13.20/6.68 YES 13.20/6.68 13.20/6.68 This is Ultimate 0.1.24-8dc7c08-m 13.20/6.68 [2019-03-28 12:10:16,563 INFO L170 SettingsManager]: Resetting all preferences to default values... 13.20/6.68 [2019-03-28 12:10:16,565 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 13.20/6.68 [2019-03-28 12:10:16,576 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 13.20/6.68 [2019-03-28 12:10:16,577 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 13.20/6.68 [2019-03-28 12:10:16,578 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 13.20/6.68 [2019-03-28 12:10:16,580 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 13.20/6.68 [2019-03-28 12:10:16,581 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 13.20/6.68 [2019-03-28 12:10:16,583 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 13.20/6.68 [2019-03-28 12:10:16,583 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 13.20/6.68 [2019-03-28 12:10:16,584 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 13.20/6.68 [2019-03-28 12:10:16,584 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 13.20/6.68 [2019-03-28 12:10:16,585 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 13.20/6.68 [2019-03-28 12:10:16,586 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 13.20/6.68 [2019-03-28 12:10:16,587 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 13.20/6.68 [2019-03-28 12:10:16,588 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 13.20/6.68 [2019-03-28 12:10:16,589 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 13.20/6.68 [2019-03-28 12:10:16,590 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 13.20/6.68 [2019-03-28 12:10:16,592 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 13.20/6.68 [2019-03-28 12:10:16,593 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 13.20/6.68 [2019-03-28 12:10:16,595 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 13.20/6.68 [2019-03-28 12:10:16,596 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 13.20/6.68 [2019-03-28 12:10:16,598 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 13.20/6.68 [2019-03-28 12:10:16,598 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 13.20/6.68 [2019-03-28 12:10:16,598 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 13.20/6.68 [2019-03-28 12:10:16,599 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 13.20/6.68 [2019-03-28 12:10:16,599 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 13.20/6.68 [2019-03-28 12:10:16,600 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 13.20/6.68 [2019-03-28 12:10:16,600 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 13.20/6.68 [2019-03-28 12:10:16,601 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 13.20/6.68 [2019-03-28 12:10:16,602 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 13.20/6.68 [2019-03-28 12:10:16,602 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 13.20/6.68 [2019-03-28 12:10:16,603 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 13.20/6.68 [2019-03-28 12:10:16,603 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 13.20/6.68 [2019-03-28 12:10:16,604 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 13.20/6.68 [2019-03-28 12:10:16,604 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 13.20/6.68 [2019-03-28 12:10:16,604 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 13.20/6.68 [2019-03-28 12:10:16,605 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 13.20/6.68 [2019-03-28 12:10:16,606 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 13.20/6.68 [2019-03-28 12:10:16,606 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 13.20/6.68 [2019-03-28 12:10:16,620 INFO L110 SettingsManager]: Loading preferences was successful 13.20/6.68 [2019-03-28 12:10:16,621 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 13.20/6.68 [2019-03-28 12:10:16,622 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 13.20/6.68 [2019-03-28 12:10:16,622 INFO L133 SettingsManager]: * Rewrite not-equals=true 13.20/6.68 [2019-03-28 12:10:16,622 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 13.20/6.68 [2019-03-28 12:10:16,622 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 13.20/6.68 [2019-03-28 12:10:16,622 INFO L133 SettingsManager]: * Use SBE=true 13.20/6.68 [2019-03-28 12:10:16,622 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 13.20/6.68 [2019-03-28 12:10:16,623 INFO L133 SettingsManager]: * Use old map elimination=false 13.20/6.68 [2019-03-28 12:10:16,623 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 13.20/6.68 [2019-03-28 12:10:16,623 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 13.20/6.68 [2019-03-28 12:10:16,623 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 13.20/6.68 [2019-03-28 12:10:16,623 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 13.20/6.68 [2019-03-28 12:10:16,623 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 13.20/6.68 [2019-03-28 12:10:16,624 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.20/6.68 [2019-03-28 12:10:16,624 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 13.20/6.68 [2019-03-28 12:10:16,624 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 13.20/6.68 [2019-03-28 12:10:16,624 INFO L133 SettingsManager]: * Check division by zero=IGNORE 13.20/6.68 [2019-03-28 12:10:16,624 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 13.20/6.68 [2019-03-28 12:10:16,624 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 13.20/6.68 [2019-03-28 12:10:16,625 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 13.20/6.68 [2019-03-28 12:10:16,625 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 13.20/6.68 [2019-03-28 12:10:16,625 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 13.20/6.68 [2019-03-28 12:10:16,625 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 13.20/6.68 [2019-03-28 12:10:16,625 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.20/6.68 [2019-03-28 12:10:16,625 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 13.20/6.68 [2019-03-28 12:10:16,626 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 13.20/6.68 [2019-03-28 12:10:16,626 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 13.20/6.68 [2019-03-28 12:10:16,626 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 13.20/6.68 [2019-03-28 12:10:16,651 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 13.20/6.68 [2019-03-28 12:10:16,664 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 13.20/6.68 [2019-03-28 12:10:16,667 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 13.20/6.68 [2019-03-28 12:10:16,669 INFO L271 PluginConnector]: Initializing CDTParser... 13.20/6.68 [2019-03-28 12:10:16,669 INFO L276 PluginConnector]: CDTParser initialized 13.20/6.68 [2019-03-28 12:10:16,670 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 13.20/6.68 [2019-03-28 12:10:16,740 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/26a13cfe8e6e45d4882f54dca589304a/FLAGd1db70497 13.20/6.68 [2019-03-28 12:10:17,060 INFO L307 CDTParser]: Found 1 translation units. 13.20/6.68 [2019-03-28 12:10:17,061 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 13.20/6.68 [2019-03-28 12:10:17,067 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/26a13cfe8e6e45d4882f54dca589304a/FLAGd1db70497 13.20/6.68 [2019-03-28 12:10:17,476 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/26a13cfe8e6e45d4882f54dca589304a 13.20/6.68 [2019-03-28 12:10:17,487 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 13.20/6.68 [2019-03-28 12:10:17,488 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 13.20/6.68 [2019-03-28 12:10:17,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 13.20/6.68 [2019-03-28 12:10:17,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 13.20/6.68 [2019-03-28 12:10:17,493 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 13.20/6.68 [2019-03-28 12:10:17,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:10:17" (1/1) ... 13.20/6.68 [2019-03-28 12:10:17,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c69bea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:10:17, skipping insertion in model container 13.20/6.68 [2019-03-28 12:10:17,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:10:17" (1/1) ... 13.20/6.68 [2019-03-28 12:10:17,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 13.20/6.68 [2019-03-28 12:10:17,522 INFO L176 MainTranslator]: Built tables and reachable declarations 13.20/6.68 [2019-03-28 12:10:17,679 INFO L206 PostProcessor]: Analyzing one entry point: main 13.20/6.68 [2019-03-28 12:10:17,684 INFO L191 MainTranslator]: Completed pre-run 13.20/6.68 [2019-03-28 12:10:17,700 INFO L206 PostProcessor]: Analyzing one entry point: main 13.20/6.68 [2019-03-28 12:10:17,715 INFO L195 MainTranslator]: Completed translation 13.20/6.68 [2019-03-28 12:10:17,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:10:17 WrapperNode 13.20/6.68 [2019-03-28 12:10:17,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 13.20/6.68 [2019-03-28 12:10:17,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 13.20/6.68 [2019-03-28 12:10:17,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 13.20/6.68 [2019-03-28 12:10:17,717 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 13.20/6.68 [2019-03-28 12:10:17,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:10:17" (1/1) ... 13.20/6.68 [2019-03-28 12:10:17,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:10:17" (1/1) ... 13.20/6.68 [2019-03-28 12:10:17,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 13.20/6.68 [2019-03-28 12:10:17,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 13.20/6.68 [2019-03-28 12:10:17,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 13.20/6.68 [2019-03-28 12:10:17,810 INFO L276 PluginConnector]: Boogie Preprocessor initialized 13.20/6.68 [2019-03-28 12:10:17,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:10:17" (1/1) ... 13.20/6.68 [2019-03-28 12:10:17,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:10:17" (1/1) ... 13.20/6.68 [2019-03-28 12:10:17,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:10:17" (1/1) ... 13.20/6.68 [2019-03-28 12:10:17,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:10:17" (1/1) ... 13.20/6.68 [2019-03-28 12:10:17,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:10:17" (1/1) ... 13.20/6.68 [2019-03-28 12:10:17,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:10:17" (1/1) ... 13.20/6.68 [2019-03-28 12:10:17,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:10:17" (1/1) ... 13.20/6.68 [2019-03-28 12:10:17,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 13.20/6.68 [2019-03-28 12:10:17,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 13.20/6.68 [2019-03-28 12:10:17,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... 13.20/6.68 [2019-03-28 12:10:17,830 INFO L276 PluginConnector]: RCFGBuilder initialized 13.20/6.68 [2019-03-28 12:10:17,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:10:17" (1/1) ... 13.20/6.68 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.20/6.68 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 13.20/6.68 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.20/6.68 [2019-03-28 12:10:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 13.20/6.68 [2019-03-28 12:10:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 13.20/6.68 [2019-03-28 12:10:18,022 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 13.20/6.68 [2019-03-28 12:10:18,022 INFO L286 CfgBuilder]: Removed 8 assue(true) statements. 13.20/6.68 [2019-03-28 12:10:18,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:10:18 BoogieIcfgContainer 13.20/6.68 [2019-03-28 12:10:18,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 13.20/6.68 [2019-03-28 12:10:18,024 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 13.20/6.68 [2019-03-28 12:10:18,024 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 13.20/6.68 [2019-03-28 12:10:18,026 INFO L276 PluginConnector]: BlockEncodingV2 initialized 13.20/6.68 [2019-03-28 12:10:18,027 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:10:18" (1/1) ... 13.20/6.68 [2019-03-28 12:10:18,040 INFO L313 BlockEncoder]: Initial Icfg 9 locations, 12 edges 13.20/6.68 [2019-03-28 12:10:18,042 INFO L258 BlockEncoder]: Using Remove infeasible edges 13.20/6.68 [2019-03-28 12:10:18,043 INFO L263 BlockEncoder]: Using Maximize final states 13.20/6.68 [2019-03-28 12:10:18,043 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 13.20/6.68 [2019-03-28 12:10:18,043 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 13.20/6.68 [2019-03-28 12:10:18,045 INFO L296 BlockEncoder]: Using Remove sink states 13.20/6.68 [2019-03-28 12:10:18,046 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 13.20/6.68 [2019-03-28 12:10:18,046 INFO L179 BlockEncoder]: Using Rewrite not-equals 13.20/6.68 [2019-03-28 12:10:18,060 INFO L185 BlockEncoder]: Using Use SBE 13.20/6.68 [2019-03-28 12:10:18,068 INFO L200 BlockEncoder]: SBE split 0 edges 13.20/6.68 [2019-03-28 12:10:18,073 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 13.20/6.68 [2019-03-28 12:10:18,075 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.20/6.68 [2019-03-28 12:10:18,096 INFO L100 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding 13.20/6.68 [2019-03-28 12:10:18,098 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 13.20/6.68 [2019-03-28 12:10:18,099 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.20/6.68 [2019-03-28 12:10:18,100 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.20/6.68 [2019-03-28 12:10:18,100 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.20/6.68 [2019-03-28 12:10:18,100 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.20/6.68 [2019-03-28 12:10:18,100 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 13.20/6.68 [2019-03-28 12:10:18,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:10:18 BasicIcfg 13.20/6.68 [2019-03-28 12:10:18,101 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 13.20/6.68 [2019-03-28 12:10:18,102 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 13.20/6.68 [2019-03-28 12:10:18,102 INFO L271 PluginConnector]: Initializing TraceAbstraction... 13.20/6.68 [2019-03-28 12:10:18,105 INFO L276 PluginConnector]: TraceAbstraction initialized 13.20/6.68 [2019-03-28 12:10:18,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:10:17" (1/4) ... 13.20/6.68 [2019-03-28 12:10:18,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12a7b11b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:10:18, skipping insertion in model container 13.20/6.68 [2019-03-28 12:10:18,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:10:17" (2/4) ... 13.20/6.68 [2019-03-28 12:10:18,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12a7b11b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:10:18, skipping insertion in model container 13.20/6.68 [2019-03-28 12:10:18,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:10:18" (3/4) ... 13.20/6.68 [2019-03-28 12:10:18,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12a7b11b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:10:18, skipping insertion in model container 13.20/6.68 [2019-03-28 12:10:18,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:10:18" (4/4) ... 13.20/6.68 [2019-03-28 12:10:18,109 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.20/6.68 [2019-03-28 12:10:18,119 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 13.20/6.68 [2019-03-28 12:10:18,127 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 13.20/6.68 [2019-03-28 12:10:18,143 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 13.20/6.68 [2019-03-28 12:10:18,171 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.20/6.68 [2019-03-28 12:10:18,171 INFO L382 AbstractCegarLoop]: Interprodecural is true 13.20/6.68 [2019-03-28 12:10:18,171 INFO L383 AbstractCegarLoop]: Hoare is true 13.20/6.68 [2019-03-28 12:10:18,172 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 13.20/6.68 [2019-03-28 12:10:18,172 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 13.20/6.68 [2019-03-28 12:10:18,172 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.20/6.68 [2019-03-28 12:10:18,172 INFO L387 AbstractCegarLoop]: Difference is false 13.20/6.68 [2019-03-28 12:10:18,172 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 13.20/6.68 [2019-03-28 12:10:18,172 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 13.20/6.68 [2019-03-28 12:10:18,186 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 13.20/6.68 [2019-03-28 12:10:18,191 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 13.20/6.68 [2019-03-28 12:10:18,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 13.20/6.68 [2019-03-28 12:10:18,243 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 13.20/6.68 [2019-03-28 12:10:18,243 INFO L451 ceAbstractionStarter]: At program point L7-2(lines 7 10) the Hoare annotation is: true 13.20/6.68 [2019-03-28 12:10:18,243 INFO L451 ceAbstractionStarter]: At program point L6-2(lines 6 13) the Hoare annotation is: true 13.20/6.68 [2019-03-28 12:10:18,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:10:18 BasicIcfg 13.20/6.68 [2019-03-28 12:10:18,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 13.20/6.68 [2019-03-28 12:10:18,252 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 13.20/6.68 [2019-03-28 12:10:18,252 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 13.20/6.68 [2019-03-28 12:10:18,255 INFO L276 PluginConnector]: BuchiAutomizer initialized 13.20/6.68 [2019-03-28 12:10:18,256 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.20/6.68 [2019-03-28 12:10:18,256 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:10:17" (1/5) ... 13.20/6.68 [2019-03-28 12:10:18,257 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a95277f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:10:18, skipping insertion in model container 13.20/6.68 [2019-03-28 12:10:18,257 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.20/6.68 [2019-03-28 12:10:18,257 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:10:17" (2/5) ... 13.20/6.68 [2019-03-28 12:10:18,257 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a95277f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:10:18, skipping insertion in model container 13.20/6.68 [2019-03-28 12:10:18,257 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.20/6.68 [2019-03-28 12:10:18,257 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:10:18" (3/5) ... 13.20/6.68 [2019-03-28 12:10:18,258 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a95277f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:10:18, skipping insertion in model container 13.20/6.68 [2019-03-28 12:10:18,258 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.20/6.68 [2019-03-28 12:10:18,258 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:10:18" (4/5) ... 13.20/6.68 [2019-03-28 12:10:18,258 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a95277f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:10:18, skipping insertion in model container 13.20/6.68 [2019-03-28 12:10:18,259 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.20/6.68 [2019-03-28 12:10:18,259 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:10:18" (5/5) ... 13.20/6.68 [2019-03-28 12:10:18,260 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.20/6.68 [2019-03-28 12:10:18,289 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.20/6.68 [2019-03-28 12:10:18,290 INFO L374 BuchiCegarLoop]: Interprodecural is true 13.20/6.68 [2019-03-28 12:10:18,290 INFO L375 BuchiCegarLoop]: Hoare is true 13.20/6.68 [2019-03-28 12:10:18,290 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 13.20/6.68 [2019-03-28 12:10:18,291 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 13.20/6.68 [2019-03-28 12:10:18,291 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.20/6.68 [2019-03-28 12:10:18,291 INFO L379 BuchiCegarLoop]: Difference is false 13.20/6.68 [2019-03-28 12:10:18,291 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 13.20/6.68 [2019-03-28 12:10:18,291 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 13.20/6.68 [2019-03-28 12:10:18,294 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 13.20/6.68 [2019-03-28 12:10:18,318 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 13.20/6.68 [2019-03-28 12:10:18,318 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.20/6.68 [2019-03-28 12:10:18,319 INFO L119 BuchiIsEmpty]: Starting construction of run 13.20/6.68 [2019-03-28 12:10:18,324 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.20/6.68 [2019-03-28 12:10:18,325 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 13.20/6.68 [2019-03-28 12:10:18,325 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 13.20/6.68 [2019-03-28 12:10:18,325 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 13.20/6.68 [2019-03-28 12:10:18,326 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 13.20/6.68 [2019-03-28 12:10:18,326 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.20/6.68 [2019-03-28 12:10:18,326 INFO L119 BuchiIsEmpty]: Starting construction of run 13.20/6.68 [2019-03-28 12:10:18,328 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.20/6.68 [2019-03-28 12:10:18,328 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 13.20/6.68 [2019-03-28 12:10:18,333 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [36] ULTIMATE.startENTRY-->L6-2: Formula: (and (= |v_ULTIMATE.start_test_fun_#in~z_1| |v_ULTIMATE.start_main_#t~nondet2_1|) (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= v_ULTIMATE.start_test_fun_~z_1 |v_ULTIMATE.start_test_fun_#in~z_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|) (= v_ULTIMATE.start_test_fun_~y_1 |v_ULTIMATE.start_test_fun_#in~y_1|) (= v_ULTIMATE.start_test_fun_~c~0_1 0)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_test_fun_#in~z=|v_ULTIMATE.start_test_fun_#in~z_1|, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_~z=v_ULTIMATE.start_test_fun_~z_1, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_1|, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_1, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_test_fun_#in~z, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_~z, ULTIMATE.start_test_fun_#in~x, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_~c~0, ULTIMATE.start_main_#t~ret3] 5#L6-2true 13.20/6.68 [2019-03-28 12:10:18,334 INFO L796 eck$LassoCheckResult]: Loop: 5#L6-2true [43] L6-2-->L7-2: Formula: (< v_ULTIMATE.start_test_fun_~z_6 v_ULTIMATE.start_test_fun_~x_6) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6, ULTIMATE.start_test_fun_~z=v_ULTIMATE.start_test_fun_~z_6} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6, ULTIMATE.start_test_fun_~z=v_ULTIMATE.start_test_fun_~z_6} AuxVars[] AssignedVars[] 3#L7-2true [48] L7-2-->L6-2: Formula: (and (= v_ULTIMATE.start_test_fun_~x_8 (+ v_ULTIMATE.start_test_fun_~x_9 (- 1))) (<= v_ULTIMATE.start_test_fun_~y_6 v_ULTIMATE.start_test_fun_~z_8) (= v_ULTIMATE.start_test_fun_~c~0_9 (+ v_ULTIMATE.start_test_fun_~c~0_10 1))) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_6, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_9, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_10, ULTIMATE.start_test_fun_~z=v_ULTIMATE.start_test_fun_~z_8} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_6, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_8, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_9, ULTIMATE.start_test_fun_~z=v_ULTIMATE.start_test_fun_~z_8} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~x, ULTIMATE.start_test_fun_~c~0] 5#L6-2true 13.20/6.68 [2019-03-28 12:10:18,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.20/6.68 [2019-03-28 12:10:18,340 INFO L82 PathProgramCache]: Analyzing trace with hash 67, now seen corresponding path program 1 times 13.20/6.68 [2019-03-28 12:10:18,342 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.20/6.68 [2019-03-28 12:10:18,343 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.20/6.68 [2019-03-28 12:10:18,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.20/6.68 [2019-03-28 12:10:18,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.20/6.68 [2019-03-28 12:10:18,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.20/6.68 [2019-03-28 12:10:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.20/6.68 [2019-03-28 12:10:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.20/6.68 [2019-03-28 12:10:18,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.20/6.68 [2019-03-28 12:10:18,412 INFO L82 PathProgramCache]: Analyzing trace with hash 2342, now seen corresponding path program 1 times 13.20/6.68 [2019-03-28 12:10:18,412 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.20/6.68 [2019-03-28 12:10:18,412 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.20/6.68 [2019-03-28 12:10:18,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.20/6.68 [2019-03-28 12:10:18,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.20/6.68 [2019-03-28 12:10:18,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.20/6.68 [2019-03-28 12:10:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.20/6.68 [2019-03-28 12:10:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.20/6.68 [2019-03-28 12:10:18,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.20/6.68 [2019-03-28 12:10:18,428 INFO L82 PathProgramCache]: Analyzing trace with hash 65768, now seen corresponding path program 1 times 13.20/6.68 [2019-03-28 12:10:18,428 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.20/6.68 [2019-03-28 12:10:18,429 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.20/6.68 [2019-03-28 12:10:18,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.20/6.68 [2019-03-28 12:10:18,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.20/6.68 [2019-03-28 12:10:18,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.20/6.68 [2019-03-28 12:10:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.20/6.68 [2019-03-28 12:10:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.20/6.68 [2019-03-28 12:10:18,493 INFO L216 LassoAnalysis]: Preferences: 13.20/6.68 [2019-03-28 12:10:18,494 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.20/6.68 [2019-03-28 12:10:18,494 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.20/6.68 [2019-03-28 12:10:18,494 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.20/6.68 [2019-03-28 12:10:18,494 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.20/6.68 [2019-03-28 12:10:18,495 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.20/6.68 [2019-03-28 12:10:18,495 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.20/6.68 [2019-03-28 12:10:18,495 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.20/6.68 [2019-03-28 12:10:18,495 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.20/6.68 [2019-03-28 12:10:18,495 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.20/6.68 [2019-03-28 12:10:18,496 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.20/6.68 [2019-03-28 12:10:18,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.20/6.68 [2019-03-28 12:10:18,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.20/6.68 [2019-03-28 12:10:18,584 INFO L300 LassoAnalysis]: Preprocessing complete. 13.20/6.68 [2019-03-28 12:10:18,585 INFO L412 LassoAnalysis]: Checking for nontermination... 13.20/6.68 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.20/6.68 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.20/6.68 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.20/6.68 [2019-03-28 12:10:18,590 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.20/6.68 [2019-03-28 12:10:18,590 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.20/6.68 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.20/6.68 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.20/6.68 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.20/6.68 [2019-03-28 12:10:18,623 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.20/6.68 [2019-03-28 12:10:18,623 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.20/6.68 [2019-03-28 12:10:18,646 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.20/6.68 [2019-03-28 12:10:18,646 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_fun_~c~0=0} Honda state: {ULTIMATE.start_test_fun_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_test_fun_~c~0=-4}, {ULTIMATE.start_test_fun_~c~0=7}, {ULTIMATE.start_test_fun_~c~0=-2}] Lambdas: [1, 1, 1] Nus: [0, 0] 13.20/6.68 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.20/6.68 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.20/6.68 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.20/6.68 [2019-03-28 12:10:18,673 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.20/6.68 [2019-03-28 12:10:18,673 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.20/6.68 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.20/6.68 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.20/6.68 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.20/6.68 [2019-03-28 12:10:18,703 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.20/6.68 [2019-03-28 12:10:18,703 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.20/6.68 [2019-03-28 12:10:19,055 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.20/6.68 [2019-03-28 12:10:19,058 INFO L216 LassoAnalysis]: Preferences: 13.20/6.68 [2019-03-28 12:10:19,058 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.20/6.68 [2019-03-28 12:10:19,058 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.20/6.68 [2019-03-28 12:10:19,059 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.20/6.68 [2019-03-28 12:10:19,059 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.20/6.68 [2019-03-28 12:10:19,059 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.20/6.68 [2019-03-28 12:10:19,059 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.20/6.68 [2019-03-28 12:10:19,059 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.20/6.68 [2019-03-28 12:10:19,059 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.20/6.68 [2019-03-28 12:10:19,059 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.20/6.68 [2019-03-28 12:10:19,060 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.20/6.68 [2019-03-28 12:10:19,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.20/6.68 [2019-03-28 12:10:19,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.20/6.68 [2019-03-28 12:10:19,109 INFO L300 LassoAnalysis]: Preprocessing complete. 13.20/6.68 [2019-03-28 12:10:19,115 INFO L497 LassoAnalysis]: Using template 'affine'. 13.20/6.68 [2019-03-28 12:10:19,117 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.20/6.68 Termination analysis: LINEAR_WITH_GUESSES 13.20/6.68 Number of strict supporting invariants: 0 13.20/6.68 Number of non-strict supporting invariants: 1 13.20/6.68 Consider only non-deceasing supporting invariants: true 13.20/6.68 Simplify termination arguments: true 13.20/6.68 Simplify supporting invariants: trueOverapproximate stem: false 13.20/6.68 [2019-03-28 12:10:19,119 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.20/6.68 [2019-03-28 12:10:19,119 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.20/6.68 [2019-03-28 12:10:19,119 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.20/6.68 [2019-03-28 12:10:19,120 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.20/6.68 [2019-03-28 12:10:19,120 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.20/6.68 [2019-03-28 12:10:19,122 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.20/6.68 [2019-03-28 12:10:19,122 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.20/6.68 [2019-03-28 12:10:19,129 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.20/6.68 [2019-03-28 12:10:19,130 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.20/6.68 Termination analysis: LINEAR_WITH_GUESSES 13.20/6.68 Number of strict supporting invariants: 0 13.20/6.68 Number of non-strict supporting invariants: 1 13.20/6.68 Consider only non-deceasing supporting invariants: true 13.20/6.68 Simplify termination arguments: true 13.20/6.68 Simplify supporting invariants: trueOverapproximate stem: false 13.20/6.68 [2019-03-28 12:10:19,131 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.20/6.68 [2019-03-28 12:10:19,131 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.20/6.68 [2019-03-28 12:10:19,131 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.20/6.68 [2019-03-28 12:10:19,131 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.20/6.68 [2019-03-28 12:10:19,131 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.20/6.68 [2019-03-28 12:10:19,132 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.20/6.68 [2019-03-28 12:10:19,133 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.20/6.68 [2019-03-28 12:10:19,140 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.20/6.68 [2019-03-28 12:10:19,146 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 13.20/6.68 [2019-03-28 12:10:19,147 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. 13.20/6.68 [2019-03-28 12:10:19,149 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.20/6.68 [2019-03-28 12:10:19,149 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.20/6.68 [2019-03-28 12:10:19,149 INFO L518 LassoAnalysis]: Proved termination. 13.20/6.68 [2019-03-28 12:10:19,150 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.20/6.68 Ranking function f(ULTIMATE.start_test_fun_~x, ULTIMATE.start_test_fun_~z) = 1*ULTIMATE.start_test_fun_~x - 1*ULTIMATE.start_test_fun_~z 13.20/6.68 Supporting invariants [] 13.20/6.68 [2019-03-28 12:10:19,151 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.20/6.68 [2019-03-28 12:10:19,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.20/6.68 [2019-03-28 12:10:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.20/6.68 [2019-03-28 12:10:19,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core 13.20/6.68 [2019-03-28 12:10:19,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.20/6.68 [2019-03-28 12:10:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.20/6.68 [2019-03-28 12:10:19,231 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 13.20/6.68 [2019-03-28 12:10:19,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.20/6.68 [2019-03-28 12:10:19,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.20/6.68 [2019-03-28 12:10:19,277 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 13.20/6.68 [2019-03-28 12:10:19,282 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 13.20/6.68 [2019-03-28 12:10:19,283 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 13.20/6.68 [2019-03-28 12:10:19,312 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. 13.20/6.68 [2019-03-28 12:10:19,313 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 13.20/6.68 [2019-03-28 12:10:19,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 13.20/6.68 [2019-03-28 12:10:19,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. 13.20/6.68 [2019-03-28 12:10:19,317 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 2 letters. 13.20/6.68 [2019-03-28 12:10:19,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.20/6.68 [2019-03-28 12:10:19,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 2 letters. 13.20/6.68 [2019-03-28 12:10:19,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.20/6.68 [2019-03-28 12:10:19,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 4 letters. 13.20/6.68 [2019-03-28 12:10:19,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.20/6.68 [2019-03-28 12:10:19,325 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 9 transitions. 13.20/6.68 [2019-03-28 12:10:19,326 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.20/6.68 [2019-03-28 12:10:19,330 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 9 transitions. 13.20/6.68 [2019-03-28 12:10:19,331 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 13.20/6.68 [2019-03-28 12:10:19,332 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 13.20/6.68 [2019-03-28 12:10:19,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 9 transitions. 13.20/6.68 [2019-03-28 12:10:19,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 13.20/6.68 [2019-03-28 12:10:19,333 INFO L706 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 13.20/6.68 [2019-03-28 12:10:19,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 9 transitions. 13.20/6.68 [2019-03-28 12:10:19,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 5. 13.20/6.68 [2019-03-28 12:10:19,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 13.20/6.68 [2019-03-28 12:10:19,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. 13.20/6.68 [2019-03-28 12:10:19,362 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. 13.20/6.68 [2019-03-28 12:10:19,362 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. 13.20/6.68 [2019-03-28 12:10:19,362 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 13.20/6.68 [2019-03-28 12:10:19,362 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 8 transitions. 13.20/6.68 [2019-03-28 12:10:19,363 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.20/6.68 [2019-03-28 12:10:19,363 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.20/6.68 [2019-03-28 12:10:19,363 INFO L119 BuchiIsEmpty]: Starting construction of run 13.20/6.68 [2019-03-28 12:10:19,364 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 13.20/6.68 [2019-03-28 12:10:19,364 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.20/6.68 [2019-03-28 12:10:19,364 INFO L794 eck$LassoCheckResult]: Stem: 45#ULTIMATE.startENTRY [36] ULTIMATE.startENTRY-->L6-2: Formula: (and (= |v_ULTIMATE.start_test_fun_#in~z_1| |v_ULTIMATE.start_main_#t~nondet2_1|) (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= v_ULTIMATE.start_test_fun_~z_1 |v_ULTIMATE.start_test_fun_#in~z_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|) (= v_ULTIMATE.start_test_fun_~y_1 |v_ULTIMATE.start_test_fun_#in~y_1|) (= v_ULTIMATE.start_test_fun_~c~0_1 0)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_test_fun_#in~z=|v_ULTIMATE.start_test_fun_#in~z_1|, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_~z=v_ULTIMATE.start_test_fun_~z_1, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_1|, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_1, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_test_fun_#in~z, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_~z, ULTIMATE.start_test_fun_#in~x, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_~c~0, ULTIMATE.start_main_#t~ret3] 46#L6-2 [43] L6-2-->L7-2: Formula: (< v_ULTIMATE.start_test_fun_~z_6 v_ULTIMATE.start_test_fun_~x_6) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6, ULTIMATE.start_test_fun_~z=v_ULTIMATE.start_test_fun_~z_6} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6, ULTIMATE.start_test_fun_~z=v_ULTIMATE.start_test_fun_~z_6} AuxVars[] AssignedVars[] 42#L7-2 13.20/6.68 [2019-03-28 12:10:19,364 INFO L796 eck$LassoCheckResult]: Loop: 42#L7-2 [35] L7-2-->L7-2: Formula: (and (= v_ULTIMATE.start_test_fun_~y_4 (+ v_ULTIMATE.start_test_fun_~y_5 (- 1))) (= v_ULTIMATE.start_test_fun_~c~0_3 (+ v_ULTIMATE.start_test_fun_~c~0_4 1)) (< v_ULTIMATE.start_test_fun_~z_4 v_ULTIMATE.start_test_fun_~y_5)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_5, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_4, ULTIMATE.start_test_fun_~z=v_ULTIMATE.start_test_fun_~z_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_3, ULTIMATE.start_test_fun_~z=v_ULTIMATE.start_test_fun_~z_4} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_test_fun_~c~0] 42#L7-2 13.20/6.68 [2019-03-28 12:10:19,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.20/6.68 [2019-03-28 12:10:19,365 INFO L82 PathProgramCache]: Analyzing trace with hash 2120, now seen corresponding path program 1 times 13.20/6.68 [2019-03-28 12:10:19,365 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.20/6.68 [2019-03-28 12:10:19,365 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.20/6.68 [2019-03-28 12:10:19,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.20/6.68 [2019-03-28 12:10:19,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.20/6.68 [2019-03-28 12:10:19,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.20/6.68 [2019-03-28 12:10:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.20/6.68 [2019-03-28 12:10:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.20/6.68 [2019-03-28 12:10:19,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.20/6.68 [2019-03-28 12:10:19,374 INFO L82 PathProgramCache]: Analyzing trace with hash 66, now seen corresponding path program 1 times 13.20/6.68 [2019-03-28 12:10:19,374 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.20/6.68 [2019-03-28 12:10:19,374 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.20/6.68 [2019-03-28 12:10:19,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.20/6.68 [2019-03-28 12:10:19,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.20/6.68 [2019-03-28 12:10:19,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.20/6.68 [2019-03-28 12:10:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.20/6.68 [2019-03-28 12:10:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.20/6.68 [2019-03-28 12:10:19,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.20/6.68 [2019-03-28 12:10:19,381 INFO L82 PathProgramCache]: Analyzing trace with hash 65755, now seen corresponding path program 1 times 13.20/6.68 [2019-03-28 12:10:19,381 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.20/6.68 [2019-03-28 12:10:19,381 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.20/6.68 [2019-03-28 12:10:19,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.20/6.68 [2019-03-28 12:10:19,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.20/6.68 [2019-03-28 12:10:19,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.20/6.68 [2019-03-28 12:10:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.20/6.68 [2019-03-28 12:10:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.20/6.68 [2019-03-28 12:10:19,412 INFO L216 LassoAnalysis]: Preferences: 13.20/6.68 [2019-03-28 12:10:19,413 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.20/6.68 [2019-03-28 12:10:19,413 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.20/6.68 [2019-03-28 12:10:19,413 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.20/6.68 [2019-03-28 12:10:19,413 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.20/6.68 [2019-03-28 12:10:19,413 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.20/6.68 [2019-03-28 12:10:19,413 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.20/6.68 [2019-03-28 12:10:19,413 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.20/6.68 [2019-03-28 12:10:19,414 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 13.20/6.68 [2019-03-28 12:10:19,414 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.20/6.68 [2019-03-28 12:10:19,414 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.20/6.68 [2019-03-28 12:10:19,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.20/6.68 [2019-03-28 12:10:19,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.20/6.68 [2019-03-28 12:10:19,450 INFO L300 LassoAnalysis]: Preprocessing complete. 13.20/6.68 [2019-03-28 12:10:19,450 INFO L412 LassoAnalysis]: Checking for nontermination... 13.20/6.68 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.20/6.68 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.20/6.68 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.20/6.68 [2019-03-28 12:10:19,461 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.20/6.68 [2019-03-28 12:10:19,461 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.20/6.68 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.20/6.68 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.20/6.68 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.20/6.68 [2019-03-28 12:10:19,491 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.20/6.68 [2019-03-28 12:10:19,491 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.20/6.68 [2019-03-28 12:10:19,747 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.20/6.68 [2019-03-28 12:10:19,749 INFO L216 LassoAnalysis]: Preferences: 13.20/6.68 [2019-03-28 12:10:19,750 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.20/6.68 [2019-03-28 12:10:19,750 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.20/6.68 [2019-03-28 12:10:19,750 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.20/6.68 [2019-03-28 12:10:19,750 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.20/6.68 [2019-03-28 12:10:19,750 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.20/6.68 [2019-03-28 12:10:19,750 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.20/6.68 [2019-03-28 12:10:19,750 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.20/6.68 [2019-03-28 12:10:19,751 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 13.20/6.68 [2019-03-28 12:10:19,751 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.20/6.68 [2019-03-28 12:10:19,751 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.20/6.68 [2019-03-28 12:10:19,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.20/6.68 [2019-03-28 12:10:19,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.20/6.68 [2019-03-28 12:10:19,782 INFO L300 LassoAnalysis]: Preprocessing complete. 13.20/6.68 [2019-03-28 12:10:19,783 INFO L497 LassoAnalysis]: Using template 'affine'. 13.20/6.68 [2019-03-28 12:10:19,783 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.20/6.68 Termination analysis: LINEAR_WITH_GUESSES 13.20/6.68 Number of strict supporting invariants: 0 13.20/6.68 Number of non-strict supporting invariants: 1 13.20/6.68 Consider only non-deceasing supporting invariants: true 13.20/6.68 Simplify termination arguments: true 13.20/6.68 Simplify supporting invariants: trueOverapproximate stem: false 13.20/6.68 [2019-03-28 12:10:19,784 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.20/6.68 [2019-03-28 12:10:19,784 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.20/6.68 [2019-03-28 12:10:19,784 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.20/6.68 [2019-03-28 12:10:19,785 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.20/6.68 [2019-03-28 12:10:19,785 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.20/6.68 [2019-03-28 12:10:19,786 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.20/6.68 [2019-03-28 12:10:19,786 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.20/6.68 [2019-03-28 12:10:19,791 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.20/6.68 [2019-03-28 12:10:19,796 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 13.20/6.68 [2019-03-28 12:10:19,796 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 13.20/6.68 [2019-03-28 12:10:19,797 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.20/6.68 [2019-03-28 12:10:19,797 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.20/6.68 [2019-03-28 12:10:19,797 INFO L518 LassoAnalysis]: Proved termination. 13.20/6.68 [2019-03-28 12:10:19,797 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.20/6.68 Ranking function f(ULTIMATE.start_test_fun_~y, ULTIMATE.start_test_fun_~z) = 1*ULTIMATE.start_test_fun_~y - 1*ULTIMATE.start_test_fun_~z 13.20/6.68 Supporting invariants [] 13.20/6.68 [2019-03-28 12:10:19,798 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.20/6.68 [2019-03-28 12:10:19,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.20/6.68 [2019-03-28 12:10:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.20/6.68 [2019-03-28 12:10:19,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjunts are in the unsatisfiable core 13.20/6.68 [2019-03-28 12:10:19,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.20/6.68 [2019-03-28 12:10:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.20/6.68 [2019-03-28 12:10:19,825 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core 13.20/6.68 [2019-03-28 12:10:19,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.20/6.68 [2019-03-28 12:10:19,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.20/6.68 [2019-03-28 12:10:19,826 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 13.20/6.68 [2019-03-28 12:10:19,827 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 13.20/6.68 [2019-03-28 12:10:19,827 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 5 Second operand 2 states. 13.20/6.68 [2019-03-28 12:10:19,845 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. 13.20/6.68 [2019-03-28 12:10:19,846 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 13.20/6.68 [2019-03-28 12:10:19,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 13.20/6.68 [2019-03-28 12:10:19,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. 13.20/6.68 [2019-03-28 12:10:19,847 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. 13.20/6.68 [2019-03-28 12:10:19,847 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.20/6.68 [2019-03-28 12:10:19,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 3 letters. Loop has 1 letters. 13.20/6.68 [2019-03-28 12:10:19,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.20/6.68 [2019-03-28 12:10:19,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 2 letters. Loop has 2 letters. 13.20/6.68 [2019-03-28 12:10:19,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.20/6.68 [2019-03-28 12:10:19,849 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 16 transitions. 13.20/6.68 [2019-03-28 12:10:19,850 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.20/6.68 [2019-03-28 12:10:19,850 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. 13.20/6.68 [2019-03-28 12:10:19,851 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 13.20/6.68 [2019-03-28 12:10:19,851 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 13.20/6.68 [2019-03-28 12:10:19,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 13.20/6.68 [2019-03-28 12:10:19,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.20/6.68 [2019-03-28 12:10:19,852 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.20/6.68 [2019-03-28 12:10:19,852 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.20/6.68 [2019-03-28 12:10:19,852 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.20/6.68 [2019-03-28 12:10:19,852 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 13.20/6.68 [2019-03-28 12:10:19,852 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 13.20/6.68 [2019-03-28 12:10:19,852 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.20/6.68 [2019-03-28 12:10:19,852 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 13.20/6.68 [2019-03-28 12:10:19,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:10:19 BasicIcfg 13.20/6.68 [2019-03-28 12:10:19,859 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 13.20/6.68 [2019-03-28 12:10:19,859 INFO L168 Benchmark]: Toolchain (without parser) took 2371.95 ms. Allocated memory was 649.6 MB in the beginning and 669.0 MB in the end (delta: 19.4 MB). Free memory was 558.7 MB in the beginning and 490.1 MB in the end (delta: 68.5 MB). Peak memory consumption was 87.9 MB. Max. memory is 50.3 GB. 13.20/6.68 [2019-03-28 12:10:19,861 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.2 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.20/6.68 [2019-03-28 12:10:19,861 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.68 ms. Allocated memory is still 649.6 MB. Free memory was 558.7 MB in the beginning and 549.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 13.20/6.68 [2019-03-28 12:10:19,862 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.24 ms. Allocated memory was 649.6 MB in the beginning and 669.0 MB in the end (delta: 19.4 MB). Free memory was 549.2 MB in the beginning and 635.5 MB in the end (delta: -86.2 MB). Peak memory consumption was 21.9 MB. Max. memory is 50.3 GB. 13.20/6.68 [2019-03-28 12:10:19,863 INFO L168 Benchmark]: Boogie Preprocessor took 19.24 ms. Allocated memory is still 669.0 MB. Free memory was 635.5 MB in the beginning and 632.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 13.20/6.68 [2019-03-28 12:10:19,864 INFO L168 Benchmark]: RCFGBuilder took 194.35 ms. Allocated memory is still 669.0 MB. Free memory was 632.3 MB in the beginning and 618.0 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 50.3 GB. 13.20/6.68 [2019-03-28 12:10:19,864 INFO L168 Benchmark]: BlockEncodingV2 took 77.13 ms. Allocated memory is still 669.0 MB. Free memory was 618.0 MB in the beginning and 612.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.20/6.68 [2019-03-28 12:10:19,865 INFO L168 Benchmark]: TraceAbstraction took 149.28 ms. Allocated memory is still 669.0 MB. Free memory was 612.7 MB in the beginning and 603.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 13.20/6.68 [2019-03-28 12:10:19,865 INFO L168 Benchmark]: BuchiAutomizer took 1606.79 ms. Allocated memory is still 669.0 MB. Free memory was 603.2 MB in the beginning and 490.1 MB in the end (delta: 113.0 MB). Peak memory consumption was 113.0 MB. Max. memory is 50.3 GB. 13.20/6.68 [2019-03-28 12:10:19,870 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 13.20/6.68 --- Results --- 13.20/6.68 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 13.20/6.68 - StatisticsResult: Initial Icfg 13.20/6.68 9 locations, 12 edges 13.20/6.68 - StatisticsResult: Encoded RCFG 13.20/6.68 3 locations, 4 edges 13.20/6.68 * Results from de.uni_freiburg.informatik.ultimate.core: 13.20/6.68 - StatisticsResult: Toolchain Benchmarks 13.20/6.68 Benchmark results are: 13.20/6.68 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.2 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.20/6.68 * CACSL2BoogieTranslator took 226.68 ms. Allocated memory is still 649.6 MB. Free memory was 558.7 MB in the beginning and 549.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 13.20/6.68 * Boogie Procedure Inliner took 93.24 ms. Allocated memory was 649.6 MB in the beginning and 669.0 MB in the end (delta: 19.4 MB). Free memory was 549.2 MB in the beginning and 635.5 MB in the end (delta: -86.2 MB). Peak memory consumption was 21.9 MB. Max. memory is 50.3 GB. 13.20/6.68 * Boogie Preprocessor took 19.24 ms. Allocated memory is still 669.0 MB. Free memory was 635.5 MB in the beginning and 632.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 13.20/6.68 * RCFGBuilder took 194.35 ms. Allocated memory is still 669.0 MB. Free memory was 632.3 MB in the beginning and 618.0 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 50.3 GB. 13.20/6.68 * BlockEncodingV2 took 77.13 ms. Allocated memory is still 669.0 MB. Free memory was 618.0 MB in the beginning and 612.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.20/6.68 * TraceAbstraction took 149.28 ms. Allocated memory is still 669.0 MB. Free memory was 612.7 MB in the beginning and 603.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 13.20/6.68 * BuchiAutomizer took 1606.79 ms. Allocated memory is still 669.0 MB. Free memory was 603.2 MB in the beginning and 490.1 MB in the end (delta: 113.0 MB). Peak memory consumption was 113.0 MB. Max. memory is 50.3 GB. 13.20/6.68 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 13.20/6.68 - AllSpecificationsHoldResult: All specifications hold 13.20/6.68 We were not able to verify any specifiation because the program does not contain any specification. 13.20/6.68 - InvariantResult [Line: 7]: Loop Invariant 13.20/6.68 Derived loop invariant: 1 13.20/6.68 - InvariantResult [Line: 6]: Loop Invariant 13.20/6.68 Derived loop invariant: 1 13.20/6.68 - StatisticsResult: Ultimate Automizer benchmark data 13.20/6.68 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 13.20/6.68 - StatisticsResult: Constructed decomposition of program 13.20/6.68 Your program was decomposed into 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function x + -1 * z and consists of 3 locations. One nondeterministic module has affine ranking function y + -1 * z and consists of 3 locations. 13.20/6.68 - StatisticsResult: Timing statistics 13.20/6.68 BüchiAutomizer plugin needed 1.5s 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: 8 SDtfs, 13 SDslu, 0 SDs, 0 SdLazy, 12 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 ax100 hnf100 lsp69 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp100 dnf100 smp100 tf112 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s 13.20/6.68 - TerminationAnalysisResult: Termination proven 13.20/6.68 Buchi Automizer proved that your program is terminating 13.20/6.68 RESULT: Ultimate proved your program to be correct! 13.20/6.68 !SESSION 2019-03-28 12:10:14.374 ----------------------------------------------- 13.20/6.68 eclipse.buildId=unknown 13.20/6.68 java.version=1.8.0_144 13.20/6.68 java.vendor=Oracle Corporation 13.20/6.68 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 13.20/6.68 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 13.20/6.68 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 13.20/6.68 13.20/6.68 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:10:20.102 13.20/6.68 !MESSAGE The workspace will exit with unsaved changes in this session. 13.20/6.68 Received shutdown request... 13.20/6.68 Ultimate: 13.20/6.68 GTK+ Version Check 13.20/6.68 EOF