 Number of strict supporting invariants: 0 14.52/6.82 Number of non-strict supporting invariants: 1 14.52/6.82 Consider only non-deceasing supporting invariants: true 14.52/6.82 Simplify termination arguments: true 14.52/6.82 Simplify supporting invariants: trueOverapproximate stem: false 14.52/6.82 [2019-03-28 22:35:33,168 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.52/6.82 [2019-03-28 22:35:33,168 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.52/6.82 [2019-03-28 22:35:33,168 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.52/6.82 [2019-03-28 22:35:33,168 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.52/6.82 [2019-03-28 22:35:33,168 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.52/6.82 [2019-03-28 22:35:33,169 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.52/6.82 [2019-03-28 22:35:33,169 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.52/6.82 [2019-03-28 22:35:33,174 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.52/6.82 [2019-03-28 22:35:33,178 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.52/6.82 [2019-03-28 22:35:33,179 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 14.52/6.82 [2019-03-28 22:35:33,181 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.52/6.82 [2019-03-28 22:35:33,181 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.52/6.82 [2019-03-28 22:35:33,182 INFO L518 LassoAnalysis]: Proved termination. 14.52/6.82 [2019-03-28 22:35:33,182 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.52/6.82 Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 14.52/6.82 Supporting invariants [] 14.52/6.82 [2019-03-28 22:35:33,184 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.52/6.82 [2019-03-28 22:35:33,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.52/6.82 [2019-03-28 22:35:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.52/6.82 [2019-03-28 22:35:33,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 14.52/6.82 [2019-03-28 22:35:33,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.52/6.82 [2019-03-28 22:35:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.52/6.82 [2019-03-28 22:35:33,237 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 14.52/6.82 [2019-03-28 22:35:33,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.52/6.82 [2019-03-28 22:35:33,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.52/6.82 [2019-03-28 22:35:33,283 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 14.52/6.82 [2019-03-28 22:35:33,288 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 14.52/6.82 [2019-03-28 22:35:33,290 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 14.52/6.82 [2019-03-28 22:35:33,319 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 6 states and 9 transitions. Complement of second has 4 states. 14.52/6.82 [2019-03-28 22:35:33,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 14.52/6.82 [2019-03-28 22:35:33,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 14.52/6.82 [2019-03-28 22:35:33,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. 14.52/6.82 [2019-03-28 22:35:33,324 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 2 letters. 14.52/6.82 [2019-03-28 22:35:33,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.52/6.82 [2019-03-28 22:35:33,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 2 letters. 14.52/6.82 [2019-03-28 22:35:33,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.52/6.82 [2019-03-28 22:35:33,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 4 letters. 14.52/6.82 [2019-03-28 22:35:33,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.52/6.82 [2019-03-28 22:35:33,333 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 9 transitions. 14.52/6.82 [2019-03-28 22:35:33,333 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.52/6.82 [2019-03-28 22:35:33,337 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 9 transitions. 14.52/6.82 [2019-03-28 22:35:33,338 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 14.52/6.82 [2019-03-28 22:35:33,339 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 14.52/6.82 [2019-03-28 22:35:33,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 9 transitions. 14.52/6.82 [2019-03-28 22:35:33,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 14.52/6.82 [2019-03-28 22:35:33,340 INFO L706 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 14.52/6.82 [2019-03-28 22:35:33,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 9 transitions. 14.52/6.82 [2019-03-28 22:35:33,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 5. 14.52/6.82 [2019-03-28 22:35:33,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 14.52/6.82 [2019-03-28 22:35:33,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. 14.52/6.82 [2019-03-28 22:35:33,369 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. 14.52/6.82 [2019-03-28 22:35:33,369 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. 14.52/6.82 [2019-03-28 22:35:33,369 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 14.52/6.82 [2019-03-28 22:35:33,369 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 8 transitions. 14.52/6.82 [2019-03-28 22:35:33,370 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.52/6.82 [2019-03-28 22:35:33,370 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.52/6.82 [2019-03-28 22:35:33,370 INFO L119 BuchiIsEmpty]: Starting construction of run 14.52/6.82 [2019-03-28 22:35:33,370 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 14.52/6.82 [2019-03-28 22:35:33,371 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 14.52/6.82 [2019-03-28 22:35:33,371 INFO L794 eck$LassoCheckResult]: Stem: 45#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 46#L11-2 [40] L11-2-->L12-2: Formula: (< 0 v_ULTIMATE.start_main_~x~0_9) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 42#L12-2 14.52/6.82 [2019-03-28 22:35:33,371 INFO L796 eck$LassoCheckResult]: Loop: 42#L12-2 [33] L12-2-->L12-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 (- 1))) (= 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, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0] 42#L12-2 14.52/6.82 [2019-03-28 22:35:33,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.52/6.82 [2019-03-28 22:35:33,372 INFO L82 PathProgramCache]: Analyzing trace with hash 2055, now seen corresponding path program 1 times 14.52/6.82 [2019-03-28 22:35:33,372 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.52/6.82 [2019-03-28 22:35:33,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.52/6.82 [2019-03-28 22:35:33,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.52/6.82 [2019-03-28 22:35:33,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.52/6.82 [2019-03-28 22:35:33,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.52/6.82 [2019-03-28 22:35:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.52/6.82 [2019-03-28 22:35:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.52/6.82 [2019-03-28 22:35:33,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.52/6.82 [2019-03-28 22:35:33,379 INFO L82 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 1 times 14.52/6.82 [2019-03-28 22:35:33,380 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.52/6.82 [2019-03-28 22:35:33,380 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.52/6.82 [2019-03-28 22:35:33,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.52/6.82 [2019-03-28 22:35:33,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.52/6.82 [2019-03-28 22:35:33,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.52/6.82 [2019-03-28 22:35:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.52/6.82 [2019-03-28 22:35:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.52/6.82 [2019-03-28 22:35:33,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.52/6.82 [2019-03-28 22:35:33,387 INFO L82 PathProgramCache]: Analyzing trace with hash 63738, now seen corresponding path program 1 times 14.52/6.82 [2019-03-28 22:35:33,387 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.52/6.82 [2019-03-28 22:35:33,387 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.52/6.82 [2019-03-28 22:35:33,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.52/6.82 [2019-03-28 22:35:33,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.52/6.82 [2019-03-28 22:35:33,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.52/6.82 [2019-03-28 22:35:33,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.52/6.82 [2019-03-28 22:35:33,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.52/6.82 [2019-03-28 22:35:33,414 INFO L216 LassoAnalysis]: Preferences: 14.52/6.82 [2019-03-28 22:35:33,414 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.52/6.82 [2019-03-28 22:35:33,415 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.52/6.82 [2019-03-28 22:35:33,415 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.52/6.82 [2019-03-28 22:35:33,415 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.52/6.82 [2019-03-28 22:35:33,415 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.52/6.82 [2019-03-28 22:35:33,415 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.52/6.82 [2019-03-28 22:35:33,415 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.52/6.82 [2019-03-28 22:35:33,415 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.52/6.82 [2019-03-28 22:35:33,416 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.52/6.82 [2019-03-28 22:35:33,416 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.52/6.82 [2019-03-28 22:35:33,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.52/6.82 [2019-03-28 22:35:33,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.52/6.82 [2019-03-28 22:35:33,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.52/6.82 [2019-03-28 22:35:33,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.52/6.82 [2019-03-28 22:35:33,470 INFO L300 LassoAnalysis]: Preprocessing complete. 14.52/6.82 [2019-03-28 22:35:33,470 INFO L412 LassoAnalysis]: Checking for nontermination... 14.52/6.82 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.52/6.82 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.52/6.82 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.52/6.82 [2019-03-28 22:35:33,474 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.52/6.82 [2019-03-28 22:35:33,474 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.52/6.82 [2019-03-28 22:35:33,501 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.52/6.82 [2019-03-28 22:35:33,502 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: [] 14.52/6.82 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.52/6.82 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.52/6.82 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.52/6.82 [2019-03-28 22:35:33,511 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.52/6.82 [2019-03-28 22:35:33,511 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.52/6.82 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.52/6.82 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.52/6.82 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.52/6.82 [2019-03-28 22:35:33,543 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.52/6.82 [2019-03-28 22:35:33,544 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.52/6.82 [2019-03-28 22:35:33,580 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.52/6.82 [2019-03-28 22:35:33,580 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] 14.52/6.82 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.52/6.82 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.52/6.82 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.52/6.82 [2019-03-28 22:35:33,609 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.52/6.82 [2019-03-28 22:35:33,610 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.52/6.82 [2019-03-28 22:35:33,638 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.52/6.82 [2019-03-28 22:35:33,638 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: [] 14.52/6.82 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.52/6.82 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.52/6.82 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.52/6.82 [2019-03-28 22:35:33,644 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.52/6.82 [2019-03-28 22:35:33,644 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.52/6.82 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.52/6.82 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.52/6.82 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.52/6.82 [2019-03-28 22:35:33,679 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.52/6.82 [2019-03-28 22:35:33,679 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.52/6.82 [2019-03-28 22:35:33,709 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.52/6.82 [2019-03-28 22:35:33,711 INFO L216 LassoAnalysis]: Preferences: 14.52/6.82 [2019-03-28 22:35:33,711 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.52/6.82 [2019-03-28 22:35:33,711 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.52/6.82 [2019-03-28 22:35:33,712 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.52/6.82 [2019-03-28 22:35:33,712 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.52/6.82 [2019-03-28 22:35:33,712 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.52/6.82 [2019-03-28 22:35:33,712 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.52/6.82 [2019-03-28 22:35:33,712 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.52/6.82 [2019-03-28 22:35:33,712 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.52/6.82 [2019-03-28 22:35:33,712 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.52/6.82 [2019-03-28 22:35:33,713 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.52/6.82 [2019-03-28 22:35:33,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.52/6.82 [2019-03-28 22:35:33,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.52/6.82 [2019-03-28 22:35:33,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.52/6.82 [2019-03-28 22:35:33,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.52/6.82 [2019-03-28 22:35:33,778 INFO L300 LassoAnalysis]: Preprocessing complete. 14.52/6.82 [2019-03-28 22:35:33,778 INFO L497 LassoAnalysis]: Using template 'affine'. 14.52/6.82 [2019-03-28 22:35:33,779 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.52/6.82 Termination analysis: LINEAR_WITH_GUESSES 14.52/6.82 Number of strict supporting invariants: 0 14.52/6.82 Number of non-strict supporting invariants: 1 14.52/6.82 Consider only non-deceasing supporting invariants: true 14.52/6.82 Simplify termination arguments: true 14.52/6.82 Simplify supporting invariants: trueOverapproximate stem: false 14.52/6.82 [2019-03-28 22:35:33,780 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.52/6.82 [2019-03-28 22:35:33,780 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.52/6.82 [2019-03-28 22:35:33,780 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.52/6.82 [2019-03-28 22:35:33,780 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.52/6.82 [2019-03-28 22:35:33,782 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.52/6.82 [2019-03-28 22:35:33,782 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.52/6.82 [2019-03-28 22:35:33,787 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.52/6.82 [2019-03-28 22:35:33,787 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.52/6.82 Termination analysis: LINEAR_WITH_GUESSES 14.52/6.82 Number of strict supporting invariants: 0 14.52/6.82 Number of non-strict supporting invariants: 1 14.52/6.82 Consider only non-deceasing supporting invariants: true 14.52/6.82 Simplify termination arguments: true 14.52/6.82 Simplify supporting invariants: trueOverapproximate stem: false 14.52/6.82 [2019-03-28 22:35:33,788 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.52/6.82 [2019-03-28 22:35:33,788 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.52/6.82 [2019-03-28 22:35:33,788 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.52/6.82 [2019-03-28 22:35:33,788 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.52/6.82 [2019-03-28 22:35:33,788 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.52/6.82 [2019-03-28 22:35:33,789 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.52/6.82 [2019-03-28 22:35:33,789 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.52/6.82 [2019-03-28 22:35:33,792 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.52/6.82 [2019-03-28 22:35:33,793 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.52/6.82 Termination analysis: LINEAR_WITH_GUESSES 14.52/6.82 Number of strict supporting invariants: 0 14.52/6.82 Number of non-strict supporting invariants: 1 14.52/6.82 Consider only non-deceasing supporting invariants: true 14.52/6.82 Simplify termination arguments: true 14.52/6.82 Simplify supporting invariants: trueOverapproximate stem: false 14.52/6.82 [2019-03-28 22:35:33,793 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.52/6.82 [2019-03-28 22:35:33,794 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.52/6.82 [2019-03-28 22:35:33,794 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.52/6.82 [2019-03-28 22:35:33,794 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.52/6.82 [2019-03-28 22:35:33,795 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.52/6.82 [2019-03-28 22:35:33,796 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.52/6.82 [2019-03-28 22:35:33,801 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.52/6.82 [2019-03-28 22:35:33,803 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.52/6.82 Termination analysis: LINEAR_WITH_GUESSES 14.52/6.82 Number of strict supporting invariants: 0 14.52/6.82 Number of non-strict supporting invariants: 1 14.52/6.82 Consider only non-deceasing supporting invariants: true 14.52/6.82 Simplify termination arguments: true 14.52/6.82 Simplify supporting invariants: trueOverapproximate stem: false 14.52/6.82 [2019-03-28 22:35:33,804 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.52/6.82 [2019-03-28 22:35:33,804 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.52/6.82 [2019-03-28 22:35:33,804 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.52/6.82 [2019-03-28 22:35:33,804 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.52/6.82 [2019-03-28 22:35:33,804 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.52/6.82 [2019-03-28 22:35:33,805 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.52/6.82 [2019-03-28 22:35:33,805 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.52/6.82 [2019-03-28 22:35:33,809 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.52/6.82 [2019-03-28 22:35:33,811 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.52/6.82 [2019-03-28 22:35:33,812 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 14.52/6.82 [2019-03-28 22:35:33,812 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.52/6.82 [2019-03-28 22:35:33,812 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.52/6.82 [2019-03-28 22:35:33,812 INFO L518 LassoAnalysis]: Proved termination. 14.52/6.82 [2019-03-28 22:35:33,813 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.52/6.82 Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 14.52/6.82 Supporting invariants [] 14.52/6.82 [2019-03-28 22:35:33,813 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.52/6.82 [2019-03-28 22:35:33,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.52/6.82 [2019-03-28 22:35:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.52/6.82 [2019-03-28 22:35:33,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core 14.52/6.82 [2019-03-28 22:35:33,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.52/6.82 [2019-03-28 22:35:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.52/6.82 [2019-03-28 22:35:33,851 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core 14.52/6.82 [2019-03-28 22:35:33,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.52/6.82 [2019-03-28 22:35:33,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.52/6.82 [2019-03-28 22:35:33,852 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 14.52/6.82 [2019-03-28 22:35:33,853 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates 14.52/6.82 [2019-03-28 22:35:33,853 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 5 Second operand 2 states. 14.52/6.82 [2019-03-28 22:35:33,862 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 11 states and 16 transitions. Complement of second has 6 states. 14.52/6.82 [2019-03-28 22:35:33,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 14.52/6.82 [2019-03-28 22:35:33,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 14.52/6.82 [2019-03-28 22:35:33,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. 14.52/6.82 [2019-03-28 22:35:33,864 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. 14.52/6.82 [2019-03-28 22:35:33,864 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.52/6.82 [2019-03-28 22:35:33,864 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 3 letters. Loop has 1 letters. 14.52/6.82 [2019-03-28 22:35:33,865 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.52/6.82 [2019-03-28 22:35:33,865 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 2 letters. Loop has 2 letters. 14.52/6.82 [2019-03-28 22:35:33,865 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.52/6.82 [2019-03-28 22:35:33,866 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 16 transitions. 14.52/6.82 [2019-03-28 22:35:33,867 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.52/6.82 [2019-03-28 22:35:33,867 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. 14.52/6.82 [2019-03-28 22:35:33,868 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 14.52/6.82 [2019-03-28 22:35:33,868 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 14.52/6.82 [2019-03-28 22:35:33,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 14.52/6.82 [2019-03-28 22:35:33,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.52/6.82 [2019-03-28 22:35:33,868 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.52/6.82 [2019-03-28 22:35:33,869 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.52/6.82 [2019-03-28 22:35:33,869 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.52/6.82 [2019-03-28 22:35:33,869 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 14.52/6.82 [2019-03-28 22:35:33,869 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 14.52/6.82 [2019-03-28 22:35:33,869 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.52/6.82 [2019-03-28 22:35:33,869 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 14.52/6.82 [2019-03-28 22:35:33,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:35:33 BasicIcfg 14.52/6.82 [2019-03-28 22:35:33,876 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 14.52/6.82 [2019-03-28 22:35:33,876 INFO L168 Benchmark]: Toolchain (without parser) took 2301.38 ms. Allocated memory was 649.6 MB in the beginning and 674.2 MB in the end (delta: 24.6 MB). Free memory was 559.2 MB in the beginning and 449.8 MB in the end (delta: 109.4 MB). Peak memory consumption was 134.0 MB. Max. memory is 50.3 GB. 14.52/6.82 [2019-03-28 22:35:33,878 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.52/6.82 [2019-03-28 22:35:33,879 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.76 ms. Allocated memory was 649.6 MB in the beginning and 674.2 MB in the end (delta: 24.6 MB). Free memory was 558.1 MB in the beginning and 641.0 MB in the end (delta: -82.9 MB). Peak memory consumption was 30.2 MB. Max. memory is 50.3 GB. 14.52/6.82 [2019-03-28 22:35:33,879 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.33 ms. Allocated memory is still 674.2 MB. Free memory was 641.0 MB in the beginning and 638.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 14.52/6.82 [2019-03-28 22:35:33,880 INFO L168 Benchmark]: Boogie Preprocessor took 20.35 ms. Allocated memory is still 674.2 MB. Free memory was 638.2 MB in the beginning and 637.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 14.52/6.82 [2019-03-28 22:35:33,881 INFO L168 Benchmark]: RCFGBuilder took 200.96 ms. Allocated memory is still 674.2 MB. Free memory was 637.1 MB in the beginning and 623.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 50.3 GB. 14.52/6.82 [2019-03-28 22:35:33,881 INFO L168 Benchmark]: BlockEncodingV2 took 72.52 ms. Allocated memory is still 674.2 MB. Free memory was 623.5 MB in the beginning and 618.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 14.52/6.82 [2019-03-28 22:35:33,882 INFO L168 Benchmark]: TraceAbstraction took 155.51 ms. Allocated memory is still 674.2 MB. Free memory was 618.1 MB in the beginning and 609.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 14.52/6.82 [2019-03-28 22:35:33,882 INFO L168 Benchmark]: BuchiAutomizer took 1521.59 ms. Allocated memory is still 674.2 MB. Free memory was 608.4 MB in the beginning and 449.8 MB in the end (delta: 158.6 MB). Peak memory consumption was 158.6 MB. Max. memory is 50.3 GB. 14.52/6.82 [2019-03-28 22:35:33,886 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 14.52/6.82 --- Results --- 14.52/6.82 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 14.52/6.82 - StatisticsResult: Initial Icfg 14.52/6.82 8 locations, 11 edges 14.52/6.82 - StatisticsResult: Encoded RCFG 14.52/6.82 3 locations, 4 edges 14.52/6.82 * Results from de.uni_freiburg.informatik.ultimate.core: 14.52/6.82 - StatisticsResult: Toolchain Benchmarks 14.52/6.82 Benchmark results are: 14.52/6.82 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.52/6.82 * CACSL2BoogieTranslator took 287.76 ms. Allocated memory was 649.6 MB in the beginning and 674.2 MB in the end (delta: 24.6 MB). Free memory was 558.1 MB in the beginning and 641.0 MB in the end (delta: -82.9 MB). Peak memory consumption was 30.2 MB. Max. memory is 50.3 GB. 14.52/6.82 * Boogie Procedure Inliner took 37.33 ms. Allocated memory is still 674.2 MB. Free memory was 641.0 MB in the beginning and 638.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 14.52/6.82 * Boogie Preprocessor took 20.35 ms. Allocated memory is still 674.2 MB. Free memory was 638.2 MB in the beginning and 637.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 14.52/6.82 * RCFGBuilder took 200.96 ms. Allocated memory is still 674.2 MB. Free memory was 637.1 MB in the beginning and 623.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 50.3 GB. 14.52/6.82 * BlockEncodingV2 took 72.52 ms. Allocated memory is still 674.2 MB. Free memory was 623.5 MB in the beginning and 618.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 14.52/6.82 * TraceAbstraction took 155.51 ms. Allocated memory is still 674.2 MB. Free memory was 618.1 MB in the beginning and 609.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 14.52/6.82 * BuchiAutomizer took 1521.59 ms. Allocated memory is still 674.2 MB. Free memory was 608.4 MB in the beginning and 449.8 MB in the end (delta: 158.6 MB). Peak memory consumption was 158.6 MB. Max. memory is 50.3 GB. 14.52/6.82 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 14.52/6.82 - AllSpecificationsHoldResult: All specifications hold 14.52/6.82 We were not able to verify any specifiation because the program does not contain any specification. 14.52/6.82 - InvariantResult [Line: 12]: Loop Invariant 14.52/6.82 Derived loop invariant: 1 14.52/6.82 - InvariantResult [Line: 11]: Loop Invariant 14.52/6.82 Derived loop invariant: 1 14.52/6.82 - StatisticsResult: Ultimate Automizer benchmark data 14.52/6.82 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 14.52/6.82 - StatisticsResult: Constructed decomposition of program 14.52/6.82 Your program was decomposed into 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function x and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. 14.52/6.82 - StatisticsResult: Timing statistics 14.52/6.82 BüchiAutomizer plugin needed 1.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 5 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 13 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax173 hnf100 lsp35 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s 14.52/6.82 - TerminationAnalysisResult: Termination proven 14.52/6.82 Buchi Automizer proved that your program is terminating 14.52/6.82 RESULT: Ultimate proved your program to be correct! 14.52/6.82 !SESSION 2019-03-28 22:35:28.317 ----------------------------------------------- 14.52/6.82 eclipse.buildId=unknown 14.52/6.82 java.version=1.8.0_181 14.52/6.82 java.vendor=Oracle Corporation 14.52/6.82 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 14.52/6.82 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 14.52/6.82 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 14.52/6.82 14.52/6.82 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:35:34.121 14.52/6.82 !MESSAGE The workspace will exit with unsaved changes in this session. 14.52/6.82 Received shutdown request... 14.52/6.82 Ultimate: 14.52/6.82 GTK+ Version Check 14.52/6.82 EOF