17.00/8.97 YES 17.00/8.97 17.00/8.97 Ultimate: Cannot open display: 17.00/8.97 This is Ultimate 0.1.24-8dc7c08-m 17.00/8.97 [2019-03-28 12:31:00,915 INFO L170 SettingsManager]: Resetting all preferences to default values... 17.00/8.97 [2019-03-28 12:31:00,918 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 17.00/8.97 [2019-03-28 12:31:00,929 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 17.00/8.97 [2019-03-28 12:31:00,929 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 17.00/8.97 [2019-03-28 12:31:00,930 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 17.00/8.97 [2019-03-28 12:31:00,931 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 17.00/8.97 [2019-03-28 12:31:00,933 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 17.00/8.97 [2019-03-28 12:31:00,934 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 17.00/8.97 [2019-03-28 12:31:00,935 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 17.00/8.97 [2019-03-28 12:31:00,936 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 17.00/8.97 [2019-03-28 12:31:00,936 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 17.00/8.97 [2019-03-28 12:31:00,937 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 17.00/8.97 [2019-03-28 12:31:00,938 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 17.00/8.97 [2019-03-28 12:31:00,939 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 17.00/8.97 [2019-03-28 12:31:00,940 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 17.00/8.97 [2019-03-28 12:31:00,941 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 17.00/8.97 [2019-03-28 12:31:00,942 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 17.00/8.97 [2019-03-28 12:31:00,944 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 17.00/8.97 [2019-03-28 12:31:00,946 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 17.00/8.97 [2019-03-28 12:31:00,947 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 17.00/8.97 [2019-03-28 12:31:00,948 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 17.00/8.97 [2019-03-28 12:31:00,950 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 17.00/8.97 [2019-03-28 12:31:00,950 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 17.00/8.97 [2019-03-28 12:31:00,950 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 17.00/8.97 [2019-03-28 12:31:00,951 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 17.00/8.97 [2019-03-28 12:31:00,952 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 17.00/8.97 [2019-03-28 12:31:00,952 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 17.00/8.97 [2019-03-28 12:31:00,953 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 17.00/8.97 [2019-03-28 12:31:00,953 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 17.00/8.97 [2019-03-28 12:31:00,954 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 17.00/8.97 [2019-03-28 12:31:00,955 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 17.00/8.97 [2019-03-28 12:31:00,956 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 17.00/8.97 [2019-03-28 12:31:00,956 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 17.00/8.97 [2019-03-28 12:31:00,957 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 17.00/8.97 [2019-03-28 12:31:00,957 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 17.00/8.97 [2019-03-28 12:31:00,957 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 17.00/8.97 [2019-03-28 12:31:00,958 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 17.00/8.97 [2019-03-28 12:31:00,959 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 17.00/8.97 [2019-03-28 12:31:00,959 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 17.00/8.97 [2019-03-28 12:31:00,973 INFO L110 SettingsManager]: Loading preferences was successful 17.00/8.97 [2019-03-28 12:31:00,974 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 17.00/8.97 [2019-03-28 12:31:00,975 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 17.00/8.97 [2019-03-28 12:31:00,975 INFO L133 SettingsManager]: * Rewrite not-equals=true 17.00/8.97 [2019-03-28 12:31:00,975 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 17.00/8.97 [2019-03-28 12:31:00,975 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 17.00/8.97 [2019-03-28 12:31:00,975 INFO L133 SettingsManager]: * Use SBE=true 17.00/8.97 [2019-03-28 12:31:00,976 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 17.00/8.97 [2019-03-28 12:31:00,976 INFO L133 SettingsManager]: * Use old map elimination=false 17.00/8.97 [2019-03-28 12:31:00,976 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 17.00/8.97 [2019-03-28 12:31:00,976 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 17.00/8.97 [2019-03-28 12:31:00,976 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 17.00/8.97 [2019-03-28 12:31:00,976 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 17.00/8.97 [2019-03-28 12:31:00,977 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 17.00/8.97 [2019-03-28 12:31:00,977 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.00/8.97 [2019-03-28 12:31:00,977 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 17.00/8.97 [2019-03-28 12:31:00,977 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 17.00/8.97 [2019-03-28 12:31:00,977 INFO L133 SettingsManager]: * Check division by zero=IGNORE 17.00/8.97 [2019-03-28 12:31:00,977 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 17.00/8.97 [2019-03-28 12:31:00,978 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 17.00/8.97 [2019-03-28 12:31:00,978 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 17.00/8.97 [2019-03-28 12:31:00,978 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 17.00/8.97 [2019-03-28 12:31:00,978 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 17.00/8.97 [2019-03-28 12:31:00,978 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 17.00/8.97 [2019-03-28 12:31:00,978 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 17.00/8.97 [2019-03-28 12:31:00,979 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 17.00/8.97 [2019-03-28 12:31:00,979 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 17.00/8.97 [2019-03-28 12:31:00,979 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 17.00/8.97 [2019-03-28 12:31:00,979 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 17.00/8.97 [2019-03-28 12:31:01,004 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 17.00/8.97 [2019-03-28 12:31:01,017 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 17.00/8.97 [2019-03-28 12:31:01,021 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 17.00/8.97 [2019-03-28 12:31:01,022 INFO L271 PluginConnector]: Initializing CDTParser... 17.00/8.97 [2019-03-28 12:31:01,023 INFO L276 PluginConnector]: CDTParser initialized 17.00/8.97 [2019-03-28 12:31:01,023 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 17.00/8.97 [2019-03-28 12:31:01,087 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/4993e62c729549e1b2565ead00c0d3b0/FLAGa7d12d01e 17.00/8.97 [2019-03-28 12:31:01,446 INFO L307 CDTParser]: Found 1 translation units. 17.00/8.97 [2019-03-28 12:31:01,447 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 17.00/8.97 [2019-03-28 12:31:01,454 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/4993e62c729549e1b2565ead00c0d3b0/FLAGa7d12d01e 17.00/8.97 [2019-03-28 12:31:01,872 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/4993e62c729549e1b2565ead00c0d3b0 17.00/8.97 [2019-03-28 12:31:01,884 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 17.00/8.97 [2019-03-28 12:31:01,885 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 17.00/8.97 [2019-03-28 12:31:01,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 17.00/8.97 [2019-03-28 12:31:01,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 17.00/8.97 [2019-03-28 12:31:01,890 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 17.00/8.97 [2019-03-28 12:31:01,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:31:01" (1/1) ... 17.00/8.97 [2019-03-28 12:31:01,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fa11637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:31:01, skipping insertion in model container 17.00/8.97 [2019-03-28 12:31:01,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:31:01" (1/1) ... 17.00/8.97 [2019-03-28 12:31:01,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 17.00/8.97 [2019-03-28 12:31:01,919 INFO L176 MainTranslator]: Built tables and reachable declarations 17.00/8.97 [2019-03-28 12:31:02,076 INFO L206 PostProcessor]: Analyzing one entry point: main 17.00/8.97 [2019-03-28 12:31:02,081 INFO L191 MainTranslator]: Completed pre-run 17.00/8.97 [2019-03-28 12:31:02,098 INFO L206 PostProcessor]: Analyzing one entry point: main 17.00/8.97 [2019-03-28 12:31:02,112 INFO L195 MainTranslator]: Completed translation 17.00/8.97 [2019-03-28 12:31:02,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:31:02 WrapperNode 17.00/8.97 [2019-03-28 12:31:02,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 17.00/8.97 [2019-03-28 12:31:02,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 17.00/8.97 [2019-03-28 12:31:02,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 17.00/8.97 [2019-03-28 12:31:02,114 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 17.00/8.97 [2019-03-28 12:31:02,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:31:02" (1/1) ... 17.00/8.97 [2019-03-28 12:31:02,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:31:02" (1/1) ... 17.00/8.97 [2019-03-28 12:31:02,205 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 17.00/8.97 [2019-03-28 12:31:02,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 17.00/8.97 [2019-03-28 12:31:02,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 17.00/8.97 [2019-03-28 12:31:02,205 INFO L276 PluginConnector]: Boogie Preprocessor initialized 17.00/8.97 [2019-03-28 12:31:02,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:31:02" (1/1) ... 17.00/8.97 [2019-03-28 12:31:02,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:31:02" (1/1) ... 17.00/8.97 [2019-03-28 12:31:02,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:31:02" (1/1) ... 17.00/8.97 [2019-03-28 12:31:02,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:31:02" (1/1) ... 17.00/8.97 [2019-03-28 12:31:02,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:31:02" (1/1) ... 17.00/8.97 [2019-03-28 12:31:02,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:31:02" (1/1) ... 17.00/8.97 [2019-03-28 12:31:02,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:31:02" (1/1) ... 17.00/8.97 [2019-03-28 12:31:02,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 17.00/8.97 [2019-03-28 12:31:02,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 17.00/8.97 [2019-03-28 12:31:02,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... 17.00/8.97 [2019-03-28 12:31:02,223 INFO L276 PluginConnector]: RCFGBuilder initialized 17.00/8.97 [2019-03-28 12:31:02,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:31:02" (1/1) ... 17.00/8.97 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.00/8.97 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 17.00/8.97 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 17.00/8.97 [2019-03-28 12:31:02,288 INFO L130 BoogieDeclarations]: Found specification of procedure mult 17.00/8.97 [2019-03-28 12:31:02,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mult 17.00/8.97 [2019-03-28 12:31:02,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 17.00/8.97 [2019-03-28 12:31:02,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 17.00/8.97 [2019-03-28 12:31:02,424 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 17.00/8.97 [2019-03-28 12:31:02,424 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. 17.00/8.97 [2019-03-28 12:31:02,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:31:02 BoogieIcfgContainer 17.00/8.97 [2019-03-28 12:31:02,426 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 17.00/8.97 [2019-03-28 12:31:02,426 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 17.00/8.97 [2019-03-28 12:31:02,426 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 17.00/8.97 [2019-03-28 12:31:02,428 INFO L276 PluginConnector]: BlockEncodingV2 initialized 17.00/8.97 [2019-03-28 12:31:02,429 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:31:02" (1/1) ... 17.00/8.97 [2019-03-28 12:31:02,445 INFO L313 BlockEncoder]: Initial Icfg 15 locations, 18 edges 17.00/8.97 [2019-03-28 12:31:02,447 INFO L258 BlockEncoder]: Using Remove infeasible edges 17.00/8.97 [2019-03-28 12:31:02,447 INFO L263 BlockEncoder]: Using Maximize final states 17.00/8.97 [2019-03-28 12:31:02,448 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 17.00/8.97 [2019-03-28 12:31:02,448 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 17.00/8.97 [2019-03-28 12:31:02,450 INFO L296 BlockEncoder]: Using Remove sink states 17.00/8.97 [2019-03-28 12:31:02,451 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 17.00/8.97 [2019-03-28 12:31:02,451 INFO L179 BlockEncoder]: Using Rewrite not-equals 17.00/8.97 [2019-03-28 12:31:02,466 INFO L185 BlockEncoder]: Using Use SBE 17.00/8.97 [2019-03-28 12:31:02,480 INFO L200 BlockEncoder]: SBE split 1 edges 17.00/8.97 [2019-03-28 12:31:02,485 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 17.00/8.97 [2019-03-28 12:31:02,487 INFO L71 MaximizeFinalStates]: 0 new accepting states 17.00/8.97 [2019-03-28 12:31:02,498 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 17.00/8.97 [2019-03-28 12:31:02,500 INFO L70 RemoveSinkStates]: Removed 2 edges and 2 locations by removing sink states 17.00/8.97 [2019-03-28 12:31:02,502 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 17.00/8.97 [2019-03-28 12:31:02,502 INFO L71 MaximizeFinalStates]: 0 new accepting states 17.00/8.97 [2019-03-28 12:31:02,502 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 17.00/8.97 [2019-03-28 12:31:02,503 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 17.00/8.97 [2019-03-28 12:31:02,503 INFO L313 BlockEncoder]: Encoded RCFG 11 locations, 15 edges 17.00/8.97 [2019-03-28 12:31:02,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:31:02 BasicIcfg 17.00/8.97 [2019-03-28 12:31:02,504 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 17.00/8.97 [2019-03-28 12:31:02,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 17.00/8.97 [2019-03-28 12:31:02,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... 17.00/8.97 [2019-03-28 12:31:02,508 INFO L276 PluginConnector]: TraceAbstraction initialized 17.00/8.97 [2019-03-28 12:31:02,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:31:01" (1/4) ... 17.00/8.97 [2019-03-28 12:31:02,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c2e9892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:31:02, skipping insertion in model container 17.00/8.97 [2019-03-28 12:31:02,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:31:02" (2/4) ... 17.00/8.97 [2019-03-28 12:31:02,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c2e9892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:31:02, skipping insertion in model container 17.00/8.97 [2019-03-28 12:31:02,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:31:02" (3/4) ... 17.00/8.97 [2019-03-28 12:31:02,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c2e9892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:31:02, skipping insertion in model container 17.00/8.97 [2019-03-28 12:31:02,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:31:02" (4/4) ... 17.00/8.97 [2019-03-28 12:31:02,513 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 17.00/8.97 [2019-03-28 12:31:02,525 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 17.00/8.97 [2019-03-28 12:31:02,533 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 17.00/8.97 [2019-03-28 12:31:02,550 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 17.00/8.97 [2019-03-28 12:31:02,579 INFO L133 ementStrategyFactory]: Using default assertion order modulation 17.00/8.97 [2019-03-28 12:31:02,580 INFO L382 AbstractCegarLoop]: Interprodecural is true 17.00/8.97 [2019-03-28 12:31:02,580 INFO L383 AbstractCegarLoop]: Hoare is true 17.00/8.97 [2019-03-28 12:31:02,580 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 17.00/8.97 [2019-03-28 12:31:02,580 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 17.00/8.97 [2019-03-28 12:31:02,580 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 17.00/8.97 [2019-03-28 12:31:02,581 INFO L387 AbstractCegarLoop]: Difference is false 17.00/8.97 [2019-03-28 12:31:02,581 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 17.00/8.97 [2019-03-28 12:31:02,581 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 17.00/8.97 [2019-03-28 12:31:02,598 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. 17.00/8.97 [2019-03-28 12:31:02,604 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 17.00/8.97 [2019-03-28 12:31:02,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. 17.00/8.97 [2019-03-28 12:31:02,668 INFO L448 ceAbstractionStarter]: For program point L16(lines 16 18) no Hoare annotation was computed. 17.00/8.97 [2019-03-28 12:31:02,668 INFO L451 ceAbstractionStarter]: At program point L14(line 14) the Hoare annotation is: true 17.00/8.97 [2019-03-28 12:31:02,668 INFO L451 ceAbstractionStarter]: At program point multENTRY(lines 12 20) the Hoare annotation is: true 17.00/8.97 [2019-03-28 12:31:02,669 INFO L448 ceAbstractionStarter]: For program point L13(lines 13 15) no Hoare annotation was computed. 17.00/8.97 [2019-03-28 12:31:02,669 INFO L448 ceAbstractionStarter]: For program point L14-1(line 14) no Hoare annotation was computed. 17.00/8.97 [2019-03-28 12:31:02,669 INFO L448 ceAbstractionStarter]: For program point multFINAL(lines 12 20) no Hoare annotation was computed. 17.00/8.97 [2019-03-28 12:31:02,669 INFO L448 ceAbstractionStarter]: For program point multEXIT(lines 12 20) no Hoare annotation was computed. 17.00/8.97 [2019-03-28 12:31:02,670 INFO L451 ceAbstractionStarter]: At program point L19(line 19) the Hoare annotation is: true 17.00/8.97 [2019-03-28 12:31:02,670 INFO L448 ceAbstractionStarter]: For program point L19-1(line 19) no Hoare annotation was computed. 17.00/8.97 [2019-03-28 12:31:02,670 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 17.00/8.97 [2019-03-28 12:31:02,670 INFO L451 ceAbstractionStarter]: At program point L25(line 25) the Hoare annotation is: true 17.00/8.97 [2019-03-28 12:31:02,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:31:02 BasicIcfg 17.00/8.97 [2019-03-28 12:31:02,674 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 17.00/8.97 [2019-03-28 12:31:02,674 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 17.00/8.97 [2019-03-28 12:31:02,674 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 17.00/8.97 [2019-03-28 12:31:02,678 INFO L276 PluginConnector]: BuchiAutomizer initialized 17.00/8.97 [2019-03-28 12:31:02,679 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.00/8.97 [2019-03-28 12:31:02,679 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:31:01" (1/5) ... 17.00/8.97 [2019-03-28 12:31:02,680 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@792c58ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:31:02, skipping insertion in model container 17.00/8.97 [2019-03-28 12:31:02,680 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.00/8.97 [2019-03-28 12:31:02,680 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:31:02" (2/5) ... 17.00/8.97 [2019-03-28 12:31:02,680 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@792c58ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:31:02, skipping insertion in model container 17.00/8.97 [2019-03-28 12:31:02,681 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.00/8.97 [2019-03-28 12:31:02,681 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:31:02" (3/5) ... 17.00/8.97 [2019-03-28 12:31:02,681 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@792c58ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:31:02, skipping insertion in model container 17.00/8.97 [2019-03-28 12:31:02,682 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.00/8.97 [2019-03-28 12:31:02,682 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:31:02" (4/5) ... 17.00/8.97 [2019-03-28 12:31:02,682 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@792c58ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:31:02, skipping insertion in model container 17.00/8.97 [2019-03-28 12:31:02,682 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.00/8.97 [2019-03-28 12:31:02,682 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:31:02" (5/5) ... 17.00/8.97 [2019-03-28 12:31:02,684 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 17.00/8.97 [2019-03-28 12:31:02,712 INFO L133 ementStrategyFactory]: Using default assertion order modulation 17.00/8.97 [2019-03-28 12:31:02,712 INFO L374 BuchiCegarLoop]: Interprodecural is true 17.00/8.97 [2019-03-28 12:31:02,712 INFO L375 BuchiCegarLoop]: Hoare is true 17.00/8.97 [2019-03-28 12:31:02,713 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 17.00/8.97 [2019-03-28 12:31:02,713 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 17.00/8.97 [2019-03-28 12:31:02,713 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 17.00/8.97 [2019-03-28 12:31:02,713 INFO L379 BuchiCegarLoop]: Difference is false 17.00/8.97 [2019-03-28 12:31:02,713 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 17.00/8.97 [2019-03-28 12:31:02,713 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 17.00/8.97 [2019-03-28 12:31:02,717 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. 17.00/8.97 [2019-03-28 12:31:02,740 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 17.00/8.97 [2019-03-28 12:31:02,741 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.00/8.97 [2019-03-28 12:31:02,741 INFO L119 BuchiIsEmpty]: Starting construction of run 17.00/8.97 [2019-03-28 12:31:02,748 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 17.00/8.97 [2019-03-28 12:31:02,748 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 17.00/8.97 [2019-03-28 12:31:02,748 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 17.00/8.97 [2019-03-28 12:31:02,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. 17.00/8.97 [2019-03-28 12:31:02,750 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 17.00/8.97 [2019-03-28 12:31:02,750 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.00/8.97 [2019-03-28 12:31:02,750 INFO L119 BuchiIsEmpty]: Starting construction of run 17.00/8.97 [2019-03-28 12:31:02,751 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 17.00/8.97 [2019-03-28 12:31:02,751 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 17.00/8.97 [2019-03-28 12:31:02,756 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [35] ULTIMATE.startENTRY-->L25: Formula: (and (= v_ULTIMATE.start_main_~m~0_2 |v_ULTIMATE.start_main_#t~nondet2_4|) (= v_ULTIMATE.start_main_~n~0_2 |v_ULTIMATE.start_main_#t~nondet3_4|)) InVars {} OutVars{ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_2, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_3|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_2, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_2, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_4|} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet3_4|] AssignedVars[ULTIMATE.start_main_~res~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~m~0, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_#t~ret4] 12#L25true [40] L25-->multENTRY: Formula: (and (= |v_mult_#in~nInParam_3| v_ULTIMATE.start_main_~m~0_5) (= |v_mult_#in~mInParam_3| v_ULTIMATE.start_main_~n~0_5)) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_5, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_5} OutVars{mult_#in~m=|v_mult_#in~mInParam_3|, mult_#in~n=|v_mult_#in~nInParam_3|} AuxVars[] AssignedVars[mult_#in~m, mult_#in~n]< 3#multENTRYtrue 17.00/8.97 [2019-03-28 12:31:02,757 INFO L796 eck$LassoCheckResult]: Loop: 3#multENTRYtrue [27] multENTRY-->L13: Formula: (and (= v_mult_~n_1 |v_mult_#in~n_1|) (= v_mult_~m_1 |v_mult_#in~m_1|)) InVars {mult_#in~m=|v_mult_#in~m_1|, mult_#in~n=|v_mult_#in~n_1|} OutVars{mult_#in~m=|v_mult_#in~m_1|, mult_~n=v_mult_~n_1, mult_~m=v_mult_~m_1, mult_#in~n=|v_mult_#in~n_1|} AuxVars[] AssignedVars[mult_~n, mult_~m] 9#L13true [32] L13-->L14: Formula: (< v_mult_~m_2 0) InVars {mult_~m=v_mult_~m_2} OutVars{mult_~m=v_mult_~m_2} AuxVars[] AssignedVars[] 6#L14true [31] L14-->multENTRY: Formula: (and (= |v_mult_#in~nInParam_1| v_mult_~n_5) (= |v_mult_#in~mInParam_1| (- v_mult_~m_8))) InVars {mult_~n=v_mult_~n_5, mult_~m=v_mult_~m_8} OutVars{mult_#in~m=|v_mult_#in~mInParam_1|, mult_#in~n=|v_mult_#in~nInParam_1|} AuxVars[] AssignedVars[mult_#in~m, mult_#in~n]< 3#multENTRYtrue 17.00/8.97 [2019-03-28 12:31:02,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.00/8.97 [2019-03-28 12:31:02,763 INFO L82 PathProgramCache]: Analyzing trace with hash 2086, now seen corresponding path program 1 times 17.00/8.97 [2019-03-28 12:31:02,765 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.00/8.97 [2019-03-28 12:31:02,765 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.00/8.97 [2019-03-28 12:31:02,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.00/8.97 [2019-03-28 12:31:02,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.00/8.97 [2019-03-28 12:31:02,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.00/8.97 [2019-03-28 12:31:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.00/8.97 [2019-03-28 12:31:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.00/8.97 [2019-03-28 12:31:02,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.00/8.97 [2019-03-28 12:31:02,835 INFO L82 PathProgramCache]: Analyzing trace with hash 56761, now seen corresponding path program 1 times 17.00/8.97 [2019-03-28 12:31:02,835 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.00/8.97 [2019-03-28 12:31:02,835 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.00/8.97 [2019-03-28 12:31:02,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.00/8.97 [2019-03-28 12:31:02,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.00/8.97 [2019-03-28 12:31:02,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.00/8.97 [2019-03-28 12:31:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.00/8.97 [2019-03-28 12:31:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.00/8.97 [2019-03-28 12:31:02,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.00/8.97 [2019-03-28 12:31:02,856 INFO L82 PathProgramCache]: Analyzing trace with hash 62170996, now seen corresponding path program 1 times 17.00/8.97 [2019-03-28 12:31:02,857 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.00/8.97 [2019-03-28 12:31:02,857 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.00/8.97 [2019-03-28 12:31:02,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.00/8.97 [2019-03-28 12:31:02,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.00/8.97 [2019-03-28 12:31:02,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.00/8.97 [2019-03-28 12:31:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.00/8.97 [2019-03-28 12:31:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.00/8.97 [2019-03-28 12:31:02,949 INFO L216 LassoAnalysis]: Preferences: 17.00/8.97 [2019-03-28 12:31:02,950 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.00/8.97 [2019-03-28 12:31:02,950 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.00/8.97 [2019-03-28 12:31:02,950 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.00/8.97 [2019-03-28 12:31:02,950 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.00/8.97 [2019-03-28 12:31:02,951 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.00/8.97 [2019-03-28 12:31:02,951 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.00/8.97 [2019-03-28 12:31:02,951 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.00/8.97 [2019-03-28 12:31:02,951 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 17.00/8.97 [2019-03-28 12:31:02,951 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.00/8.97 [2019-03-28 12:31:02,952 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.00/8.97 [2019-03-28 12:31:02,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.00/8.97 [2019-03-28 12:31:02,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.00/8.97 [2019-03-28 12:31:02,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.00/8.97 [2019-03-28 12:31:02,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.00/8.97 [2019-03-28 12:31:02,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.00/8.97 [2019-03-28 12:31:02,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.00/8.97 [2019-03-28 12:31:02,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.00/8.97 [2019-03-28 12:31:03,080 INFO L300 LassoAnalysis]: Preprocessing complete. 17.00/8.97 [2019-03-28 12:31:03,081 INFO L412 LassoAnalysis]: Checking for nontermination... 17.00/8.97 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.00/8.97 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.00/8.97 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.00/8.97 [2019-03-28 12:31:03,087 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.00/8.97 [2019-03-28 12:31:03,088 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.00/8.97 [2019-03-28 12:31:03,097 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.00/8.97 [2019-03-28 12:31:03,097 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret1=0} Honda state: {mult_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.00/8.97 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.00/8.97 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.00/8.97 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.00/8.97 [2019-03-28 12:31:03,125 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.00/8.97 [2019-03-28 12:31:03,126 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.00/8.97 [2019-03-28 12:31:03,130 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.00/8.97 [2019-03-28 12:31:03,130 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~n=0} Honda state: {mult_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.00/8.97 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.00/8.97 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.00/8.97 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.00/8.97 [2019-03-28 12:31:03,158 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.00/8.97 [2019-03-28 12:31:03,158 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.00/8.97 [2019-03-28 12:31:03,162 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.00/8.97 [2019-03-28 12:31:03,162 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#res=0} Honda state: {mult_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.00/8.97 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.00/8.97 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.00/8.97 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.00/8.97 [2019-03-28 12:31:03,190 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.00/8.97 [2019-03-28 12:31:03,191 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.00/8.97 [2019-03-28 12:31:03,195 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.00/8.97 [2019-03-28 12:31:03,195 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~m=0} Honda state: {mult_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.00/8.97 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.00/8.97 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.00/8.97 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.00/8.97 [2019-03-28 12:31:03,222 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.00/8.97 [2019-03-28 12:31:03,223 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.00/8.97 [2019-03-28 12:31:03,227 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.00/8.97 [2019-03-28 12:31:03,227 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret0=0} Honda state: {mult_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.00/8.97 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.00/8.97 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.00/8.97 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.00/8.97 [2019-03-28 12:31:03,255 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.00/8.97 [2019-03-28 12:31:03,255 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.00/8.97 [2019-03-28 12:31:03,259 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.00/8.97 [2019-03-28 12:31:03,259 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#in~n=0} Honda state: {mult_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.00/8.97 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.00/8.97 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.00/8.97 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.00/8.97 [2019-03-28 12:31:03,288 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.00/8.97 [2019-03-28 12:31:03,288 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.00/8.97 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.00/8.97 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.00/8.97 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.00/8.97 [2019-03-28 12:31:03,321 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.00/8.97 [2019-03-28 12:31:03,321 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.00/8.97 [2019-03-28 12:31:03,361 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.00/8.97 [2019-03-28 12:31:03,363 INFO L216 LassoAnalysis]: Preferences: 17.00/8.97 [2019-03-28 12:31:03,363 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.00/8.97 [2019-03-28 12:31:03,363 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.00/8.97 [2019-03-28 12:31:03,363 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.00/8.97 [2019-03-28 12:31:03,364 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.00/8.97 [2019-03-28 12:31:03,364 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.00/8.97 [2019-03-28 12:31:03,364 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.00/8.97 [2019-03-28 12:31:03,364 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.00/8.97 [2019-03-28 12:31:03,364 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 17.00/8.97 [2019-03-28 12:31:03,364 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.00/8.97 [2019-03-28 12:31:03,364 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.00/8.97 [2019-03-28 12:31:03,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.00/8.97 [2019-03-28 12:31:03,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.00/8.97 [2019-03-28 12:31:03,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.00/8.97 [2019-03-28 12:31:03,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.00/8.97 [2019-03-28 12:31:03,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.00/8.97 [2019-03-28 12:31:03,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.00/8.97 [2019-03-28 12:31:03,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.00/8.97 [2019-03-28 12:31:03,455 INFO L300 LassoAnalysis]: Preprocessing complete. 17.00/8.97 [2019-03-28 12:31:03,461 INFO L497 LassoAnalysis]: Using template 'affine'. 17.00/8.97 [2019-03-28 12:31:03,463 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.00/8.97 Termination analysis: LINEAR_WITH_GUESSES 17.00/8.97 Number of strict supporting invariants: 0 17.00/8.97 Number of non-strict supporting invariants: 1 17.00/8.97 Consider only non-deceasing supporting invariants: true 17.00/8.97 Simplify termination arguments: true 17.00/8.97 Simplify supporting invariants: trueOverapproximate stem: false 17.00/8.97 [2019-03-28 12:31:03,464 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.00/8.97 [2019-03-28 12:31:03,465 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.00/8.97 [2019-03-28 12:31:03,465 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.00/8.97 [2019-03-28 12:31:03,465 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.00/8.97 [2019-03-28 12:31:03,466 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.00/8.97 [2019-03-28 12:31:03,468 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.00/8.97 [2019-03-28 12:31:03,468 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.00/8.97 [2019-03-28 12:31:03,472 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.00/8.97 [2019-03-28 12:31:03,472 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.00/8.97 Termination analysis: LINEAR_WITH_GUESSES 17.00/8.97 Number of strict supporting invariants: 0 17.00/8.97 Number of non-strict supporting invariants: 1 17.00/8.97 Consider only non-deceasing supporting invariants: true 17.00/8.97 Simplify termination arguments: true 17.00/8.97 Simplify supporting invariants: trueOverapproximate stem: false 17.00/8.97 [2019-03-28 12:31:03,473 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.00/8.97 [2019-03-28 12:31:03,473 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.00/8.97 [2019-03-28 12:31:03,473 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.00/8.97 [2019-03-28 12:31:03,474 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.00/8.97 [2019-03-28 12:31:03,474 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.00/8.97 [2019-03-28 12:31:03,474 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.00/8.97 [2019-03-28 12:31:03,474 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.00/8.97 [2019-03-28 12:31:03,476 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.00/8.97 [2019-03-28 12:31:03,476 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.00/8.97 Termination analysis: LINEAR_WITH_GUESSES 17.00/8.97 Number of strict supporting invariants: 0 17.00/8.97 Number of non-strict supporting invariants: 1 17.00/8.97 Consider only non-deceasing supporting invariants: true 17.00/8.97 Simplify termination arguments: true 17.00/8.97 Simplify supporting invariants: trueOverapproximate stem: false 17.00/8.97 [2019-03-28 12:31:03,477 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.00/8.97 [2019-03-28 12:31:03,477 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.00/8.97 [2019-03-28 12:31:03,477 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.00/8.97 [2019-03-28 12:31:03,477 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.00/8.97 [2019-03-28 12:31:03,477 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.00/8.97 [2019-03-28 12:31:03,478 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.00/8.97 [2019-03-28 12:31:03,478 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.00/8.97 [2019-03-28 12:31:03,480 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.00/8.97 [2019-03-28 12:31:03,480 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.00/8.97 Termination analysis: LINEAR_WITH_GUESSES 17.00/8.97 Number of strict supporting invariants: 0 17.00/8.97 Number of non-strict supporting invariants: 1 17.00/8.97 Consider only non-deceasing supporting invariants: true 17.00/8.97 Simplify termination arguments: true 17.00/8.97 Simplify supporting invariants: trueOverapproximate stem: false 17.00/8.97 [2019-03-28 12:31:03,481 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.00/8.97 [2019-03-28 12:31:03,481 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.00/8.97 [2019-03-28 12:31:03,481 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.00/8.97 [2019-03-28 12:31:03,481 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.00/8.97 [2019-03-28 12:31:03,481 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.00/8.97 [2019-03-28 12:31:03,482 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.00/8.97 [2019-03-28 12:31:03,482 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.00/8.97 [2019-03-28 12:31:03,484 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.00/8.97 [2019-03-28 12:31:03,484 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.00/8.97 Termination analysis: LINEAR_WITH_GUESSES 17.00/8.97 Number of strict supporting invariants: 0 17.00/8.97 Number of non-strict supporting invariants: 1 17.00/8.97 Consider only non-deceasing supporting invariants: true 17.00/8.97 Simplify termination arguments: true 17.00/8.97 Simplify supporting invariants: trueOverapproximate stem: false 17.00/8.97 [2019-03-28 12:31:03,485 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.00/8.97 [2019-03-28 12:31:03,485 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.00/8.97 [2019-03-28 12:31:03,485 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.00/8.97 [2019-03-28 12:31:03,485 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.00/8.97 [2019-03-28 12:31:03,485 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.00/8.97 [2019-03-28 12:31:03,486 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.00/8.97 [2019-03-28 12:31:03,486 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.00/8.97 [2019-03-28 12:31:03,488 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.00/8.97 [2019-03-28 12:31:03,488 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.00/8.97 Termination analysis: LINEAR_WITH_GUESSES 17.00/8.97 Number of strict supporting invariants: 0 17.00/8.97 Number of non-strict supporting invariants: 1 17.00/8.97 Consider only non-deceasing supporting invariants: true 17.00/8.97 Simplify termination arguments: true 17.00/8.97 Simplify supporting invariants: trueOverapproximate stem: false 17.00/8.97 [2019-03-28 12:31:03,489 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.00/8.97 [2019-03-28 12:31:03,489 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.00/8.97 [2019-03-28 12:31:03,489 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.00/8.97 [2019-03-28 12:31:03,489 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.00/8.97 [2019-03-28 12:31:03,489 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.00/8.97 [2019-03-28 12:31:03,490 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.00/8.97 [2019-03-28 12:31:03,490 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.00/8.97 [2019-03-28 12:31:03,492 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.00/8.97 [2019-03-28 12:31:03,493 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.00/8.97 Termination analysis: LINEAR_WITH_GUESSES 17.00/8.97 Number of strict supporting invariants: 0 17.00/8.97 Number of non-strict supporting invariants: 1 17.00/8.97 Consider only non-deceasing supporting invariants: true 17.00/8.97 Simplify termination arguments: true 17.00/8.97 Simplify supporting invariants: trueOverapproximate stem: false 17.00/8.97 [2019-03-28 12:31:03,493 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.00/8.97 [2019-03-28 12:31:03,493 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.00/8.97 [2019-03-28 12:31:03,493 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.00/8.97 [2019-03-28 12:31:03,494 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.00/8.97 [2019-03-28 12:31:03,494 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.00/8.97 [2019-03-28 12:31:03,495 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.00/8.97 [2019-03-28 12:31:03,495 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.00/8.97 [2019-03-28 12:31:03,501 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.00/8.97 [2019-03-28 12:31:03,505 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. 17.00/8.97 [2019-03-28 12:31:03,506 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 17.00/8.97 [2019-03-28 12:31:03,508 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.00/8.97 [2019-03-28 12:31:03,508 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.00/8.97 [2019-03-28 12:31:03,508 INFO L518 LassoAnalysis]: Proved termination. 17.00/8.97 [2019-03-28 12:31:03,509 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.00/8.97 Ranking function f(mult_#in~m) = -1*mult_#in~m 17.00/8.97 Supporting invariants [] 17.00/8.97 [2019-03-28 12:31:03,510 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.00/8.97 [2019-03-28 12:31:03,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.00/8.97 [2019-03-28 12:31:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.00/8.97 [2019-03-28 12:31:03,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core 17.00/8.97 [2019-03-28 12:31:03,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.00/8.97 [2019-03-28 12:31:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.00/8.97 [2019-03-28 12:31:03,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core 17.00/8.97 [2019-03-28 12:31:03,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.00/8.97 [2019-03-28 12:31:03,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.00/8.97 [2019-03-28 12:31:03,626 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 17.00/8.97 [2019-03-28 12:31:03,631 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates 17.00/8.97 [2019-03-28 12:31:03,633 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 11 states. Second operand 4 states. 17.00/8.97 [2019-03-28 12:31:03,751 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 11 states.. Second operand 4 states. Result 53 states and 71 transitions. Complement of second has 16 states. 17.00/8.97 [2019-03-28 12:31:03,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states 17.00/8.97 [2019-03-28 12:31:03,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 17.00/8.97 [2019-03-28 12:31:03,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. 17.00/8.97 [2019-03-28 12:31:03,758 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 2 letters. Loop has 3 letters. 17.00/8.97 [2019-03-28 12:31:03,760 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.00/8.97 [2019-03-28 12:31:03,760 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 5 letters. Loop has 3 letters. 17.00/8.97 [2019-03-28 12:31:03,761 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.00/8.97 [2019-03-28 12:31:03,761 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 2 letters. Loop has 6 letters. 17.00/8.97 [2019-03-28 12:31:03,761 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.00/8.97 [2019-03-28 12:31:03,770 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 71 transitions. 17.00/8.97 [2019-03-28 12:31:03,775 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 17.00/8.97 [2019-03-28 12:31:03,781 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 21 states and 27 transitions. 17.00/8.97 [2019-03-28 12:31:03,782 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 17.00/8.97 [2019-03-28 12:31:03,783 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 17.00/8.97 [2019-03-28 12:31:03,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 27 transitions. 17.00/8.97 [2019-03-28 12:31:03,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.00/8.97 [2019-03-28 12:31:03,784 INFO L706 BuchiCegarLoop]: Abstraction has 21 states and 27 transitions. 17.00/8.97 [2019-03-28 12:31:03,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 27 transitions. 17.00/8.97 [2019-03-28 12:31:03,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 12. 17.00/8.97 [2019-03-28 12:31:03,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. 17.00/8.97 [2019-03-28 12:31:03,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. 17.00/8.97 [2019-03-28 12:31:03,817 INFO L729 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. 17.00/8.97 [2019-03-28 12:31:03,817 INFO L609 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. 17.00/8.97 [2019-03-28 12:31:03,817 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 17.00/8.97 [2019-03-28 12:31:03,817 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. 17.00/8.97 [2019-03-28 12:31:03,818 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 17.00/8.97 [2019-03-28 12:31:03,818 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.00/8.97 [2019-03-28 12:31:03,818 INFO L119 BuchiIsEmpty]: Starting construction of run 17.00/8.97 [2019-03-28 12:31:03,819 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] 17.00/8.97 [2019-03-28 12:31:03,819 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 17.00/8.97 [2019-03-28 12:31:03,819 INFO L794 eck$LassoCheckResult]: Stem: 129#ULTIMATE.startENTRY [35] ULTIMATE.startENTRY-->L25: Formula: (and (= v_ULTIMATE.start_main_~m~0_2 |v_ULTIMATE.start_main_#t~nondet2_4|) (= v_ULTIMATE.start_main_~n~0_2 |v_ULTIMATE.start_main_#t~nondet3_4|)) InVars {} OutVars{ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_2, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_3|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_2, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_2, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_4|} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet3_4|] AssignedVars[ULTIMATE.start_main_~res~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~m~0, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_#t~ret4] 121#L25 [40] L25-->multENTRY: Formula: (and (= |v_mult_#in~nInParam_3| v_ULTIMATE.start_main_~m~0_5) (= |v_mult_#in~mInParam_3| v_ULTIMATE.start_main_~n~0_5)) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_5, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_5} OutVars{mult_#in~m=|v_mult_#in~mInParam_3|, mult_#in~n=|v_mult_#in~nInParam_3|} AuxVars[] AssignedVars[mult_#in~m, mult_#in~n]< 120#multENTRY [27] multENTRY-->L13: Formula: (and (= v_mult_~n_1 |v_mult_#in~n_1|) (= v_mult_~m_1 |v_mult_#in~m_1|)) InVars {mult_#in~m=|v_mult_#in~m_1|, mult_#in~n=|v_mult_#in~n_1|} OutVars{mult_#in~m=|v_mult_#in~m_1|, mult_~n=v_mult_~n_1, mult_~m=v_mult_~m_1, mult_#in~n=|v_mult_#in~n_1|} AuxVars[] AssignedVars[mult_~n, mult_~m] 123#L13 [45] L13-->L16: Formula: (>= v_mult_~m_4 0) InVars {mult_~m=v_mult_~m_4} OutVars{mult_~m=v_mult_~m_4} AuxVars[] AssignedVars[] 126#L16 17.00/8.97 [2019-03-28 12:31:03,820 INFO L796 eck$LassoCheckResult]: Loop: 126#L16 [48] L16-->L19: Formula: (< 0 v_mult_~m_6) InVars {mult_~m=v_mult_~m_6} OutVars{mult_~m=v_mult_~m_6} AuxVars[] AssignedVars[] 127#L19 [36] L19-->multENTRY: Formula: (and (= |v_mult_#in~mInParam_2| (+ v_mult_~m_9 (- 1))) (= |v_mult_#in~nInParam_2| v_mult_~n_6)) InVars {mult_~n=v_mult_~n_6, mult_~m=v_mult_~m_9} OutVars{mult_#in~m=|v_mult_#in~mInParam_2|, mult_#in~n=|v_mult_#in~nInParam_2|} AuxVars[] AssignedVars[mult_#in~m, mult_#in~n]< 130#multENTRY [27] multENTRY-->L13: Formula: (and (= v_mult_~n_1 |v_mult_#in~n_1|) (= v_mult_~m_1 |v_mult_#in~m_1|)) InVars {mult_#in~m=|v_mult_#in~m_1|, mult_#in~n=|v_mult_#in~n_1|} OutVars{mult_#in~m=|v_mult_#in~m_1|, mult_~n=v_mult_~n_1, mult_~m=v_mult_~m_1, mult_#in~n=|v_mult_#in~n_1|} AuxVars[] AssignedVars[mult_~n, mult_~m] 131#L13 [45] L13-->L16: Formula: (>= v_mult_~m_4 0) InVars {mult_~m=v_mult_~m_4} OutVars{mult_~m=v_mult_~m_4} AuxVars[] AssignedVars[] 126#L16 17.00/8.97 [2019-03-28 12:31:03,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.00/8.97 [2019-03-28 12:31:03,820 INFO L82 PathProgramCache]: Analyzing trace with hash 2005528, now seen corresponding path program 1 times 17.00/8.97 [2019-03-28 12:31:03,820 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.00/8.97 [2019-03-28 12:31:03,820 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.00/8.97 [2019-03-28 12:31:03,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.00/8.97 [2019-03-28 12:31:03,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.00/8.97 [2019-03-28 12:31:03,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.00/8.97 [2019-03-28 12:31:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.00/8.97 [2019-03-28 12:31:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.00/8.97 [2019-03-28 12:31:03,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.00/8.97 [2019-03-28 12:31:03,830 INFO L82 PathProgramCache]: Analyzing trace with hash 2388967, now seen corresponding path program 1 times 17.00/8.97 [2019-03-28 12:31:03,830 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.00/8.97 [2019-03-28 12:31:03,830 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.00/8.97 [2019-03-28 12:31:03,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.00/8.97 [2019-03-28 12:31:03,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.00/8.97 [2019-03-28 12:31:03,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.00/8.97 [2019-03-28 12:31:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.00/8.97 [2019-03-28 12:31:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.00/8.97 [2019-03-28 12:31:03,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.00/8.97 [2019-03-28 12:31:03,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1017784958, now seen corresponding path program 1 times 17.00/8.97 [2019-03-28 12:31:03,840 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.00/8.97 [2019-03-28 12:31:03,840 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.00/8.97 [2019-03-28 12:31:03,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.00/8.97 [2019-03-28 12:31:03,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.00/8.97 [2019-03-28 12:31:03,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.00/8.97 [2019-03-28 12:31:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.00/8.97 [2019-03-28 12:31:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.00/8.97 [2019-03-28 12:31:03,931 INFO L216 LassoAnalysis]: Preferences: 17.00/8.97 [2019-03-28 12:31:03,932 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.00/8.97 [2019-03-28 12:31:03,932 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.00/8.97 [2019-03-28 12:31:03,932 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.00/8.97 [2019-03-28 12:31:03,932 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.00/8.97 [2019-03-28 12:31:03,932 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.00/8.97 [2019-03-28 12:31:03,932 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.00/8.97 [2019-03-28 12:31:03,933 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.00/8.97 [2019-03-28 12:31:03,933 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 17.00/8.97 [2019-03-28 12:31:03,933 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.00/8.97 [2019-03-28 12:31:03,933 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.00/8.97 [2019-03-28 12:31:03,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.00/8.97 [2019-03-28 12:31:03,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.00/8.97 [2019-03-28 12:31:03,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.00/8.97 [2019-03-28 12:31:03,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.00/8.97 [2019-03-28 12:31:03,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.00/8.97 [2019-03-28 12:31:04,031 INFO L300 LassoAnalysis]: Preprocessing complete. 17.00/8.97 [2019-03-28 12:31:04,031 INFO L412 LassoAnalysis]: Checking for nontermination... 17.00/8.97 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.00/8.97 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.00/8.97 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.00/8.97 [2019-03-28 12:31:04,037 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.00/8.97 [2019-03-28 12:31:04,037 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.00/8.97 [2019-03-28 12:31:04,042 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.00/8.97 [2019-03-28 12:31:04,043 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret0=0} Honda state: {mult_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.00/8.97 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.00/8.97 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.00/8.97 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.00/8.97 [2019-03-28 12:31:04,072 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.00/8.97 [2019-03-28 12:31:04,072 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.00/8.97 [2019-03-28 12:31:04,076 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.00/8.97 [2019-03-28 12:31:04,076 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret1=0} Honda state: {mult_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.00/8.97 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.00/8.97 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.00/8.97 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.00/8.97 [2019-03-28 12:31:04,106 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.00/8.97 [2019-03-28 12:31:04,106 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.00/8.97 [2019-03-28 12:31:04,112 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.00/8.97 [2019-03-28 12:31:04,112 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#res=0} Honda state: {mult_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.00/8.97 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.00/8.97 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.00/8.97 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.00/8.97 [2019-03-28 12:31:04,142 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.00/8.97 [2019-03-28 12:31:04,142 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.00/8.97 [2019-03-28 12:31:04,148 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.00/8.97 [2019-03-28 12:31:04,149 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~n=4, mult_#in~n=4} Honda state: {mult_~n=4, mult_#in~n=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.00/8.97 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.00/8.97 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.00/8.97 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.00/8.97 [2019-03-28 12:31:04,191 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.00/8.97 [2019-03-28 12:31:04,191 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.00/8.97 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.00/8.97 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.00/8.97 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.00/8.97 [2019-03-28 12:31:04,230 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.00/8.97 [2019-03-28 12:31:04,231 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.00/8.97 [2019-03-28 12:31:05,840 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.00/8.97 [2019-03-28 12:31:05,843 INFO L216 LassoAnalysis]: Preferences: 17.00/8.97 [2019-03-28 12:31:05,843 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.00/8.97 [2019-03-28 12:31:05,844 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.00/8.97 [2019-03-28 12:31:05,844 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.00/8.97 [2019-03-28 12:31:05,844 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.00/8.97 [2019-03-28 12:31:05,844 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.00/8.97 [2019-03-28 12:31:05,844 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.00/8.97 [2019-03-28 12:31:05,844 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.00/8.97 [2019-03-28 12:31:05,845 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 17.00/8.97 [2019-03-28 12:31:05,845 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.00/8.97 [2019-03-28 12:31:05,845 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.00/8.97 [2019-03-28 12:31:05,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.00/8.97 [2019-03-28 12:31:05,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.00/8.97 [2019-03-28 12:31:05,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.00/8.97 [2019-03-28 12:31:05,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.00/8.97 [2019-03-28 12:31:05,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.00/8.97 [2019-03-28 12:31:05,910 INFO L300 LassoAnalysis]: Preprocessing complete. 17.00/8.97 [2019-03-28 12:31:05,910 INFO L497 LassoAnalysis]: Using template 'affine'. 17.00/8.97 [2019-03-28 12:31:05,910 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.00/8.97 Termination analysis: LINEAR_WITH_GUESSES 17.00/8.97 Number of strict supporting invariants: 0 17.00/8.97 Number of non-strict supporting invariants: 1 17.00/8.97 Consider only non-deceasing supporting invariants: true 17.00/8.97 Simplify termination arguments: true 17.00/8.97 Simplify supporting invariants: trueOverapproximate stem: false 17.00/8.97 [2019-03-28 12:31:05,911 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.00/8.97 [2019-03-28 12:31:05,912 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.00/8.97 [2019-03-28 12:31:05,912 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.00/8.97 [2019-03-28 12:31:05,912 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.00/8.97 [2019-03-28 12:31:05,912 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.00/8.97 [2019-03-28 12:31:05,913 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.00/8.97 [2019-03-28 12:31:05,913 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.00/8.97 [2019-03-28 12:31:05,920 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.00/8.97 [2019-03-28 12:31:05,924 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 17.00/8.97 [2019-03-28 12:31:05,924 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 17.00/8.97 [2019-03-28 12:31:05,925 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.00/8.97 [2019-03-28 12:31:05,925 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.00/8.97 [2019-03-28 12:31:05,926 INFO L518 LassoAnalysis]: Proved termination. 17.00/8.97 [2019-03-28 12:31:05,926 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.00/8.97 Ranking function f(mult_~m) = 1*mult_~m 17.00/8.97 Supporting invariants [] 17.00/8.97 [2019-03-28 12:31:05,926 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.00/8.97 [2019-03-28 12:31:05,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.00/8.97 [2019-03-28 12:31:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.00/8.97 [2019-03-28 12:31:05,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core 17.00/8.97 [2019-03-28 12:31:05,956 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.00/8.97 [2019-03-28 12:31:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.00/8.97 [2019-03-28 12:31:05,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core 17.00/8.97 [2019-03-28 12:31:05,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.00/8.97 [2019-03-28 12:31:06,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.00/8.97 [2019-03-28 12:31:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.00/8.97 [2019-03-28 12:31:06,068 INFO L137 LoopCannibalizer]: termination argument not suffcient for all loop shiftings 17.00/8.97 [2019-03-28 12:31:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.00/8.97 [2019-03-28 12:31:06,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core 17.00/8.97 [2019-03-28 12:31:06,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.00/8.97 [2019-03-28 12:31:06,140 INFO L98 LoopCannibalizer]: 5 predicates before loop cannibalization 7 predicates after loop cannibalization 17.00/8.97 [2019-03-28 12:31:06,141 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 7 loop predicates 17.00/8.97 [2019-03-28 12:31:06,141 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 12 states and 16 transitions. cyclomatic complexity: 6 Second operand 5 states. 17.00/8.97 [2019-03-28 12:31:06,257 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 12 states and 16 transitions. cyclomatic complexity: 6. Second operand 5 states. Result 87 states and 115 transitions. Complement of second has 75 states. 17.00/8.97 [2019-03-28 12:31:06,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 4 non-accepting loop states 2 accepting loop states 17.00/8.97 [2019-03-28 12:31:06,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 17.00/8.97 [2019-03-28 12:31:06,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 25 transitions. 17.00/8.97 [2019-03-28 12:31:06,259 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 25 transitions. Stem has 4 letters. Loop has 4 letters. 17.00/8.97 [2019-03-28 12:31:06,260 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.00/8.97 [2019-03-28 12:31:06,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 25 transitions. Stem has 8 letters. Loop has 4 letters. 17.00/8.97 [2019-03-28 12:31:06,260 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.00/8.97 [2019-03-28 12:31:06,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 25 transitions. Stem has 4 letters. Loop has 8 letters. 17.00/8.97 [2019-03-28 12:31:06,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.00/8.97 [2019-03-28 12:31:06,262 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 87 states and 115 transitions. 17.00/8.97 [2019-03-28 12:31:06,267 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 17.00/8.97 [2019-03-28 12:31:06,268 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 87 states to 22 states and 27 transitions. 17.00/8.97 [2019-03-28 12:31:06,268 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 17.00/8.97 [2019-03-28 12:31:06,268 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 17.00/8.97 [2019-03-28 12:31:06,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 27 transitions. 17.00/8.97 [2019-03-28 12:31:06,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.00/8.97 [2019-03-28 12:31:06,269 INFO L706 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. 17.00/8.97 [2019-03-28 12:31:06,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 27 transitions. 17.00/8.97 [2019-03-28 12:31:06,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 15. 17.00/8.97 [2019-03-28 12:31:06,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. 17.00/8.97 [2019-03-28 12:31:06,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. 17.00/8.97 [2019-03-28 12:31:06,271 INFO L729 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. 17.00/8.97 [2019-03-28 12:31:06,271 INFO L609 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. 17.00/8.97 [2019-03-28 12:31:06,271 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 17.00/8.97 [2019-03-28 12:31:06,271 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. 17.00/8.97 [2019-03-28 12:31:06,272 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 17.00/8.97 [2019-03-28 12:31:06,272 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.00/8.97 [2019-03-28 12:31:06,272 INFO L119 BuchiIsEmpty]: Starting construction of run 17.00/8.97 [2019-03-28 12:31:06,272 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] 17.00/8.97 [2019-03-28 12:31:06,272 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1] 17.00/8.97 [2019-03-28 12:31:06,273 INFO L794 eck$LassoCheckResult]: Stem: 370#ULTIMATE.startENTRY [35] ULTIMATE.startENTRY-->L25: Formula: (and (= v_ULTIMATE.start_main_~m~0_2 |v_ULTIMATE.start_main_#t~nondet2_4|) (= v_ULTIMATE.start_main_~n~0_2 |v_ULTIMATE.start_main_#t~nondet3_4|)) InVars {} OutVars{ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_2, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_3|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_2, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_2, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_4|} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet3_4|] AssignedVars[ULTIMATE.start_main_~res~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~m~0, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_#t~ret4] 368#L25 [40] L25-->multENTRY: Formula: (and (= |v_mult_#in~nInParam_3| v_ULTIMATE.start_main_~m~0_5) (= |v_mult_#in~mInParam_3| v_ULTIMATE.start_main_~n~0_5)) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_5, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_5} OutVars{mult_#in~m=|v_mult_#in~mInParam_3|, mult_#in~n=|v_mult_#in~nInParam_3|} AuxVars[] AssignedVars[mult_#in~m, mult_#in~n]< 373#multENTRY [27] multENTRY-->L13: Formula: (and (= v_mult_~n_1 |v_mult_#in~n_1|) (= v_mult_~m_1 |v_mult_#in~m_1|)) InVars {mult_#in~m=|v_mult_#in~m_1|, mult_#in~n=|v_mult_#in~n_1|} OutVars{mult_#in~m=|v_mult_#in~m_1|, mult_~n=v_mult_~n_1, mult_~m=v_mult_~m_1, mult_#in~n=|v_mult_#in~n_1|} AuxVars[] AssignedVars[mult_~n, mult_~m] 372#L13 [45] L13-->L16: Formula: (>= v_mult_~m_4 0) InVars {mult_~m=v_mult_~m_4} OutVars{mult_~m=v_mult_~m_4} AuxVars[] AssignedVars[] 366#L16 17.00/8.97 [2019-03-28 12:31:06,273 INFO L796 eck$LassoCheckResult]: Loop: 366#L16 [48] L16-->L19: Formula: (< 0 v_mult_~m_6) InVars {mult_~m=v_mult_~m_6} OutVars{mult_~m=v_mult_~m_6} AuxVars[] AssignedVars[] 364#L19 [36] L19-->multENTRY: Formula: (and (= |v_mult_#in~mInParam_2| (+ v_mult_~m_9 (- 1))) (= |v_mult_#in~nInParam_2| v_mult_~n_6)) InVars {mult_~n=v_mult_~n_6, mult_~m=v_mult_~m_9} OutVars{mult_#in~m=|v_mult_#in~mInParam_2|, mult_#in~n=|v_mult_#in~nInParam_2|} AuxVars[] AssignedVars[mult_#in~m, mult_#in~n]< 363#multENTRY [27] multENTRY-->L13: Formula: (and (= v_mult_~n_1 |v_mult_#in~n_1|) (= v_mult_~m_1 |v_mult_#in~m_1|)) InVars {mult_#in~m=|v_mult_#in~m_1|, mult_#in~n=|v_mult_#in~n_1|} OutVars{mult_#in~m=|v_mult_#in~m_1|, mult_~n=v_mult_~n_1, mult_~m=v_mult_~m_1, mult_#in~n=|v_mult_#in~n_1|} AuxVars[] AssignedVars[mult_~n, mult_~m] 365#L13 [32] L13-->L14: Formula: (< v_mult_~m_2 0) InVars {mult_~m=v_mult_~m_2} OutVars{mult_~m=v_mult_~m_2} AuxVars[] AssignedVars[] 361#L14 [31] L14-->multENTRY: Formula: (and (= |v_mult_#in~nInParam_1| v_mult_~n_5) (= |v_mult_#in~mInParam_1| (- v_mult_~m_8))) InVars {mult_~n=v_mult_~n_5, mult_~m=v_mult_~m_8} OutVars{mult_#in~m=|v_mult_#in~mInParam_1|, mult_#in~n=|v_mult_#in~nInParam_1|} AuxVars[] AssignedVars[mult_#in~m, mult_#in~n]< 360#multENTRY [27] multENTRY-->L13: Formula: (and (= v_mult_~n_1 |v_mult_#in~n_1|) (= v_mult_~m_1 |v_mult_#in~m_1|)) InVars {mult_#in~m=|v_mult_#in~m_1|, mult_#in~n=|v_mult_#in~n_1|} OutVars{mult_#in~m=|v_mult_#in~m_1|, mult_~n=v_mult_~n_1, mult_~m=v_mult_~m_1, mult_#in~n=|v_mult_#in~n_1|} AuxVars[] AssignedVars[mult_~n, mult_~m] 362#L13 [45] L13-->L16: Formula: (>= v_mult_~m_4 0) InVars {mult_~m=v_mult_~m_4} OutVars{mult_~m=v_mult_~m_4} AuxVars[] AssignedVars[] 366#L16 17.00/8.97 [2019-03-28 12:31:06,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.00/8.97 [2019-03-28 12:31:06,273 INFO L82 PathProgramCache]: Analyzing trace with hash 2005528, now seen corresponding path program 2 times 17.00/8.97 [2019-03-28 12:31:06,274 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.00/8.97 [2019-03-28 12:31:06,274 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.00/8.97 [2019-03-28 12:31:06,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.00/8.97 [2019-03-28 12:31:06,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.00/8.97 [2019-03-28 12:31:06,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.00/8.97 [2019-03-28 12:31:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.00/8.97 [2019-03-28 12:31:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.00/8.97 [2019-03-28 12:31:06,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.00/8.97 [2019-03-28 12:31:06,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1845084745, now seen corresponding path program 1 times 17.00/8.97 [2019-03-28 12:31:06,282 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.00/8.97 [2019-03-28 12:31:06,282 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.00/8.97 [2019-03-28 12:31:06,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.00/8.97 [2019-03-28 12:31:06,283 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 17.00/8.97 [2019-03-28 12:31:06,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.00/8.97 [2019-03-28 12:31:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.00/8.97 [2019-03-28 12:31:06,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.00/8.97 [2019-03-28 12:31:06,327 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 17.00/8.97 [2019-03-28 12:31:06,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 17.00/8.97 [2019-03-28 12:31:06,330 INFO L811 eck$LassoCheckResult]: loop already infeasible 17.00/8.97 [2019-03-28 12:31:06,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. 17.00/8.97 [2019-03-28 12:31:06,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 17.00/8.97 [2019-03-28 12:31:06,333 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand 5 states. 17.00/8.97 [2019-03-28 12:31:06,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 17.00/8.97 [2019-03-28 12:31:06,365 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. 17.00/8.97 [2019-03-28 12:31:06,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 17.00/8.97 [2019-03-28 12:31:06,368 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 15 transitions. 17.00/8.97 [2019-03-28 12:31:06,368 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 17.00/8.97 [2019-03-28 12:31:06,368 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. 17.00/8.97 [2019-03-28 12:31:06,369 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 17.00/8.97 [2019-03-28 12:31:06,369 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 17.00/8.97 [2019-03-28 12:31:06,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 17.00/8.97 [2019-03-28 12:31:06,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 17.00/8.97 [2019-03-28 12:31:06,369 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 17.00/8.97 [2019-03-28 12:31:06,369 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 17.00/8.97 [2019-03-28 12:31:06,369 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 17.00/8.97 [2019-03-28 12:31:06,369 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 17.00/8.97 [2019-03-28 12:31:06,369 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 17.00/8.97 [2019-03-28 12:31:06,370 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 17.00/8.97 [2019-03-28 12:31:06,370 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 17.00/8.97 [2019-03-28 12:31:06,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:31:06 BasicIcfg 17.00/8.97 [2019-03-28 12:31:06,376 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 17.00/8.97 [2019-03-28 12:31:06,376 INFO L168 Benchmark]: Toolchain (without parser) took 4492.05 ms. Allocated memory was 649.6 MB in the beginning and 745.5 MB in the end (delta: 95.9 MB). Free memory was 563.8 MB in the beginning and 678.6 MB in the end (delta: -114.8 MB). There was no memory consumed. Max. memory is 50.3 GB. 17.00/8.97 [2019-03-28 12:31:06,378 INFO L168 Benchmark]: CDTParser took 0.16 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. 17.00/8.97 [2019-03-28 12:31:06,378 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.08 ms. Allocated memory is still 649.6 MB. Free memory was 563.8 MB in the beginning and 554.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 17.00/8.97 [2019-03-28 12:31:06,379 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.02 ms. Allocated memory was 649.6 MB in the beginning and 672.1 MB in the end (delta: 22.5 MB). Free memory was 554.4 MB in the beginning and 638.4 MB in the end (delta: -84.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 50.3 GB. 17.00/8.97 [2019-03-28 12:31:06,379 INFO L168 Benchmark]: Boogie Preprocessor took 16.97 ms. Allocated memory is still 672.1 MB. Free memory is still 638.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 17.00/8.97 [2019-03-28 12:31:06,380 INFO L168 Benchmark]: RCFGBuilder took 203.57 ms. Allocated memory is still 672.1 MB. Free memory was 638.4 MB in the beginning and 622.4 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 50.3 GB. 17.00/8.97 [2019-03-28 12:31:06,380 INFO L168 Benchmark]: BlockEncodingV2 took 77.74 ms. Allocated memory is still 672.1 MB. Free memory was 622.4 MB in the beginning and 617.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 17.00/8.97 [2019-03-28 12:31:06,381 INFO L168 Benchmark]: TraceAbstraction took 169.02 ms. Allocated memory is still 672.1 MB. Free memory was 617.0 MB in the beginning and 606.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. 17.00/8.97 [2019-03-28 12:31:06,381 INFO L168 Benchmark]: BuchiAutomizer took 3701.47 ms. Allocated memory was 672.1 MB in the beginning and 745.5 MB in the end (delta: 73.4 MB). Free memory was 606.2 MB in the beginning and 678.6 MB in the end (delta: -72.4 MB). Peak memory consumption was 991.9 kB. Max. memory is 50.3 GB. 17.00/8.97 [2019-03-28 12:31:06,386 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 17.00/8.97 --- Results --- 17.00/8.97 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 17.00/8.97 - StatisticsResult: Initial Icfg 17.00/8.97 15 locations, 18 edges 17.00/8.97 - StatisticsResult: Encoded RCFG 17.00/8.97 11 locations, 15 edges 17.00/8.97 * Results from de.uni_freiburg.informatik.ultimate.core: 17.00/8.97 - StatisticsResult: Toolchain Benchmarks 17.00/8.97 Benchmark results are: 17.00/8.97 * CDTParser took 0.16 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. 17.00/8.97 * CACSL2BoogieTranslator took 227.08 ms. Allocated memory is still 649.6 MB. Free memory was 563.8 MB in the beginning and 554.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 17.00/8.97 * Boogie Procedure Inliner took 91.02 ms. Allocated memory was 649.6 MB in the beginning and 672.1 MB in the end (delta: 22.5 MB). Free memory was 554.4 MB in the beginning and 638.4 MB in the end (delta: -84.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 50.3 GB. 17.00/8.97 * Boogie Preprocessor took 16.97 ms. Allocated memory is still 672.1 MB. Free memory is still 638.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 17.00/8.97 * RCFGBuilder took 203.57 ms. Allocated memory is still 672.1 MB. Free memory was 638.4 MB in the beginning and 622.4 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 50.3 GB. 17.00/8.97 * BlockEncodingV2 took 77.74 ms. Allocated memory is still 672.1 MB. Free memory was 622.4 MB in the beginning and 617.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 17.00/8.97 * TraceAbstraction took 169.02 ms. Allocated memory is still 672.1 MB. Free memory was 617.0 MB in the beginning and 606.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. 17.00/8.97 * BuchiAutomizer took 3701.47 ms. Allocated memory was 672.1 MB in the beginning and 745.5 MB in the end (delta: 73.4 MB). Free memory was 606.2 MB in the beginning and 678.6 MB in the end (delta: -72.4 MB). Peak memory consumption was 991.9 kB. Max. memory is 50.3 GB. 17.00/8.97 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 17.00/8.97 - AllSpecificationsHoldResult: All specifications hold 17.00/8.97 We were not able to verify any specifiation because the program does not contain any specification. 17.00/8.97 - StatisticsResult: Ultimate Automizer benchmark data 17.00/8.97 CFG has 2 procedures, 11 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=11occurred 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, 4 LocationsWithAnnotation, 10 PreInvPairs, 10 NumberOfFragments, 4 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 17.00/8.97 - StatisticsResult: Constructed decomposition of program 17.00/8.97 Your program was decomposed into 3 terminating modules (1 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function -1 * \old(m) and consists of 5 locations. One nondeterministic module has affine ranking function m and consists of 8 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. 17.00/8.97 - StatisticsResult: Timing statistics 17.00/8.97 BüchiAutomizer plugin needed 3.6s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 2.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 15 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 34 SDtfs, 48 SDslu, 22 SDs, 0 SdLazy, 84 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax100 hnf100 lsp72 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq168 hnf92 smp100 dnf100 smp100 tf111 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 10 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.8s 17.00/8.97 - TerminationAnalysisResult: Termination proven 17.00/8.97 Buchi Automizer proved that your program is terminating 17.00/8.97 RESULT: Ultimate proved your program to be correct! 17.00/8.97 !SESSION 2019-03-28 12:30:58.604 ----------------------------------------------- 17.00/8.97 eclipse.buildId=unknown 17.00/8.97 java.version=1.8.0_181 17.00/8.97 java.vendor=Oracle Corporation 17.00/8.97 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 17.00/8.97 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 17.00/8.97 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 17.00/8.97 17.00/8.97 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:31:06.618 17.00/8.97 !MESSAGE The workspace will exit with unsaved changes in this session. 17.00/8.97 Received shutdown request... 17.00/8.97 Ultimate: 17.00/8.97 GTK+ Version Check 17.00/8.97 EOF