17.47/7.74 NO 17.47/7.74 17.47/7.74 Ultimate: Cannot open display: 17.47/7.74 This is Ultimate 0.1.24-8dc7c08-m 17.47/7.74 [2019-03-28 22:57:30,565 INFO L170 SettingsManager]: Resetting all preferences to default values... 17.47/7.74 [2019-03-28 22:57:30,567 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 17.47/7.74 [2019-03-28 22:57:30,579 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 17.47/7.74 [2019-03-28 22:57:30,579 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 17.47/7.74 [2019-03-28 22:57:30,580 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 17.47/7.74 [2019-03-28 22:57:30,581 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 17.47/7.74 [2019-03-28 22:57:30,583 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 17.47/7.74 [2019-03-28 22:57:30,584 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 17.47/7.74 [2019-03-28 22:57:30,585 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 17.47/7.74 [2019-03-28 22:57:30,586 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 17.47/7.74 [2019-03-28 22:57:30,586 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 17.47/7.74 [2019-03-28 22:57:30,587 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 17.47/7.74 [2019-03-28 22:57:30,588 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 17.47/7.74 [2019-03-28 22:57:30,589 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 17.47/7.74 [2019-03-28 22:57:30,590 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 17.47/7.74 [2019-03-28 22:57:30,591 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 17.47/7.74 [2019-03-28 22:57:30,592 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 17.47/7.74 [2019-03-28 22:57:30,594 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 17.47/7.74 [2019-03-28 22:57:30,596 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 17.47/7.74 [2019-03-28 22:57:30,596 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 17.47/7.74 [2019-03-28 22:57:30,598 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 17.47/7.74 [2019-03-28 22:57:30,600 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 17.47/7.74 [2019-03-28 22:57:30,600 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 17.47/7.74 [2019-03-28 22:57:30,600 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 17.47/7.74 [2019-03-28 22:57:30,601 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 17.47/7.74 [2019-03-28 22:57:30,601 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 17.47/7.74 [2019-03-28 22:57:30,602 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 17.47/7.74 [2019-03-28 22:57:30,602 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 17.47/7.74 [2019-03-28 22:57:30,603 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 17.47/7.74 [2019-03-28 22:57:30,604 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 17.47/7.74 [2019-03-28 22:57:30,605 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 17.47/7.74 [2019-03-28 22:57:30,606 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 17.47/7.74 [2019-03-28 22:57:30,606 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 17.47/7.74 [2019-03-28 22:57:30,606 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 17.47/7.74 [2019-03-28 22:57:30,607 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 17.47/7.74 [2019-03-28 22:57:30,607 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 17.47/7.74 [2019-03-28 22:57:30,608 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 17.47/7.74 [2019-03-28 22:57:30,608 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 17.47/7.74 [2019-03-28 22:57:30,609 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 17.47/7.74 [2019-03-28 22:57:30,623 INFO L110 SettingsManager]: Loading preferences was successful 17.47/7.74 [2019-03-28 22:57:30,624 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 17.47/7.74 [2019-03-28 22:57:30,625 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 17.47/7.74 [2019-03-28 22:57:30,625 INFO L133 SettingsManager]: * Rewrite not-equals=true 17.47/7.74 [2019-03-28 22:57:30,625 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 17.47/7.74 [2019-03-28 22:57:30,625 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 17.47/7.74 [2019-03-28 22:57:30,625 INFO L133 SettingsManager]: * Use SBE=true 17.47/7.74 [2019-03-28 22:57:30,626 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 17.47/7.74 [2019-03-28 22:57:30,626 INFO L133 SettingsManager]: * Use old map elimination=false 17.47/7.74 [2019-03-28 22:57:30,626 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 17.47/7.74 [2019-03-28 22:57:30,626 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 17.47/7.74 [2019-03-28 22:57:30,626 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 17.47/7.74 [2019-03-28 22:57:30,627 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 17.47/7.74 [2019-03-28 22:57:30,627 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 17.47/7.74 [2019-03-28 22:57:30,627 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.47/7.74 [2019-03-28 22:57:30,627 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 17.47/7.74 [2019-03-28 22:57:30,627 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 17.47/7.74 [2019-03-28 22:57:30,628 INFO L133 SettingsManager]: * Check division by zero=IGNORE 17.47/7.74 [2019-03-28 22:57:30,628 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 17.47/7.74 [2019-03-28 22:57:30,628 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 17.47/7.74 [2019-03-28 22:57:30,628 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 17.47/7.74 [2019-03-28 22:57:30,628 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 17.47/7.74 [2019-03-28 22:57:30,629 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 17.47/7.74 [2019-03-28 22:57:30,629 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 17.47/7.74 [2019-03-28 22:57:30,629 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 17.47/7.74 [2019-03-28 22:57:30,629 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 17.47/7.74 [2019-03-28 22:57:30,629 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 17.47/7.74 [2019-03-28 22:57:30,630 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 17.47/7.74 [2019-03-28 22:57:30,630 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 17.47/7.74 [2019-03-28 22:57:30,655 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 17.47/7.74 [2019-03-28 22:57:30,668 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 17.47/7.74 [2019-03-28 22:57:30,671 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 17.47/7.74 [2019-03-28 22:57:30,673 INFO L271 PluginConnector]: Initializing CDTParser... 17.47/7.74 [2019-03-28 22:57:30,673 INFO L276 PluginConnector]: CDTParser initialized 17.47/7.74 [2019-03-28 22:57:30,674 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 17.47/7.74 [2019-03-28 22:57:30,731 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/72103bc36e4549c1bea60a7927b3982a/FLAG4a0f55ad1 17.47/7.74 [2019-03-28 22:57:31,065 INFO L307 CDTParser]: Found 1 translation units. 17.47/7.74 [2019-03-28 22:57:31,066 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 17.47/7.74 [2019-03-28 22:57:31,072 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/72103bc36e4549c1bea60a7927b3982a/FLAG4a0f55ad1 17.47/7.74 [2019-03-28 22:57:31,468 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/72103bc36e4549c1bea60a7927b3982a 17.47/7.74 [2019-03-28 22:57:31,480 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 17.47/7.74 [2019-03-28 22:57:31,481 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 17.47/7.74 [2019-03-28 22:57:31,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 17.47/7.74 [2019-03-28 22:57:31,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 17.47/7.74 [2019-03-28 22:57:31,486 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 17.47/7.74 [2019-03-28 22:57:31,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:57:31" (1/1) ... 17.47/7.74 [2019-03-28 22:57:31,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61d40edc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:57:31, skipping insertion in model container 17.47/7.74 [2019-03-28 22:57:31,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:57:31" (1/1) ... 17.47/7.74 [2019-03-28 22:57:31,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 17.47/7.74 [2019-03-28 22:57:31,516 INFO L176 MainTranslator]: Built tables and reachable declarations 17.47/7.74 [2019-03-28 22:57:31,672 INFO L206 PostProcessor]: Analyzing one entry point: main 17.47/7.74 [2019-03-28 22:57:31,678 INFO L191 MainTranslator]: Completed pre-run 17.47/7.74 [2019-03-28 22:57:31,694 INFO L206 PostProcessor]: Analyzing one entry point: main 17.47/7.74 [2019-03-28 22:57:31,709 INFO L195 MainTranslator]: Completed translation 17.47/7.74 [2019-03-28 22:57:31,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:57:31 WrapperNode 17.47/7.74 [2019-03-28 22:57:31,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 17.47/7.74 [2019-03-28 22:57:31,710 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 17.47/7.74 [2019-03-28 22:57:31,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 17.47/7.74 [2019-03-28 22:57:31,711 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 17.47/7.74 [2019-03-28 22:57:31,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:57:31" (1/1) ... 17.47/7.74 [2019-03-28 22:57:31,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:57:31" (1/1) ... 17.47/7.74 [2019-03-28 22:57:31,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 17.47/7.74 [2019-03-28 22:57:31,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 17.47/7.74 [2019-03-28 22:57:31,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 17.47/7.74 [2019-03-28 22:57:31,813 INFO L276 PluginConnector]: Boogie Preprocessor initialized 17.47/7.74 [2019-03-28 22:57:31,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:57:31" (1/1) ... 17.47/7.74 [2019-03-28 22:57:31,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:57:31" (1/1) ... 17.47/7.74 [2019-03-28 22:57:31,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:57:31" (1/1) ... 17.47/7.74 [2019-03-28 22:57:31,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:57:31" (1/1) ... 17.47/7.74 [2019-03-28 22:57:31,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:57:31" (1/1) ... 17.47/7.74 [2019-03-28 22:57:31,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:57:31" (1/1) ... 17.47/7.74 [2019-03-28 22:57:31,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:57:31" (1/1) ... 17.47/7.74 [2019-03-28 22:57:31,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 17.47/7.74 [2019-03-28 22:57:31,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 17.47/7.74 [2019-03-28 22:57:31,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... 17.47/7.74 [2019-03-28 22:57:31,832 INFO L276 PluginConnector]: RCFGBuilder initialized 17.47/7.74 [2019-03-28 22:57:31,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:57:31" (1/1) ... 17.47/7.74 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.47/7.74 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 17.47/7.74 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 17.47/7.74 [2019-03-28 22:57:31,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 17.47/7.74 [2019-03-28 22:57:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 17.47/7.74 [2019-03-28 22:57:32,013 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 17.47/7.74 [2019-03-28 22:57:32,014 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 17.47/7.74 [2019-03-28 22:57:32,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:57:32 BoogieIcfgContainer 17.47/7.74 [2019-03-28 22:57:32,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 17.47/7.74 [2019-03-28 22:57:32,016 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 17.47/7.74 [2019-03-28 22:57:32,016 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 17.47/7.74 [2019-03-28 22:57:32,018 INFO L276 PluginConnector]: BlockEncodingV2 initialized 17.47/7.74 [2019-03-28 22:57:32,018 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:57:32" (1/1) ... 17.47/7.74 [2019-03-28 22:57:32,032 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 17.47/7.74 [2019-03-28 22:57:32,033 INFO L258 BlockEncoder]: Using Remove infeasible edges 17.47/7.74 [2019-03-28 22:57:32,034 INFO L263 BlockEncoder]: Using Maximize final states 17.47/7.74 [2019-03-28 22:57:32,035 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 17.47/7.74 [2019-03-28 22:57:32,035 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 17.47/7.74 [2019-03-28 22:57:32,037 INFO L296 BlockEncoder]: Using Remove sink states 17.47/7.74 [2019-03-28 22:57:32,038 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 17.47/7.74 [2019-03-28 22:57:32,038 INFO L179 BlockEncoder]: Using Rewrite not-equals 17.47/7.74 [2019-03-28 22:57:32,051 INFO L185 BlockEncoder]: Using Use SBE 17.47/7.74 [2019-03-28 22:57:32,060 INFO L200 BlockEncoder]: SBE split 0 edges 17.47/7.74 [2019-03-28 22:57:32,065 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 17.47/7.74 [2019-03-28 22:57:32,067 INFO L71 MaximizeFinalStates]: 0 new accepting states 17.47/7.74 [2019-03-28 22:57:32,080 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 17.47/7.74 [2019-03-28 22:57:32,083 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 17.47/7.74 [2019-03-28 22:57:32,084 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 17.47/7.74 [2019-03-28 22:57:32,084 INFO L71 MaximizeFinalStates]: 0 new accepting states 17.47/7.74 [2019-03-28 22:57:32,084 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 17.47/7.74 [2019-03-28 22:57:32,085 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 17.47/7.74 [2019-03-28 22:57:32,085 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 17.47/7.74 [2019-03-28 22:57:32,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:57:32 BasicIcfg 17.47/7.74 [2019-03-28 22:57:32,086 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 17.47/7.74 [2019-03-28 22:57:32,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 17.47/7.74 [2019-03-28 22:57:32,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... 17.47/7.74 [2019-03-28 22:57:32,090 INFO L276 PluginConnector]: TraceAbstraction initialized 17.47/7.74 [2019-03-28 22:57:32,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:57:31" (1/4) ... 17.47/7.74 [2019-03-28 22:57:32,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1038d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:57:32, skipping insertion in model container 17.47/7.74 [2019-03-28 22:57:32,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:57:31" (2/4) ... 17.47/7.74 [2019-03-28 22:57:32,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1038d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:57:32, skipping insertion in model container 17.47/7.74 [2019-03-28 22:57:32,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:57:32" (3/4) ... 17.47/7.74 [2019-03-28 22:57:32,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1038d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:57:32, skipping insertion in model container 17.47/7.74 [2019-03-28 22:57:32,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:57:32" (4/4) ... 17.47/7.74 [2019-03-28 22:57:32,094 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 17.47/7.74 [2019-03-28 22:57:32,104 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 17.47/7.74 [2019-03-28 22:57:32,111 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 17.47/7.74 [2019-03-28 22:57:32,128 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 17.47/7.74 [2019-03-28 22:57:32,156 INFO L133 ementStrategyFactory]: Using default assertion order modulation 17.47/7.74 [2019-03-28 22:57:32,157 INFO L382 AbstractCegarLoop]: Interprodecural is true 17.47/7.74 [2019-03-28 22:57:32,157 INFO L383 AbstractCegarLoop]: Hoare is true 17.47/7.74 [2019-03-28 22:57:32,157 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 17.47/7.74 [2019-03-28 22:57:32,158 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 17.47/7.74 [2019-03-28 22:57:32,158 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 17.47/7.74 [2019-03-28 22:57:32,158 INFO L387 AbstractCegarLoop]: Difference is false 17.47/7.74 [2019-03-28 22:57:32,158 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 17.47/7.74 [2019-03-28 22:57:32,158 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 17.47/7.74 [2019-03-28 22:57:32,172 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 17.47/7.74 [2019-03-28 22:57:32,178 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 17.47/7.74 [2019-03-28 22:57:32,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 17.47/7.74 [2019-03-28 22:57:32,231 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 17.47/7.74 [2019-03-28 22:57:32,232 INFO L448 ceAbstractionStarter]: For program point L10(lines 10 11) no Hoare annotation was computed. 17.47/7.74 [2019-03-28 22:57:32,232 INFO L451 ceAbstractionStarter]: At program point L10-2(lines 9 12) the Hoare annotation is: true 17.47/7.74 [2019-03-28 22:57:32,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:57:32 BasicIcfg 17.47/7.74 [2019-03-28 22:57:32,240 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 17.47/7.74 [2019-03-28 22:57:32,241 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 17.47/7.74 [2019-03-28 22:57:32,241 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 17.47/7.74 [2019-03-28 22:57:32,244 INFO L276 PluginConnector]: BuchiAutomizer initialized 17.47/7.74 [2019-03-28 22:57:32,245 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.47/7.74 [2019-03-28 22:57:32,245 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:57:31" (1/5) ... 17.47/7.74 [2019-03-28 22:57:32,246 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e18b115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:57:32, skipping insertion in model container 17.47/7.74 [2019-03-28 22:57:32,246 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.47/7.74 [2019-03-28 22:57:32,246 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:57:31" (2/5) ... 17.47/7.74 [2019-03-28 22:57:32,246 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e18b115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:57:32, skipping insertion in model container 17.47/7.74 [2019-03-28 22:57:32,247 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.47/7.74 [2019-03-28 22:57:32,247 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:57:32" (3/5) ... 17.47/7.74 [2019-03-28 22:57:32,247 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e18b115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:57:32, skipping insertion in model container 17.47/7.74 [2019-03-28 22:57:32,247 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.47/7.74 [2019-03-28 22:57:32,248 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:57:32" (4/5) ... 17.47/7.74 [2019-03-28 22:57:32,248 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e18b115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:57:32, skipping insertion in model container 17.47/7.74 [2019-03-28 22:57:32,248 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.47/7.74 [2019-03-28 22:57:32,248 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:57:32" (5/5) ... 17.47/7.74 [2019-03-28 22:57:32,250 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 17.47/7.74 [2019-03-28 22:57:32,278 INFO L133 ementStrategyFactory]: Using default assertion order modulation 17.47/7.74 [2019-03-28 22:57:32,278 INFO L374 BuchiCegarLoop]: Interprodecural is true 17.47/7.74 [2019-03-28 22:57:32,278 INFO L375 BuchiCegarLoop]: Hoare is true 17.47/7.74 [2019-03-28 22:57:32,279 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 17.47/7.74 [2019-03-28 22:57:32,279 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 17.47/7.74 [2019-03-28 22:57:32,279 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 17.47/7.74 [2019-03-28 22:57:32,279 INFO L379 BuchiCegarLoop]: Difference is false 17.47/7.74 [2019-03-28 22:57:32,279 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 17.47/7.74 [2019-03-28 22:57:32,279 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 17.47/7.74 [2019-03-28 22:57:32,283 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 17.47/7.74 [2019-03-28 22:57:32,301 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 17.47/7.74 [2019-03-28 22:57:32,301 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.47/7.74 [2019-03-28 22:57:32,302 INFO L119 BuchiIsEmpty]: Starting construction of run 17.47/7.74 [2019-03-28 22:57:32,308 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 17.47/7.74 [2019-03-28 22:57:32,309 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 17.47/7.74 [2019-03-28 22:57:32,309 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 17.47/7.74 [2019-03-28 22:57:32,309 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 17.47/7.74 [2019-03-28 22:57:32,309 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 17.47/7.74 [2019-03-28 22:57:32,310 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.47/7.74 [2019-03-28 22:57:32,310 INFO L119 BuchiIsEmpty]: Starting construction of run 17.47/7.74 [2019-03-28 22:57:32,310 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 17.47/7.74 [2019-03-28 22:57:32,310 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 17.47/7.74 [2019-03-28 22:57:32,315 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [26] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 0) InVars {} OutVars{ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 5#L10-2true 17.47/7.74 [2019-03-28 22:57:32,316 INFO L796 eck$LassoCheckResult]: Loop: 5#L10-2true [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 3#L10true [34] L10-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_10 49) (>= v_ULTIMATE.start_main_~i~0_11 50)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 5#L10-2true 17.47/7.74 [2019-03-28 22:57:32,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.47/7.74 [2019-03-28 22:57:32,322 INFO L82 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times 17.47/7.74 [2019-03-28 22:57:32,324 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.47/7.74 [2019-03-28 22:57:32,324 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.47/7.74 [2019-03-28 22:57:32,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:32,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:32,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.47/7.74 [2019-03-28 22:57:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.47/7.74 [2019-03-28 22:57:32,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.47/7.74 [2019-03-28 22:57:32,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1925, now seen corresponding path program 1 times 17.47/7.74 [2019-03-28 22:57:32,395 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.47/7.74 [2019-03-28 22:57:32,395 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.47/7.74 [2019-03-28 22:57:32,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:32,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:32,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.47/7.74 [2019-03-28 22:57:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.47/7.74 [2019-03-28 22:57:32,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.47/7.74 [2019-03-28 22:57:32,406 INFO L82 PathProgramCache]: Analyzing trace with hash 55741, now seen corresponding path program 1 times 17.47/7.74 [2019-03-28 22:57:32,406 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.47/7.74 [2019-03-28 22:57:32,406 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.47/7.74 [2019-03-28 22:57:32,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:32,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:32,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.47/7.74 [2019-03-28 22:57:32,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.47/7.74 [2019-03-28 22:57:32,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 17.47/7.74 [2019-03-28 22:57:32,455 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 17.47/7.74 [2019-03-28 22:57:32,491 INFO L216 LassoAnalysis]: Preferences: 17.47/7.74 [2019-03-28 22:57:32,492 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.47/7.74 [2019-03-28 22:57:32,492 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.47/7.74 [2019-03-28 22:57:32,492 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.47/7.74 [2019-03-28 22:57:32,492 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.47/7.74 [2019-03-28 22:57:32,493 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.47/7.74 [2019-03-28 22:57:32,493 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.47/7.74 [2019-03-28 22:57:32,493 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.47/7.74 [2019-03-28 22:57:32,493 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 17.47/7.74 [2019-03-28 22:57:32,493 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.47/7.74 [2019-03-28 22:57:32,494 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.47/7.74 [2019-03-28 22:57:32,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.47/7.74 [2019-03-28 22:57:32,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.47/7.74 [2019-03-28 22:57:32,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.47/7.74 [2019-03-28 22:57:32,603 INFO L300 LassoAnalysis]: Preprocessing complete. 17.47/7.74 [2019-03-28 22:57:32,603 INFO L412 LassoAnalysis]: Checking for nontermination... 17.47/7.74 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.47/7.74 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.47/7.74 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.47/7.74 [2019-03-28 22:57:32,609 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.47/7.74 [2019-03-28 22:57:32,610 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.47/7.74 [2019-03-28 22:57:32,642 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.47/7.74 [2019-03-28 22:57:32,642 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: [] 17.47/7.74 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.47/7.74 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.47/7.74 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.47/7.74 [2019-03-28 22:57:32,648 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.47/7.74 [2019-03-28 22:57:32,649 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.47/7.74 [2019-03-28 22:57:32,676 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.47/7.74 [2019-03-28 22:57:32,676 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: [] 17.47/7.74 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.47/7.74 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.47/7.74 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.47/7.74 [2019-03-28 22:57:32,681 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.47/7.74 [2019-03-28 22:57:32,681 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.47/7.74 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.47/7.74 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.47/7.74 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.47/7.74 [2019-03-28 22:57:32,715 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.47/7.74 [2019-03-28 22:57:32,716 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.47/7.74 [2019-03-28 22:57:32,722 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.47/7.74 [2019-03-28 22:57:32,747 INFO L216 LassoAnalysis]: Preferences: 17.47/7.74 [2019-03-28 22:57:32,747 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.47/7.74 [2019-03-28 22:57:32,748 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.47/7.74 [2019-03-28 22:57:32,748 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.47/7.74 [2019-03-28 22:57:32,748 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.47/7.74 [2019-03-28 22:57:32,748 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.47/7.74 [2019-03-28 22:57:32,748 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.47/7.74 [2019-03-28 22:57:32,748 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.47/7.74 [2019-03-28 22:57:32,748 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 17.47/7.74 [2019-03-28 22:57:32,749 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.47/7.74 [2019-03-28 22:57:32,749 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.47/7.74 [2019-03-28 22:57:32,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.47/7.74 [2019-03-28 22:57:32,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.47/7.74 [2019-03-28 22:57:32,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.47/7.74 [2019-03-28 22:57:32,837 INFO L300 LassoAnalysis]: Preprocessing complete. 17.47/7.74 [2019-03-28 22:57:32,842 INFO L497 LassoAnalysis]: Using template 'affine'. 17.47/7.74 [2019-03-28 22:57:32,844 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.74 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.74 Number of strict supporting invariants: 0 17.47/7.74 Number of non-strict supporting invariants: 1 17.47/7.74 Consider only non-deceasing supporting invariants: true 17.47/7.74 Simplify termination arguments: true 17.47/7.74 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.74 [2019-03-28 22:57:32,846 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.47/7.74 [2019-03-28 22:57:32,846 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.47/7.74 [2019-03-28 22:57:32,847 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.74 [2019-03-28 22:57:32,847 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.74 [2019-03-28 22:57:32,847 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.47/7.74 [2019-03-28 22:57:32,850 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.47/7.74 [2019-03-28 22:57:32,850 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.47/7.74 [2019-03-28 22:57:32,860 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.47/7.74 [2019-03-28 22:57:32,865 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 17.47/7.74 [2019-03-28 22:57:32,866 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 17.47/7.74 [2019-03-28 22:57:32,868 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.47/7.74 [2019-03-28 22:57:32,868 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.47/7.74 [2019-03-28 22:57:32,869 INFO L518 LassoAnalysis]: Proved termination. 17.47/7.74 [2019-03-28 22:57:32,869 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.47/7.74 Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 17.47/7.74 Supporting invariants [] 17.47/7.74 [2019-03-28 22:57:32,871 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.47/7.74 [2019-03-28 22:57:32,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.47/7.74 [2019-03-28 22:57:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.47/7.74 [2019-03-28 22:57:32,905 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core 17.47/7.74 [2019-03-28 22:57:32,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.47/7.74 [2019-03-28 22:57:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.47/7.74 [2019-03-28 22:57:32,915 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 17.47/7.74 [2019-03-28 22:57:32,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.47/7.74 [2019-03-28 22:57:32,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.47/7.74 [2019-03-28 22:57:32,929 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 17.47/7.74 [2019-03-28 22:57:32,934 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 17.47/7.74 [2019-03-28 22:57:32,936 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 17.47/7.74 [2019-03-28 22:57:32,971 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 7 states and 10 transitions. Complement of second has 4 states. 17.47/7.74 [2019-03-28 22:57:32,971 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 17.47/7.74 [2019-03-28 22:57:32,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 17.47/7.74 [2019-03-28 22:57:32,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. 17.47/7.74 [2019-03-28 22:57:32,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 1 letters. Loop has 2 letters. 17.47/7.74 [2019-03-28 22:57:32,977 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.47/7.74 [2019-03-28 22:57:32,977 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 2 letters. 17.47/7.74 [2019-03-28 22:57:32,977 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.47/7.74 [2019-03-28 22:57:32,978 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 1 letters. Loop has 4 letters. 17.47/7.74 [2019-03-28 22:57:32,978 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.47/7.74 [2019-03-28 22:57:32,983 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 10 transitions. 17.47/7.74 [2019-03-28 22:57:32,984 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 17.47/7.74 [2019-03-28 22:57:32,988 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 10 transitions. 17.47/7.74 [2019-03-28 22:57:32,989 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 17.47/7.74 [2019-03-28 22:57:32,989 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 17.47/7.74 [2019-03-28 22:57:32,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. 17.47/7.74 [2019-03-28 22:57:32,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.47/7.74 [2019-03-28 22:57:32,990 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 17.47/7.74 [2019-03-28 22:57:33,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. 17.47/7.74 [2019-03-28 22:57:33,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. 17.47/7.74 [2019-03-28 22:57:33,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 17.47/7.74 [2019-03-28 22:57:33,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. 17.47/7.74 [2019-03-28 22:57:33,019 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 17.47/7.74 [2019-03-28 22:57:33,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 17.47/7.74 [2019-03-28 22:57:33,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 17.47/7.74 [2019-03-28 22:57:33,023 INFO L87 Difference]: Start difference. First operand 7 states and 10 transitions. Second operand 3 states. 17.47/7.74 [2019-03-28 22:57:33,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 17.47/7.74 [2019-03-28 22:57:33,036 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. 17.47/7.74 [2019-03-28 22:57:33,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 17.47/7.74 [2019-03-28 22:57:33,038 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 7 transitions. 17.47/7.74 [2019-03-28 22:57:33,039 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 17.47/7.74 [2019-03-28 22:57:33,039 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 5 states and 6 transitions. 17.47/7.74 [2019-03-28 22:57:33,039 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 17.47/7.74 [2019-03-28 22:57:33,039 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 17.47/7.74 [2019-03-28 22:57:33,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 6 transitions. 17.47/7.74 [2019-03-28 22:57:33,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 17.47/7.74 [2019-03-28 22:57:33,040 INFO L706 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. 17.47/7.74 [2019-03-28 22:57:33,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 6 transitions. 17.47/7.74 [2019-03-28 22:57:33,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. 17.47/7.74 [2019-03-28 22:57:33,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 17.47/7.74 [2019-03-28 22:57:33,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. 17.47/7.74 [2019-03-28 22:57:33,041 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. 17.47/7.74 [2019-03-28 22:57:33,042 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. 17.47/7.74 [2019-03-28 22:57:33,042 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 17.47/7.74 [2019-03-28 22:57:33,042 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 6 transitions. 17.47/7.74 [2019-03-28 22:57:33,042 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 17.47/7.74 [2019-03-28 22:57:33,042 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.47/7.74 [2019-03-28 22:57:33,043 INFO L119 BuchiIsEmpty]: Starting construction of run 17.47/7.74 [2019-03-28 22:57:33,043 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 17.47/7.74 [2019-03-28 22:57:33,043 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 17.47/7.74 [2019-03-28 22:57:33,060 INFO L794 eck$LassoCheckResult]: Stem: 57#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 0) InVars {} OutVars{ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 58#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 55#L10 [24] L10-->L10-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 50) (= v_ULTIMATE.start_main_~i~0_8 51)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 56#L10-2 17.47/7.74 [2019-03-28 22:57:33,060 INFO L796 eck$LassoCheckResult]: Loop: 56#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 59#L10 [34] L10-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_10 49) (>= v_ULTIMATE.start_main_~i~0_11 50)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 56#L10-2 17.47/7.74 [2019-03-28 22:57:33,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.47/7.74 [2019-03-28 22:57:33,061 INFO L82 PathProgramCache]: Analyzing trace with hash 55731, now seen corresponding path program 1 times 17.47/7.74 [2019-03-28 22:57:33,061 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.47/7.74 [2019-03-28 22:57:33,061 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.47/7.74 [2019-03-28 22:57:33,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:33,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:33,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.47/7.74 [2019-03-28 22:57:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.47/7.74 [2019-03-28 22:57:33,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.47/7.74 [2019-03-28 22:57:33,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1925, now seen corresponding path program 2 times 17.47/7.74 [2019-03-28 22:57:33,068 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.47/7.74 [2019-03-28 22:57:33,068 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.47/7.74 [2019-03-28 22:57:33,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:33,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:33,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.47/7.74 [2019-03-28 22:57:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.47/7.74 [2019-03-28 22:57:33,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.47/7.74 [2019-03-28 22:57:33,074 INFO L82 PathProgramCache]: Analyzing trace with hash 53558455, now seen corresponding path program 1 times 17.47/7.74 [2019-03-28 22:57:33,074 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.47/7.74 [2019-03-28 22:57:33,075 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.47/7.74 [2019-03-28 22:57:33,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:33,076 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:33,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.47/7.74 [2019-03-28 22:57:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.47/7.74 [2019-03-28 22:57:33,096 INFO L216 LassoAnalysis]: Preferences: 17.47/7.74 [2019-03-28 22:57:33,097 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.47/7.74 [2019-03-28 22:57:33,097 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.47/7.74 [2019-03-28 22:57:33,097 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.47/7.74 [2019-03-28 22:57:33,097 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.47/7.74 [2019-03-28 22:57:33,097 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.47/7.74 [2019-03-28 22:57:33,097 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.47/7.74 [2019-03-28 22:57:33,097 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.47/7.74 [2019-03-28 22:57:33,098 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 17.47/7.74 [2019-03-28 22:57:33,098 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.47/7.74 [2019-03-28 22:57:33,098 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.47/7.74 [2019-03-28 22:57:33,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.47/7.74 [2019-03-28 22:57:33,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.47/7.74 [2019-03-28 22:57:33,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.47/7.74 [2019-03-28 22:57:33,161 INFO L300 LassoAnalysis]: Preprocessing complete. 17.47/7.74 [2019-03-28 22:57:33,161 INFO L412 LassoAnalysis]: Checking for nontermination... 17.47/7.74 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.47/7.74 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.47/7.74 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.47/7.74 [2019-03-28 22:57:33,164 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.47/7.74 [2019-03-28 22:57:33,164 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.47/7.74 [2019-03-28 22:57:33,192 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.47/7.74 [2019-03-28 22:57:33,192 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: [] 17.47/7.74 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.47/7.74 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.47/7.74 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.47/7.74 [2019-03-28 22:57:33,197 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.47/7.74 [2019-03-28 22:57:33,198 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.47/7.74 [2019-03-28 22:57:33,225 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.47/7.74 [2019-03-28 22:57:33,225 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: [] 17.47/7.74 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.47/7.74 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.47/7.74 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.47/7.74 [2019-03-28 22:57:33,230 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.47/7.74 [2019-03-28 22:57:33,230 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.47/7.74 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.47/7.74 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.47/7.74 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.47/7.74 [2019-03-28 22:57:33,261 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.47/7.74 [2019-03-28 22:57:33,261 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.47/7.74 [2019-03-28 22:57:33,266 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.47/7.74 [2019-03-28 22:57:33,290 INFO L216 LassoAnalysis]: Preferences: 17.47/7.74 [2019-03-28 22:57:33,291 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.47/7.74 [2019-03-28 22:57:33,291 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.47/7.74 [2019-03-28 22:57:33,291 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.47/7.74 [2019-03-28 22:57:33,291 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.47/7.74 [2019-03-28 22:57:33,291 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.47/7.74 [2019-03-28 22:57:33,291 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.47/7.74 [2019-03-28 22:57:33,292 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.47/7.74 [2019-03-28 22:57:33,292 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 17.47/7.74 [2019-03-28 22:57:33,292 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.47/7.74 [2019-03-28 22:57:33,292 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.47/7.74 [2019-03-28 22:57:33,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.47/7.74 [2019-03-28 22:57:33,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.47/7.74 [2019-03-28 22:57:33,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.47/7.74 [2019-03-28 22:57:33,346 INFO L300 LassoAnalysis]: Preprocessing complete. 17.47/7.74 [2019-03-28 22:57:33,346 INFO L497 LassoAnalysis]: Using template 'affine'. 17.47/7.74 [2019-03-28 22:57:33,347 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.74 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.74 Number of strict supporting invariants: 0 17.47/7.74 Number of non-strict supporting invariants: 1 17.47/7.74 Consider only non-deceasing supporting invariants: true 17.47/7.74 Simplify termination arguments: true 17.47/7.74 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.74 [2019-03-28 22:57:33,347 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.47/7.74 [2019-03-28 22:57:33,348 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.74 [2019-03-28 22:57:33,348 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.74 [2019-03-28 22:57:33,348 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.47/7.74 [2019-03-28 22:57:33,351 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.47/7.74 [2019-03-28 22:57:33,351 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.47/7.74 [2019-03-28 22:57:33,356 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.74 [2019-03-28 22:57:33,356 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.74 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.74 Number of strict supporting invariants: 0 17.47/7.74 Number of non-strict supporting invariants: 1 17.47/7.74 Consider only non-deceasing supporting invariants: true 17.47/7.74 Simplify termination arguments: true 17.47/7.74 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.74 [2019-03-28 22:57:33,357 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.47/7.74 [2019-03-28 22:57:33,357 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.74 [2019-03-28 22:57:33,357 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.74 [2019-03-28 22:57:33,357 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.47/7.74 [2019-03-28 22:57:33,360 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.47/7.74 [2019-03-28 22:57:33,360 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.47/7.74 [2019-03-28 22:57:33,367 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.74 [2019-03-28 22:57:33,367 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.74 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.74 Number of strict supporting invariants: 0 17.47/7.74 Number of non-strict supporting invariants: 1 17.47/7.74 Consider only non-deceasing supporting invariants: true 17.47/7.74 Simplify termination arguments: true 17.47/7.74 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.74 [2019-03-28 22:57:33,368 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.47/7.74 [2019-03-28 22:57:33,368 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.47/7.74 [2019-03-28 22:57:33,368 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.74 [2019-03-28 22:57:33,369 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.74 [2019-03-28 22:57:33,369 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.47/7.74 [2019-03-28 22:57:33,370 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.47/7.74 [2019-03-28 22:57:33,370 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.47/7.74 [2019-03-28 22:57:33,375 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.47/7.74 [2019-03-28 22:57:33,378 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 17.47/7.74 [2019-03-28 22:57:33,379 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 17.47/7.74 [2019-03-28 22:57:33,379 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.47/7.74 [2019-03-28 22:57:33,379 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.47/7.74 [2019-03-28 22:57:33,379 INFO L518 LassoAnalysis]: Proved termination. 17.47/7.74 [2019-03-28 22:57:33,380 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.47/7.74 Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 17.47/7.74 Supporting invariants [] 17.47/7.74 [2019-03-28 22:57:33,380 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.47/7.74 [2019-03-28 22:57:33,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.47/7.74 [2019-03-28 22:57:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.47/7.74 [2019-03-28 22:57:33,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 17.47/7.74 [2019-03-28 22:57:33,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.47/7.74 [2019-03-28 22:57:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.47/7.74 [2019-03-28 22:57:33,414 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 17.47/7.74 [2019-03-28 22:57:33,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.47/7.74 [2019-03-28 22:57:33,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.47/7.74 [2019-03-28 22:57:33,416 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 17.47/7.74 [2019-03-28 22:57:33,416 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 17.47/7.74 [2019-03-28 22:57:33,417 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 6 transitions. cyclomatic complexity: 2 Second operand 3 states. 17.47/7.74 [2019-03-28 22:57:33,427 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 6 transitions. cyclomatic complexity: 2. Second operand 3 states. Result 7 states and 9 transitions. Complement of second has 4 states. 17.47/7.74 [2019-03-28 22:57:33,428 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 17.47/7.74 [2019-03-28 22:57:33,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 17.47/7.74 [2019-03-28 22:57:33,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. 17.47/7.74 [2019-03-28 22:57:33,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 2 letters. 17.47/7.74 [2019-03-28 22:57:33,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.47/7.74 [2019-03-28 22:57:33,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 2 letters. 17.47/7.74 [2019-03-28 22:57:33,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.47/7.74 [2019-03-28 22:57:33,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 4 letters. 17.47/7.74 [2019-03-28 22:57:33,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.47/7.74 [2019-03-28 22:57:33,431 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 9 transitions. 17.47/7.74 [2019-03-28 22:57:33,431 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 17.47/7.74 [2019-03-28 22:57:33,432 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 9 transitions. 17.47/7.74 [2019-03-28 22:57:33,432 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 17.47/7.74 [2019-03-28 22:57:33,432 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 17.47/7.74 [2019-03-28 22:57:33,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 9 transitions. 17.47/7.74 [2019-03-28 22:57:33,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.47/7.74 [2019-03-28 22:57:33,432 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. 17.47/7.74 [2019-03-28 22:57:33,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 9 transitions. 17.47/7.74 [2019-03-28 22:57:33,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. 17.47/7.74 [2019-03-28 22:57:33,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. 17.47/7.74 [2019-03-28 22:57:33,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. 17.47/7.74 [2019-03-28 22:57:33,434 INFO L729 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. 17.47/7.74 [2019-03-28 22:57:33,434 INFO L609 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. 17.47/7.74 [2019-03-28 22:57:33,435 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 17.47/7.74 [2019-03-28 22:57:33,435 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. 17.47/7.74 [2019-03-28 22:57:33,435 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 17.47/7.74 [2019-03-28 22:57:33,435 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.47/7.74 [2019-03-28 22:57:33,435 INFO L119 BuchiIsEmpty]: Starting construction of run 17.47/7.74 [2019-03-28 22:57:33,436 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 17.47/7.74 [2019-03-28 22:57:33,436 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 17.47/7.74 [2019-03-28 22:57:33,436 INFO L794 eck$LassoCheckResult]: Stem: 105#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 0) InVars {} OutVars{ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 106#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 101#L10 17.47/7.74 [2019-03-28 22:57:33,436 INFO L796 eck$LassoCheckResult]: Loop: 101#L10 [24] L10-->L10-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 50) (= v_ULTIMATE.start_main_~i~0_8 51)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 102#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 101#L10 17.47/7.74 [2019-03-28 22:57:33,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.47/7.74 [2019-03-28 22:57:33,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1797, now seen corresponding path program 1 times 17.47/7.74 [2019-03-28 22:57:33,437 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.47/7.74 [2019-03-28 22:57:33,437 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.47/7.74 [2019-03-28 22:57:33,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:33,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:33,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.47/7.74 [2019-03-28 22:57:33,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.47/7.74 [2019-03-28 22:57:33,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.47/7.74 [2019-03-28 22:57:33,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1735, now seen corresponding path program 1 times 17.47/7.74 [2019-03-28 22:57:33,443 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.47/7.74 [2019-03-28 22:57:33,443 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.47/7.74 [2019-03-28 22:57:33,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:33,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:33,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.47/7.74 [2019-03-28 22:57:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.47/7.74 [2019-03-28 22:57:33,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.47/7.74 [2019-03-28 22:57:33,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1727691, now seen corresponding path program 2 times 17.47/7.74 [2019-03-28 22:57:33,449 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.47/7.74 [2019-03-28 22:57:33,450 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.47/7.74 [2019-03-28 22:57:33,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:33,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:33,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.47/7.74 [2019-03-28 22:57:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.47/7.74 [2019-03-28 22:57:33,473 INFO L216 LassoAnalysis]: Preferences: 17.47/7.74 [2019-03-28 22:57:33,473 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.47/7.74 [2019-03-28 22:57:33,473 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.47/7.74 [2019-03-28 22:57:33,474 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.47/7.74 [2019-03-28 22:57:33,474 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.47/7.74 [2019-03-28 22:57:33,474 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.47/7.74 [2019-03-28 22:57:33,474 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.47/7.74 [2019-03-28 22:57:33,474 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.47/7.74 [2019-03-28 22:57:33,474 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 17.47/7.74 [2019-03-28 22:57:33,475 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.47/7.74 [2019-03-28 22:57:33,475 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.47/7.74 [2019-03-28 22:57:33,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.47/7.74 [2019-03-28 22:57:33,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.47/7.74 [2019-03-28 22:57:33,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.47/7.74 [2019-03-28 22:57:33,522 INFO L300 LassoAnalysis]: Preprocessing complete. 17.47/7.74 [2019-03-28 22:57:33,522 INFO L412 LassoAnalysis]: Checking for nontermination... 17.47/7.74 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.47/7.74 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.47/7.74 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.47/7.74 [2019-03-28 22:57:33,527 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.47/7.74 [2019-03-28 22:57:33,527 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.47/7.74 [2019-03-28 22:57:33,555 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.47/7.74 [2019-03-28 22:57:33,555 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.47/7.74 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.47/7.74 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.47/7.74 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.47/7.74 [2019-03-28 22:57:33,562 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.47/7.74 [2019-03-28 22:57:33,562 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.47/7.74 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.47/7.74 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.47/7.74 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.47/7.74 [2019-03-28 22:57:33,596 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.47/7.74 [2019-03-28 22:57:33,596 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.47/7.74 [2019-03-28 22:57:33,664 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.47/7.74 [2019-03-28 22:57:33,666 INFO L216 LassoAnalysis]: Preferences: 17.47/7.74 [2019-03-28 22:57:33,666 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.47/7.74 [2019-03-28 22:57:33,666 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.47/7.74 [2019-03-28 22:57:33,667 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.47/7.74 [2019-03-28 22:57:33,667 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.47/7.74 [2019-03-28 22:57:33,667 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.47/7.74 [2019-03-28 22:57:33,667 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.47/7.74 [2019-03-28 22:57:33,667 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.47/7.74 [2019-03-28 22:57:33,667 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 17.47/7.74 [2019-03-28 22:57:33,667 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.47/7.74 [2019-03-28 22:57:33,668 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.47/7.74 [2019-03-28 22:57:33,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.47/7.74 [2019-03-28 22:57:33,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.47/7.74 [2019-03-28 22:57:33,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.47/7.74 [2019-03-28 22:57:33,724 INFO L300 LassoAnalysis]: Preprocessing complete. 17.47/7.74 [2019-03-28 22:57:33,724 INFO L497 LassoAnalysis]: Using template 'affine'. 17.47/7.74 [2019-03-28 22:57:33,724 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.74 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.74 Number of strict supporting invariants: 0 17.47/7.74 Number of non-strict supporting invariants: 1 17.47/7.74 Consider only non-deceasing supporting invariants: true 17.47/7.74 Simplify termination arguments: true 17.47/7.74 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.74 [2019-03-28 22:57:33,725 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.47/7.74 [2019-03-28 22:57:33,726 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.47/7.74 [2019-03-28 22:57:33,726 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.74 [2019-03-28 22:57:33,726 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.74 [2019-03-28 22:57:33,726 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.47/7.74 [2019-03-28 22:57:33,727 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.47/7.74 [2019-03-28 22:57:33,727 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.47/7.74 [2019-03-28 22:57:33,732 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.47/7.74 [2019-03-28 22:57:33,735 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 17.47/7.74 [2019-03-28 22:57:33,735 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 17.47/7.74 [2019-03-28 22:57:33,736 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.47/7.74 [2019-03-28 22:57:33,737 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.47/7.74 [2019-03-28 22:57:33,737 INFO L518 LassoAnalysis]: Proved termination. 17.47/7.74 [2019-03-28 22:57:33,737 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.47/7.74 Ranking function f(ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~i~0 + 50 17.47/7.74 Supporting invariants [] 17.47/7.74 [2019-03-28 22:57:33,737 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.47/7.74 [2019-03-28 22:57:33,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.47/7.74 [2019-03-28 22:57:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.47/7.74 [2019-03-28 22:57:33,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core 17.47/7.74 [2019-03-28 22:57:33,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.47/7.74 [2019-03-28 22:57:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.47/7.74 [2019-03-28 22:57:33,767 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 17.47/7.74 [2019-03-28 22:57:33,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.47/7.74 [2019-03-28 22:57:33,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.47/7.74 [2019-03-28 22:57:33,810 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 17.47/7.74 [2019-03-28 22:57:33,810 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates 17.47/7.74 [2019-03-28 22:57:33,810 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 6 states and 8 transitions. cyclomatic complexity: 3 Second operand 3 states. 17.47/7.74 [2019-03-28 22:57:33,883 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 6 states and 8 transitions. cyclomatic complexity: 3. Second operand 3 states. Result 18 states and 22 transitions. Complement of second has 10 states. 17.47/7.74 [2019-03-28 22:57:33,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 1 non-accepting loop states 2 accepting loop states 17.47/7.74 [2019-03-28 22:57:33,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 17.47/7.74 [2019-03-28 22:57:33,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. 17.47/7.74 [2019-03-28 22:57:33,885 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. 17.47/7.74 [2019-03-28 22:57:33,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.47/7.74 [2019-03-28 22:57:33,886 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 4 letters. Loop has 2 letters. 17.47/7.74 [2019-03-28 22:57:33,886 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.47/7.74 [2019-03-28 22:57:33,886 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 4 letters. 17.47/7.74 [2019-03-28 22:57:33,887 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.47/7.74 [2019-03-28 22:57:33,888 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. 17.47/7.74 [2019-03-28 22:57:33,889 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 17.47/7.74 [2019-03-28 22:57:33,890 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 7 states and 8 transitions. 17.47/7.74 [2019-03-28 22:57:33,890 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 17.47/7.74 [2019-03-28 22:57:33,890 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 17.47/7.74 [2019-03-28 22:57:33,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. 17.47/7.74 [2019-03-28 22:57:33,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.47/7.74 [2019-03-28 22:57:33,890 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. 17.47/7.74 [2019-03-28 22:57:33,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. 17.47/7.74 [2019-03-28 22:57:33,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. 17.47/7.74 [2019-03-28 22:57:33,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. 17.47/7.74 [2019-03-28 22:57:33,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. 17.47/7.74 [2019-03-28 22:57:33,892 INFO L729 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. 17.47/7.74 [2019-03-28 22:57:33,892 INFO L609 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. 17.47/7.74 [2019-03-28 22:57:33,892 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 17.47/7.74 [2019-03-28 22:57:33,892 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. 17.47/7.74 [2019-03-28 22:57:33,893 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 17.47/7.74 [2019-03-28 22:57:33,893 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.47/7.74 [2019-03-28 22:57:33,893 INFO L119 BuchiIsEmpty]: Starting construction of run 17.47/7.74 [2019-03-28 22:57:33,893 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 17.47/7.74 [2019-03-28 22:57:33,893 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1] 17.47/7.74 [2019-03-28 22:57:33,894 INFO L794 eck$LassoCheckResult]: Stem: 174#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 0) InVars {} OutVars{ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 175#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 170#L10 17.47/7.74 [2019-03-28 22:57:33,894 INFO L796 eck$LassoCheckResult]: Loop: 170#L10 [24] L10-->L10-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 50) (= v_ULTIMATE.start_main_~i~0_8 51)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 171#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 172#L10 [34] L10-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_10 49) (>= v_ULTIMATE.start_main_~i~0_11 50)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 173#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 170#L10 17.47/7.74 [2019-03-28 22:57:33,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.47/7.74 [2019-03-28 22:57:33,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1797, now seen corresponding path program 2 times 17.47/7.74 [2019-03-28 22:57:33,895 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.47/7.74 [2019-03-28 22:57:33,895 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.47/7.74 [2019-03-28 22:57:33,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:33,896 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:33,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.47/7.74 [2019-03-28 22:57:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.47/7.74 [2019-03-28 22:57:33,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.47/7.74 [2019-03-28 22:57:33,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1668419, now seen corresponding path program 1 times 17.47/7.74 [2019-03-28 22:57:33,900 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.47/7.74 [2019-03-28 22:57:33,900 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.47/7.74 [2019-03-28 22:57:33,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:33,902 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:33,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.47/7.74 [2019-03-28 22:57:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.47/7.74 [2019-03-28 22:57:33,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.47/7.74 [2019-03-28 22:57:33,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1660312135, now seen corresponding path program 2 times 17.47/7.74 [2019-03-28 22:57:33,908 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.47/7.74 [2019-03-28 22:57:33,908 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.47/7.74 [2019-03-28 22:57:33,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:33,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:33,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.74 [2019-03-28 22:57:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.47/7.74 [2019-03-28 22:57:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.47/7.74 [2019-03-28 22:57:33,958 INFO L216 LassoAnalysis]: Preferences: 17.47/7.74 [2019-03-28 22:57:33,958 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.47/7.74 [2019-03-28 22:57:33,958 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.47/7.74 [2019-03-28 22:57:33,959 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.47/7.74 [2019-03-28 22:57:33,959 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.47/7.74 [2019-03-28 22:57:33,959 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.47/7.74 [2019-03-28 22:57:33,959 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.47/7.74 [2019-03-28 22:57:33,959 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.47/7.74 [2019-03-28 22:57:33,959 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Lasso 17.47/7.74 [2019-03-28 22:57:33,959 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.47/7.74 [2019-03-28 22:57:33,959 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.47/7.74 [2019-03-28 22:57:33,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.47/7.74 [2019-03-28 22:57:33,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.47/7.74 [2019-03-28 22:57:33,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.47/7.74 [2019-03-28 22:57:33,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.47/7.74 [2019-03-28 22:57:34,014 INFO L300 LassoAnalysis]: Preprocessing complete. 17.47/7.74 [2019-03-28 22:57:34,015 INFO L412 LassoAnalysis]: Checking for nontermination... 17.47/7.74 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.47/7.74 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.47/7.74 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.47/7.74 [2019-03-28 22:57:34,018 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.47/7.74 [2019-03-28 22:57:34,019 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.47/7.74 [2019-03-28 22:57:34,023 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.47/7.74 [2019-03-28 22:57:34,023 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.47/7.74 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.47/7.74 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.47/7.74 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.47/7.74 [2019-03-28 22:57:34,050 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.47/7.74 [2019-03-28 22:57:34,050 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.47/7.74 [2019-03-28 22:57:34,078 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.47/7.74 [2019-03-28 22:57:34,078 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.47/7.74 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.47/7.74 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.47/7.74 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.47/7.74 [2019-03-28 22:57:34,083 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.47/7.74 [2019-03-28 22:57:34,083 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.47/7.74 [2019-03-28 22:57:34,111 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.47/7.74 [2019-03-28 22:57:34,111 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_7=0} Honda state: {v_rep~unnamed0~0~false_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.47/7.74 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.47/7.74 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.47/7.74 Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.47/7.74 [2019-03-28 22:57:34,116 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.47/7.74 [2019-03-28 22:57:34,116 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.47/7.74 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.47/7.74 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.47/7.74 Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.47/7.74 [2019-03-28 22:57:34,147 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.47/7.74 [2019-03-28 22:57:34,147 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.47/7.74 [2019-03-28 22:57:34,177 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.47/7.74 [2019-03-28 22:57:34,180 INFO L216 LassoAnalysis]: Preferences: 17.47/7.74 [2019-03-28 22:57:34,180 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.47/7.74 [2019-03-28 22:57:34,180 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.47/7.74 [2019-03-28 22:57:34,180 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.47/7.74 [2019-03-28 22:57:34,180 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.47/7.74 [2019-03-28 22:57:34,180 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.47/7.74 [2019-03-28 22:57:34,180 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.47/7.74 [2019-03-28 22:57:34,181 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.47/7.74 [2019-03-28 22:57:34,181 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Lasso 17.47/7.74 [2019-03-28 22:57:34,181 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.47/7.74 [2019-03-28 22:57:34,181 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.47/7.74 [2019-03-28 22:57:34,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.47/7.74 [2019-03-28 22:57:34,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.47/7.74 [2019-03-28 22:57:34,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.47/7.74 [2019-03-28 22:57:34,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.47/7.74 [2019-03-28 22:57:34,244 INFO L300 LassoAnalysis]: Preprocessing complete. 17.47/7.74 [2019-03-28 22:57:34,244 INFO L497 LassoAnalysis]: Using template 'affine'. 17.47/7.74 [2019-03-28 22:57:34,244 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.74 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.74 Number of strict supporting invariants: 0 17.47/7.74 Number of non-strict supporting invariants: 1 17.47/7.74 Consider only non-deceasing supporting invariants: true 17.47/7.74 Simplify termination arguments: true 17.47/7.74 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.74 [2019-03-28 22:57:34,245 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.47/7.74 [2019-03-28 22:57:34,245 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.47/7.74 [2019-03-28 22:57:34,245 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.74 [2019-03-28 22:57:34,246 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.74 [2019-03-28 22:57:34,246 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.47/7.74 [2019-03-28 22:57:34,246 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.47/7.74 [2019-03-28 22:57:34,246 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.47/7.74 [2019-03-28 22:57:34,247 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.74 [2019-03-28 22:57:34,247 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.74 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.74 Number of strict supporting invariants: 0 17.47/7.74 Number of non-strict supporting invariants: 1 17.47/7.74 Consider only non-deceasing supporting invariants: true 17.47/7.74 Simplify termination arguments: true 17.47/7.74 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.74 [2019-03-28 22:57:34,248 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.47/7.74 [2019-03-28 22:57:34,248 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.74 [2019-03-28 22:57:34,248 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.74 [2019-03-28 22:57:34,248 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.47/7.74 [2019-03-28 22:57:34,250 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.47/7.74 [2019-03-28 22:57:34,250 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.47/7.74 [2019-03-28 22:57:34,255 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.74 [2019-03-28 22:57:34,256 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.74 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.74 Number of strict supporting invariants: 0 17.47/7.74 Number of non-strict supporting invariants: 1 17.47/7.74 Consider only non-deceasing supporting invariants: true 17.47/7.74 Simplify termination arguments: true 17.47/7.74 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.74 [2019-03-28 22:57:34,256 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.47/7.74 [2019-03-28 22:57:34,256 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.74 [2019-03-28 22:57:34,257 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.74 [2019-03-28 22:57:34,257 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.47/7.74 [2019-03-28 22:57:34,259 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.47/7.74 [2019-03-28 22:57:34,259 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.47/7.74 [2019-03-28 22:57:34,272 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.74 [2019-03-28 22:57:34,272 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.74 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.74 Number of strict supporting invariants: 0 17.47/7.74 Number of non-strict supporting invariants: 1 17.47/7.74 Consider only non-deceasing supporting invariants: true 17.47/7.74 Simplify termination arguments: true 17.47/7.74 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.74 [2019-03-28 22:57:34,273 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.47/7.74 [2019-03-28 22:57:34,273 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.74 [2019-03-28 22:57:34,273 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.74 [2019-03-28 22:57:34,273 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.47/7.74 [2019-03-28 22:57:34,292 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.47/7.74 [2019-03-28 22:57:34,293 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.47/7.74 [2019-03-28 22:57:34,301 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.74 [2019-03-28 22:57:34,301 INFO L497 LassoAnalysis]: Using template '2-nested'. 17.47/7.74 [2019-03-28 22:57:34,302 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.74 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.74 Number of strict supporting invariants: 0 17.47/7.74 Number of non-strict supporting invariants: 1 17.47/7.74 Consider only non-deceasing supporting invariants: true 17.47/7.74 Simplify termination arguments: true 17.47/7.74 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.74 [2019-03-28 22:57:34,303 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.47/7.74 [2019-03-28 22:57:34,303 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.47/7.74 [2019-03-28 22:57:34,303 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.74 [2019-03-28 22:57:34,303 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.74 [2019-03-28 22:57:34,303 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 17.47/7.74 [2019-03-28 22:57:34,304 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. 17.47/7.74 [2019-03-28 22:57:34,304 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.47/7.74 [2019-03-28 22:57:34,305 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.74 [2019-03-28 22:57:34,305 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.74 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.74 Number of strict supporting invariants: 0 17.47/7.74 Number of non-strict supporting invariants: 1 17.47/7.74 Consider only non-deceasing supporting invariants: true 17.47/7.74 Simplify termination arguments: true 17.47/7.74 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.74 [2019-03-28 22:57:34,306 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.47/7.74 [2019-03-28 22:57:34,306 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.74 [2019-03-28 22:57:34,306 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.74 [2019-03-28 22:57:34,306 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 17.47/7.74 [2019-03-28 22:57:34,310 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. 17.47/7.74 [2019-03-28 22:57:34,310 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. 17.47/7.74 [2019-03-28 22:57:34,316 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.74 [2019-03-28 22:57:34,316 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.74 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.74 Number of strict supporting invariants: 0 17.47/7.74 Number of non-strict supporting invariants: 1 17.47/7.74 Consider only non-deceasing supporting invariants: true 17.47/7.74 Simplify termination arguments: true 17.47/7.74 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.74 [2019-03-28 22:57:34,317 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.47/7.74 [2019-03-28 22:57:34,317 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.74 [2019-03-28 22:57:34,317 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.74 [2019-03-28 22:57:34,317 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 17.47/7.74 [2019-03-28 22:57:34,320 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. 17.47/7.74 [2019-03-28 22:57:34,320 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. 17.47/7.74 [2019-03-28 22:57:34,335 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.74 [2019-03-28 22:57:34,336 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.74 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.74 Number of strict supporting invariants: 0 17.47/7.74 Number of non-strict supporting invariants: 1 17.47/7.74 Consider only non-deceasing supporting invariants: true 17.47/7.74 Simplify termination arguments: true 17.47/7.74 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.74 [2019-03-28 22:57:34,336 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.47/7.74 [2019-03-28 22:57:34,337 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.74 [2019-03-28 22:57:34,337 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.74 [2019-03-28 22:57:34,337 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 17.47/7.74 [2019-03-28 22:57:34,339 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. 17.47/7.74 [2019-03-28 22:57:34,339 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. 17.47/7.74 [2019-03-28 22:57:34,341 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.74 [2019-03-28 22:57:34,342 INFO L497 LassoAnalysis]: Using template '3-nested'. 17.47/7.74 [2019-03-28 22:57:34,342 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.74 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.74 Number of strict supporting invariants: 0 17.47/7.74 Number of non-strict supporting invariants: 1 17.47/7.74 Consider only non-deceasing supporting invariants: true 17.47/7.74 Simplify termination arguments: true 17.47/7.74 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.74 [2019-03-28 22:57:34,343 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.47/7.74 [2019-03-28 22:57:34,343 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.47/7.74 [2019-03-28 22:57:34,343 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.74 [2019-03-28 22:57:34,343 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.74 [2019-03-28 22:57:34,343 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. 17.47/7.74 [2019-03-28 22:57:34,344 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. 17.47/7.74 [2019-03-28 22:57:34,344 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.47/7.74 [2019-03-28 22:57:34,345 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.74 [2019-03-28 22:57:34,345 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.74 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.74 Number of strict supporting invariants: 0 17.47/7.74 Number of non-strict supporting invariants: 1 17.47/7.74 Consider only non-deceasing supporting invariants: true 17.47/7.74 Simplify termination arguments: true 17.47/7.74 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.74 [2019-03-28 22:57:34,346 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.47/7.74 [2019-03-28 22:57:34,346 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.74 [2019-03-28 22:57:34,346 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.74 [2019-03-28 22:57:34,346 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. 17.47/7.74 [2019-03-28 22:57:34,348 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. 17.47/7.74 [2019-03-28 22:57:34,348 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. 17.47/7.74 [2019-03-28 22:57:34,355 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.74 [2019-03-28 22:57:34,356 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.74 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.74 Number of strict supporting invariants: 0 17.47/7.74 Number of non-strict supporting invariants: 1 17.47/7.74 Consider only non-deceasing supporting invariants: true 17.47/7.74 Simplify termination arguments: true 17.47/7.74 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.74 [2019-03-28 22:57:34,356 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.47/7.74 [2019-03-28 22:57:34,356 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.74 [2019-03-28 22:57:34,357 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.74 [2019-03-28 22:57:34,357 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. 17.47/7.74 [2019-03-28 22:57:34,359 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. 17.47/7.74 [2019-03-28 22:57:34,359 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. 17.47/7.74 [2019-03-28 22:57:34,375 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.74 [2019-03-28 22:57:34,375 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.74 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.74 Number of strict supporting invariants: 0 17.47/7.74 Number of non-strict supporting invariants: 1 17.47/7.74 Consider only non-deceasing supporting invariants: true 17.47/7.74 Simplify termination arguments: true 17.47/7.74 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.74 [2019-03-28 22:57:34,376 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.47/7.74 [2019-03-28 22:57:34,376 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.74 [2019-03-28 22:57:34,376 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.74 [2019-03-28 22:57:34,376 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. 17.47/7.74 [2019-03-28 22:57:34,378 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. 17.47/7.74 [2019-03-28 22:57:34,378 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. 17.47/7.74 [2019-03-28 22:57:34,382 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.74 [2019-03-28 22:57:34,383 INFO L497 LassoAnalysis]: Using template '4-nested'. 17.47/7.74 [2019-03-28 22:57:34,383 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.74 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.74 Number of strict supporting invariants: 0 17.47/7.74 Number of non-strict supporting invariants: 1 17.47/7.74 Consider only non-deceasing supporting invariants: true 17.47/7.74 Simplify termination arguments: true 17.47/7.74 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.74 [2019-03-28 22:57:34,383 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.47/7.74 [2019-03-28 22:57:34,384 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.47/7.74 [2019-03-28 22:57:34,384 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.74 [2019-03-28 22:57:34,384 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.74 [2019-03-28 22:57:34,384 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. 17.47/7.74 [2019-03-28 22:57:34,385 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. 17.47/7.74 [2019-03-28 22:57:34,385 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.47/7.74 [2019-03-28 22:57:34,385 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.74 [2019-03-28 22:57:34,386 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.74 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.74 Number of strict supporting invariants: 0 17.47/7.74 Number of non-strict supporting invariants: 1 17.47/7.74 Consider only non-deceasing supporting invariants: true 17.47/7.74 Simplify termination arguments: true 17.47/7.74 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.75 [2019-03-28 22:57:34,386 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.47/7.75 [2019-03-28 22:57:34,386 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.75 [2019-03-28 22:57:34,387 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.75 [2019-03-28 22:57:34,387 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. 17.47/7.75 [2019-03-28 22:57:34,389 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. 17.47/7.75 [2019-03-28 22:57:34,389 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. 17.47/7.75 [2019-03-28 22:57:34,396 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.75 [2019-03-28 22:57:34,396 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.75 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.75 Number of strict supporting invariants: 0 17.47/7.75 Number of non-strict supporting invariants: 1 17.47/7.75 Consider only non-deceasing supporting invariants: true 17.47/7.75 Simplify termination arguments: true 17.47/7.75 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.75 [2019-03-28 22:57:34,397 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.47/7.75 [2019-03-28 22:57:34,397 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.75 [2019-03-28 22:57:34,397 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.75 [2019-03-28 22:57:34,397 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. 17.47/7.75 [2019-03-28 22:57:34,400 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. 17.47/7.75 [2019-03-28 22:57:34,400 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. 17.47/7.75 [2019-03-28 22:57:34,416 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.75 [2019-03-28 22:57:34,417 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.75 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.75 Number of strict supporting invariants: 0 17.47/7.75 Number of non-strict supporting invariants: 1 17.47/7.75 Consider only non-deceasing supporting invariants: true 17.47/7.75 Simplify termination arguments: true 17.47/7.75 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.75 [2019-03-28 22:57:34,417 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.47/7.75 [2019-03-28 22:57:34,417 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.75 [2019-03-28 22:57:34,418 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.75 [2019-03-28 22:57:34,418 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. 17.47/7.75 [2019-03-28 22:57:34,420 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. 17.47/7.75 [2019-03-28 22:57:34,420 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. 17.47/7.75 [2019-03-28 22:57:34,424 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.75 [2019-03-28 22:57:34,424 INFO L497 LassoAnalysis]: Using template '2-phase'. 17.47/7.75 [2019-03-28 22:57:34,424 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.75 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.75 Number of strict supporting invariants: 0 17.47/7.75 Number of non-strict supporting invariants: 1 17.47/7.75 Consider only non-deceasing supporting invariants: true 17.47/7.75 Simplify termination arguments: true 17.47/7.75 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.75 [2019-03-28 22:57:34,425 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 17.47/7.75 [2019-03-28 22:57:34,425 INFO L339 nArgumentSynthesizer]: Template has degree 1. 17.47/7.75 [2019-03-28 22:57:34,425 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.47/7.75 [2019-03-28 22:57:34,425 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.75 [2019-03-28 22:57:34,426 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.75 [2019-03-28 22:57:34,426 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 17.47/7.75 [2019-03-28 22:57:34,426 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. 17.47/7.75 [2019-03-28 22:57:34,426 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.47/7.75 [2019-03-28 22:57:34,427 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.75 [2019-03-28 22:57:34,427 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.75 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.75 Number of strict supporting invariants: 0 17.47/7.75 Number of non-strict supporting invariants: 1 17.47/7.75 Consider only non-deceasing supporting invariants: true 17.47/7.75 Simplify termination arguments: true 17.47/7.75 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.75 [2019-03-28 22:57:34,428 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 17.47/7.75 [2019-03-28 22:57:34,428 INFO L339 nArgumentSynthesizer]: Template has degree 1. 17.47/7.75 [2019-03-28 22:57:34,428 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.75 [2019-03-28 22:57:34,428 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.75 [2019-03-28 22:57:34,429 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 17.47/7.75 [2019-03-28 22:57:34,432 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. 17.47/7.75 [2019-03-28 22:57:34,432 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. 17.47/7.75 [2019-03-28 22:57:34,439 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.75 [2019-03-28 22:57:34,439 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.75 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.75 Number of strict supporting invariants: 0 17.47/7.75 Number of non-strict supporting invariants: 1 17.47/7.75 Consider only non-deceasing supporting invariants: true 17.47/7.75 Simplify termination arguments: true 17.47/7.75 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.75 [2019-03-28 22:57:34,440 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 17.47/7.75 [2019-03-28 22:57:34,440 INFO L339 nArgumentSynthesizer]: Template has degree 1. 17.47/7.75 [2019-03-28 22:57:34,440 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.75 [2019-03-28 22:57:34,440 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.75 [2019-03-28 22:57:34,441 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 17.47/7.75 [2019-03-28 22:57:34,442 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. 17.47/7.75 [2019-03-28 22:57:34,442 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. 17.47/7.75 [2019-03-28 22:57:34,457 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.75 [2019-03-28 22:57:34,458 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.75 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.75 Number of strict supporting invariants: 0 17.47/7.75 Number of non-strict supporting invariants: 1 17.47/7.75 Consider only non-deceasing supporting invariants: true 17.47/7.75 Simplify termination arguments: true 17.47/7.75 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.75 [2019-03-28 22:57:34,458 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 17.47/7.75 [2019-03-28 22:57:34,458 INFO L339 nArgumentSynthesizer]: Template has degree 1. 17.47/7.75 [2019-03-28 22:57:34,459 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.75 [2019-03-28 22:57:34,459 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.75 [2019-03-28 22:57:34,459 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 17.47/7.75 [2019-03-28 22:57:34,460 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. 17.47/7.75 [2019-03-28 22:57:34,460 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. 17.47/7.75 [2019-03-28 22:57:34,465 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.75 [2019-03-28 22:57:34,465 INFO L497 LassoAnalysis]: Using template '3-phase'. 17.47/7.75 [2019-03-28 22:57:34,465 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.75 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.75 Number of strict supporting invariants: 0 17.47/7.75 Number of non-strict supporting invariants: 1 17.47/7.75 Consider only non-deceasing supporting invariants: true 17.47/7.75 Simplify termination arguments: true 17.47/7.75 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.75 [2019-03-28 22:57:34,467 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 17.47/7.75 [2019-03-28 22:57:34,468 INFO L339 nArgumentSynthesizer]: Template has degree 2. 17.47/7.75 [2019-03-28 22:57:34,468 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.47/7.75 [2019-03-28 22:57:34,468 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.75 [2019-03-28 22:57:34,468 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.75 [2019-03-28 22:57:34,468 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. 17.47/7.75 [2019-03-28 22:57:34,469 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. 17.47/7.75 [2019-03-28 22:57:34,469 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.47/7.75 [2019-03-28 22:57:34,471 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.75 [2019-03-28 22:57:34,471 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.75 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.75 Number of strict supporting invariants: 0 17.47/7.75 Number of non-strict supporting invariants: 1 17.47/7.75 Consider only non-deceasing supporting invariants: true 17.47/7.75 Simplify termination arguments: true 17.47/7.75 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.75 [2019-03-28 22:57:34,472 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 17.47/7.75 [2019-03-28 22:57:34,472 INFO L339 nArgumentSynthesizer]: Template has degree 2. 17.47/7.75 [2019-03-28 22:57:34,472 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.75 [2019-03-28 22:57:34,472 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.75 [2019-03-28 22:57:34,472 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. 17.47/7.75 [2019-03-28 22:57:34,474 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. 17.47/7.75 [2019-03-28 22:57:34,474 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. 17.47/7.75 [2019-03-28 22:57:34,482 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.75 [2019-03-28 22:57:34,483 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.75 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.75 Number of strict supporting invariants: 0 17.47/7.75 Number of non-strict supporting invariants: 1 17.47/7.75 Consider only non-deceasing supporting invariants: true 17.47/7.75 Simplify termination arguments: true 17.47/7.75 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.75 [2019-03-28 22:57:34,484 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 17.47/7.75 [2019-03-28 22:57:34,484 INFO L339 nArgumentSynthesizer]: Template has degree 2. 17.47/7.75 [2019-03-28 22:57:34,484 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.75 [2019-03-28 22:57:34,484 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.75 [2019-03-28 22:57:34,484 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. 17.47/7.75 [2019-03-28 22:57:34,486 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. 17.47/7.75 [2019-03-28 22:57:34,487 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. 17.47/7.75 [2019-03-28 22:57:34,503 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.75 [2019-03-28 22:57:34,504 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.75 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.75 Number of strict supporting invariants: 0 17.47/7.75 Number of non-strict supporting invariants: 1 17.47/7.75 Consider only non-deceasing supporting invariants: true 17.47/7.75 Simplify termination arguments: true 17.47/7.75 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.75 [2019-03-28 22:57:34,505 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 17.47/7.75 [2019-03-28 22:57:34,505 INFO L339 nArgumentSynthesizer]: Template has degree 2. 17.47/7.75 [2019-03-28 22:57:34,505 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.75 [2019-03-28 22:57:34,505 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.75 [2019-03-28 22:57:34,505 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. 17.47/7.75 [2019-03-28 22:57:34,507 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. 17.47/7.75 [2019-03-28 22:57:34,507 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. 17.47/7.75 [2019-03-28 22:57:34,512 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.75 [2019-03-28 22:57:34,513 INFO L497 LassoAnalysis]: Using template '4-phase'. 17.47/7.75 [2019-03-28 22:57:34,513 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.75 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.75 Number of strict supporting invariants: 0 17.47/7.75 Number of non-strict supporting invariants: 1 17.47/7.75 Consider only non-deceasing supporting invariants: true 17.47/7.75 Simplify termination arguments: true 17.47/7.75 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.75 [2019-03-28 22:57:34,514 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 17.47/7.75 [2019-03-28 22:57:34,514 INFO L339 nArgumentSynthesizer]: Template has degree 3. 17.47/7.75 [2019-03-28 22:57:34,514 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.47/7.75 [2019-03-28 22:57:34,514 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.75 [2019-03-28 22:57:34,514 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.75 [2019-03-28 22:57:34,514 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. 17.47/7.75 [2019-03-28 22:57:34,516 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. 17.47/7.75 [2019-03-28 22:57:34,516 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.47/7.75 [2019-03-28 22:57:34,516 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.75 [2019-03-28 22:57:34,517 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.75 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.75 Number of strict supporting invariants: 0 17.47/7.75 Number of non-strict supporting invariants: 1 17.47/7.75 Consider only non-deceasing supporting invariants: true 17.47/7.75 Simplify termination arguments: true 17.47/7.75 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.75 [2019-03-28 22:57:34,517 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 17.47/7.75 [2019-03-28 22:57:34,517 INFO L339 nArgumentSynthesizer]: Template has degree 3. 17.47/7.75 [2019-03-28 22:57:34,518 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.75 [2019-03-28 22:57:34,518 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.75 [2019-03-28 22:57:34,518 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. 17.47/7.75 [2019-03-28 22:57:34,520 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. 17.47/7.75 [2019-03-28 22:57:34,520 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. 17.47/7.75 [2019-03-28 22:57:34,531 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.75 [2019-03-28 22:57:34,531 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.75 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.75 Number of strict supporting invariants: 0 17.47/7.75 Number of non-strict supporting invariants: 1 17.47/7.75 Consider only non-deceasing supporting invariants: true 17.47/7.75 Simplify termination arguments: true 17.47/7.75 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.75 [2019-03-28 22:57:34,532 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 17.47/7.75 [2019-03-28 22:57:34,532 INFO L339 nArgumentSynthesizer]: Template has degree 3. 17.47/7.75 [2019-03-28 22:57:34,532 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.75 [2019-03-28 22:57:34,533 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.75 [2019-03-28 22:57:34,533 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. 17.47/7.75 [2019-03-28 22:57:34,536 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. 17.47/7.75 [2019-03-28 22:57:34,536 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. 17.47/7.75 [2019-03-28 22:57:34,559 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.75 [2019-03-28 22:57:34,559 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.75 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.75 Number of strict supporting invariants: 0 17.47/7.75 Number of non-strict supporting invariants: 1 17.47/7.75 Consider only non-deceasing supporting invariants: true 17.47/7.75 Simplify termination arguments: true 17.47/7.75 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.75 [2019-03-28 22:57:34,560 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 17.47/7.75 [2019-03-28 22:57:34,560 INFO L339 nArgumentSynthesizer]: Template has degree 3. 17.47/7.75 [2019-03-28 22:57:34,560 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.75 [2019-03-28 22:57:34,561 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.75 [2019-03-28 22:57:34,561 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. 17.47/7.75 [2019-03-28 22:57:34,563 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. 17.47/7.75 [2019-03-28 22:57:34,563 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. 17.47/7.75 [2019-03-28 22:57:34,573 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.75 [2019-03-28 22:57:34,574 INFO L497 LassoAnalysis]: Using template '2-lex'. 17.47/7.75 [2019-03-28 22:57:34,574 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.75 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.75 Number of strict supporting invariants: 0 17.47/7.75 Number of non-strict supporting invariants: 1 17.47/7.75 Consider only non-deceasing supporting invariants: true 17.47/7.75 Simplify termination arguments: true 17.47/7.75 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.75 [2019-03-28 22:57:34,575 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 17.47/7.75 [2019-03-28 22:57:34,575 INFO L339 nArgumentSynthesizer]: Template has degree 1. 17.47/7.75 [2019-03-28 22:57:34,575 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.47/7.75 [2019-03-28 22:57:34,575 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.75 [2019-03-28 22:57:34,575 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.75 [2019-03-28 22:57:34,576 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. 17.47/7.75 [2019-03-28 22:57:34,576 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. 17.47/7.75 [2019-03-28 22:57:34,576 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.47/7.75 [2019-03-28 22:57:34,578 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.75 [2019-03-28 22:57:34,578 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.75 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.75 Number of strict supporting invariants: 0 17.47/7.75 Number of non-strict supporting invariants: 1 17.47/7.75 Consider only non-deceasing supporting invariants: true 17.47/7.75 Simplify termination arguments: true 17.47/7.75 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.75 [2019-03-28 22:57:34,579 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 17.47/7.75 [2019-03-28 22:57:34,579 INFO L339 nArgumentSynthesizer]: Template has degree 1. 17.47/7.75 [2019-03-28 22:57:34,579 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.75 [2019-03-28 22:57:34,579 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.75 [2019-03-28 22:57:34,580 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. 17.47/7.75 [2019-03-28 22:57:34,581 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. 17.47/7.75 [2019-03-28 22:57:34,581 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. 17.47/7.75 [2019-03-28 22:57:34,586 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.75 [2019-03-28 22:57:34,587 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.75 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.75 Number of strict supporting invariants: 0 17.47/7.75 Number of non-strict supporting invariants: 1 17.47/7.75 Consider only non-deceasing supporting invariants: true 17.47/7.75 Simplify termination arguments: true 17.47/7.75 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.75 [2019-03-28 22:57:34,587 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 17.47/7.75 [2019-03-28 22:57:34,588 INFO L339 nArgumentSynthesizer]: Template has degree 1. 17.47/7.75 [2019-03-28 22:57:34,588 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.75 [2019-03-28 22:57:34,588 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.75 [2019-03-28 22:57:34,588 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. 17.47/7.75 [2019-03-28 22:57:34,590 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. 17.47/7.75 [2019-03-28 22:57:34,590 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. 17.47/7.75 [2019-03-28 22:57:34,611 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.75 [2019-03-28 22:57:34,611 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.75 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.75 Number of strict supporting invariants: 0 17.47/7.75 Number of non-strict supporting invariants: 1 17.47/7.75 Consider only non-deceasing supporting invariants: true 17.47/7.75 Simplify termination arguments: true 17.47/7.75 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.75 [2019-03-28 22:57:34,612 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 17.47/7.75 [2019-03-28 22:57:34,612 INFO L339 nArgumentSynthesizer]: Template has degree 1. 17.47/7.75 [2019-03-28 22:57:34,612 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.75 [2019-03-28 22:57:34,612 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.75 [2019-03-28 22:57:34,612 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. 17.47/7.75 [2019-03-28 22:57:34,614 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. 17.47/7.75 [2019-03-28 22:57:34,614 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. 17.47/7.75 [2019-03-28 22:57:34,618 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.75 [2019-03-28 22:57:34,618 INFO L497 LassoAnalysis]: Using template '3-lex'. 17.47/7.75 [2019-03-28 22:57:34,619 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.75 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.75 Number of strict supporting invariants: 0 17.47/7.75 Number of non-strict supporting invariants: 1 17.47/7.75 Consider only non-deceasing supporting invariants: true 17.47/7.75 Simplify termination arguments: true 17.47/7.75 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.75 [2019-03-28 22:57:34,619 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 17.47/7.75 [2019-03-28 22:57:34,620 INFO L339 nArgumentSynthesizer]: Template has degree 3. 17.47/7.75 [2019-03-28 22:57:34,620 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.47/7.75 [2019-03-28 22:57:34,620 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.75 [2019-03-28 22:57:34,620 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.75 [2019-03-28 22:57:34,620 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. 17.47/7.75 [2019-03-28 22:57:34,621 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.47/7.75 [2019-03-28 22:57:34,621 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.47/7.75 [2019-03-28 22:57:34,623 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.75 [2019-03-28 22:57:34,624 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.75 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.75 Number of strict supporting invariants: 0 17.47/7.75 Number of non-strict supporting invariants: 1 17.47/7.75 Consider only non-deceasing supporting invariants: true 17.47/7.75 Simplify termination arguments: true 17.47/7.75 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.75 [2019-03-28 22:57:34,624 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 17.47/7.75 [2019-03-28 22:57:34,624 INFO L339 nArgumentSynthesizer]: Template has degree 3. 17.47/7.75 [2019-03-28 22:57:34,625 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.75 [2019-03-28 22:57:34,625 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.75 [2019-03-28 22:57:34,625 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. 17.47/7.75 [2019-03-28 22:57:34,627 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. 17.47/7.75 [2019-03-28 22:57:34,627 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. 17.47/7.75 [2019-03-28 22:57:34,634 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.75 [2019-03-28 22:57:34,635 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.75 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.75 Number of strict supporting invariants: 0 17.47/7.75 Number of non-strict supporting invariants: 1 17.47/7.75 Consider only non-deceasing supporting invariants: true 17.47/7.75 Simplify termination arguments: true 17.47/7.75 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.75 [2019-03-28 22:57:34,635 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 17.47/7.75 [2019-03-28 22:57:34,636 INFO L339 nArgumentSynthesizer]: Template has degree 3. 17.47/7.75 [2019-03-28 22:57:34,636 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.75 [2019-03-28 22:57:34,636 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.75 [2019-03-28 22:57:34,636 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. 17.47/7.75 [2019-03-28 22:57:34,639 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. 17.47/7.75 [2019-03-28 22:57:34,639 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. 17.47/7.75 [2019-03-28 22:57:34,686 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.75 [2019-03-28 22:57:34,687 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.47/7.75 Termination analysis: LINEAR_WITH_GUESSES 17.47/7.75 Number of strict supporting invariants: 0 17.47/7.75 Number of non-strict supporting invariants: 1 17.47/7.75 Consider only non-deceasing supporting invariants: true 17.47/7.75 Simplify termination arguments: true 17.47/7.75 Simplify supporting invariants: trueOverapproximate stem: false 17.47/7.75 [2019-03-28 22:57:34,687 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 17.47/7.75 [2019-03-28 22:57:34,687 INFO L339 nArgumentSynthesizer]: Template has degree 3. 17.47/7.75 [2019-03-28 22:57:34,688 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.47/7.75 [2019-03-28 22:57:34,688 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.47/7.75 [2019-03-28 22:57:34,688 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. 17.47/7.75 [2019-03-28 22:57:34,690 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. 17.47/7.75 [2019-03-28 22:57:34,690 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. 17.47/7.75 [2019-03-28 22:57:34,696 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.47/7.75 [2019-03-28 22:57:34,696 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. 17.47/7.75 [2019-03-28 22:57:34,697 INFO L794 eck$LassoCheckResult]: Stem: 174#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 0) InVars {} OutVars{ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 175#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 170#L10 [24] L10-->L10-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 50) (= v_ULTIMATE.start_main_~i~0_8 51)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 171#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 172#L10 [34] L10-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_10 49) (>= v_ULTIMATE.start_main_~i~0_11 50)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 173#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 170#L10 17.47/7.75 [2019-03-28 22:57:34,697 INFO L796 eck$LassoCheckResult]: Loop: 170#L10 [24] L10-->L10-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 50) (= v_ULTIMATE.start_main_~i~0_8 51)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 171#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 172#L10 [34] L10-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_10 49) (>= v_ULTIMATE.start_main_~i~0_11 50)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 173#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 170#L10 17.47/7.75 [2019-03-28 22:57:34,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.47/7.75 [2019-03-28 22:57:34,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1660312135, now seen corresponding path program 3 times 17.47/7.75 [2019-03-28 22:57:34,698 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.47/7.75 [2019-03-28 22:57:34,698 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.47/7.75 [2019-03-28 22:57:34,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.75 [2019-03-28 22:57:34,700 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 17.47/7.75 [2019-03-28 22:57:34,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.75 [2019-03-28 22:57:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.47/7.75 [2019-03-28 22:57:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.47/7.75 [2019-03-28 22:57:34,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.47/7.75 [2019-03-28 22:57:34,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1668419, now seen corresponding path program 2 times 17.47/7.75 [2019-03-28 22:57:34,705 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.47/7.75 [2019-03-28 22:57:34,705 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.47/7.75 [2019-03-28 22:57:34,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.75 [2019-03-28 22:57:34,706 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 17.47/7.75 [2019-03-28 22:57:34,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.75 [2019-03-28 22:57:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.47/7.75 [2019-03-28 22:57:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.47/7.75 [2019-03-28 22:57:34,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.47/7.75 [2019-03-28 22:57:34,710 INFO L82 PathProgramCache]: Analyzing trace with hash -265470839, now seen corresponding path program 4 times 17.47/7.75 [2019-03-28 22:57:34,710 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.47/7.75 [2019-03-28 22:57:34,711 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.47/7.75 [2019-03-28 22:57:34,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.75 [2019-03-28 22:57:34,712 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 17.47/7.75 [2019-03-28 22:57:34,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.47/7.75 [2019-03-28 22:57:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.47/7.75 [2019-03-28 22:57:34,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.47/7.75 [2019-03-28 22:57:34,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:57:34 BasicIcfg 17.47/7.75 [2019-03-28 22:57:34,785 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 17.47/7.75 [2019-03-28 22:57:34,785 INFO L168 Benchmark]: Toolchain (without parser) took 3305.15 ms. Allocated memory was 649.6 MB in the beginning and 752.9 MB in the end (delta: 103.3 MB). Free memory was 559.6 MB in the beginning and 605.9 MB in the end (delta: -46.3 MB). Peak memory consumption was 57.0 MB. Max. memory is 50.3 GB. 17.47/7.75 [2019-03-28 22:57:34,787 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 17.47/7.75 [2019-03-28 22:57:34,788 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.56 ms. Allocated memory is still 649.6 MB. Free memory was 559.6 MB in the beginning and 550.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 50.3 GB. 17.47/7.75 [2019-03-28 22:57:34,788 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.87 ms. Allocated memory was 649.6 MB in the beginning and 680.5 MB in the end (delta: 30.9 MB). Free memory was 550.0 MB in the beginning and 647.2 MB in the end (delta: -97.2 MB). Peak memory consumption was 20.0 MB. Max. memory is 50.3 GB. 17.47/7.75 [2019-03-28 22:57:34,789 INFO L168 Benchmark]: Boogie Preprocessor took 18.86 ms. Allocated memory is still 680.5 MB. Free memory was 647.2 MB in the beginning and 645.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 17.47/7.75 [2019-03-28 22:57:34,789 INFO L168 Benchmark]: RCFGBuilder took 183.52 ms. Allocated memory is still 680.5 MB. Free memory was 645.8 MB in the beginning and 631.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 50.3 GB. 17.47/7.75 [2019-03-28 22:57:34,790 INFO L168 Benchmark]: BlockEncodingV2 took 70.19 ms. Allocated memory is still 680.5 MB. Free memory was 631.2 MB in the beginning and 627.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 50.3 GB. 17.47/7.75 [2019-03-28 22:57:34,790 INFO L168 Benchmark]: TraceAbstraction took 153.51 ms. Allocated memory is still 680.5 MB. Free memory was 625.8 MB in the beginning and 617.6 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 50.3 GB. 17.47/7.75 [2019-03-28 22:57:34,791 INFO L168 Benchmark]: BuchiAutomizer took 2544.42 ms. Allocated memory was 680.5 MB in the beginning and 752.9 MB in the end (delta: 72.4 MB). Free memory was 617.6 MB in the beginning and 605.9 MB in the end (delta: 11.7 MB). Peak memory consumption was 84.0 MB. Max. memory is 50.3 GB. 17.47/7.75 [2019-03-28 22:57:34,796 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 17.47/7.75 --- Results --- 17.47/7.75 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 17.47/7.75 - StatisticsResult: Initial Icfg 17.47/7.75 7 locations, 9 edges 17.47/7.75 - StatisticsResult: Encoded RCFG 17.47/7.75 3 locations, 4 edges 17.47/7.75 * Results from de.uni_freiburg.informatik.ultimate.core: 17.47/7.75 - StatisticsResult: Toolchain Benchmarks 17.47/7.75 Benchmark results are: 17.47/7.75 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 17.47/7.75 * CACSL2BoogieTranslator took 227.56 ms. Allocated memory is still 649.6 MB. Free memory was 559.6 MB in the beginning and 550.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 50.3 GB. 17.47/7.75 * Boogie Procedure Inliner took 101.87 ms. Allocated memory was 649.6 MB in the beginning and 680.5 MB in the end (delta: 30.9 MB). Free memory was 550.0 MB in the beginning and 647.2 MB in the end (delta: -97.2 MB). Peak memory consumption was 20.0 MB. Max. memory is 50.3 GB. 17.47/7.75 * Boogie Preprocessor took 18.86 ms. Allocated memory is still 680.5 MB. Free memory was 647.2 MB in the beginning and 645.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 17.47/7.75 * RCFGBuilder took 183.52 ms. Allocated memory is still 680.5 MB. Free memory was 645.8 MB in the beginning and 631.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 50.3 GB. 17.47/7.75 * BlockEncodingV2 took 70.19 ms. Allocated memory is still 680.5 MB. Free memory was 631.2 MB in the beginning and 627.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 50.3 GB. 17.47/7.75 * TraceAbstraction took 153.51 ms. Allocated memory is still 680.5 MB. Free memory was 625.8 MB in the beginning and 617.6 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 50.3 GB. 17.47/7.75 * BuchiAutomizer took 2544.42 ms. Allocated memory was 680.5 MB in the beginning and 752.9 MB in the end (delta: 72.4 MB). Free memory was 617.6 MB in the beginning and 605.9 MB in the end (delta: 11.7 MB). Peak memory consumption was 84.0 MB. Max. memory is 50.3 GB. 17.47/7.75 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 17.47/7.75 - AllSpecificationsHoldResult: All specifications hold 17.47/7.75 We were not able to verify any specifiation because the program does not contain any specification. 17.47/7.75 - InvariantResult [Line: 9]: Loop Invariant 17.47/7.75 Derived loop invariant: 1 17.47/7.75 - StatisticsResult: Ultimate Automizer benchmark data 17.47/7.75 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 17.47/7.75 - StatisticsResult: Constructed decomposition of program 17.47/7.75 Your program was decomposed into 4 terminating modules (1 trivial, 0 deterministic, 3 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function i and consists of 3 locations. One nondeterministic module has affine ranking function i and consists of 3 locations. One nondeterministic module has affine ranking function -1 * i + 50 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 6 locations. 17.47/7.75 - StatisticsResult: Timing statistics 17.47/7.75 BüchiAutomizer plugin needed 2.4s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 16 SDslu, 0 SDs, 0 SdLazy, 31 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT2 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax222 hnf100 lsp45 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq140 hnf92 smp100 dnf100 smp100 tf115 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s 17.47/7.75 - TerminationAnalysisResult: Nontermination possible 17.47/7.75 Buchi Automizer proved that your program is nonterminating for some inputs 17.47/7.75 - FixpointNonTerminationResult [Line: 10]: Nontermination argument in form of an infinite program execution. 17.47/7.75 Nontermination argument in form of an infinite execution 17.47/7.75 State at position 0 is 17.47/7.75 {} 17.47/7.75 State at position 1 is 17.47/7.75 {\result=0, i=49} 17.47/7.75 - StatisticsResult: NonterminationArgumentStatistics 17.47/7.75 Fixpoint 17.47/7.75 - NonterminatingLassoResult [Line: 10]: Nonterminating execution 17.47/7.75 Found a nonterminating execution for the following lasso shaped sequence of statements. 17.47/7.75 Stem: 17.47/7.75 [L6] int i; 17.47/7.75 [L7] i = 0 17.47/7.75 [L9] COND TRUE i < 100 17.47/7.75 [L10] COND TRUE i < 50 17.47/7.75 [L10] i = 51 17.47/7.75 [L9] COND TRUE i < 100 17.47/7.75 [L10] COND FALSE !(i < 50) 17.47/7.75 [L11] i = 49 17.47/7.75 [L9] COND TRUE i < 100 17.47/7.75 Loop: 17.47/7.75 [L10] COND TRUE i < 50 17.47/7.75 [L10] i = 51 17.47/7.75 [L9] COND TRUE i < 100 17.47/7.75 [L10] COND FALSE !(i < 50) 17.47/7.75 [L11] i = 49 17.47/7.75 [L9] COND TRUE i < 100 17.47/7.75 End of lasso representation. 17.47/7.75 RESULT: Ultimate proved your program to be incorrect! 17.47/7.75 !SESSION 2019-03-28 22:57:28.248 ----------------------------------------------- 17.47/7.75 eclipse.buildId=unknown 17.47/7.75 java.version=1.8.0_181 17.47/7.75 java.vendor=Oracle Corporation 17.47/7.75 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 17.47/7.75 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 17.47/7.75 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 17.47/7.75 17.47/7.75 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:57:35.029 17.47/7.75 !MESSAGE The workspace will exit with unsaved changes in this session. 17.47/7.75 Received shutdown request... 17.47/7.75 Ultimate: 17.47/7.75 GTK+ Version Check 17.47/7.75 EOF