15.87/7.40 NO 15.87/7.40 15.87/7.40 Ultimate: Cannot open display: 15.87/7.40 This is Ultimate 0.1.24-8dc7c08-m 15.87/7.40 [2019-03-28 12:06:01,524 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.87/7.40 [2019-03-28 12:06:01,526 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.87/7.40 [2019-03-28 12:06:01,538 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.87/7.40 [2019-03-28 12:06:01,538 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.87/7.40 [2019-03-28 12:06:01,539 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.87/7.40 [2019-03-28 12:06:01,540 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.87/7.40 [2019-03-28 12:06:01,542 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.87/7.40 [2019-03-28 12:06:01,543 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.87/7.40 [2019-03-28 12:06:01,544 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.87/7.40 [2019-03-28 12:06:01,545 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.87/7.40 [2019-03-28 12:06:01,545 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.87/7.40 [2019-03-28 12:06:01,546 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.87/7.40 [2019-03-28 12:06:01,547 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.87/7.40 [2019-03-28 12:06:01,548 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.87/7.40 [2019-03-28 12:06:01,549 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.87/7.40 [2019-03-28 12:06:01,549 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.87/7.40 [2019-03-28 12:06:01,551 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.87/7.40 [2019-03-28 12:06:01,553 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.87/7.40 [2019-03-28 12:06:01,554 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.87/7.40 [2019-03-28 12:06:01,555 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.87/7.40 [2019-03-28 12:06:01,556 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.87/7.40 [2019-03-28 12:06:01,559 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.87/7.40 [2019-03-28 12:06:01,559 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.87/7.40 [2019-03-28 12:06:01,559 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.87/7.40 [2019-03-28 12:06:01,560 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.87/7.40 [2019-03-28 12:06:01,560 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.87/7.40 [2019-03-28 12:06:01,561 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.87/7.40 [2019-03-28 12:06:01,561 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.87/7.40 [2019-03-28 12:06:01,562 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.87/7.40 [2019-03-28 12:06:01,563 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.87/7.40 [2019-03-28 12:06:01,563 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.87/7.40 [2019-03-28 12:06:01,564 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.87/7.40 [2019-03-28 12:06:01,564 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.87/7.40 [2019-03-28 12:06:01,565 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.87/7.40 [2019-03-28 12:06:01,565 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.87/7.40 [2019-03-28 12:06:01,565 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.87/7.40 [2019-03-28 12:06:01,566 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.87/7.40 [2019-03-28 12:06:01,567 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.87/7.40 [2019-03-28 12:06:01,567 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 15.87/7.40 [2019-03-28 12:06:01,582 INFO L110 SettingsManager]: Loading preferences was successful 15.87/7.40 [2019-03-28 12:06:01,582 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.87/7.40 [2019-03-28 12:06:01,583 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.87/7.40 [2019-03-28 12:06:01,584 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.87/7.40 [2019-03-28 12:06:01,584 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.87/7.40 [2019-03-28 12:06:01,584 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.87/7.40 [2019-03-28 12:06:01,584 INFO L133 SettingsManager]: * Use SBE=true 15.87/7.40 [2019-03-28 12:06:01,584 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.87/7.40 [2019-03-28 12:06:01,584 INFO L133 SettingsManager]: * Use old map elimination=false 15.87/7.40 [2019-03-28 12:06:01,585 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.87/7.40 [2019-03-28 12:06:01,585 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.87/7.40 [2019-03-28 12:06:01,585 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.87/7.40 [2019-03-28 12:06:01,585 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.87/7.40 [2019-03-28 12:06:01,585 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.87/7.40 [2019-03-28 12:06:01,585 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.87/7.40 [2019-03-28 12:06:01,586 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.87/7.40 [2019-03-28 12:06:01,586 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.87/7.40 [2019-03-28 12:06:01,586 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.87/7.40 [2019-03-28 12:06:01,586 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.87/7.40 [2019-03-28 12:06:01,586 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.87/7.40 [2019-03-28 12:06:01,586 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.87/7.40 [2019-03-28 12:06:01,587 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.87/7.40 [2019-03-28 12:06:01,587 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.87/7.40 [2019-03-28 12:06:01,587 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.87/7.40 [2019-03-28 12:06:01,587 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.87/7.40 [2019-03-28 12:06:01,587 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.87/7.40 [2019-03-28 12:06:01,588 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.87/7.40 [2019-03-28 12:06:01,588 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.87/7.40 [2019-03-28 12:06:01,588 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.87/7.40 [2019-03-28 12:06:01,614 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.87/7.40 [2019-03-28 12:06:01,628 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.87/7.40 [2019-03-28 12:06:01,632 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.87/7.40 [2019-03-28 12:06:01,633 INFO L271 PluginConnector]: Initializing CDTParser... 15.87/7.40 [2019-03-28 12:06:01,633 INFO L276 PluginConnector]: CDTParser initialized 15.87/7.40 [2019-03-28 12:06:01,634 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 15.87/7.40 [2019-03-28 12:06:01,703 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/87f1356e3bed4512866507ba9ba33608/FLAGf06bfbc91 15.87/7.40 [2019-03-28 12:06:02,057 INFO L307 CDTParser]: Found 1 translation units. 15.87/7.40 [2019-03-28 12:06:02,058 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 15.87/7.40 [2019-03-28 12:06:02,065 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/87f1356e3bed4512866507ba9ba33608/FLAGf06bfbc91 15.87/7.40 [2019-03-28 12:06:02,461 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/87f1356e3bed4512866507ba9ba33608 15.87/7.40 [2019-03-28 12:06:02,472 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.87/7.40 [2019-03-28 12:06:02,475 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.87/7.40 [2019-03-28 12:06:02,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.87/7.40 [2019-03-28 12:06:02,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.87/7.40 [2019-03-28 12:06:02,479 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.87/7.40 [2019-03-28 12:06:02,480 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:06:02" (1/1) ... 15.87/7.40 [2019-03-28 12:06:02,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12c59544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:06:02, skipping insertion in model container 15.87/7.40 [2019-03-28 12:06:02,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:06:02" (1/1) ... 15.87/7.40 [2019-03-28 12:06:02,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.87/7.40 [2019-03-28 12:06:02,508 INFO L176 MainTranslator]: Built tables and reachable declarations 15.87/7.40 [2019-03-28 12:06:02,647 WARN L614 FunctionHandler]: implicit declaration of function g 15.87/7.40 [2019-03-28 12:06:02,657 INFO L206 PostProcessor]: Analyzing one entry point: main 15.87/7.40 [2019-03-28 12:06:02,661 INFO L191 MainTranslator]: Completed pre-run 15.87/7.40 [2019-03-28 12:06:02,675 WARN L614 FunctionHandler]: implicit declaration of function g 15.87/7.40 [2019-03-28 12:06:02,677 INFO L206 PostProcessor]: Analyzing one entry point: main 15.87/7.40 [2019-03-28 12:06:02,745 INFO L195 MainTranslator]: Completed translation 15.87/7.40 [2019-03-28 12:06:02,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:06:02 WrapperNode 15.87/7.40 [2019-03-28 12:06:02,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.87/7.40 [2019-03-28 12:06:02,747 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.87/7.40 [2019-03-28 12:06:02,747 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.87/7.40 [2019-03-28 12:06:02,747 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.87/7.40 [2019-03-28 12:06:02,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:06:02" (1/1) ... 15.87/7.40 [2019-03-28 12:06:02,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:06:02" (1/1) ... 15.87/7.40 [2019-03-28 12:06:02,781 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.87/7.40 [2019-03-28 12:06:02,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.87/7.40 [2019-03-28 12:06:02,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.87/7.40 [2019-03-28 12:06:02,781 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.87/7.40 [2019-03-28 12:06:02,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:06:02" (1/1) ... 15.87/7.40 [2019-03-28 12:06:02,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:06:02" (1/1) ... 15.87/7.40 [2019-03-28 12:06:02,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:06:02" (1/1) ... 15.87/7.40 [2019-03-28 12:06:02,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:06:02" (1/1) ... 15.87/7.40 [2019-03-28 12:06:02,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:06:02" (1/1) ... 15.87/7.40 [2019-03-28 12:06:02,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:06:02" (1/1) ... 15.87/7.40 [2019-03-28 12:06:02,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:06:02" (1/1) ... 15.87/7.40 [2019-03-28 12:06:02,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.87/7.40 [2019-03-28 12:06:02,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.87/7.40 [2019-03-28 12:06:02,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.87/7.40 [2019-03-28 12:06:02,799 INFO L276 PluginConnector]: RCFGBuilder initialized 15.87/7.40 [2019-03-28 12:06:02,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:06:02" (1/1) ... 15.87/7.40 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.87/7.40 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.87/7.40 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.87/7.40 [2019-03-28 12:06:02,859 INFO L130 BoogieDeclarations]: Found specification of procedure f 15.87/7.40 [2019-03-28 12:06:02,860 INFO L138 BoogieDeclarations]: Found implementation of procedure f 15.87/7.40 [2019-03-28 12:06:02,860 INFO L130 BoogieDeclarations]: Found specification of procedure g 15.87/7.40 [2019-03-28 12:06:02,860 INFO L138 BoogieDeclarations]: Found implementation of procedure g 15.87/7.40 [2019-03-28 12:06:02,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.87/7.40 [2019-03-28 12:06:02,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.87/7.40 [2019-03-28 12:06:02,996 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.87/7.40 [2019-03-28 12:06:02,996 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. 15.87/7.40 [2019-03-28 12:06:02,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:06:02 BoogieIcfgContainer 15.87/7.40 [2019-03-28 12:06:02,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.87/7.40 [2019-03-28 12:06:02,998 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.87/7.40 [2019-03-28 12:06:02,999 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.87/7.40 [2019-03-28 12:06:03,001 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.87/7.40 [2019-03-28 12:06:03,001 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:06:02" (1/1) ... 15.87/7.40 [2019-03-28 12:06:03,018 INFO L313 BlockEncoder]: Initial Icfg 20 locations, 24 edges 15.87/7.40 [2019-03-28 12:06:03,020 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.87/7.40 [2019-03-28 12:06:03,021 INFO L263 BlockEncoder]: Using Maximize final states 15.87/7.40 [2019-03-28 12:06:03,021 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.87/7.40 [2019-03-28 12:06:03,022 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.87/7.40 [2019-03-28 12:06:03,023 INFO L296 BlockEncoder]: Using Remove sink states 15.87/7.40 [2019-03-28 12:06:03,024 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.87/7.40 [2019-03-28 12:06:03,025 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.87/7.40 [2019-03-28 12:06:03,039 INFO L185 BlockEncoder]: Using Use SBE 15.87/7.40 [2019-03-28 12:06:03,047 INFO L200 BlockEncoder]: SBE split 0 edges 15.87/7.40 [2019-03-28 12:06:03,051 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.87/7.40 [2019-03-28 12:06:03,053 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.87/7.40 [2019-03-28 12:06:03,063 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 15.87/7.40 [2019-03-28 12:06:03,066 INFO L70 RemoveSinkStates]: Removed 2 edges and 2 locations by removing sink states 15.87/7.40 [2019-03-28 12:06:03,067 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.87/7.40 [2019-03-28 12:06:03,068 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.87/7.40 [2019-03-28 12:06:03,068 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.87/7.40 [2019-03-28 12:06:03,069 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.87/7.40 [2019-03-28 12:06:03,069 INFO L313 BlockEncoder]: Encoded RCFG 16 locations, 20 edges 15.87/7.40 [2019-03-28 12:06:03,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:06:03 BasicIcfg 15.87/7.40 [2019-03-28 12:06:03,070 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.87/7.40 [2019-03-28 12:06:03,071 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.87/7.40 [2019-03-28 12:06:03,071 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.87/7.40 [2019-03-28 12:06:03,074 INFO L276 PluginConnector]: TraceAbstraction initialized 15.87/7.40 [2019-03-28 12:06:03,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:06:02" (1/4) ... 15.87/7.40 [2019-03-28 12:06:03,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42172c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:06:03, skipping insertion in model container 15.87/7.40 [2019-03-28 12:06:03,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:06:02" (2/4) ... 15.87/7.40 [2019-03-28 12:06:03,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42172c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:06:03, skipping insertion in model container 15.87/7.40 [2019-03-28 12:06:03,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:06:02" (3/4) ... 15.87/7.40 [2019-03-28 12:06:03,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42172c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:06:03, skipping insertion in model container 15.87/7.40 [2019-03-28 12:06:03,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:06:03" (4/4) ... 15.87/7.40 [2019-03-28 12:06:03,078 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.87/7.40 [2019-03-28 12:06:03,088 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.87/7.40 [2019-03-28 12:06:03,095 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.87/7.40 [2019-03-28 12:06:03,113 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.87/7.40 [2019-03-28 12:06:03,145 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.87/7.40 [2019-03-28 12:06:03,146 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.87/7.40 [2019-03-28 12:06:03,146 INFO L383 AbstractCegarLoop]: Hoare is true 15.87/7.40 [2019-03-28 12:06:03,146 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.87/7.40 [2019-03-28 12:06:03,146 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.87/7.40 [2019-03-28 12:06:03,146 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.87/7.40 [2019-03-28 12:06:03,146 INFO L387 AbstractCegarLoop]: Difference is false 15.87/7.40 [2019-03-28 12:06:03,147 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.87/7.40 [2019-03-28 12:06:03,147 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.87/7.40 [2019-03-28 12:06:03,165 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. 15.87/7.40 [2019-03-28 12:06:03,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.87/7.40 [2019-03-28 12:06:03,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 16 states. 15.87/7.40 [2019-03-28 12:06:03,241 INFO L451 ceAbstractionStarter]: At program point L11(line 11) the Hoare annotation is: true 15.87/7.40 [2019-03-28 12:06:03,241 INFO L448 ceAbstractionStarter]: For program point L10(lines 10 11) no Hoare annotation was computed. 15.87/7.40 [2019-03-28 12:06:03,241 INFO L451 ceAbstractionStarter]: At program point L11-1(line 11) the Hoare annotation is: true 15.87/7.40 [2019-03-28 12:06:03,241 INFO L448 ceAbstractionStarter]: For program point L11-2(line 11) no Hoare annotation was computed. 15.87/7.40 [2019-03-28 12:06:03,241 INFO L448 ceAbstractionStarter]: For program point fEXIT(lines 8 12) no Hoare annotation was computed. 15.87/7.40 [2019-03-28 12:06:03,242 INFO L451 ceAbstractionStarter]: At program point fENTRY(lines 8 12) the Hoare annotation is: true 15.87/7.40 [2019-03-28 12:06:03,242 INFO L448 ceAbstractionStarter]: For program point fFINAL(lines 8 12) no Hoare annotation was computed. 15.87/7.40 [2019-03-28 12:06:03,242 INFO L451 ceAbstractionStarter]: At program point L17(line 17) the Hoare annotation is: true 15.87/7.40 [2019-03-28 12:06:03,242 INFO L448 ceAbstractionStarter]: For program point L16(lines 16 17) no Hoare annotation was computed. 15.87/7.40 [2019-03-28 12:06:03,243 INFO L451 ceAbstractionStarter]: At program point L17-1(line 17) the Hoare annotation is: true 15.87/7.40 [2019-03-28 12:06:03,243 INFO L448 ceAbstractionStarter]: For program point L17-2(line 17) no Hoare annotation was computed. 15.87/7.40 [2019-03-28 12:06:03,243 INFO L448 ceAbstractionStarter]: For program point gEXIT(lines 14 18) no Hoare annotation was computed. 15.87/7.40 [2019-03-28 12:06:03,243 INFO L448 ceAbstractionStarter]: For program point gFINAL(lines 14 18) no Hoare annotation was computed. 15.87/7.40 [2019-03-28 12:06:03,243 INFO L451 ceAbstractionStarter]: At program point gENTRY(lines 14 18) the Hoare annotation is: true 15.87/7.40 [2019-03-28 12:06:03,244 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.87/7.40 [2019-03-28 12:06:03,244 INFO L451 ceAbstractionStarter]: At program point L23(line 23) the Hoare annotation is: true 15.87/7.40 [2019-03-28 12:06:03,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:06:03 BasicIcfg 15.87/7.40 [2019-03-28 12:06:03,248 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.87/7.40 [2019-03-28 12:06:03,248 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.87/7.40 [2019-03-28 12:06:03,248 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.87/7.40 [2019-03-28 12:06:03,252 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.87/7.40 [2019-03-28 12:06:03,253 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.87/7.40 [2019-03-28 12:06:03,253 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:06:02" (1/5) ... 15.87/7.40 [2019-03-28 12:06:03,254 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4764b07b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:06:03, skipping insertion in model container 15.87/7.40 [2019-03-28 12:06:03,254 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.87/7.40 [2019-03-28 12:06:03,254 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:06:02" (2/5) ... 15.87/7.40 [2019-03-28 12:06:03,255 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4764b07b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:06:03, skipping insertion in model container 15.87/7.40 [2019-03-28 12:06:03,255 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.87/7.40 [2019-03-28 12:06:03,255 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:06:02" (3/5) ... 15.87/7.40 [2019-03-28 12:06:03,255 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4764b07b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:06:03, skipping insertion in model container 15.87/7.40 [2019-03-28 12:06:03,255 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.87/7.40 [2019-03-28 12:06:03,255 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:06:03" (4/5) ... 15.87/7.40 [2019-03-28 12:06:03,256 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4764b07b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:06:03, skipping insertion in model container 15.87/7.40 [2019-03-28 12:06:03,256 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.87/7.40 [2019-03-28 12:06:03,256 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:06:03" (5/5) ... 15.87/7.40 [2019-03-28 12:06:03,258 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.87/7.40 [2019-03-28 12:06:03,285 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.87/7.40 [2019-03-28 12:06:03,286 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.87/7.40 [2019-03-28 12:06:03,286 INFO L375 BuchiCegarLoop]: Hoare is true 15.87/7.40 [2019-03-28 12:06:03,286 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.87/7.40 [2019-03-28 12:06:03,286 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.87/7.40 [2019-03-28 12:06:03,286 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.87/7.40 [2019-03-28 12:06:03,287 INFO L379 BuchiCegarLoop]: Difference is false 15.87/7.40 [2019-03-28 12:06:03,287 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.87/7.40 [2019-03-28 12:06:03,287 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.87/7.40 [2019-03-28 12:06:03,291 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. 15.87/7.40 [2019-03-28 12:06:03,312 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 15.87/7.40 [2019-03-28 12:06:03,312 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.87/7.40 [2019-03-28 12:06:03,312 INFO L119 BuchiIsEmpty]: Starting construction of run 15.87/7.40 [2019-03-28 12:06:03,320 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 15.87/7.40 [2019-03-28 12:06:03,320 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] 15.87/7.40 [2019-03-28 12:06:03,320 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.87/7.40 [2019-03-28 12:06:03,320 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. 15.87/7.40 [2019-03-28 12:06:03,322 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 15.87/7.40 [2019-03-28 12:06:03,322 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.87/7.40 [2019-03-28 12:06:03,322 INFO L119 BuchiIsEmpty]: Starting construction of run 15.87/7.40 [2019-03-28 12:06:03,323 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 15.87/7.40 [2019-03-28 12:06:03,323 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] 15.87/7.40 [2019-03-28 12:06:03,328 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue [43] ULTIMATE.startENTRY-->L23: Formula: (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet4_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_1|, ULTIMATE.start_main_#t~ret5=|v_ULTIMATE.start_main_#t~ret5_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet4_4|] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~ret5, ULTIMATE.start_main_~x~0] 17#L23true [51] L23-->gENTRY: Formula: (= |v_g_#in~xInParam_3| v_ULTIMATE.start_main_~x~0_5) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{g_#in~x=|v_g_#in~xInParam_3|} AuxVars[] AssignedVars[g_#in~x]< 13#gENTRYtrue 15.87/7.40 [2019-03-28 12:06:03,329 INFO L796 eck$LassoCheckResult]: Loop: 13#gENTRYtrue [45] gENTRY-->L16: Formula: (= v_g_~x_1 |v_g_#in~x_1|) InVars {g_#in~x=|v_g_#in~x_1|} OutVars{g_#in~x=|v_g_#in~x_1|, g_~x=v_g_~x_1} AuxVars[] AssignedVars[g_~x] 14#L16true [59] L16-->L17: Formula: (> v_g_~x_3 0) InVars {g_~x=v_g_~x_3} OutVars{g_~x=v_g_~x_3} AuxVars[] AssignedVars[] 12#L17true [44] L17-->fENTRY: Formula: (= |v_f_#in~xInParam_1| (+ v_g_~x_6 (- 1))) InVars {g_~x=v_g_~x_6} OutVars{f_#in~x=|v_f_#in~xInParam_1|} AuxVars[] AssignedVars[f_#in~x]< 15#fENTRYtrue [47] fENTRY-->L10: Formula: (= v_f_~x_1 |v_f_#in~x_1|) InVars {f_#in~x=|v_f_#in~x_1|} OutVars{f_~x=v_f_~x_1, f_#in~x=|v_f_#in~x_1|} AuxVars[] AssignedVars[f_~x] 5#L10true [60] L10-->L11: Formula: (> v_f_~x_3 0) InVars {f_~x=v_f_~x_3} OutVars{f_~x=v_f_~x_3} AuxVars[] AssignedVars[] 3#L11true [35] L11-->gENTRY: Formula: (= |v_g_#in~xInParam_1| v_f_~x_6) InVars {f_~x=v_f_~x_6} OutVars{g_#in~x=|v_g_#in~xInParam_1|} AuxVars[] AssignedVars[g_#in~x]< 13#gENTRYtrue 15.87/7.40 [2019-03-28 12:06:03,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.87/7.40 [2019-03-28 12:06:03,335 INFO L82 PathProgramCache]: Analyzing trace with hash 2345, now seen corresponding path program 1 times 15.87/7.40 [2019-03-28 12:06:03,337 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.87/7.40 [2019-03-28 12:06:03,338 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.87/7.40 [2019-03-28 12:06:03,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.87/7.40 [2019-03-28 12:06:03,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.87/7.40 [2019-03-28 12:06:03,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.87/7.40 [2019-03-28 12:06:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.87/7.40 [2019-03-28 12:06:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.87/7.40 [2019-03-28 12:06:03,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.87/7.40 [2019-03-28 12:06:03,399 INFO L82 PathProgramCache]: Analyzing trace with hash -2063306215, now seen corresponding path program 1 times 15.87/7.40 [2019-03-28 12:06:03,400 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.87/7.40 [2019-03-28 12:06:03,400 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.87/7.40 [2019-03-28 12:06:03,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.87/7.40 [2019-03-28 12:06:03,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.87/7.40 [2019-03-28 12:06:03,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.87/7.40 [2019-03-28 12:06:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.87/7.40 [2019-03-28 12:06:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.87/7.40 [2019-03-28 12:06:03,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.87/7.40 [2019-03-28 12:06:03,423 INFO L82 PathProgramCache]: Analyzing trace with hash -518849215, now seen corresponding path program 1 times 15.87/7.40 [2019-03-28 12:06:03,423 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.87/7.40 [2019-03-28 12:06:03,423 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.87/7.40 [2019-03-28 12:06:03,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.87/7.40 [2019-03-28 12:06:03,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.87/7.40 [2019-03-28 12:06:03,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.87/7.40 [2019-03-28 12:06:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.87/7.40 [2019-03-28 12:06:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.87/7.40 [2019-03-28 12:06:03,548 INFO L216 LassoAnalysis]: Preferences: 15.87/7.40 [2019-03-28 12:06:03,549 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.87/7.40 [2019-03-28 12:06:03,550 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.87/7.40 [2019-03-28 12:06:03,550 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.87/7.40 [2019-03-28 12:06:03,550 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.87/7.40 [2019-03-28 12:06:03,550 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.87/7.40 [2019-03-28 12:06:03,550 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.87/7.40 [2019-03-28 12:06:03,550 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.87/7.40 [2019-03-28 12:06:03,551 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.87/7.40 [2019-03-28 12:06:03,551 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.87/7.40 [2019-03-28 12:06:03,551 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.87/7.40 [2019-03-28 12:06:03,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.87/7.40 [2019-03-28 12:06:03,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.87/7.40 [2019-03-28 12:06:03,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.87/7.40 [2019-03-28 12:06:03,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.87/7.40 [2019-03-28 12:06:03,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.87/7.40 [2019-03-28 12:06:03,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.87/7.40 [2019-03-28 12:06:03,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.87/7.40 [2019-03-28 12:06:03,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.87/7.40 [2019-03-28 12:06:03,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.87/7.40 [2019-03-28 12:06:03,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.87/7.40 [2019-03-28 12:06:03,680 INFO L300 LassoAnalysis]: Preprocessing complete. 15.87/7.40 [2019-03-28 12:06:03,681 INFO L412 LassoAnalysis]: Checking for nontermination... 15.87/7.40 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.87/7.40 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.87/7.40 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.87/7.40 [2019-03-28 12:06:03,689 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.87/7.40 [2019-03-28 12:06:03,689 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.87/7.40 [2019-03-28 12:06:03,698 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.87/7.40 [2019-03-28 12:06:03,699 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {f_#res=0} Honda state: {f_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.87/7.40 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.87/7.40 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.87/7.40 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.87/7.40 [2019-03-28 12:06:03,728 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.87/7.40 [2019-03-28 12:06:03,728 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.87/7.40 [2019-03-28 12:06:03,732 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.87/7.40 [2019-03-28 12:06:03,732 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {g_#t~ret2=0} Honda state: {g_#t~ret2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.87/7.40 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.87/7.40 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.87/7.40 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.87/7.40 [2019-03-28 12:06:03,760 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.87/7.40 [2019-03-28 12:06:03,760 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.87/7.40 [2019-03-28 12:06:03,763 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.87/7.40 [2019-03-28 12:06:03,764 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {g_#t~ret3=0} Honda state: {g_#t~ret3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.87/7.40 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.87/7.40 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.87/7.40 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.87/7.40 [2019-03-28 12:06:03,795 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.87/7.40 [2019-03-28 12:06:03,795 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.87/7.40 [2019-03-28 12:06:03,799 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.87/7.40 [2019-03-28 12:06:03,799 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {g_#res=0} Honda state: {g_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.87/7.40 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.87/7.40 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.87/7.40 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.87/7.40 [2019-03-28 12:06:03,826 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.87/7.40 [2019-03-28 12:06:03,826 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.87/7.40 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.87/7.40 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.87/7.40 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.87/7.40 [2019-03-28 12:06:03,857 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.87/7.40 [2019-03-28 12:06:03,857 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.87/7.40 [2019-03-28 12:06:03,935 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.87/7.40 [2019-03-28 12:06:03,938 INFO L216 LassoAnalysis]: Preferences: 15.87/7.40 [2019-03-28 12:06:03,938 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.87/7.40 [2019-03-28 12:06:03,938 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.87/7.40 [2019-03-28 12:06:03,938 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.87/7.40 [2019-03-28 12:06:03,938 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.87/7.40 [2019-03-28 12:06:03,938 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.87/7.40 [2019-03-28 12:06:03,938 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.87/7.40 [2019-03-28 12:06:03,939 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.87/7.40 [2019-03-28 12:06:03,939 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.87/7.40 [2019-03-28 12:06:03,939 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.87/7.40 [2019-03-28 12:06:03,939 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.87/7.40 [2019-03-28 12:06:03,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.87/7.40 [2019-03-28 12:06:03,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.87/7.40 [2019-03-28 12:06:03,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.87/7.40 [2019-03-28 12:06:03,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.87/7.40 [2019-03-28 12:06:03,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.87/7.40 [2019-03-28 12:06:03,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.87/7.40 [2019-03-28 12:06:03,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.87/7.40 [2019-03-28 12:06:03,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.87/7.40 [2019-03-28 12:06:03,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.87/7.40 [2019-03-28 12:06:03,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.87/7.40 [2019-03-28 12:06:04,032 INFO L300 LassoAnalysis]: Preprocessing complete. 15.87/7.40 [2019-03-28 12:06:04,038 INFO L497 LassoAnalysis]: Using template 'affine'. 15.87/7.40 [2019-03-28 12:06:04,040 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.87/7.40 Termination analysis: LINEAR_WITH_GUESSES 15.87/7.40 Number of strict supporting invariants: 0 15.87/7.40 Number of non-strict supporting invariants: 1 15.87/7.40 Consider only non-deceasing supporting invariants: true 15.87/7.40 Simplify termination arguments: true 15.87/7.40 Simplify supporting invariants: trueOverapproximate stem: false 15.87/7.40 [2019-03-28 12:06:04,041 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.87/7.40 [2019-03-28 12:06:04,041 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.87/7.40 [2019-03-28 12:06:04,042 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.87/7.40 [2019-03-28 12:06:04,042 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.87/7.40 [2019-03-28 12:06:04,042 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.87/7.40 [2019-03-28 12:06:04,044 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.87/7.40 [2019-03-28 12:06:04,045 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.87/7.40 [2019-03-28 12:06:04,049 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.87/7.40 [2019-03-28 12:06:04,049 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.87/7.40 Termination analysis: LINEAR_WITH_GUESSES 15.87/7.40 Number of strict supporting invariants: 0 15.87/7.40 Number of non-strict supporting invariants: 1 15.87/7.40 Consider only non-deceasing supporting invariants: true 15.87/7.40 Simplify termination arguments: true 15.87/7.40 Simplify supporting invariants: trueOverapproximate stem: false 15.87/7.40 [2019-03-28 12:06:04,050 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.87/7.40 [2019-03-28 12:06:04,050 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.87/7.40 [2019-03-28 12:06:04,050 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.87/7.40 [2019-03-28 12:06:04,050 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.87/7.40 [2019-03-28 12:06:04,050 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.87/7.40 [2019-03-28 12:06:04,051 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.87/7.40 [2019-03-28 12:06:04,051 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.87/7.40 [2019-03-28 12:06:04,053 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.87/7.40 [2019-03-28 12:06:04,053 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.87/7.40 Termination analysis: LINEAR_WITH_GUESSES 15.87/7.40 Number of strict supporting invariants: 0 15.87/7.40 Number of non-strict supporting invariants: 1 15.87/7.40 Consider only non-deceasing supporting invariants: true 15.87/7.40 Simplify termination arguments: true 15.87/7.40 Simplify supporting invariants: trueOverapproximate stem: false 15.87/7.40 [2019-03-28 12:06:04,054 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.87/7.40 [2019-03-28 12:06:04,054 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.87/7.40 [2019-03-28 12:06:04,054 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.87/7.40 [2019-03-28 12:06:04,054 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.87/7.40 [2019-03-28 12:06:04,054 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.87/7.40 [2019-03-28 12:06:04,055 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.87/7.40 [2019-03-28 12:06:04,055 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.87/7.40 [2019-03-28 12:06:04,057 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.87/7.40 [2019-03-28 12:06:04,057 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.87/7.40 Termination analysis: LINEAR_WITH_GUESSES 15.87/7.40 Number of strict supporting invariants: 0 15.87/7.40 Number of non-strict supporting invariants: 1 15.87/7.40 Consider only non-deceasing supporting invariants: true 15.87/7.40 Simplify termination arguments: true 15.87/7.40 Simplify supporting invariants: trueOverapproximate stem: false 15.87/7.40 [2019-03-28 12:06:04,058 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.87/7.40 [2019-03-28 12:06:04,058 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.87/7.40 [2019-03-28 12:06:04,058 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.87/7.40 [2019-03-28 12:06:04,058 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.87/7.40 [2019-03-28 12:06:04,058 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.87/7.40 [2019-03-28 12:06:04,059 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.87/7.40 [2019-03-28 12:06:04,059 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.87/7.40 [2019-03-28 12:06:04,060 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.87/7.40 [2019-03-28 12:06:04,061 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.87/7.40 Termination analysis: LINEAR_WITH_GUESSES 15.87/7.40 Number of strict supporting invariants: 0 15.87/7.40 Number of non-strict supporting invariants: 1 15.87/7.40 Consider only non-deceasing supporting invariants: true 15.87/7.40 Simplify termination arguments: true 15.87/7.40 Simplify supporting invariants: trueOverapproximate stem: false 15.87/7.40 [2019-03-28 12:06:04,061 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.87/7.40 [2019-03-28 12:06:04,061 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.87/7.40 [2019-03-28 12:06:04,062 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.87/7.40 [2019-03-28 12:06:04,062 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.87/7.40 [2019-03-28 12:06:04,062 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.87/7.40 [2019-03-28 12:06:04,063 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.87/7.40 [2019-03-28 12:06:04,063 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.87/7.40 [2019-03-28 12:06:04,064 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.87/7.40 [2019-03-28 12:06:04,064 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.87/7.40 Termination analysis: LINEAR_WITH_GUESSES 15.87/7.40 Number of strict supporting invariants: 0 15.87/7.40 Number of non-strict supporting invariants: 1 15.87/7.40 Consider only non-deceasing supporting invariants: true 15.87/7.40 Simplify termination arguments: true 15.87/7.40 Simplify supporting invariants: trueOverapproximate stem: false 15.87/7.40 [2019-03-28 12:06:04,065 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.87/7.40 [2019-03-28 12:06:04,065 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.87/7.40 [2019-03-28 12:06:04,065 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.87/7.40 [2019-03-28 12:06:04,065 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.87/7.40 [2019-03-28 12:06:04,066 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.87/7.40 [2019-03-28 12:06:04,066 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.87/7.40 [2019-03-28 12:06:04,066 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.87/7.40 [2019-03-28 12:06:04,068 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.87/7.40 [2019-03-28 12:06:04,068 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.87/7.40 Termination analysis: LINEAR_WITH_GUESSES 15.87/7.40 Number of strict supporting invariants: 0 15.87/7.40 Number of non-strict supporting invariants: 1 15.87/7.40 Consider only non-deceasing supporting invariants: true 15.87/7.40 Simplify termination arguments: true 15.87/7.40 Simplify supporting invariants: trueOverapproximate stem: false 15.87/7.40 [2019-03-28 12:06:04,069 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.87/7.40 [2019-03-28 12:06:04,069 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.87/7.40 [2019-03-28 12:06:04,069 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.87/7.40 [2019-03-28 12:06:04,069 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.87/7.40 [2019-03-28 12:06:04,069 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.87/7.40 [2019-03-28 12:06:04,070 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.87/7.40 [2019-03-28 12:06:04,070 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.87/7.40 [2019-03-28 12:06:04,077 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.87/7.40 [2019-03-28 12:06:04,081 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.87/7.40 [2019-03-28 12:06:04,082 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 15.87/7.40 [2019-03-28 12:06:04,084 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.87/7.40 [2019-03-28 12:06:04,084 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.87/7.40 [2019-03-28 12:06:04,084 INFO L518 LassoAnalysis]: Proved termination. 15.87/7.40 [2019-03-28 12:06:04,085 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.87/7.40 Ranking function f(g_#in~x) = 1*g_#in~x 15.87/7.40 Supporting invariants [] 15.87/7.40 [2019-03-28 12:06:04,086 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.87/7.40 [2019-03-28 12:06:04,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.87/7.40 [2019-03-28 12:06:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.87/7.40 [2019-03-28 12:06:04,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core 15.87/7.40 [2019-03-28 12:06:04,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.87/7.40 [2019-03-28 12:06:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.87/7.40 [2019-03-28 12:06:04,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 11 conjunts are in the unsatisfiable core 15.87/7.40 [2019-03-28 12:06:04,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.87/7.40 [2019-03-28 12:06:04,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.87/7.40 [2019-03-28 12:06:04,266 INFO L98 LoopCannibalizer]: 5 predicates before loop cannibalization 5 predicates after loop cannibalization 15.87/7.40 [2019-03-28 12:06:04,271 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 15.87/7.40 [2019-03-28 12:06:04,273 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 16 states. Second operand 6 states. 15.87/7.40 [2019-03-28 12:06:04,462 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 16 states.. Second operand 6 states. Result 62 states and 82 transitions. Complement of second has 28 states. 15.87/7.40 [2019-03-28 12:06:04,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states 15.87/7.40 [2019-03-28 12:06:04,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. 15.87/7.40 [2019-03-28 12:06:04,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 34 transitions. 15.87/7.40 [2019-03-28 12:06:04,469 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 34 transitions. Stem has 2 letters. Loop has 6 letters. 15.87/7.40 [2019-03-28 12:06:04,471 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.87/7.40 [2019-03-28 12:06:04,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 34 transitions. Stem has 8 letters. Loop has 6 letters. 15.87/7.40 [2019-03-28 12:06:04,472 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.87/7.40 [2019-03-28 12:06:04,472 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 34 transitions. Stem has 2 letters. Loop has 12 letters. 15.87/7.40 [2019-03-28 12:06:04,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.87/7.40 [2019-03-28 12:06:04,481 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 82 transitions. 15.87/7.40 [2019-03-28 12:06:04,487 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 15.87/7.40 [2019-03-28 12:06:04,497 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 47 states and 63 transitions. 15.87/7.40 [2019-03-28 12:06:04,498 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 15.87/7.40 [2019-03-28 12:06:04,498 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 15.87/7.40 [2019-03-28 12:06:04,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 63 transitions. 15.87/7.40 [2019-03-28 12:06:04,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.87/7.40 [2019-03-28 12:06:04,502 INFO L706 BuchiCegarLoop]: Abstraction has 47 states and 63 transitions. 15.87/7.40 [2019-03-28 12:06:04,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 63 transitions. 15.87/7.40 [2019-03-28 12:06:04,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 44. 15.87/7.40 [2019-03-28 12:06:04,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. 15.87/7.40 [2019-03-28 12:06:04,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions. 15.87/7.40 [2019-03-28 12:06:04,540 INFO L729 BuchiCegarLoop]: Abstraction has 44 states and 56 transitions. 15.87/7.40 [2019-03-28 12:06:04,541 INFO L609 BuchiCegarLoop]: Abstraction has 44 states and 56 transitions. 15.87/7.40 [2019-03-28 12:06:04,541 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.87/7.40 [2019-03-28 12:06:04,541 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 56 transitions. 15.87/7.40 [2019-03-28 12:06:04,543 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 15.87/7.40 [2019-03-28 12:06:04,543 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.87/7.40 [2019-03-28 12:06:04,543 INFO L119 BuchiIsEmpty]: Starting construction of run 15.87/7.40 [2019-03-28 12:06:04,545 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] 15.87/7.40 [2019-03-28 12:06:04,545 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] 15.87/7.40 [2019-03-28 12:06:04,545 INFO L794 eck$LassoCheckResult]: Stem: 187#ULTIMATE.startENTRY [43] ULTIMATE.startENTRY-->L23: Formula: (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet4_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_1|, ULTIMATE.start_main_#t~ret5=|v_ULTIMATE.start_main_#t~ret5_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet4_4|] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~ret5, ULTIMATE.start_main_~x~0] 185#L23 [51] L23-->gENTRY: Formula: (= |v_g_#in~xInParam_3| v_ULTIMATE.start_main_~x~0_5) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{g_#in~x=|v_g_#in~xInParam_3|} AuxVars[] AssignedVars[g_#in~x]< 188#gENTRY [45] gENTRY-->L16: Formula: (= v_g_~x_1 |v_g_#in~x_1|) InVars {g_#in~x=|v_g_#in~x_1|} OutVars{g_#in~x=|v_g_#in~x_1|, g_~x=v_g_~x_1} AuxVars[] AssignedVars[g_~x] 189#L16 [59] L16-->L17: Formula: (> v_g_~x_3 0) InVars {g_~x=v_g_~x_3} OutVars{g_~x=v_g_~x_3} AuxVars[] AssignedVars[] 166#L17 [44] L17-->fENTRY: Formula: (= |v_f_#in~xInParam_1| (+ v_g_~x_6 (- 1))) InVars {g_~x=v_g_~x_6} OutVars{f_#in~x=|v_f_#in~xInParam_1|} AuxVars[] AssignedVars[f_#in~x]< 186#fENTRY [47] fENTRY-->L10: Formula: (= v_f_~x_1 |v_f_#in~x_1|) InVars {f_#in~x=|v_f_#in~x_1|} OutVars{f_~x=v_f_~x_1, f_#in~x=|v_f_#in~x_1|} AuxVars[] AssignedVars[f_~x] 200#L10 [60] L10-->L11: Formula: (> v_f_~x_3 0) InVars {f_~x=v_f_~x_3} OutVars{f_~x=v_f_~x_3} AuxVars[] AssignedVars[] 165#L11 [35] L11-->gENTRY: Formula: (= |v_g_#in~xInParam_1| v_f_~x_6) InVars {f_~x=v_f_~x_6} OutVars{g_#in~x=|v_g_#in~xInParam_1|} AuxVars[] AssignedVars[g_#in~x]< 168#gENTRY [45] gENTRY-->L16: Formula: (= v_g_~x_1 |v_g_#in~x_1|) InVars {g_#in~x=|v_g_#in~x_1|} OutVars{g_#in~x=|v_g_#in~x_1|, g_~x=v_g_~x_1} AuxVars[] AssignedVars[g_~x] 191#L16 [48] L16-->gFINAL: Formula: (and (= |v_g_#res_2| 0) (<= v_g_~x_2 0)) InVars {g_~x=v_g_~x_2} OutVars{g_#res=|v_g_#res_2|, g_~x=v_g_~x_2} AuxVars[] AssignedVars[g_#res] 176#gFINAL [39] gFINAL-->gEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 177#gEXIT >[56] gEXIT-->L11-1: AOR: Formula: (= |v_f_#t~ret0_4| |v_g_#resOutParam_1|) InVars {g_#res=|v_g_#resOutParam_1|} OutVars{f_#t~ret0=|v_f_#t~ret0_4|} AuxVars[] AssignedVars[f_#t~ret0] LVA: Formula: (= |v_g_#in~xInParam_1| v_f_~x_6) InVars {f_~x=v_f_~x_6} OutVars{g_#in~x=|v_g_#in~xInParam_1|} AuxVars[] AssignedVars[g_#in~x] 171#L11-1 15.87/7.40 [2019-03-28 12:06:04,546 INFO L796 eck$LassoCheckResult]: Loop: 171#L11-1 [38] L11-1-->gENTRY: Formula: (= |v_g_#in~xInParam_2| (+ v_f_~x_7 1)) InVars {f_~x=v_f_~x_7} OutVars{g_#in~x=|v_g_#in~xInParam_2|} AuxVars[] AssignedVars[g_#in~x]< 164#gENTRY [45] gENTRY-->L16: Formula: (= v_g_~x_1 |v_g_#in~x_1|) InVars {g_#in~x=|v_g_#in~x_1|} OutVars{g_#in~x=|v_g_#in~x_1|, g_~x=v_g_~x_1} AuxVars[] AssignedVars[g_~x] 201#L16 [59] L16-->L17: Formula: (> v_g_~x_3 0) InVars {g_~x=v_g_~x_3} OutVars{g_~x=v_g_~x_3} AuxVars[] AssignedVars[] 162#L17 [44] L17-->fENTRY: Formula: (= |v_f_#in~xInParam_1| (+ v_g_~x_6 (- 1))) InVars {g_~x=v_g_~x_6} OutVars{f_#in~x=|v_f_#in~xInParam_1|} AuxVars[] AssignedVars[f_#in~x]< 193#fENTRY [47] fENTRY-->L10: Formula: (= v_f_~x_1 |v_f_#in~x_1|) InVars {f_#in~x=|v_f_#in~x_1|} OutVars{f_~x=v_f_~x_1, f_#in~x=|v_f_#in~x_1|} AuxVars[] AssignedVars[f_~x] 196#L10 [60] L10-->L11: Formula: (> v_f_~x_3 0) InVars {f_~x=v_f_~x_3} OutVars{f_~x=v_f_~x_3} AuxVars[] AssignedVars[] 161#L11 [35] L11-->gENTRY: Formula: (= |v_g_#in~xInParam_1| v_f_~x_6) InVars {f_~x=v_f_~x_6} OutVars{g_#in~x=|v_g_#in~xInParam_1|} AuxVars[] AssignedVars[g_#in~x]< 164#gENTRY [45] gENTRY-->L16: Formula: (= v_g_~x_1 |v_g_#in~x_1|) InVars {g_#in~x=|v_g_#in~x_1|} OutVars{g_#in~x=|v_g_#in~x_1|, g_~x=v_g_~x_1} AuxVars[] AssignedVars[g_~x] 201#L16 [48] L16-->gFINAL: Formula: (and (= |v_g_#res_2| 0) (<= v_g_~x_2 0)) InVars {g_~x=v_g_~x_2} OutVars{g_#res=|v_g_#res_2|, g_~x=v_g_~x_2} AuxVars[] AssignedVars[g_#res] 195#gFINAL [39] gFINAL-->gEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 204#gEXIT >[56] gEXIT-->L11-1: AOR: Formula: (= |v_f_#t~ret0_4| |v_g_#resOutParam_1|) InVars {g_#res=|v_g_#resOutParam_1|} OutVars{f_#t~ret0=|v_f_#t~ret0_4|} AuxVars[] AssignedVars[f_#t~ret0] LVA: Formula: (= |v_g_#in~xInParam_1| v_f_~x_6) InVars {f_~x=v_f_~x_6} OutVars{g_#in~x=|v_g_#in~xInParam_1|} AuxVars[] AssignedVars[g_#in~x] 171#L11-1 15.87/7.40 [2019-03-28 12:06:04,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.87/7.40 [2019-03-28 12:06:04,546 INFO L82 PathProgramCache]: Analyzing trace with hash -118119787, now seen corresponding path program 1 times 15.87/7.40 [2019-03-28 12:06:04,546 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.87/7.40 [2019-03-28 12:06:04,547 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.87/7.40 [2019-03-28 12:06:04,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.87/7.40 [2019-03-28 12:06:04,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.87/7.40 [2019-03-28 12:06:04,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.87/7.40 [2019-03-28 12:06:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.87/7.40 [2019-03-28 12:06:04,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. 15.87/7.40 [2019-03-28 12:06:04,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 15.87/7.40 [2019-03-28 12:06:04,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 15.87/7.40 [2019-03-28 12:06:04,623 INFO L799 eck$LassoCheckResult]: stem already infeasible 15.87/7.40 [2019-03-28 12:06:04,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.87/7.40 [2019-03-28 12:06:04,624 INFO L82 PathProgramCache]: Analyzing trace with hash 934307505, now seen corresponding path program 1 times 15.87/7.40 [2019-03-28 12:06:04,624 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.87/7.40 [2019-03-28 12:06:04,624 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.87/7.40 [2019-03-28 12:06:04,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.87/7.40 [2019-03-28 12:06:04,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.87/7.40 [2019-03-28 12:06:04,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.87/7.40 [2019-03-28 12:06:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.87/7.40 [2019-03-28 12:06:04,656 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. 15.87/7.40 [2019-03-28 12:06:04,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 15.87/7.40 [2019-03-28 12:06:04,657 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 15.87/7.40 [2019-03-28 12:06:04,657 INFO L811 eck$LassoCheckResult]: loop already infeasible 15.87/7.40 [2019-03-28 12:06:04,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. 15.87/7.40 [2019-03-28 12:06:04,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 15.87/7.40 [2019-03-28 12:06:04,661 INFO L87 Difference]: Start difference. First operand 44 states and 56 transitions. cyclomatic complexity: 14 Second operand 5 states. 15.87/7.40 [2019-03-28 12:06:04,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.87/7.40 [2019-03-28 12:06:04,728 INFO L93 Difference]: Finished difference Result 48 states and 59 transitions. 15.87/7.40 [2019-03-28 12:06:04,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 15.87/7.40 [2019-03-28 12:06:04,731 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 59 transitions. 15.87/7.40 [2019-03-28 12:06:04,734 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 15.87/7.40 [2019-03-28 12:06:04,736 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 44 states and 55 transitions. 15.87/7.40 [2019-03-28 12:06:04,737 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 15.87/7.40 [2019-03-28 12:06:04,737 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 15.87/7.40 [2019-03-28 12:06:04,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 55 transitions. 15.87/7.40 [2019-03-28 12:06:04,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.87/7.40 [2019-03-28 12:06:04,738 INFO L706 BuchiCegarLoop]: Abstraction has 44 states and 55 transitions. 15.87/7.40 [2019-03-28 12:06:04,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states and 55 transitions. 15.87/7.40 [2019-03-28 12:06:04,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. 15.87/7.40 [2019-03-28 12:06:04,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. 15.87/7.40 [2019-03-28 12:06:04,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 55 transitions. 15.87/7.40 [2019-03-28 12:06:04,744 INFO L729 BuchiCegarLoop]: Abstraction has 44 states and 55 transitions. 15.87/7.40 [2019-03-28 12:06:04,744 INFO L609 BuchiCegarLoop]: Abstraction has 44 states and 55 transitions. 15.87/7.40 [2019-03-28 12:06:04,744 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 15.87/7.40 [2019-03-28 12:06:04,744 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 55 transitions. 15.87/7.40 [2019-03-28 12:06:04,746 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 15.87/7.40 [2019-03-28 12:06:04,746 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.87/7.40 [2019-03-28 12:06:04,746 INFO L119 BuchiIsEmpty]: Starting construction of run 15.87/7.40 [2019-03-28 12:06:04,748 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] 15.87/7.40 [2019-03-28 12:06:04,748 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] 15.87/7.40 [2019-03-28 12:06:04,749 INFO L794 eck$LassoCheckResult]: Stem: 290#ULTIMATE.startENTRY [43] ULTIMATE.startENTRY-->L23: Formula: (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet4_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_1|, ULTIMATE.start_main_#t~ret5=|v_ULTIMATE.start_main_#t~ret5_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet4_4|] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~ret5, ULTIMATE.start_main_~x~0] 282#L23 [51] L23-->gENTRY: Formula: (= |v_g_#in~xInParam_3| v_ULTIMATE.start_main_~x~0_5) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{g_#in~x=|v_g_#in~xInParam_3|} AuxVars[] AssignedVars[g_#in~x]< 293#gENTRY [45] gENTRY-->L16: Formula: (= v_g_~x_1 |v_g_#in~x_1|) InVars {g_#in~x=|v_g_#in~x_1|} OutVars{g_#in~x=|v_g_#in~x_1|, g_~x=v_g_~x_1} AuxVars[] AssignedVars[g_~x] 294#L16 [59] L16-->L17: Formula: (> v_g_~x_3 0) InVars {g_~x=v_g_~x_3} OutVars{g_~x=v_g_~x_3} AuxVars[] AssignedVars[] 272#L17 [44] L17-->fENTRY: Formula: (= |v_f_#in~xInParam_1| (+ v_g_~x_6 (- 1))) InVars {g_~x=v_g_~x_6} OutVars{f_#in~x=|v_f_#in~xInParam_1|} AuxVars[] AssignedVars[f_#in~x]< 292#fENTRY [47] fENTRY-->L10: Formula: (= v_f_~x_1 |v_f_#in~x_1|) InVars {f_#in~x=|v_f_#in~x_1|} OutVars{f_~x=v_f_~x_1, f_#in~x=|v_f_#in~x_1|} AuxVars[] AssignedVars[f_~x] 309#L10 [60] L10-->L11: Formula: (> v_f_~x_3 0) InVars {f_~x=v_f_~x_3} OutVars{f_~x=v_f_~x_3} AuxVars[] AssignedVars[] 270#L11 [35] L11-->gENTRY: Formula: (= |v_g_#in~xInParam_1| v_f_~x_6) InVars {f_~x=v_f_~x_6} OutVars{g_#in~x=|v_g_#in~xInParam_1|} AuxVars[] AssignedVars[g_#in~x]< 275#gENTRY [45] gENTRY-->L16: Formula: (= v_g_~x_1 |v_g_#in~x_1|) InVars {g_#in~x=|v_g_#in~x_1|} OutVars{g_#in~x=|v_g_#in~x_1|, g_~x=v_g_~x_1} AuxVars[] AssignedVars[g_~x] 296#L16 [59] L16-->L17: Formula: (> v_g_~x_3 0) InVars {g_~x=v_g_~x_3} OutVars{g_~x=v_g_~x_3} AuxVars[] AssignedVars[] 277#L17 [44] L17-->fENTRY: Formula: (= |v_f_#in~xInParam_1| (+ v_g_~x_6 (- 1))) InVars {g_~x=v_g_~x_6} OutVars{f_#in~x=|v_f_#in~xInParam_1|} AuxVars[] AssignedVars[f_#in~x]< 291#fENTRY [47] fENTRY-->L10: Formula: (= v_f_~x_1 |v_f_#in~x_1|) InVars {f_#in~x=|v_f_#in~x_1|} OutVars{f_~x=v_f_~x_1, f_#in~x=|v_f_#in~x_1|} AuxVars[] AssignedVars[f_~x] 276#L10 [36] L10-->fFINAL: Formula: (and (<= v_f_~x_2 0) (= |v_f_#res_1| 0)) InVars {f_~x=v_f_~x_2} OutVars{f_#res=|v_f_#res_1|, f_~x=v_f_~x_2} AuxVars[] AssignedVars[f_#res] 278#fFINAL [41] fFINAL-->fEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 286#fEXIT >[54] fEXIT-->L17-1: AOR: Formula: (= |v_g_#t~ret2_4| |v_f_#resOutParam_1|) InVars {f_#res=|v_f_#resOutParam_1|} OutVars{g_#t~ret2=|v_g_#t~ret2_4|} AuxVars[] AssignedVars[g_#t~ret2] LVA: Formula: (= |v_f_#in~xInParam_1| (+ v_g_~x_6 (- 1))) InVars {g_~x=v_g_~x_6} OutVars{f_#in~x=|v_f_#in~xInParam_1|} AuxVars[] AssignedVars[f_#in~x] 289#L17-1 [50] L17-1-->fENTRY: Formula: (= |v_f_#in~xInParam_2| (+ v_g_~x_7 (- 2))) InVars {g_~x=v_g_~x_7} OutVars{f_#in~x=|v_f_#in~xInParam_2|} AuxVars[] AssignedVars[f_#in~x]< 298#fENTRY [47] fENTRY-->L10: Formula: (= v_f_~x_1 |v_f_#in~x_1|) InVars {f_#in~x=|v_f_#in~x_1|} OutVars{f_~x=v_f_~x_1, f_#in~x=|v_f_#in~x_1|} AuxVars[] AssignedVars[f_~x] 308#L10 [36] L10-->fFINAL: Formula: (and (<= v_f_~x_2 0) (= |v_f_#res_1| 0)) InVars {f_~x=v_f_~x_2} OutVars{f_#res=|v_f_#res_1|, f_~x=v_f_~x_2} AuxVars[] AssignedVars[f_#res] 307#fFINAL [41] fFINAL-->fEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 306#fEXIT >[58] fEXIT-->L17-2: AOR: Formula: (= |v_g_#t~ret3_4| |v_f_#resOutParam_2|) InVars {f_#res=|v_f_#resOutParam_2|} OutVars{g_#t~ret3=|v_g_#t~ret3_4|} AuxVars[] AssignedVars[g_#t~ret3] LVA: Formula: (= |v_f_#in~xInParam_2| (+ v_g_~x_7 (- 2))) InVars {g_~x=v_g_~x_7} OutVars{f_#in~x=|v_f_#in~xInParam_2|} AuxVars[] AssignedVars[f_#in~x] 299#L17-2 [52] L17-2-->gFINAL: Formula: (= |v_g_#res_1| (+ |v_g_#t~ret2_2| |v_g_#t~ret3_2|)) InVars {g_#t~ret2=|v_g_#t~ret2_2|, g_#t~ret3=|v_g_#t~ret3_2|} OutVars{g_#t~ret3=|v_g_#t~ret3_1|, g_#t~ret2=|v_g_#t~ret2_1|, g_#res=|v_g_#res_1|} AuxVars[] AssignedVars[g_#t~ret3, g_#t~ret2, g_#res] 281#gFINAL [39] gFINAL-->gEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 283#gEXIT >[56] gEXIT-->L11-1: AOR: Formula: (= |v_f_#t~ret0_4| |v_g_#resOutParam_1|) InVars {g_#res=|v_g_#resOutParam_1|} OutVars{f_#t~ret0=|v_f_#t~ret0_4|} AuxVars[] AssignedVars[f_#t~ret0] LVA: Formula: (= |v_g_#in~xInParam_1| v_f_~x_6) InVars {f_~x=v_f_~x_6} OutVars{g_#in~x=|v_g_#in~xInParam_1|} AuxVars[] AssignedVars[g_#in~x] 280#L11-1 15.87/7.40 [2019-03-28 12:06:04,749 INFO L796 eck$LassoCheckResult]: Loop: 280#L11-1 [38] L11-1-->gENTRY: Formula: (= |v_g_#in~xInParam_2| (+ v_f_~x_7 1)) InVars {f_~x=v_f_~x_7} OutVars{g_#in~x=|v_g_#in~xInParam_2|} AuxVars[] AssignedVars[g_#in~x]< 269#gENTRY [45] gENTRY-->L16: Formula: (= v_g_~x_1 |v_g_#in~x_1|) InVars {g_#in~x=|v_g_#in~x_1|} OutVars{g_#in~x=|v_g_#in~x_1|, g_~x=v_g_~x_1} AuxVars[] AssignedVars[g_~x] 305#L16 [59] L16-->L17: Formula: (> v_g_~x_3 0) InVars {g_~x=v_g_~x_3} OutVars{g_~x=v_g_~x_3} AuxVars[] AssignedVars[] 268#L17 [44] L17-->fENTRY: Formula: (= |v_f_#in~xInParam_1| (+ v_g_~x_6 (- 1))) InVars {g_~x=v_g_~x_6} OutVars{f_#in~x=|v_f_#in~xInParam_1|} AuxVars[] AssignedVars[f_#in~x]< 304#fENTRY [47] fENTRY-->L10: Formula: (= v_f_~x_1 |v_f_#in~x_1|) InVars {f_#in~x=|v_f_#in~x_1|} OutVars{f_~x=v_f_~x_1, f_#in~x=|v_f_#in~x_1|} AuxVars[] AssignedVars[f_~x] 300#L10 [60] L10-->L11: Formula: (> v_f_~x_3 0) InVars {f_~x=v_f_~x_3} OutVars{f_~x=v_f_~x_3} AuxVars[] AssignedVars[] 266#L11 [35] L11-->gENTRY: Formula: (= |v_g_#in~xInParam_1| v_f_~x_6) InVars {f_~x=v_f_~x_6} OutVars{g_#in~x=|v_g_#in~xInParam_1|} AuxVars[] AssignedVars[g_#in~x]< 269#gENTRY [45] gENTRY-->L16: Formula: (= v_g_~x_1 |v_g_#in~x_1|) InVars {g_#in~x=|v_g_#in~x_1|} OutVars{g_#in~x=|v_g_#in~x_1|, g_~x=v_g_~x_1} AuxVars[] AssignedVars[g_~x] 305#L16 [59] L16-->L17: Formula: (> v_g_~x_3 0) InVars {g_~x=v_g_~x_3} OutVars{g_~x=v_g_~x_3} AuxVars[] AssignedVars[] 268#L17 [44] L17-->fENTRY: Formula: (= |v_f_#in~xInParam_1| (+ v_g_~x_6 (- 1))) InVars {g_~x=v_g_~x_6} OutVars{f_#in~x=|v_f_#in~xInParam_1|} AuxVars[] AssignedVars[f_#in~x]< 304#fENTRY [47] fENTRY-->L10: Formula: (= v_f_~x_1 |v_f_#in~x_1|) InVars {f_#in~x=|v_f_#in~x_1|} OutVars{f_~x=v_f_~x_1, f_#in~x=|v_f_#in~x_1|} AuxVars[] AssignedVars[f_~x] 300#L10 [36] L10-->fFINAL: Formula: (and (<= v_f_~x_2 0) (= |v_f_#res_1| 0)) InVars {f_~x=v_f_~x_2} OutVars{f_#res=|v_f_#res_1|, f_~x=v_f_~x_2} AuxVars[] AssignedVars[f_#res] 301#fFINAL [41] fFINAL-->fEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 302#fEXIT >[54] fEXIT-->L17-1: AOR: Formula: (= |v_g_#t~ret2_4| |v_f_#resOutParam_1|) InVars {f_#res=|v_f_#resOutParam_1|} OutVars{g_#t~ret2=|v_g_#t~ret2_4|} AuxVars[] AssignedVars[g_#t~ret2] LVA: Formula: (= |v_f_#in~xInParam_1| (+ v_g_~x_6 (- 1))) InVars {g_~x=v_g_~x_6} OutVars{f_#in~x=|v_f_#in~xInParam_1|} AuxVars[] AssignedVars[f_#in~x] 267#L17-1 [50] L17-1-->fENTRY: Formula: (= |v_f_#in~xInParam_2| (+ v_g_~x_7 (- 2))) InVars {g_~x=v_g_~x_7} OutVars{f_#in~x=|v_f_#in~xInParam_2|} AuxVars[] AssignedVars[f_#in~x]< 304#fENTRY [47] fENTRY-->L10: Formula: (= v_f_~x_1 |v_f_#in~x_1|) InVars {f_#in~x=|v_f_#in~x_1|} OutVars{f_~x=v_f_~x_1, f_#in~x=|v_f_#in~x_1|} AuxVars[] AssignedVars[f_~x] 300#L10 [36] L10-->fFINAL: Formula: (and (<= v_f_~x_2 0) (= |v_f_#res_1| 0)) InVars {f_~x=v_f_~x_2} OutVars{f_#res=|v_f_#res_1|, f_~x=v_f_~x_2} AuxVars[] AssignedVars[f_#res] 301#fFINAL [41] fFINAL-->fEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 302#fEXIT >[58] fEXIT-->L17-2: AOR: Formula: (= |v_g_#t~ret3_4| |v_f_#resOutParam_2|) InVars {f_#res=|v_f_#resOutParam_2|} OutVars{g_#t~ret3=|v_g_#t~ret3_4|} AuxVars[] AssignedVars[g_#t~ret3] LVA: Formula: (= |v_f_#in~xInParam_2| (+ v_g_~x_7 (- 2))) InVars {g_~x=v_g_~x_7} OutVars{f_#in~x=|v_f_#in~xInParam_2|} AuxVars[] AssignedVars[f_#in~x] 299#L17-2 [52] L17-2-->gFINAL: Formula: (= |v_g_#res_1| (+ |v_g_#t~ret2_2| |v_g_#t~ret3_2|)) InVars {g_#t~ret2=|v_g_#t~ret2_2|, g_#t~ret3=|v_g_#t~ret3_2|} OutVars{g_#t~ret3=|v_g_#t~ret3_1|, g_#t~ret2=|v_g_#t~ret2_1|, g_#res=|v_g_#res_1|} AuxVars[] AssignedVars[g_#t~ret3, g_#t~ret2, g_#res] 281#gFINAL [39] gFINAL-->gEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 283#gEXIT >[56] gEXIT-->L11-1: AOR: Formula: (= |v_f_#t~ret0_4| |v_g_#resOutParam_1|) InVars {g_#res=|v_g_#resOutParam_1|} OutVars{f_#t~ret0=|v_f_#t~ret0_4|} AuxVars[] AssignedVars[f_#t~ret0] LVA: Formula: (= |v_g_#in~xInParam_1| v_f_~x_6) InVars {f_~x=v_f_~x_6} OutVars{g_#in~x=|v_g_#in~xInParam_1|} AuxVars[] AssignedVars[g_#in~x] 280#L11-1 15.87/7.40 [2019-03-28 12:06:04,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.87/7.40 [2019-03-28 12:06:04,750 INFO L82 PathProgramCache]: Analyzing trace with hash -550172724, now seen corresponding path program 1 times 15.87/7.40 [2019-03-28 12:06:04,750 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.87/7.40 [2019-03-28 12:06:04,750 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.87/7.40 [2019-03-28 12:06:04,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.87/7.40 [2019-03-28 12:06:04,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.87/7.40 [2019-03-28 12:06:04,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.87/7.40 [2019-03-28 12:06:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.87/7.40 [2019-03-28 12:06:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.87/7.40 [2019-03-28 12:06:04,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.87/7.40 [2019-03-28 12:06:04,773 INFO L82 PathProgramCache]: Analyzing trace with hash -498738640, now seen corresponding path program 1 times 15.87/7.40 [2019-03-28 12:06:04,773 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.87/7.40 [2019-03-28 12:06:04,773 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.87/7.40 [2019-03-28 12:06:04,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.87/7.40 [2019-03-28 12:06:04,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.87/7.40 [2019-03-28 12:06:04,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.87/7.40 [2019-03-28 12:06:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.87/7.40 [2019-03-28 12:06:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.87/7.40 [2019-03-28 12:06:04,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.87/7.40 [2019-03-28 12:06:04,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1816143803, now seen corresponding path program 1 times 15.87/7.40 [2019-03-28 12:06:04,794 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.87/7.40 [2019-03-28 12:06:04,795 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.87/7.40 [2019-03-28 12:06:04,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.87/7.40 [2019-03-28 12:06:04,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.87/7.40 [2019-03-28 12:06:04,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.87/7.40 [2019-03-28 12:06:04,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.87/7.40 [2019-03-28 12:06:04,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.87/7.40 [2019-03-28 12:06:05,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:06:05 BasicIcfg 15.87/7.40 [2019-03-28 12:06:05,378 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.87/7.40 [2019-03-28 12:06:05,378 INFO L168 Benchmark]: Toolchain (without parser) took 2905.58 ms. Allocated memory was 649.6 MB in the beginning and 738.2 MB in the end (delta: 88.6 MB). Free memory was 565.0 MB in the beginning and 660.0 MB in the end (delta: -95.0 MB). Peak memory consumption was 225.2 MB. Max. memory is 50.3 GB. 15.87/7.40 [2019-03-28 12:06:05,381 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.87/7.40 [2019-03-28 12:06:05,381 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.96 ms. Allocated memory was 649.6 MB in the beginning and 652.7 MB in the end (delta: 3.1 MB). Free memory was 565.0 MB in the beginning and 619.1 MB in the end (delta: -54.2 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. 15.87/7.40 [2019-03-28 12:06:05,382 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.97 ms. Allocated memory is still 652.7 MB. Free memory was 619.1 MB in the beginning and 616.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 15.87/7.40 [2019-03-28 12:06:05,382 INFO L168 Benchmark]: Boogie Preprocessor took 17.10 ms. Allocated memory is still 652.7 MB. Free memory was 616.0 MB in the beginning and 614.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 15.87/7.40 [2019-03-28 12:06:05,383 INFO L168 Benchmark]: RCFGBuilder took 199.60 ms. Allocated memory is still 652.7 MB. Free memory was 614.7 MB in the beginning and 600.4 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 50.3 GB. 15.87/7.40 [2019-03-28 12:06:05,383 INFO L168 Benchmark]: BlockEncodingV2 took 71.38 ms. Allocated memory is still 652.7 MB. Free memory was 600.4 MB in the beginning and 596.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 50.3 GB. 15.87/7.40 [2019-03-28 12:06:05,384 INFO L168 Benchmark]: TraceAbstraction took 177.04 ms. Allocated memory is still 652.7 MB. Free memory was 595.0 MB in the beginning and 584.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 50.3 GB. 15.87/7.40 [2019-03-28 12:06:05,385 INFO L168 Benchmark]: BuchiAutomizer took 2129.81 ms. Allocated memory was 652.7 MB in the beginning and 738.2 MB in the end (delta: 85.5 MB). Free memory was 584.1 MB in the beginning and 660.0 MB in the end (delta: -75.9 MB). Peak memory consumption was 241.2 MB. Max. memory is 50.3 GB. 15.87/7.40 [2019-03-28 12:06:05,389 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.87/7.40 --- Results --- 15.87/7.40 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.87/7.40 - StatisticsResult: Initial Icfg 15.87/7.40 20 locations, 24 edges 15.87/7.40 - StatisticsResult: Encoded RCFG 15.87/7.40 16 locations, 20 edges 15.87/7.40 * Results from de.uni_freiburg.informatik.ultimate.core: 15.87/7.40 - StatisticsResult: Toolchain Benchmarks 15.87/7.40 Benchmark results are: 15.87/7.40 * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.87/7.40 * CACSL2BoogieTranslator took 270.96 ms. Allocated memory was 649.6 MB in the beginning and 652.7 MB in the end (delta: 3.1 MB). Free memory was 565.0 MB in the beginning and 619.1 MB in the end (delta: -54.2 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. 15.87/7.40 * Boogie Procedure Inliner took 33.97 ms. Allocated memory is still 652.7 MB. Free memory was 619.1 MB in the beginning and 616.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 15.87/7.40 * Boogie Preprocessor took 17.10 ms. Allocated memory is still 652.7 MB. Free memory was 616.0 MB in the beginning and 614.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 15.87/7.40 * RCFGBuilder took 199.60 ms. Allocated memory is still 652.7 MB. Free memory was 614.7 MB in the beginning and 600.4 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 50.3 GB. 15.87/7.40 * BlockEncodingV2 took 71.38 ms. Allocated memory is still 652.7 MB. Free memory was 600.4 MB in the beginning and 596.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 50.3 GB. 15.87/7.40 * TraceAbstraction took 177.04 ms. Allocated memory is still 652.7 MB. Free memory was 595.0 MB in the beginning and 584.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 50.3 GB. 15.87/7.40 * BuchiAutomizer took 2129.81 ms. Allocated memory was 652.7 MB in the beginning and 738.2 MB in the end (delta: 85.5 MB). Free memory was 584.1 MB in the beginning and 660.0 MB in the end (delta: -75.9 MB). Peak memory consumption was 241.2 MB. Max. memory is 50.3 GB. 15.87/7.40 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.87/7.40 - AllSpecificationsHoldResult: All specifications hold 15.87/7.40 We were not able to verify any specifiation because the program does not contain any specification. 15.87/7.40 - StatisticsResult: Ultimate Automizer benchmark data 15.87/7.40 CFG has 3 procedures, 16 locations, 0 error locations. SAFE Result, 0.1s 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=16occurred 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, 7 LocationsWithAnnotation, 16 PreInvPairs, 16 NumberOfFragments, 7 HoareAnnotationTreeSize, 16 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 15.87/7.40 - StatisticsResult: Constructed decomposition of program 15.87/7.40 Your program was decomposed into 2 terminating modules (1 trivial, 0 deterministic, 1 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function \old(x) and consists of 8 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 44 locations. 15.87/7.40 - StatisticsResult: Timing statistics 15.87/7.40 BüchiAutomizer plugin needed 2.0s and 3 iterations. TraceHistogramMax:3. Analysis of lassos took 1.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 44 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 42 SDtfs, 41 SDslu, 50 SDs, 0 SdLazy, 87 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s 15.87/7.40 - TerminationAnalysisResult: Nontermination possible 15.87/7.40 Buchi Automizer proved that your program is nonterminating for some inputs 15.87/7.40 - FixpointNonTerminationResult [Line: 11]: Nontermination argument in form of an infinite program execution. 15.87/7.40 Nontermination argument in form of an infinite execution 15.87/7.40 State at position 0 is 15.87/7.40 {} 15.87/7.40 State at position 1 is 15.87/7.40 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5151158a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@485c0ab6=0, \result=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3324df18=0, x=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3fbcce03=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c8f11d3=0, \old(x)=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@cea15b0=0, NULL=0, x=1, \result=0, \old(x)=0, x=0} 15.87/7.40 - StatisticsResult: NonterminationArgumentStatistics 15.87/7.40 Fixpoint 15.87/7.40 - NonterminatingLassoResult [Line: 11]: Nonterminating execution 15.87/7.40 Found a nonterminating execution for the following lasso shaped sequence of statements. 15.87/7.40 Stem: 15.87/7.40 [L22] int x = __VERIFIER_nondet_int(); 15.87/7.40 [L23] CALL g(x) 15.87/7.40 [L16] COND FALSE !(x <= 0) 15.87/7.40 [L17] CALL, EXPR f(x - 1) 15.87/7.40 [L10] COND FALSE !(x <= 0) 15.87/7.40 [L11] CALL g(x) 15.87/7.40 [L16] COND FALSE !(x <= 0) 15.87/7.40 [L17] CALL, EXPR f(x - 1) 15.87/7.40 [L10] COND TRUE x <= 0 15.87/7.40 [L10] return 0; 15.87/7.40 [L17] RET, EXPR f(x - 1) 15.87/7.40 [L17] CALL, EXPR f(x - 2) 15.87/7.40 [L10] COND TRUE x <= 0 15.87/7.40 [L10] return 0; 15.87/7.40 [L17] RET, EXPR f(x - 2) 15.87/7.40 [L17] return f(x - 1) + f(x - 2); 15.87/7.40 [L11] RET g(x) 15.87/7.40 Loop: 15.87/7.40 [L11] CALL g(x + 1) 15.87/7.40 [L16] COND FALSE !(x <= 0) 15.87/7.40 [L17] CALL, EXPR f(x - 1) 15.87/7.40 [L10] COND FALSE !(x <= 0) 15.87/7.40 [L11] CALL g(x) 15.87/7.40 [L16] COND FALSE !(x <= 0) 15.87/7.40 [L17] CALL, EXPR f(x - 1) 15.87/7.40 [L10] COND TRUE x <= 0 15.87/7.40 [L10] return 0; 15.87/7.40 [L17] RET, EXPR f(x - 1) 15.87/7.40 [L17] CALL, EXPR f(x - 2) 15.87/7.40 [L10] COND TRUE x <= 0 15.87/7.40 [L10] return 0; 15.87/7.40 [L17] RET, EXPR f(x - 2) 15.87/7.40 [L17] return f(x - 1) + f(x - 2); 15.87/7.40 [L11] RET g(x) 15.87/7.40 End of lasso representation. 15.87/7.40 RESULT: Ultimate proved your program to be incorrect! 15.87/7.40 !SESSION 2019-03-28 12:05:59.153 ----------------------------------------------- 15.87/7.40 eclipse.buildId=unknown 15.87/7.40 java.version=1.8.0_181 15.87/7.40 java.vendor=Oracle Corporation 15.87/7.40 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.87/7.40 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 15.87/7.40 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 15.87/7.40 15.87/7.40 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:06:05.628 15.87/7.40 !MESSAGE The workspace will exit with unsaved changes in this session. 15.87/7.40 Received shutdown request... 15.87/7.40 Ultimate: 15.87/7.40 GTK+ Version Check 15.87/7.40 EOF