17.05/8.69 YES 17.05/8.69 17.05/8.69 Ultimate: Cannot open display: 17.05/8.69 This is Ultimate 0.1.24-8dc7c08-m 17.05/8.69 [2019-03-28 22:56:00,506 INFO L170 SettingsManager]: Resetting all preferences to default values... 17.05/8.69 [2019-03-28 22:56:00,509 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 17.05/8.69 [2019-03-28 22:56:00,521 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 17.05/8.69 [2019-03-28 22:56:00,521 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 17.05/8.69 [2019-03-28 22:56:00,522 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 17.05/8.69 [2019-03-28 22:56:00,523 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 17.05/8.69 [2019-03-28 22:56:00,525 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 17.05/8.69 [2019-03-28 22:56:00,527 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 17.05/8.69 [2019-03-28 22:56:00,527 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 17.05/8.69 [2019-03-28 22:56:00,528 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 17.05/8.69 [2019-03-28 22:56:00,528 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 17.05/8.69 [2019-03-28 22:56:00,529 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 17.05/8.69 [2019-03-28 22:56:00,530 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 17.05/8.69 [2019-03-28 22:56:00,531 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 17.05/8.69 [2019-03-28 22:56:00,532 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 17.05/8.69 [2019-03-28 22:56:00,533 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 17.05/8.69 [2019-03-28 22:56:00,535 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 17.05/8.69 [2019-03-28 22:56:00,537 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 17.05/8.69 [2019-03-28 22:56:00,538 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 17.05/8.69 [2019-03-28 22:56:00,539 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 17.05/8.69 [2019-03-28 22:56:00,540 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 17.05/8.69 [2019-03-28 22:56:00,543 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 17.05/8.69 [2019-03-28 22:56:00,543 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 17.05/8.69 [2019-03-28 22:56:00,543 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 17.05/8.69 [2019-03-28 22:56:00,544 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 17.05/8.69 [2019-03-28 22:56:00,545 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 17.05/8.69 [2019-03-28 22:56:00,546 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 17.05/8.69 [2019-03-28 22:56:00,546 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 17.05/8.69 [2019-03-28 22:56:00,547 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 17.05/8.69 [2019-03-28 22:56:00,548 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 17.05/8.69 [2019-03-28 22:56:00,548 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 17.05/8.69 [2019-03-28 22:56:00,549 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 17.05/8.69 [2019-03-28 22:56:00,549 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 17.05/8.69 [2019-03-28 22:56:00,550 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 17.05/8.69 [2019-03-28 22:56:00,550 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 17.05/8.69 [2019-03-28 22:56:00,551 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 17.05/8.69 [2019-03-28 22:56:00,552 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 17.05/8.69 [2019-03-28 22:56:00,552 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 17.05/8.69 [2019-03-28 22:56:00,553 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 17.05/8.69 [2019-03-28 22:56:00,568 INFO L110 SettingsManager]: Loading preferences was successful 17.05/8.69 [2019-03-28 22:56:00,568 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 17.05/8.69 [2019-03-28 22:56:00,569 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 17.05/8.69 [2019-03-28 22:56:00,570 INFO L133 SettingsManager]: * Rewrite not-equals=true 17.05/8.69 [2019-03-28 22:56:00,570 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 17.05/8.69 [2019-03-28 22:56:00,570 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 17.05/8.69 [2019-03-28 22:56:00,570 INFO L133 SettingsManager]: * Use SBE=true 17.05/8.69 [2019-03-28 22:56:00,570 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 17.05/8.69 [2019-03-28 22:56:00,571 INFO L133 SettingsManager]: * Use old map elimination=false 17.05/8.69 [2019-03-28 22:56:00,571 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 17.05/8.69 [2019-03-28 22:56:00,571 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 17.05/8.69 [2019-03-28 22:56:00,571 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 17.05/8.69 [2019-03-28 22:56:00,571 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 17.05/8.69 [2019-03-28 22:56:00,571 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 17.05/8.69 [2019-03-28 22:56:00,572 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.05/8.69 [2019-03-28 22:56:00,572 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 17.05/8.69 [2019-03-28 22:56:00,572 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 17.05/8.69 [2019-03-28 22:56:00,572 INFO L133 SettingsManager]: * Check division by zero=IGNORE 17.05/8.69 [2019-03-28 22:56:00,572 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 17.05/8.69 [2019-03-28 22:56:00,572 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 17.05/8.69 [2019-03-28 22:56:00,573 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 17.05/8.69 [2019-03-28 22:56:00,573 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 17.05/8.69 [2019-03-28 22:56:00,573 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 17.05/8.69 [2019-03-28 22:56:00,573 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 17.05/8.69 [2019-03-28 22:56:00,573 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 17.05/8.69 [2019-03-28 22:56:00,574 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 17.05/8.69 [2019-03-28 22:56:00,574 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 17.05/8.69 [2019-03-28 22:56:00,574 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 17.05/8.69 [2019-03-28 22:56:00,574 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 17.05/8.69 [2019-03-28 22:56:00,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 17.05/8.69 [2019-03-28 22:56:00,615 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 17.05/8.69 [2019-03-28 22:56:00,619 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 17.05/8.69 [2019-03-28 22:56:00,620 INFO L271 PluginConnector]: Initializing CDTParser... 17.05/8.69 [2019-03-28 22:56:00,621 INFO L276 PluginConnector]: CDTParser initialized 17.05/8.69 [2019-03-28 22:56:00,622 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 17.05/8.69 [2019-03-28 22:56:00,719 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/b4f333b2032247b497ca4750741bc372/FLAGc7cedfef9 17.05/8.69 [2019-03-28 22:56:01,074 INFO L307 CDTParser]: Found 1 translation units. 17.05/8.69 [2019-03-28 22:56:01,075 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 17.05/8.69 [2019-03-28 22:56:01,081 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/b4f333b2032247b497ca4750741bc372/FLAGc7cedfef9 17.05/8.69 [2019-03-28 22:56:01,495 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/b4f333b2032247b497ca4750741bc372 17.05/8.69 [2019-03-28 22:56:01,507 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 17.05/8.69 [2019-03-28 22:56:01,509 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 17.05/8.69 [2019-03-28 22:56:01,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 17.05/8.69 [2019-03-28 22:56:01,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 17.05/8.69 [2019-03-28 22:56:01,514 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 17.05/8.69 [2019-03-28 22:56:01,515 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:56:01" (1/1) ... 17.05/8.69 [2019-03-28 22:56:01,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d8aed25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:56:01, skipping insertion in model container 17.05/8.69 [2019-03-28 22:56:01,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:56:01" (1/1) ... 17.05/8.69 [2019-03-28 22:56:01,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 17.05/8.69 [2019-03-28 22:56:01,544 INFO L176 MainTranslator]: Built tables and reachable declarations 17.05/8.69 [2019-03-28 22:56:01,702 INFO L206 PostProcessor]: Analyzing one entry point: main 17.05/8.69 [2019-03-28 22:56:01,707 INFO L191 MainTranslator]: Completed pre-run 17.05/8.69 [2019-03-28 22:56:01,724 INFO L206 PostProcessor]: Analyzing one entry point: main 17.05/8.69 [2019-03-28 22:56:01,739 INFO L195 MainTranslator]: Completed translation 17.05/8.69 [2019-03-28 22:56:01,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:56:01 WrapperNode 17.05/8.69 [2019-03-28 22:56:01,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 17.05/8.69 [2019-03-28 22:56:01,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 17.05/8.69 [2019-03-28 22:56:01,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 17.05/8.69 [2019-03-28 22:56:01,741 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 17.05/8.69 [2019-03-28 22:56:01,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:56:01" (1/1) ... 17.05/8.69 [2019-03-28 22:56:01,815 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:56:01" (1/1) ... 17.05/8.69 [2019-03-28 22:56:01,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 17.05/8.69 [2019-03-28 22:56:01,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 17.05/8.69 [2019-03-28 22:56:01,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 17.05/8.69 [2019-03-28 22:56:01,838 INFO L276 PluginConnector]: Boogie Preprocessor initialized 17.05/8.69 [2019-03-28 22:56:01,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:56:01" (1/1) ... 17.05/8.69 [2019-03-28 22:56:01,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:56:01" (1/1) ... 17.05/8.69 [2019-03-28 22:56:01,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:56:01" (1/1) ... 17.05/8.69 [2019-03-28 22:56:01,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:56:01" (1/1) ... 17.05/8.69 [2019-03-28 22:56:01,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:56:01" (1/1) ... 17.05/8.69 [2019-03-28 22:56:01,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:56:01" (1/1) ... 17.05/8.69 [2019-03-28 22:56:01,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:56:01" (1/1) ... 17.05/8.69 [2019-03-28 22:56:01,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 17.05/8.69 [2019-03-28 22:56:01,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 17.05/8.69 [2019-03-28 22:56:01,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... 17.05/8.69 [2019-03-28 22:56:01,860 INFO L276 PluginConnector]: RCFGBuilder initialized 17.05/8.69 [2019-03-28 22:56:01,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:56:01" (1/1) ... 17.05/8.69 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.05/8.69 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 17.05/8.69 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 17.05/8.69 [2019-03-28 22:56:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 17.05/8.69 [2019-03-28 22:56:01,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 17.05/8.69 [2019-03-28 22:56:02,073 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 17.05/8.69 [2019-03-28 22:56:02,073 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. 17.05/8.69 [2019-03-28 22:56:02,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:56:02 BoogieIcfgContainer 17.05/8.69 [2019-03-28 22:56:02,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 17.05/8.69 [2019-03-28 22:56:02,075 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 17.05/8.69 [2019-03-28 22:56:02,075 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 17.05/8.69 [2019-03-28 22:56:02,078 INFO L276 PluginConnector]: BlockEncodingV2 initialized 17.05/8.69 [2019-03-28 22:56:02,078 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:56:02" (1/1) ... 17.05/8.69 [2019-03-28 22:56:02,097 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 17.05/8.69 [2019-03-28 22:56:02,099 INFO L258 BlockEncoder]: Using Remove infeasible edges 17.05/8.69 [2019-03-28 22:56:02,100 INFO L263 BlockEncoder]: Using Maximize final states 17.05/8.69 [2019-03-28 22:56:02,100 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 17.05/8.69 [2019-03-28 22:56:02,101 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 17.05/8.69 [2019-03-28 22:56:02,102 INFO L296 BlockEncoder]: Using Remove sink states 17.05/8.69 [2019-03-28 22:56:02,104 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 17.05/8.69 [2019-03-28 22:56:02,104 INFO L179 BlockEncoder]: Using Rewrite not-equals 17.05/8.69 [2019-03-28 22:56:02,122 INFO L185 BlockEncoder]: Using Use SBE 17.05/8.69 [2019-03-28 22:56:02,139 INFO L200 BlockEncoder]: SBE split 2 edges 17.05/8.69 [2019-03-28 22:56:02,144 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 17.05/8.69 [2019-03-28 22:56:02,146 INFO L71 MaximizeFinalStates]: 0 new accepting states 17.05/8.69 [2019-03-28 22:56:02,159 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 17.05/8.69 [2019-03-28 22:56:02,161 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 17.05/8.69 [2019-03-28 22:56:02,163 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 17.05/8.69 [2019-03-28 22:56:02,163 INFO L71 MaximizeFinalStates]: 0 new accepting states 17.05/8.69 [2019-03-28 22:56:02,163 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 17.05/8.69 [2019-03-28 22:56:02,164 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 17.05/8.69 [2019-03-28 22:56:02,164 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 7 edges 17.05/8.69 [2019-03-28 22:56:02,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:56:02 BasicIcfg 17.05/8.69 [2019-03-28 22:56:02,165 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 17.05/8.69 [2019-03-28 22:56:02,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 17.05/8.69 [2019-03-28 22:56:02,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... 17.05/8.69 [2019-03-28 22:56:02,169 INFO L276 PluginConnector]: TraceAbstraction initialized 17.05/8.69 [2019-03-28 22:56:02,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:56:01" (1/4) ... 17.05/8.69 [2019-03-28 22:56:02,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fdcff1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:56:02, skipping insertion in model container 17.05/8.69 [2019-03-28 22:56:02,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:56:01" (2/4) ... 17.05/8.69 [2019-03-28 22:56:02,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fdcff1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:56:02, skipping insertion in model container 17.05/8.69 [2019-03-28 22:56:02,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:56:02" (3/4) ... 17.05/8.69 [2019-03-28 22:56:02,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fdcff1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:56:02, skipping insertion in model container 17.05/8.69 [2019-03-28 22:56:02,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:56:02" (4/4) ... 17.05/8.69 [2019-03-28 22:56:02,173 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 17.05/8.69 [2019-03-28 22:56:02,183 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 17.05/8.69 [2019-03-28 22:56:02,191 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 17.05/8.69 [2019-03-28 22:56:02,208 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 17.05/8.69 [2019-03-28 22:56:02,237 INFO L133 ementStrategyFactory]: Using default assertion order modulation 17.05/8.69 [2019-03-28 22:56:02,238 INFO L382 AbstractCegarLoop]: Interprodecural is true 17.05/8.69 [2019-03-28 22:56:02,238 INFO L383 AbstractCegarLoop]: Hoare is true 17.05/8.69 [2019-03-28 22:56:02,239 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 17.05/8.69 [2019-03-28 22:56:02,239 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 17.05/8.69 [2019-03-28 22:56:02,239 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 17.05/8.69 [2019-03-28 22:56:02,239 INFO L387 AbstractCegarLoop]: Difference is false 17.05/8.69 [2019-03-28 22:56:02,239 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 17.05/8.69 [2019-03-28 22:56:02,239 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 17.05/8.69 [2019-03-28 22:56:02,254 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. 17.05/8.69 [2019-03-28 22:56:02,259 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 17.05/8.69 [2019-03-28 22:56:02,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. 17.05/8.69 [2019-03-28 22:56:02,313 INFO L448 ceAbstractionStarter]: For program point L20-3(lines 20 22) no Hoare annotation was computed. 17.05/8.69 [2019-03-28 22:56:02,314 INFO L451 ceAbstractionStarter]: At program point L17-2(lines 17 25) the Hoare annotation is: true 17.05/8.69 [2019-03-28 22:56:02,314 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 17.05/8.69 [2019-03-28 22:56:02,314 INFO L451 ceAbstractionStarter]: At program point L20-2(lines 20 22) the Hoare annotation is: true 17.05/8.69 [2019-03-28 22:56:02,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:56:02 BasicIcfg 17.05/8.69 [2019-03-28 22:56:02,323 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 17.05/8.69 [2019-03-28 22:56:02,324 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 17.05/8.69 [2019-03-28 22:56:02,324 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 17.05/8.69 [2019-03-28 22:56:02,327 INFO L276 PluginConnector]: BuchiAutomizer initialized 17.05/8.69 [2019-03-28 22:56:02,328 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.05/8.69 [2019-03-28 22:56:02,328 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:56:01" (1/5) ... 17.05/8.69 [2019-03-28 22:56:02,329 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23dc21e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:56:02, skipping insertion in model container 17.05/8.69 [2019-03-28 22:56:02,329 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.05/8.69 [2019-03-28 22:56:02,329 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:56:01" (2/5) ... 17.05/8.69 [2019-03-28 22:56:02,329 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23dc21e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:56:02, skipping insertion in model container 17.05/8.69 [2019-03-28 22:56:02,330 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.05/8.69 [2019-03-28 22:56:02,330 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:56:02" (3/5) ... 17.05/8.69 [2019-03-28 22:56:02,330 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23dc21e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:56:02, skipping insertion in model container 17.05/8.69 [2019-03-28 22:56:02,330 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.05/8.69 [2019-03-28 22:56:02,330 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:56:02" (4/5) ... 17.05/8.69 [2019-03-28 22:56:02,331 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23dc21e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:56:02, skipping insertion in model container 17.05/8.69 [2019-03-28 22:56:02,331 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.05/8.69 [2019-03-28 22:56:02,331 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:56:02" (5/5) ... 17.05/8.69 [2019-03-28 22:56:02,333 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 17.05/8.69 [2019-03-28 22:56:02,361 INFO L133 ementStrategyFactory]: Using default assertion order modulation 17.05/8.69 [2019-03-28 22:56:02,362 INFO L374 BuchiCegarLoop]: Interprodecural is true 17.05/8.69 [2019-03-28 22:56:02,362 INFO L375 BuchiCegarLoop]: Hoare is true 17.05/8.69 [2019-03-28 22:56:02,362 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 17.05/8.69 [2019-03-28 22:56:02,362 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 17.05/8.69 [2019-03-28 22:56:02,362 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 17.05/8.69 [2019-03-28 22:56:02,362 INFO L379 BuchiCegarLoop]: Difference is false 17.05/8.69 [2019-03-28 22:56:02,362 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 17.05/8.69 [2019-03-28 22:56:02,363 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 17.05/8.69 [2019-03-28 22:56:02,366 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 17.05/8.69 [2019-03-28 22:56:02,384 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 17.05/8.69 [2019-03-28 22:56:02,386 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.05/8.69 [2019-03-28 22:56:02,386 INFO L119 BuchiIsEmpty]: Starting construction of run 17.05/8.69 [2019-03-28 22:56:02,392 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 17.05/8.69 [2019-03-28 22:56:02,392 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 17.05/8.69 [2019-03-28 22:56:02,392 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 17.05/8.69 [2019-03-28 22:56:02,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 17.05/8.69 [2019-03-28 22:56:02,393 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 17.05/8.69 [2019-03-28 22:56:02,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.05/8.69 [2019-03-28 22:56:02,393 INFO L119 BuchiIsEmpty]: Starting construction of run 17.05/8.69 [2019-03-28 22:56:02,393 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 17.05/8.69 [2019-03-28 22:56:02,393 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 17.05/8.69 [2019-03-28 22:56:02,398 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [35] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 3#L17-2true 17.05/8.69 [2019-03-28 22:56:02,399 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true [33] L17-2-->L20-2: Formula: (and (<= 2 v_ULTIMATE.start_main_~x~0_12) (= v_ULTIMATE.start_main_~x~0_11 (+ v_ULTIMATE.start_main_~x~0_12 (- 1))) (= v_ULTIMATE.start_main_~y~0_11 (+ v_ULTIMATE.start_main_~x~0_11 v_ULTIMATE.start_main_~y~0_12))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 6#L20-2true [45] L20-2-->L20-3: Formula: (> v_ULTIMATE.start_main_~x~0_6 v_ULTIMATE.start_main_~y~0_6) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2] 5#L20-3true [36] L20-3-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_9 (+ v_ULTIMATE.start_main_~y~0_10 (* (- 1) v_ULTIMATE.start_main_~x~0_8))) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 (- 1)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 3#L17-2true 17.05/8.69 [2019-03-28 22:56:02,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.05/8.69 [2019-03-28 22:56:02,406 INFO L82 PathProgramCache]: Analyzing trace with hash 66, now seen corresponding path program 1 times 17.05/8.69 [2019-03-28 22:56:02,408 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.05/8.69 [2019-03-28 22:56:02,409 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.05/8.69 [2019-03-28 22:56:02,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.05/8.69 [2019-03-28 22:56:02,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.05/8.69 [2019-03-28 22:56:02,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.05/8.69 [2019-03-28 22:56:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.05/8.69 [2019-03-28 22:56:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.05/8.69 [2019-03-28 22:56:02,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.05/8.69 [2019-03-28 22:56:02,484 INFO L82 PathProgramCache]: Analyzing trace with hash 62935, now seen corresponding path program 1 times 17.05/8.69 [2019-03-28 22:56:02,485 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.05/8.69 [2019-03-28 22:56:02,485 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.05/8.69 [2019-03-28 22:56:02,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.05/8.69 [2019-03-28 22:56:02,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.05/8.69 [2019-03-28 22:56:02,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.05/8.69 [2019-03-28 22:56:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.05/8.69 [2019-03-28 22:56:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.05/8.69 [2019-03-28 22:56:02,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.05/8.69 [2019-03-28 22:56:02,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1999350, now seen corresponding path program 1 times 17.05/8.69 [2019-03-28 22:56:02,504 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.05/8.69 [2019-03-28 22:56:02,504 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.05/8.69 [2019-03-28 22:56:02,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.05/8.69 [2019-03-28 22:56:02,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.05/8.69 [2019-03-28 22:56:02,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.05/8.69 [2019-03-28 22:56:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.05/8.69 [2019-03-28 22:56:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.05/8.69 [2019-03-28 22:56:02,578 INFO L216 LassoAnalysis]: Preferences: 17.05/8.69 [2019-03-28 22:56:02,579 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.05/8.69 [2019-03-28 22:56:02,579 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.05/8.69 [2019-03-28 22:56:02,579 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.05/8.69 [2019-03-28 22:56:02,580 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.05/8.69 [2019-03-28 22:56:02,580 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.05/8.69 [2019-03-28 22:56:02,580 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.05/8.69 [2019-03-28 22:56:02,580 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.05/8.69 [2019-03-28 22:56:02,581 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 17.05/8.69 [2019-03-28 22:56:02,581 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.05/8.69 [2019-03-28 22:56:02,581 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.05/8.69 [2019-03-28 22:56:02,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.05/8.69 [2019-03-28 22:56:02,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.05/8.69 [2019-03-28 22:56:02,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.05/8.69 [2019-03-28 22:56:02,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.05/8.69 [2019-03-28 22:56:02,720 INFO L300 LassoAnalysis]: Preprocessing complete. 17.05/8.69 [2019-03-28 22:56:02,769 INFO L412 LassoAnalysis]: Checking for nontermination... 17.05/8.69 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.05/8.69 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.05/8.69 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.05/8.69 [2019-03-28 22:56:02,777 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.05/8.69 [2019-03-28 22:56:02,777 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.05/8.69 [2019-03-28 22:56:02,813 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.05/8.69 [2019-03-28 22:56:02,813 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: [] 17.05/8.69 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.05/8.69 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.05/8.69 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.05/8.69 [2019-03-28 22:56:02,821 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.05/8.69 [2019-03-28 22:56:02,821 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.05/8.69 [2019-03-28 22:56:02,848 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.05/8.69 [2019-03-28 22:56:02,849 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: [] 17.05/8.69 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.05/8.69 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.05/8.69 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.05/8.69 [2019-03-28 22:56:02,854 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.05/8.69 [2019-03-28 22:56:02,854 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.05/8.69 [2019-03-28 22:56:02,858 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.05/8.69 [2019-03-28 22:56:02,859 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.05/8.69 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.05/8.69 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.05/8.69 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.05/8.69 [2019-03-28 22:56:02,890 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.05/8.69 [2019-03-28 22:56:02,890 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.05/8.69 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.05/8.69 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.05/8.69 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.05/8.69 [2019-03-28 22:56:02,923 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.05/8.69 [2019-03-28 22:56:02,923 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.05/8.69 [2019-03-28 22:56:02,957 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.05/8.69 [2019-03-28 22:56:02,959 INFO L216 LassoAnalysis]: Preferences: 17.05/8.69 [2019-03-28 22:56:02,959 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.05/8.69 [2019-03-28 22:56:02,960 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.05/8.69 [2019-03-28 22:56:02,960 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.05/8.69 [2019-03-28 22:56:02,960 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.05/8.69 [2019-03-28 22:56:02,960 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.05/8.69 [2019-03-28 22:56:02,960 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.05/8.69 [2019-03-28 22:56:02,960 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.05/8.69 [2019-03-28 22:56:02,960 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 17.05/8.69 [2019-03-28 22:56:02,961 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.05/8.69 [2019-03-28 22:56:02,961 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.05/8.69 [2019-03-28 22:56:02,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.05/8.69 [2019-03-28 22:56:02,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.05/8.69 [2019-03-28 22:56:02,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.05/8.69 [2019-03-28 22:56:02,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.05/8.69 [2019-03-28 22:56:03,055 INFO L300 LassoAnalysis]: Preprocessing complete. 17.05/8.69 [2019-03-28 22:56:03,060 INFO L497 LassoAnalysis]: Using template 'affine'. 17.05/8.69 [2019-03-28 22:56:03,062 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.05/8.69 Termination analysis: LINEAR_WITH_GUESSES 17.05/8.69 Number of strict supporting invariants: 0 17.05/8.69 Number of non-strict supporting invariants: 1 17.05/8.69 Consider only non-deceasing supporting invariants: true 17.05/8.69 Simplify termination arguments: true 17.05/8.69 Simplify supporting invariants: trueOverapproximate stem: false 17.05/8.69 [2019-03-28 22:56:03,064 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.05/8.69 [2019-03-28 22:56:03,064 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.05/8.69 [2019-03-28 22:56:03,064 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.05/8.69 [2019-03-28 22:56:03,064 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.05/8.69 [2019-03-28 22:56:03,069 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.05/8.69 [2019-03-28 22:56:03,069 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.05/8.69 [2019-03-28 22:56:03,077 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.05/8.69 [2019-03-28 22:56:03,078 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.05/8.69 Termination analysis: LINEAR_WITH_GUESSES 17.05/8.69 Number of strict supporting invariants: 0 17.05/8.69 Number of non-strict supporting invariants: 1 17.05/8.69 Consider only non-deceasing supporting invariants: true 17.05/8.69 Simplify termination arguments: true 17.05/8.69 Simplify supporting invariants: trueOverapproximate stem: false 17.05/8.69 [2019-03-28 22:56:03,078 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.05/8.69 [2019-03-28 22:56:03,078 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.05/8.69 [2019-03-28 22:56:03,079 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.05/8.69 [2019-03-28 22:56:03,079 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.05/8.69 [2019-03-28 22:56:03,081 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.05/8.69 [2019-03-28 22:56:03,081 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.05/8.69 [2019-03-28 22:56:03,089 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.05/8.69 [2019-03-28 22:56:03,090 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.05/8.69 Termination analysis: LINEAR_WITH_GUESSES 17.05/8.69 Number of strict supporting invariants: 0 17.05/8.69 Number of non-strict supporting invariants: 1 17.05/8.69 Consider only non-deceasing supporting invariants: true 17.05/8.69 Simplify termination arguments: true 17.05/8.69 Simplify supporting invariants: trueOverapproximate stem: false 17.05/8.69 [2019-03-28 22:56:03,090 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.05/8.69 [2019-03-28 22:56:03,090 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.05/8.69 [2019-03-28 22:56:03,091 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.05/8.69 [2019-03-28 22:56:03,091 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.05/8.69 [2019-03-28 22:56:03,091 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.05/8.69 [2019-03-28 22:56:03,092 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.05/8.69 [2019-03-28 22:56:03,092 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.05/8.69 [2019-03-28 22:56:03,093 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.05/8.69 [2019-03-28 22:56:03,094 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.05/8.69 Termination analysis: LINEAR_WITH_GUESSES 17.05/8.69 Number of strict supporting invariants: 0 17.05/8.69 Number of non-strict supporting invariants: 1 17.05/8.69 Consider only non-deceasing supporting invariants: true 17.05/8.69 Simplify termination arguments: true 17.05/8.69 Simplify supporting invariants: trueOverapproximate stem: false 17.05/8.69 [2019-03-28 22:56:03,094 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.05/8.69 [2019-03-28 22:56:03,094 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.05/8.69 [2019-03-28 22:56:03,095 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.05/8.69 [2019-03-28 22:56:03,095 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.05/8.69 [2019-03-28 22:56:03,095 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.05/8.69 [2019-03-28 22:56:03,096 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.05/8.69 [2019-03-28 22:56:03,096 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.05/8.69 [2019-03-28 22:56:03,109 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.05/8.69 [2019-03-28 22:56:03,115 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 17.05/8.69 [2019-03-28 22:56:03,116 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 17.05/8.69 [2019-03-28 22:56:03,118 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.05/8.69 [2019-03-28 22:56:03,118 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.05/8.69 [2019-03-28 22:56:03,118 INFO L518 LassoAnalysis]: Proved termination. 17.05/8.69 [2019-03-28 22:56:03,119 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.05/8.69 Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 17.05/8.69 Supporting invariants [] 17.05/8.69 [2019-03-28 22:56:03,120 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.05/8.69 [2019-03-28 22:56:03,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.05/8.69 [2019-03-28 22:56:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.05/8.69 [2019-03-28 22:56:03,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 17.05/8.69 [2019-03-28 22:56:03,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.05/8.69 [2019-03-28 22:56:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.05/8.69 [2019-03-28 22:56:03,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core 17.05/8.69 [2019-03-28 22:56:03,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.05/8.69 [2019-03-28 22:56:03,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.05/8.69 [2019-03-28 22:56:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.05/8.69 [2019-03-28 22:56:03,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core 17.05/8.69 [2019-03-28 22:56:03,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.05/8.69 [2019-03-28 22:56:03,267 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 5 predicates after loop cannibalization 17.05/8.69 [2019-03-28 22:56:03,272 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 5 loop predicates 17.05/8.69 [2019-03-28 22:56:03,274 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states. Second operand 3 states. 17.05/8.69 [2019-03-28 22:56:03,337 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states.. Second operand 3 states. Result 11 states and 26 transitions. Complement of second has 6 states. 17.05/8.69 [2019-03-28 22:56:03,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states 17.05/8.69 [2019-03-28 22:56:03,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 17.05/8.69 [2019-03-28 22:56:03,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. 17.05/8.69 [2019-03-28 22:56:03,342 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 1 letters. Loop has 3 letters. 17.05/8.69 [2019-03-28 22:56:03,344 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.05/8.69 [2019-03-28 22:56:03,344 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 3 letters. 17.05/8.69 [2019-03-28 22:56:03,344 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.05/8.69 [2019-03-28 22:56:03,344 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 1 letters. Loop has 6 letters. 17.05/8.69 [2019-03-28 22:56:03,345 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.05/8.69 [2019-03-28 22:56:03,350 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 26 transitions. 17.05/8.69 [2019-03-28 22:56:03,352 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 17.05/8.69 [2019-03-28 22:56:03,357 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 8 states and 18 transitions. 17.05/8.69 [2019-03-28 22:56:03,359 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 17.05/8.69 [2019-03-28 22:56:03,359 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 17.05/8.69 [2019-03-28 22:56:03,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 18 transitions. 17.05/8.69 [2019-03-28 22:56:03,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.05/8.69 [2019-03-28 22:56:03,360 INFO L706 BuchiCegarLoop]: Abstraction has 8 states and 18 transitions. 17.05/8.69 [2019-03-28 22:56:03,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 18 transitions. 17.05/8.69 [2019-03-28 22:56:03,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. 17.05/8.69 [2019-03-28 22:56:03,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 17.05/8.69 [2019-03-28 22:56:03,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 16 transitions. 17.05/8.69 [2019-03-28 22:56:03,390 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 16 transitions. 17.05/8.69 [2019-03-28 22:56:03,390 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 16 transitions. 17.05/8.69 [2019-03-28 22:56:03,390 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 17.05/8.69 [2019-03-28 22:56:03,391 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 16 transitions. 17.05/8.69 [2019-03-28 22:56:03,391 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 17.05/8.69 [2019-03-28 22:56:03,391 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.05/8.69 [2019-03-28 22:56:03,391 INFO L119 BuchiIsEmpty]: Starting construction of run 17.05/8.69 [2019-03-28 22:56:03,392 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 17.05/8.69 [2019-03-28 22:56:03,392 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 17.05/8.69 [2019-03-28 22:56:03,393 INFO L794 eck$LassoCheckResult]: Stem: 67#ULTIMATE.startENTRY [35] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 64#L17-2 [33] L17-2-->L20-2: Formula: (and (<= 2 v_ULTIMATE.start_main_~x~0_12) (= v_ULTIMATE.start_main_~x~0_11 (+ v_ULTIMATE.start_main_~x~0_12 (- 1))) (= v_ULTIMATE.start_main_~y~0_11 (+ v_ULTIMATE.start_main_~x~0_11 v_ULTIMATE.start_main_~y~0_12))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 65#L20-2 [47] L20-2-->L20-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 (- 1))) (<= v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_8) (> 0 |v_ULTIMATE.start_main_#t~nondet2_5|)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~y~0] 69#L20-2 17.05/8.69 [2019-03-28 22:56:03,393 INFO L796 eck$LassoCheckResult]: Loop: 69#L20-2 [48] L20-2-->L20-2: Formula: (and (< 0 |v_ULTIMATE.start_main_#t~nondet2_5|) (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 (- 1))) (<= v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~y~0] 69#L20-2 17.05/8.69 [2019-03-28 22:56:03,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.05/8.69 [2019-03-28 22:56:03,393 INFO L82 PathProgramCache]: Analyzing trace with hash 64496, now seen corresponding path program 1 times 17.05/8.69 [2019-03-28 22:56:03,393 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.05/8.69 [2019-03-28 22:56:03,394 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.05/8.69 [2019-03-28 22:56:03,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.05/8.69 [2019-03-28 22:56:03,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.05/8.69 [2019-03-28 22:56:03,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.05/8.69 [2019-03-28 22:56:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.05/8.69 [2019-03-28 22:56:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.05/8.69 [2019-03-28 22:56:03,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.05/8.69 [2019-03-28 22:56:03,407 INFO L82 PathProgramCache]: Analyzing trace with hash 79, now seen corresponding path program 1 times 17.05/8.69 [2019-03-28 22:56:03,407 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.05/8.69 [2019-03-28 22:56:03,407 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.05/8.69 [2019-03-28 22:56:03,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.05/8.69 [2019-03-28 22:56:03,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.05/8.69 [2019-03-28 22:56:03,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.05/8.69 [2019-03-28 22:56:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.05/8.69 [2019-03-28 22:56:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.05/8.69 [2019-03-28 22:56:03,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.05/8.69 [2019-03-28 22:56:03,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1999424, now seen corresponding path program 1 times 17.05/8.69 [2019-03-28 22:56:03,413 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.05/8.69 [2019-03-28 22:56:03,414 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.05/8.69 [2019-03-28 22:56:03,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.05/8.69 [2019-03-28 22:56:03,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.05/8.69 [2019-03-28 22:56:03,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.05/8.69 [2019-03-28 22:56:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.05/8.69 [2019-03-28 22:56:03,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.05/8.69 [2019-03-28 22:56:03,441 INFO L216 LassoAnalysis]: Preferences: 17.05/8.69 [2019-03-28 22:56:03,441 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.05/8.69 [2019-03-28 22:56:03,442 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.05/8.69 [2019-03-28 22:56:03,442 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.05/8.69 [2019-03-28 22:56:03,442 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.05/8.69 [2019-03-28 22:56:03,442 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.05/8.69 [2019-03-28 22:56:03,442 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.05/8.69 [2019-03-28 22:56:03,442 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.05/8.69 [2019-03-28 22:56:03,442 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 17.05/8.69 [2019-03-28 22:56:03,443 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.05/8.69 [2019-03-28 22:56:03,443 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.05/8.69 [2019-03-28 22:56:03,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.05/8.69 [2019-03-28 22:56:03,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.05/8.69 [2019-03-28 22:56:03,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.05/8.69 [2019-03-28 22:56:03,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.05/8.69 [2019-03-28 22:56:03,525 INFO L300 LassoAnalysis]: Preprocessing complete. 17.05/8.69 [2019-03-28 22:56:03,525 INFO L412 LassoAnalysis]: Checking for nontermination... 17.05/8.69 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.05/8.69 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.05/8.69 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.05/8.69 [2019-03-28 22:56:03,532 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.05/8.69 [2019-03-28 22:56:03,532 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.05/8.69 [2019-03-28 22:56:03,561 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.05/8.69 [2019-03-28 22:56:03,561 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: [] 17.05/8.69 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.05/8.69 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.05/8.69 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.05/8.69 [2019-03-28 22:56:03,567 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.05/8.69 [2019-03-28 22:56:03,568 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.05/8.69 [2019-03-28 22:56:03,595 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.05/8.69 [2019-03-28 22:56:03,596 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: [] 17.05/8.69 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.05/8.69 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.05/8.69 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.05/8.69 [2019-03-28 22:56:03,602 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.05/8.69 [2019-03-28 22:56:03,602 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.05/8.69 [2019-03-28 22:56:03,631 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.05/8.69 [2019-03-28 22:56:03,631 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=1} Honda state: {ULTIMATE.start_main_#t~nondet2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.05/8.69 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.05/8.69 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.05/8.69 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.05/8.69 [2019-03-28 22:56:03,642 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.05/8.69 [2019-03-28 22:56:03,642 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.05/8.69 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.05/8.69 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.05/8.69 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.05/8.69 [2019-03-28 22:56:03,675 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.05/8.69 [2019-03-28 22:56:03,675 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.05/8.69 [2019-03-28 22:56:03,953 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.05/8.69 [2019-03-28 22:56:03,956 INFO L216 LassoAnalysis]: Preferences: 17.05/8.69 [2019-03-28 22:56:03,956 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.05/8.69 [2019-03-28 22:56:03,956 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.05/8.69 [2019-03-28 22:56:03,957 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.05/8.69 [2019-03-28 22:56:03,957 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.05/8.69 [2019-03-28 22:56:03,957 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.05/8.69 [2019-03-28 22:56:03,957 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.05/8.69 [2019-03-28 22:56:03,957 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.05/8.69 [2019-03-28 22:56:03,957 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 17.05/8.69 [2019-03-28 22:56:03,957 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.05/8.69 [2019-03-28 22:56:03,957 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.05/8.69 [2019-03-28 22:56:03,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.05/8.69 [2019-03-28 22:56:03,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.05/8.69 [2019-03-28 22:56:03,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.05/8.69 [2019-03-28 22:56:03,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.05/8.69 [2019-03-28 22:56:04,019 INFO L300 LassoAnalysis]: Preprocessing complete. 17.05/8.69 [2019-03-28 22:56:04,019 INFO L497 LassoAnalysis]: Using template 'affine'. 17.05/8.69 [2019-03-28 22:56:04,020 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.05/8.69 Termination analysis: LINEAR_WITH_GUESSES 17.05/8.69 Number of strict supporting invariants: 0 17.05/8.69 Number of non-strict supporting invariants: 1 17.05/8.69 Consider only non-deceasing supporting invariants: true 17.05/8.69 Simplify termination arguments: true 17.05/8.69 Simplify supporting invariants: trueOverapproximate stem: false 17.05/8.69 [2019-03-28 22:56:04,020 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.05/8.69 [2019-03-28 22:56:04,021 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.05/8.69 [2019-03-28 22:56:04,021 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.05/8.69 [2019-03-28 22:56:04,021 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.05/8.69 [2019-03-28 22:56:04,023 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.05/8.69 [2019-03-28 22:56:04,023 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.05/8.69 [2019-03-28 22:56:04,028 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.05/8.69 [2019-03-28 22:56:04,028 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.05/8.69 Termination analysis: LINEAR_WITH_GUESSES 17.05/8.69 Number of strict supporting invariants: 0 17.05/8.69 Number of non-strict supporting invariants: 1 17.05/8.69 Consider only non-deceasing supporting invariants: true 17.05/8.69 Simplify termination arguments: true 17.05/8.69 Simplify supporting invariants: trueOverapproximate stem: false 17.05/8.69 [2019-03-28 22:56:04,029 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.05/8.69 [2019-03-28 22:56:04,029 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.05/8.69 [2019-03-28 22:56:04,029 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.05/8.69 [2019-03-28 22:56:04,029 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.05/8.69 [2019-03-28 22:56:04,029 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.05/8.69 [2019-03-28 22:56:04,030 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.05/8.69 [2019-03-28 22:56:04,030 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.05/8.69 [2019-03-28 22:56:04,032 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.05/8.69 [2019-03-28 22:56:04,033 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.05/8.69 Termination analysis: LINEAR_WITH_GUESSES 17.05/8.69 Number of strict supporting invariants: 0 17.05/8.69 Number of non-strict supporting invariants: 1 17.05/8.69 Consider only non-deceasing supporting invariants: true 17.05/8.69 Simplify termination arguments: true 17.05/8.69 Simplify supporting invariants: trueOverapproximate stem: false 17.05/8.69 [2019-03-28 22:56:04,033 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.05/8.69 [2019-03-28 22:56:04,033 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.05/8.69 [2019-03-28 22:56:04,034 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.05/8.69 [2019-03-28 22:56:04,034 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.05/8.69 [2019-03-28 22:56:04,036 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.05/8.69 [2019-03-28 22:56:04,036 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.05/8.69 [2019-03-28 22:56:04,040 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.05/8.69 [2019-03-28 22:56:04,041 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.05/8.69 Termination analysis: LINEAR_WITH_GUESSES 17.05/8.69 Number of strict supporting invariants: 0 17.05/8.69 Number of non-strict supporting invariants: 1 17.05/8.69 Consider only non-deceasing supporting invariants: true 17.05/8.69 Simplify termination arguments: true 17.05/8.69 Simplify supporting invariants: trueOverapproximate stem: false 17.05/8.69 [2019-03-28 22:56:04,041 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.05/8.69 [2019-03-28 22:56:04,042 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.05/8.69 [2019-03-28 22:56:04,042 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.05/8.69 [2019-03-28 22:56:04,042 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.05/8.69 [2019-03-28 22:56:04,042 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.05/8.69 [2019-03-28 22:56:04,043 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.05/8.69 [2019-03-28 22:56:04,043 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.05/8.69 [2019-03-28 22:56:04,047 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.05/8.69 [2019-03-28 22:56:04,050 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 17.05/8.69 [2019-03-28 22:56:04,050 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. 17.05/8.69 [2019-03-28 22:56:04,051 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.05/8.69 [2019-03-28 22:56:04,051 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.05/8.69 [2019-03-28 22:56:04,051 INFO L518 LassoAnalysis]: Proved termination. 17.05/8.69 [2019-03-28 22:56:04,051 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.05/8.69 Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~y~0) = -2*ULTIMATE.start_main_~x~0 + 2*ULTIMATE.start_main_~y~0 + 1 17.05/8.69 Supporting invariants [] 17.05/8.69 [2019-03-28 22:56:04,052 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.05/8.69 [2019-03-28 22:56:04,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.05/8.69 [2019-03-28 22:56:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.05/8.69 [2019-03-28 22:56:04,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 2 conjunts are in the unsatisfiable core 17.05/8.69 [2019-03-28 22:56:04,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.05/8.69 [2019-03-28 22:56:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.05/8.69 [2019-03-28 22:56:04,086 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 17.05/8.69 [2019-03-28 22:56:04,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.05/8.69 [2019-03-28 22:56:04,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.05/8.69 [2019-03-28 22:56:04,087 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 17.05/8.69 [2019-03-28 22:56:04,087 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 17.05/8.69 [2019-03-28 22:56:04,088 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 16 transitions. cyclomatic complexity: 11 Second operand 2 states. 17.05/8.69 [2019-03-28 22:56:04,108 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 16 transitions. cyclomatic complexity: 11. Second operand 2 states. Result 12 states and 27 transitions. Complement of second has 4 states. 17.05/8.69 [2019-03-28 22:56:04,108 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 17.05/8.69 [2019-03-28 22:56:04,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 17.05/8.69 [2019-03-28 22:56:04,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. 17.05/8.69 [2019-03-28 22:56:04,110 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 3 letters. Loop has 1 letters. 17.05/8.69 [2019-03-28 22:56:04,110 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.05/8.69 [2019-03-28 22:56:04,110 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 4 letters. Loop has 1 letters. 17.05/8.69 [2019-03-28 22:56:04,110 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.05/8.69 [2019-03-28 22:56:04,110 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 3 letters. Loop has 2 letters. 17.05/8.69 [2019-03-28 22:56:04,111 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.05/8.69 [2019-03-28 22:56:04,112 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 27 transitions. 17.05/8.69 [2019-03-28 22:56:04,113 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 17.05/8.69 [2019-03-28 22:56:04,113 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 9 states and 19 transitions. 17.05/8.69 [2019-03-28 22:56:04,114 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 17.05/8.69 [2019-03-28 22:56:04,114 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 17.05/8.69 [2019-03-28 22:56:04,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 19 transitions. 17.05/8.69 [2019-03-28 22:56:04,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.05/8.69 [2019-03-28 22:56:04,114 INFO L706 BuchiCegarLoop]: Abstraction has 9 states and 19 transitions. 17.05/8.69 [2019-03-28 22:56:04,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 19 transitions. 17.05/8.69 [2019-03-28 22:56:04,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 7. 17.05/8.69 [2019-03-28 22:56:04,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 17.05/8.69 [2019-03-28 22:56:04,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 14 transitions. 17.05/8.69 [2019-03-28 22:56:04,116 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 14 transitions. 17.05/8.69 [2019-03-28 22:56:04,116 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 14 transitions. 17.05/8.69 [2019-03-28 22:56:04,116 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 17.05/8.69 [2019-03-28 22:56:04,116 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 14 transitions. 17.05/8.69 [2019-03-28 22:56:04,117 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 17.05/8.69 [2019-03-28 22:56:04,117 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.05/8.69 [2019-03-28 22:56:04,117 INFO L119 BuchiIsEmpty]: Starting construction of run 17.05/8.69 [2019-03-28 22:56:04,117 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 17.05/8.69 [2019-03-28 22:56:04,117 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 17.05/8.69 [2019-03-28 22:56:04,118 INFO L794 eck$LassoCheckResult]: Stem: 117#ULTIMATE.startENTRY [35] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 114#L17-2 [33] L17-2-->L20-2: Formula: (and (<= 2 v_ULTIMATE.start_main_~x~0_12) (= v_ULTIMATE.start_main_~x~0_11 (+ v_ULTIMATE.start_main_~x~0_12 (- 1))) (= v_ULTIMATE.start_main_~y~0_11 (+ v_ULTIMATE.start_main_~x~0_11 v_ULTIMATE.start_main_~y~0_12))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 115#L20-2 [48] L20-2-->L20-2: Formula: (and (< 0 |v_ULTIMATE.start_main_#t~nondet2_5|) (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 (- 1))) (<= v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~y~0] 119#L20-2 17.05/8.69 [2019-03-28 22:56:04,118 INFO L796 eck$LassoCheckResult]: Loop: 119#L20-2 [48] L20-2-->L20-2: Formula: (and (< 0 |v_ULTIMATE.start_main_#t~nondet2_5|) (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 (- 1))) (<= v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~y~0] 119#L20-2 17.05/8.69 [2019-03-28 22:56:04,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.05/8.69 [2019-03-28 22:56:04,118 INFO L82 PathProgramCache]: Analyzing trace with hash 64497, now seen corresponding path program 1 times 17.05/8.69 [2019-03-28 22:56:04,118 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.05/8.69 [2019-03-28 22:56:04,118 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.05/8.69 [2019-03-28 22:56:04,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.05/8.69 [2019-03-28 22:56:04,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.05/8.69 [2019-03-28 22:56:04,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.05/8.69 [2019-03-28 22:56:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.05/8.69 [2019-03-28 22:56:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.05/8.69 [2019-03-28 22:56:04,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.05/8.69 [2019-03-28 22:56:04,128 INFO L82 PathProgramCache]: Analyzing trace with hash 79, now seen corresponding path program 2 times 17.05/8.69 [2019-03-28 22:56:04,128 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.05/8.69 [2019-03-28 22:56:04,128 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.05/8.69 [2019-03-28 22:56:04,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.05/8.69 [2019-03-28 22:56:04,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.05/8.69 [2019-03-28 22:56:04,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.05/8.69 [2019-03-28 22:56:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.05/8.69 [2019-03-28 22:56:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.05/8.69 [2019-03-28 22:56:04,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.05/8.69 [2019-03-28 22:56:04,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1999455, now seen corresponding path program 2 times 17.05/8.69 [2019-03-28 22:56:04,133 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.05/8.69 [2019-03-28 22:56:04,133 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.05/8.69 [2019-03-28 22:56:04,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.05/8.69 [2019-03-28 22:56:04,135 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 17.05/8.69 [2019-03-28 22:56:04,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.05/8.69 [2019-03-28 22:56:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.05/8.69 [2019-03-28 22:56:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.05/8.69 [2019-03-28 22:56:04,157 INFO L216 LassoAnalysis]: Preferences: 17.05/8.69 [2019-03-28 22:56:04,158 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.05/8.69 [2019-03-28 22:56:04,158 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.05/8.69 [2019-03-28 22:56:04,158 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.05/8.69 [2019-03-28 22:56:04,158 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.05/8.69 [2019-03-28 22:56:04,158 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.05/8.69 [2019-03-28 22:56:04,158 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.05/8.69 [2019-03-28 22:56:04,158 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.05/8.69 [2019-03-28 22:56:04,159 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 17.05/8.69 [2019-03-28 22:56:04,159 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.05/8.69 [2019-03-28 22:56:04,159 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.05/8.69 [2019-03-28 22:56:04,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.05/8.69 [2019-03-28 22:56:04,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.05/8.69 [2019-03-28 22:56:04,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.05/8.69 [2019-03-28 22:56:04,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.05/8.69 [2019-03-28 22:56:04,239 INFO L300 LassoAnalysis]: Preprocessing complete. 17.05/8.69 [2019-03-28 22:56:04,239 INFO L412 LassoAnalysis]: Checking for nontermination... 17.05/8.69 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.05/8.69 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.05/8.69 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.05/8.69 [2019-03-28 22:56:04,243 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.05/8.69 [2019-03-28 22:56:04,243 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.05/8.69 [2019-03-28 22:56:04,271 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.05/8.69 [2019-03-28 22:56:04,271 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=1} Honda state: {ULTIMATE.start_main_#t~nondet2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.05/8.69 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.05/8.69 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.05/8.69 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.05/8.69 [2019-03-28 22:56:04,276 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.05/8.69 [2019-03-28 22:56:04,276 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.05/8.69 [2019-03-28 22:56:04,304 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.05/8.69 [2019-03-28 22:56:04,304 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: [] 17.05/8.69 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.05/8.69 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.05/8.69 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.05/8.69 [2019-03-28 22:56:04,309 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.05/8.69 [2019-03-28 22:56:04,309 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.05/8.69 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.05/8.69 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.05/8.69 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.05/8.69 [2019-03-28 22:56:04,341 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.05/8.69 [2019-03-28 22:56:04,341 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.05/8.69 [2019-03-28 22:56:04,597 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.05/8.69 [2019-03-28 22:56:04,600 INFO L216 LassoAnalysis]: Preferences: 17.05/8.69 [2019-03-28 22:56:04,600 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.05/8.69 [2019-03-28 22:56:04,600 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.05/8.69 [2019-03-28 22:56:04,600 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.05/8.69 [2019-03-28 22:56:04,600 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.05/8.69 [2019-03-28 22:56:04,600 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.05/8.69 [2019-03-28 22:56:04,600 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.05/8.69 [2019-03-28 22:56:04,601 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.05/8.69 [2019-03-28 22:56:04,601 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 17.05/8.69 [2019-03-28 22:56:04,601 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.05/8.69 [2019-03-28 22:56:04,601 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.05/8.69 [2019-03-28 22:56:04,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.05/8.69 [2019-03-28 22:56:04,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.05/8.69 [2019-03-28 22:56:04,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.05/8.69 [2019-03-28 22:56:04,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.05/8.69 [2019-03-28 22:56:04,654 INFO L300 LassoAnalysis]: Preprocessing complete. 17.05/8.69 [2019-03-28 22:56:04,654 INFO L497 LassoAnalysis]: Using template 'affine'. 17.05/8.69 [2019-03-28 22:56:04,655 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.05/8.69 Termination analysis: LINEAR_WITH_GUESSES 17.05/8.69 Number of strict supporting invariants: 0 17.05/8.69 Number of non-strict supporting invariants: 1 17.05/8.69 Consider only non-deceasing supporting invariants: true 17.05/8.69 Simplify termination arguments: true 17.05/8.69 Simplify supporting invariants: trueOverapproximate stem: false 17.05/8.69 [2019-03-28 22:56:04,655 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.05/8.69 [2019-03-28 22:56:04,656 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.05/8.69 [2019-03-28 22:56:04,656 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.05/8.69 [2019-03-28 22:56:04,656 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.05/8.69 [2019-03-28 22:56:04,656 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.05/8.69 [2019-03-28 22:56:04,657 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.05/8.69 [2019-03-28 22:56:04,657 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.05/8.69 [2019-03-28 22:56:04,659 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.05/8.69 [2019-03-28 22:56:04,659 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.05/8.69 Termination analysis: LINEAR_WITH_GUESSES 17.05/8.69 Number of strict supporting invariants: 0 17.05/8.69 Number of non-strict supporting invariants: 1 17.05/8.69 Consider only non-deceasing supporting invariants: true 17.05/8.69 Simplify termination arguments: true 17.05/8.69 Simplify supporting invariants: trueOverapproximate stem: false 17.05/8.69 [2019-03-28 22:56:04,660 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.05/8.69 [2019-03-28 22:56:04,660 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.05/8.69 [2019-03-28 22:56:04,660 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.05/8.69 [2019-03-28 22:56:04,660 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.05/8.69 [2019-03-28 22:56:04,661 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.05/8.69 [2019-03-28 22:56:04,662 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.05/8.69 [2019-03-28 22:56:04,666 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.05/8.69 [2019-03-28 22:56:04,666 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.05/8.69 Termination analysis: LINEAR_WITH_GUESSES 17.05/8.69 Number of strict supporting invariants: 0 17.05/8.69 Number of non-strict supporting invariants: 1 17.05/8.69 Consider only non-deceasing supporting invariants: true 17.05/8.69 Simplify termination arguments: true 17.05/8.69 Simplify supporting invariants: trueOverapproximate stem: false 17.05/8.69 [2019-03-28 22:56:04,667 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.05/8.69 [2019-03-28 22:56:04,667 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.05/8.69 [2019-03-28 22:56:04,667 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.05/8.69 [2019-03-28 22:56:04,667 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.05/8.69 [2019-03-28 22:56:04,667 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.05/8.69 [2019-03-28 22:56:04,668 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.05/8.69 [2019-03-28 22:56:04,668 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.05/8.69 [2019-03-28 22:56:04,671 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.05/8.69 [2019-03-28 22:56:04,674 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 17.05/8.69 [2019-03-28 22:56:04,674 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. 17.05/8.69 [2019-03-28 22:56:04,674 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.05/8.69 [2019-03-28 22:56:04,675 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.05/8.69 [2019-03-28 22:56:04,675 INFO L518 LassoAnalysis]: Proved termination. 17.05/8.69 [2019-03-28 22:56:04,675 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.05/8.69 Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0) = 2*ULTIMATE.start_main_~y~0 - 2*ULTIMATE.start_main_~x~0 + 1 17.05/8.69 Supporting invariants [] 17.05/8.69 [2019-03-28 22:56:04,675 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.05/8.69 [2019-03-28 22:56:04,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.05/8.69 [2019-03-28 22:56:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.05/8.69 [2019-03-28 22:56:04,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 2 conjunts are in the unsatisfiable core 17.05/8.69 [2019-03-28 22:56:04,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.05/8.69 [2019-03-28 22:56:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.05/8.69 [2019-03-28 22:56:04,704 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 17.05/8.69 [2019-03-28 22:56:04,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.05/8.69 [2019-03-28 22:56:04,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.05/8.69 [2019-03-28 22:56:04,704 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 17.05/8.69 [2019-03-28 22:56:04,705 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 17.05/8.69 [2019-03-28 22:56:04,705 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 14 transitions. cyclomatic complexity: 9 Second operand 2 states. 17.05/8.69 [2019-03-28 22:56:04,724 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 14 transitions. cyclomatic complexity: 9. Second operand 2 states. Result 11 states and 22 transitions. Complement of second has 4 states. 17.05/8.69 [2019-03-28 22:56:04,725 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 17.05/8.69 [2019-03-28 22:56:04,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 17.05/8.69 [2019-03-28 22:56:04,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. 17.05/8.69 [2019-03-28 22:56:04,726 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 3 letters. Loop has 1 letters. 17.05/8.69 [2019-03-28 22:56:04,726 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.05/8.69 [2019-03-28 22:56:04,726 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 4 letters. Loop has 1 letters. 17.05/8.69 [2019-03-28 22:56:04,726 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.05/8.69 [2019-03-28 22:56:04,726 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 3 letters. Loop has 2 letters. 17.05/8.69 [2019-03-28 22:56:04,727 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.05/8.69 [2019-03-28 22:56:04,728 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 22 transitions. 17.05/8.69 [2019-03-28 22:56:04,729 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 17.05/8.69 [2019-03-28 22:56:04,729 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. 17.05/8.69 [2019-03-28 22:56:04,729 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 17.05/8.69 [2019-03-28 22:56:04,729 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 17.05/8.69 [2019-03-28 22:56:04,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 17.05/8.69 [2019-03-28 22:56:04,729 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 17.05/8.69 [2019-03-28 22:56:04,729 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 17.05/8.69 [2019-03-28 22:56:04,730 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 17.05/8.69 [2019-03-28 22:56:04,730 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 17.05/8.69 [2019-03-28 22:56:04,730 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 17.05/8.69 [2019-03-28 22:56:04,730 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 17.05/8.69 [2019-03-28 22:56:04,730 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 17.05/8.69 [2019-03-28 22:56:04,730 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 17.05/8.69 [2019-03-28 22:56:04,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:56:04 BasicIcfg 17.05/8.69 [2019-03-28 22:56:04,736 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 17.05/8.69 [2019-03-28 22:56:04,737 INFO L168 Benchmark]: Toolchain (without parser) took 3228.99 ms. Allocated memory was 514.9 MB in the beginning and 567.3 MB in the end (delta: 52.4 MB). Free memory was 441.0 MB in the beginning and 430.7 MB in the end (delta: 10.3 MB). Peak memory consumption was 62.7 MB. Max. memory is 50.3 GB. 17.05/8.69 [2019-03-28 22:56:04,738 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 514.9 MB. Free memory is still 460.8 MB. There was no memory consumed. Max. memory is 50.3 GB. 17.05/8.69 [2019-03-28 22:56:04,739 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.23 ms. Allocated memory is still 514.9 MB. Free memory was 440.5 MB in the beginning and 430.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 50.3 GB. 17.05/8.69 [2019-03-28 22:56:04,739 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.40 ms. Allocated memory was 514.9 MB in the beginning and 535.8 MB in the end (delta: 21.0 MB). Free memory was 430.5 MB in the beginning and 505.8 MB in the end (delta: -75.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 50.3 GB. 17.05/8.69 [2019-03-28 22:56:04,740 INFO L168 Benchmark]: Boogie Preprocessor took 21.78 ms. Allocated memory is still 535.8 MB. Free memory was 505.8 MB in the beginning and 503.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 50.3 GB. 17.05/8.69 [2019-03-28 22:56:04,741 INFO L168 Benchmark]: RCFGBuilder took 215.41 ms. Allocated memory is still 535.8 MB. Free memory was 503.9 MB in the beginning and 492.4 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 50.3 GB. 17.05/8.69 [2019-03-28 22:56:04,741 INFO L168 Benchmark]: BlockEncodingV2 took 89.63 ms. Allocated memory is still 535.8 MB. Free memory was 492.4 MB in the beginning and 486.8 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 50.3 GB. 17.05/8.69 [2019-03-28 22:56:04,742 INFO L168 Benchmark]: TraceAbstraction took 157.40 ms. Allocated memory is still 535.8 MB. Free memory was 486.3 MB in the beginning and 477.6 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 17.05/8.69 [2019-03-28 22:56:04,742 INFO L168 Benchmark]: BuchiAutomizer took 2412.92 ms. Allocated memory was 535.8 MB in the beginning and 567.3 MB in the end (delta: 31.5 MB). Free memory was 477.1 MB in the beginning and 430.7 MB in the end (delta: 46.4 MB). Peak memory consumption was 77.8 MB. Max. memory is 50.3 GB. 17.05/8.69 [2019-03-28 22:56:04,746 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 17.05/8.69 --- Results --- 17.05/8.69 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 17.05/8.69 - StatisticsResult: Initial Icfg 17.05/8.69 8 locations, 11 edges 17.05/8.69 - StatisticsResult: Encoded RCFG 17.05/8.69 4 locations, 7 edges 17.05/8.69 * Results from de.uni_freiburg.informatik.ultimate.core: 17.05/8.69 - StatisticsResult: Toolchain Benchmarks 17.05/8.69 Benchmark results are: 17.05/8.69 * CDTParser took 0.17 ms. Allocated memory is still 514.9 MB. Free memory is still 460.8 MB. There was no memory consumed. Max. memory is 50.3 GB. 17.05/8.69 * CACSL2BoogieTranslator took 230.23 ms. Allocated memory is still 514.9 MB. Free memory was 440.5 MB in the beginning and 430.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 50.3 GB. 17.05/8.69 * Boogie Procedure Inliner took 96.40 ms. Allocated memory was 514.9 MB in the beginning and 535.8 MB in the end (delta: 21.0 MB). Free memory was 430.5 MB in the beginning and 505.8 MB in the end (delta: -75.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 50.3 GB. 17.05/8.69 * Boogie Preprocessor took 21.78 ms. Allocated memory is still 535.8 MB. Free memory was 505.8 MB in the beginning and 503.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 50.3 GB. 17.05/8.69 * RCFGBuilder took 215.41 ms. Allocated memory is still 535.8 MB. Free memory was 503.9 MB in the beginning and 492.4 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 50.3 GB. 17.05/8.69 * BlockEncodingV2 took 89.63 ms. Allocated memory is still 535.8 MB. Free memory was 492.4 MB in the beginning and 486.8 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 50.3 GB. 17.05/8.69 * TraceAbstraction took 157.40 ms. Allocated memory is still 535.8 MB. Free memory was 486.3 MB in the beginning and 477.6 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 17.05/8.69 * BuchiAutomizer took 2412.92 ms. Allocated memory was 535.8 MB in the beginning and 567.3 MB in the end (delta: 31.5 MB). Free memory was 477.1 MB in the beginning and 430.7 MB in the end (delta: 46.4 MB). Peak memory consumption was 77.8 MB. Max. memory is 50.3 GB. 17.05/8.69 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 17.05/8.69 - AllSpecificationsHoldResult: All specifications hold 17.05/8.69 We were not able to verify any specifiation because the program does not contain any specification. 17.05/8.69 - InvariantResult [Line: 17]: Loop Invariant 17.05/8.69 Derived loop invariant: 1 17.05/8.69 - InvariantResult [Line: 20]: Loop Invariant 17.05/8.69 Derived loop invariant: 1 17.05/8.69 - StatisticsResult: Ultimate Automizer benchmark data 17.05/8.69 CFG has 1 procedures, 4 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=4occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 17.05/8.69 - StatisticsResult: Constructed decomposition of program 17.05/8.69 Your program was decomposed into 3 terminating modules (0 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function x and consists of 4 locations. One nondeterministic module has affine ranking function -2 * x + 2 * y + 1 and consists of 3 locations. One nondeterministic module has affine ranking function 2 * y + -2 * x + 1 and consists of 3 locations. 17.05/8.69 - StatisticsResult: Timing statistics 17.05/8.69 BüchiAutomizer plugin needed 2.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 29 SDslu, 7 SDs, 0 SdLazy, 61 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax180 hnf100 lsp47 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq163 hnf93 smp100 dnf100 smp100 tf110 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s 17.05/8.69 - TerminationAnalysisResult: Termination proven 17.05/8.69 Buchi Automizer proved that your program is terminating 17.05/8.69 RESULT: Ultimate proved your program to be correct! 17.05/8.69 !SESSION 2019-03-28 22:55:57.299 ----------------------------------------------- 17.05/8.69 eclipse.buildId=unknown 17.05/8.69 java.version=1.8.0_181 17.05/8.69 java.vendor=Oracle Corporation 17.05/8.69 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 17.05/8.69 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 17.05/8.69 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 17.05/8.69 17.05/8.69 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:56:04.979 17.05/8.69 !MESSAGE The workspace will exit with unsaved changes in this session. 17.05/8.69 Received shutdown request... 17.05/8.69 Ultimate: 17.05/8.69 GTK+ Version Check 17.05/8.69 EOF