16.88/8.63 YES 16.88/8.63 16.88/8.63 Ultimate: Cannot open display: 16.88/8.63 This is Ultimate 0.1.24-8dc7c08-m 16.88/8.63 [2019-03-29 01:51:30,668 INFO L170 SettingsManager]: Resetting all preferences to default values... 16.88/8.63 [2019-03-29 01:51:30,670 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 16.88/8.63 [2019-03-29 01:51:30,681 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 16.88/8.63 [2019-03-29 01:51:30,682 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 16.88/8.63 [2019-03-29 01:51:30,683 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 16.88/8.63 [2019-03-29 01:51:30,684 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 16.88/8.63 [2019-03-29 01:51:30,685 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 16.88/8.63 [2019-03-29 01:51:30,687 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 16.88/8.63 [2019-03-29 01:51:30,688 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 16.88/8.63 [2019-03-29 01:51:30,688 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 16.88/8.63 [2019-03-29 01:51:30,689 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 16.88/8.63 [2019-03-29 01:51:30,690 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 16.88/8.63 [2019-03-29 01:51:30,691 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 16.88/8.63 [2019-03-29 01:51:30,692 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 16.88/8.63 [2019-03-29 01:51:30,692 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 16.88/8.63 [2019-03-29 01:51:30,693 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 16.88/8.63 [2019-03-29 01:51:30,695 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 16.88/8.63 [2019-03-29 01:51:30,697 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 16.88/8.63 [2019-03-29 01:51:30,698 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 16.88/8.63 [2019-03-29 01:51:30,699 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 16.88/8.63 [2019-03-29 01:51:30,700 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 16.88/8.63 [2019-03-29 01:51:30,703 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 16.88/8.63 [2019-03-29 01:51:30,703 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 16.88/8.63 [2019-03-29 01:51:30,703 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 16.88/8.63 [2019-03-29 01:51:30,704 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 16.88/8.63 [2019-03-29 01:51:30,704 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 16.88/8.63 [2019-03-29 01:51:30,705 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 16.88/8.63 [2019-03-29 01:51:30,705 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 16.88/8.63 [2019-03-29 01:51:30,706 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 16.88/8.63 [2019-03-29 01:51:30,707 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 16.88/8.63 [2019-03-29 01:51:30,707 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 16.88/8.63 [2019-03-29 01:51:30,708 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 16.88/8.63 [2019-03-29 01:51:30,708 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 16.88/8.63 [2019-03-29 01:51:30,709 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 16.88/8.63 [2019-03-29 01:51:30,709 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 16.88/8.63 [2019-03-29 01:51:30,710 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 16.88/8.63 [2019-03-29 01:51:30,710 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 16.88/8.63 [2019-03-29 01:51:30,711 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 16.88/8.63 [2019-03-29 01:51:30,711 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 16.88/8.63 [2019-03-29 01:51:30,726 INFO L110 SettingsManager]: Loading preferences was successful 16.88/8.63 [2019-03-29 01:51:30,727 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 16.88/8.63 [2019-03-29 01:51:30,728 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 16.88/8.63 [2019-03-29 01:51:30,728 INFO L133 SettingsManager]: * Rewrite not-equals=true 16.88/8.63 [2019-03-29 01:51:30,728 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 16.88/8.63 [2019-03-29 01:51:30,728 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 16.88/8.63 [2019-03-29 01:51:30,728 INFO L133 SettingsManager]: * Use SBE=true 16.88/8.63 [2019-03-29 01:51:30,729 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 16.88/8.63 [2019-03-29 01:51:30,729 INFO L133 SettingsManager]: * Use old map elimination=false 16.88/8.63 [2019-03-29 01:51:30,729 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 16.88/8.63 [2019-03-29 01:51:30,729 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 16.88/8.63 [2019-03-29 01:51:30,729 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 16.88/8.63 [2019-03-29 01:51:30,730 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 16.88/8.63 [2019-03-29 01:51:30,730 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 16.88/8.63 [2019-03-29 01:51:30,730 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.88/8.63 [2019-03-29 01:51:30,730 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 16.88/8.63 [2019-03-29 01:51:30,730 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 16.88/8.63 [2019-03-29 01:51:30,731 INFO L133 SettingsManager]: * Check division by zero=IGNORE 16.88/8.63 [2019-03-29 01:51:30,731 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 16.88/8.63 [2019-03-29 01:51:30,731 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 16.88/8.63 [2019-03-29 01:51:30,731 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 16.88/8.63 [2019-03-29 01:51:30,732 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 16.88/8.63 [2019-03-29 01:51:30,732 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 16.88/8.63 [2019-03-29 01:51:30,732 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 16.88/8.63 [2019-03-29 01:51:30,732 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 16.88/8.63 [2019-03-29 01:51:30,732 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 16.88/8.63 [2019-03-29 01:51:30,733 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 16.88/8.63 [2019-03-29 01:51:30,733 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 16.88/8.63 [2019-03-29 01:51:30,733 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 16.88/8.63 [2019-03-29 01:51:30,758 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 16.88/8.63 [2019-03-29 01:51:30,772 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 16.88/8.63 [2019-03-29 01:51:30,775 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 16.88/8.63 [2019-03-29 01:51:30,777 INFO L271 PluginConnector]: Initializing CDTParser... 16.88/8.63 [2019-03-29 01:51:30,777 INFO L276 PluginConnector]: CDTParser initialized 16.88/8.63 [2019-03-29 01:51:30,778 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 16.88/8.63 [2019-03-29 01:51:30,848 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/888eaf32af5f416680dea811e8a243dc/FLAGcb6093fc6 16.88/8.63 [2019-03-29 01:51:31,195 INFO L307 CDTParser]: Found 1 translation units. 16.88/8.63 [2019-03-29 01:51:31,195 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 16.88/8.63 [2019-03-29 01:51:31,202 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/888eaf32af5f416680dea811e8a243dc/FLAGcb6093fc6 16.88/8.63 [2019-03-29 01:51:31,611 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/888eaf32af5f416680dea811e8a243dc 16.88/8.63 [2019-03-29 01:51:31,623 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 16.88/8.63 [2019-03-29 01:51:31,624 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 16.88/8.63 [2019-03-29 01:51:31,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 16.88/8.63 [2019-03-29 01:51:31,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 16.88/8.63 [2019-03-29 01:51:31,629 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 16.88/8.63 [2019-03-29 01:51:31,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:51:31" (1/1) ... 16.88/8.63 [2019-03-29 01:51:31,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f9e424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:51:31, skipping insertion in model container 16.88/8.63 [2019-03-29 01:51:31,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:51:31" (1/1) ... 16.88/8.63 [2019-03-29 01:51:31,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 16.88/8.63 [2019-03-29 01:51:31,658 INFO L176 MainTranslator]: Built tables and reachable declarations 16.88/8.63 [2019-03-29 01:51:31,814 INFO L206 PostProcessor]: Analyzing one entry point: main 16.88/8.63 [2019-03-29 01:51:31,819 INFO L191 MainTranslator]: Completed pre-run 16.88/8.63 [2019-03-29 01:51:31,835 INFO L206 PostProcessor]: Analyzing one entry point: main 16.88/8.63 [2019-03-29 01:51:31,904 INFO L195 MainTranslator]: Completed translation 16.88/8.63 [2019-03-29 01:51:31,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:51:31 WrapperNode 16.88/8.63 [2019-03-29 01:51:31,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 16.88/8.63 [2019-03-29 01:51:31,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 16.88/8.63 [2019-03-29 01:51:31,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 16.88/8.63 [2019-03-29 01:51:31,906 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 16.88/8.63 [2019-03-29 01:51:31,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:51:31" (1/1) ... 16.88/8.63 [2019-03-29 01:51:31,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:51:31" (1/1) ... 16.88/8.63 [2019-03-29 01:51:31,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 16.88/8.63 [2019-03-29 01:51:31,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 16.88/8.63 [2019-03-29 01:51:31,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 16.88/8.63 [2019-03-29 01:51:31,941 INFO L276 PluginConnector]: Boogie Preprocessor initialized 16.88/8.63 [2019-03-29 01:51:31,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:51:31" (1/1) ... 16.88/8.63 [2019-03-29 01:51:31,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:51:31" (1/1) ... 16.88/8.63 [2019-03-29 01:51:31,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:51:31" (1/1) ... 16.88/8.63 [2019-03-29 01:51:31,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:51:31" (1/1) ... 16.88/8.63 [2019-03-29 01:51:31,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:51:31" (1/1) ... 16.88/8.63 [2019-03-29 01:51:31,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:51:31" (1/1) ... 16.88/8.63 [2019-03-29 01:51:31,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:51:31" (1/1) ... 16.88/8.63 [2019-03-29 01:51:31,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 16.88/8.63 [2019-03-29 01:51:31,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 16.88/8.63 [2019-03-29 01:51:31,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... 16.88/8.63 [2019-03-29 01:51:31,962 INFO L276 PluginConnector]: RCFGBuilder initialized 16.88/8.63 [2019-03-29 01:51:31,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:51:31" (1/1) ... 16.88/8.63 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.88/8.63 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 16.88/8.63 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 16.88/8.63 [2019-03-29 01:51:32,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 16.88/8.63 [2019-03-29 01:51:32,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 16.88/8.63 [2019-03-29 01:51:32,163 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 16.88/8.63 [2019-03-29 01:51:32,163 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. 16.88/8.63 [2019-03-29 01:51:32,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:51:32 BoogieIcfgContainer 16.88/8.63 [2019-03-29 01:51:32,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 16.88/8.63 [2019-03-29 01:51:32,165 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 16.88/8.63 [2019-03-29 01:51:32,166 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 16.88/8.63 [2019-03-29 01:51:32,168 INFO L276 PluginConnector]: BlockEncodingV2 initialized 16.88/8.63 [2019-03-29 01:51:32,168 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:51:32" (1/1) ... 16.88/8.63 [2019-03-29 01:51:32,183 INFO L313 BlockEncoder]: Initial Icfg 10 locations, 15 edges 16.88/8.63 [2019-03-29 01:51:32,184 INFO L258 BlockEncoder]: Using Remove infeasible edges 16.88/8.63 [2019-03-29 01:51:32,185 INFO L263 BlockEncoder]: Using Maximize final states 16.88/8.63 [2019-03-29 01:51:32,186 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 16.88/8.63 [2019-03-29 01:51:32,186 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 16.88/8.63 [2019-03-29 01:51:32,188 INFO L296 BlockEncoder]: Using Remove sink states 16.88/8.63 [2019-03-29 01:51:32,189 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 16.88/8.63 [2019-03-29 01:51:32,189 INFO L179 BlockEncoder]: Using Rewrite not-equals 16.88/8.63 [2019-03-29 01:51:32,204 INFO L185 BlockEncoder]: Using Use SBE 16.88/8.63 [2019-03-29 01:51:32,212 INFO L200 BlockEncoder]: SBE split 0 edges 16.88/8.63 [2019-03-29 01:51:32,216 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 16.88/8.63 [2019-03-29 01:51:32,218 INFO L71 MaximizeFinalStates]: 0 new accepting states 16.88/8.63 [2019-03-29 01:51:32,233 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 16.88/8.63 [2019-03-29 01:51:32,235 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 16.88/8.63 [2019-03-29 01:51:32,236 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 16.88/8.63 [2019-03-29 01:51:32,236 INFO L71 MaximizeFinalStates]: 0 new accepting states 16.88/8.63 [2019-03-29 01:51:32,237 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 16.88/8.63 [2019-03-29 01:51:32,237 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 16.88/8.63 [2019-03-29 01:51:32,237 INFO L313 BlockEncoder]: Encoded RCFG 5 locations, 8 edges 16.88/8.63 [2019-03-29 01:51:32,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:51:32 BasicIcfg 16.88/8.63 [2019-03-29 01:51:32,238 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 16.88/8.63 [2019-03-29 01:51:32,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 16.88/8.63 [2019-03-29 01:51:32,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... 16.88/8.63 [2019-03-29 01:51:32,242 INFO L276 PluginConnector]: TraceAbstraction initialized 16.88/8.63 [2019-03-29 01:51:32,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 01:51:31" (1/4) ... 16.88/8.63 [2019-03-29 01:51:32,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18543861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:51:32, skipping insertion in model container 16.88/8.63 [2019-03-29 01:51:32,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:51:31" (2/4) ... 16.88/8.63 [2019-03-29 01:51:32,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18543861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:51:32, skipping insertion in model container 16.88/8.63 [2019-03-29 01:51:32,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:51:32" (3/4) ... 16.88/8.63 [2019-03-29 01:51:32,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18543861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:51:32, skipping insertion in model container 16.88/8.63 [2019-03-29 01:51:32,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:51:32" (4/4) ... 16.88/8.63 [2019-03-29 01:51:32,246 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 16.88/8.63 [2019-03-29 01:51:32,257 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 16.88/8.63 [2019-03-29 01:51:32,265 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 16.88/8.63 [2019-03-29 01:51:32,284 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 16.88/8.63 [2019-03-29 01:51:32,313 INFO L133 ementStrategyFactory]: Using default assertion order modulation 16.88/8.63 [2019-03-29 01:51:32,314 INFO L382 AbstractCegarLoop]: Interprodecural is true 16.88/8.63 [2019-03-29 01:51:32,314 INFO L383 AbstractCegarLoop]: Hoare is true 16.88/8.63 [2019-03-29 01:51:32,314 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 16.88/8.63 [2019-03-29 01:51:32,314 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 16.88/8.63 [2019-03-29 01:51:32,315 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 16.88/8.63 [2019-03-29 01:51:32,315 INFO L387 AbstractCegarLoop]: Difference is false 16.88/8.63 [2019-03-29 01:51:32,315 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 16.88/8.63 [2019-03-29 01:51:32,315 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 16.88/8.63 [2019-03-29 01:51:32,329 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. 16.88/8.63 [2019-03-29 01:51:32,335 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 16.88/8.63 [2019-03-29 01:51:32,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. 16.88/8.63 [2019-03-29 01:51:32,391 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 16.88/8.63 [2019-03-29 01:51:32,391 INFO L451 ceAbstractionStarter]: At program point L25-2(lines 25 27) the Hoare annotation is: true 16.88/8.63 [2019-03-29 01:51:32,392 INFO L448 ceAbstractionStarter]: For program point L22-1(lines 14 33) no Hoare annotation was computed. 16.88/8.63 [2019-03-29 01:51:32,392 INFO L448 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. 16.88/8.63 [2019-03-29 01:51:32,392 INFO L448 ceAbstractionStarter]: For program point L20-2(lines 14 33) no Hoare annotation was computed. 16.88/8.63 [2019-03-29 01:51:32,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:51:32 BasicIcfg 16.88/8.63 [2019-03-29 01:51:32,400 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 16.88/8.63 [2019-03-29 01:51:32,401 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 16.88/8.63 [2019-03-29 01:51:32,401 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 16.88/8.63 [2019-03-29 01:51:32,405 INFO L276 PluginConnector]: BuchiAutomizer initialized 16.88/8.63 [2019-03-29 01:51:32,406 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.88/8.63 [2019-03-29 01:51:32,406 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 01:51:31" (1/5) ... 16.88/8.63 [2019-03-29 01:51:32,406 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37de864c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:51:32, skipping insertion in model container 16.88/8.63 [2019-03-29 01:51:32,407 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.88/8.63 [2019-03-29 01:51:32,407 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:51:31" (2/5) ... 16.88/8.63 [2019-03-29 01:51:32,407 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37de864c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:51:32, skipping insertion in model container 16.88/8.63 [2019-03-29 01:51:32,407 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.88/8.63 [2019-03-29 01:51:32,407 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:51:32" (3/5) ... 16.88/8.63 [2019-03-29 01:51:32,408 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37de864c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:51:32, skipping insertion in model container 16.88/8.63 [2019-03-29 01:51:32,408 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.88/8.63 [2019-03-29 01:51:32,408 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:51:32" (4/5) ... 16.88/8.63 [2019-03-29 01:51:32,409 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37de864c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:51:32, skipping insertion in model container 16.88/8.63 [2019-03-29 01:51:32,409 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.88/8.63 [2019-03-29 01:51:32,409 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:51:32" (5/5) ... 16.88/8.63 [2019-03-29 01:51:32,410 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 16.88/8.63 [2019-03-29 01:51:32,437 INFO L133 ementStrategyFactory]: Using default assertion order modulation 16.88/8.63 [2019-03-29 01:51:32,437 INFO L374 BuchiCegarLoop]: Interprodecural is true 16.88/8.63 [2019-03-29 01:51:32,437 INFO L375 BuchiCegarLoop]: Hoare is true 16.88/8.63 [2019-03-29 01:51:32,438 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 16.88/8.63 [2019-03-29 01:51:32,438 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 16.88/8.63 [2019-03-29 01:51:32,438 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 16.88/8.63 [2019-03-29 01:51:32,438 INFO L379 BuchiCegarLoop]: Difference is false 16.88/8.63 [2019-03-29 01:51:32,438 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 16.88/8.63 [2019-03-29 01:51:32,438 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 16.88/8.63 [2019-03-29 01:51:32,442 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 16.88/8.63 [2019-03-29 01:51:32,459 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 16.88/8.63 [2019-03-29 01:51:32,459 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.88/8.64 [2019-03-29 01:51:32,459 INFO L119 BuchiIsEmpty]: Starting construction of run 16.88/8.64 [2019-03-29 01:51:32,465 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 16.88/8.64 [2019-03-29 01:51:32,465 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 16.88/8.64 [2019-03-29 01:51:32,465 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 16.88/8.64 [2019-03-29 01:51:32,466 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 16.88/8.64 [2019-03-29 01:51:32,466 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 16.88/8.64 [2019-03-29 01:51:32,466 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.88/8.64 [2019-03-29 01:51:32,467 INFO L119 BuchiIsEmpty]: Starting construction of run 16.88/8.64 [2019-03-29 01:51:32,467 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 16.88/8.64 [2019-03-29 01:51:32,467 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 16.88/8.64 [2019-03-29 01:51:32,472 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [45] ULTIMATE.startENTRY-->L20: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~r~0, ULTIMATE.start_main_~x~0] 7#L20true [57] L20-->L20-2: Formula: (>= v_ULTIMATE.start_main_~x~0_9 0) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 6#L20-2true [58] L20-2-->L22-1: Formula: (>= v_ULTIMATE.start_main_~y~0_10 0) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10} AuxVars[] AssignedVars[] 3#L22-1true 16.88/8.64 [2019-03-29 01:51:32,473 INFO L796 eck$LassoCheckResult]: Loop: 3#L22-1true [44] L22-1-->L25-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_12) (= v_ULTIMATE.start_main_~r~0_5 v_ULTIMATE.start_main_~x~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~r~0] 5#L25-2true [62] L25-2-->L22-1: Formula: (and (= v_ULTIMATE.start_main_~r~0_9 v_ULTIMATE.start_main_~y~0_16) (= v_ULTIMATE.start_main_~x~0_11 v_ULTIMATE.start_main_~y~0_17) (< v_ULTIMATE.start_main_~r~0_9 v_ULTIMATE.start_main_~y~0_17)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_17, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_16, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 3#L22-1true 16.88/8.64 [2019-03-29 01:51:32,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.88/8.64 [2019-03-29 01:51:32,480 INFO L82 PathProgramCache]: Analyzing trace with hash 74861, now seen corresponding path program 1 times 16.88/8.64 [2019-03-29 01:51:32,482 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.88/8.64 [2019-03-29 01:51:32,482 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.88/8.64 [2019-03-29 01:51:32,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.88/8.64 [2019-03-29 01:51:32,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.88/8.64 [2019-03-29 01:51:32,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.88/8.64 [2019-03-29 01:51:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.88/8.64 [2019-03-29 01:51:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.88/8.64 [2019-03-29 01:51:32,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.88/8.64 [2019-03-29 01:51:32,556 INFO L82 PathProgramCache]: Analyzing trace with hash 2387, now seen corresponding path program 1 times 16.88/8.64 [2019-03-29 01:51:32,557 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.88/8.64 [2019-03-29 01:51:32,557 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.88/8.64 [2019-03-29 01:51:32,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.88/8.64 [2019-03-29 01:51:32,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.88/8.64 [2019-03-29 01:51:32,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.88/8.64 [2019-03-29 01:51:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.88/8.64 [2019-03-29 01:51:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.88/8.64 [2019-03-29 01:51:32,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.88/8.64 [2019-03-29 01:51:32,570 INFO L82 PathProgramCache]: Analyzing trace with hash 71942847, now seen corresponding path program 1 times 16.88/8.64 [2019-03-29 01:51:32,570 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.88/8.64 [2019-03-29 01:51:32,570 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.88/8.64 [2019-03-29 01:51:32,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.88/8.64 [2019-03-29 01:51:32,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.88/8.64 [2019-03-29 01:51:32,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.88/8.64 [2019-03-29 01:51:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.88/8.64 [2019-03-29 01:51:32,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.88/8.64 [2019-03-29 01:51:32,637 INFO L216 LassoAnalysis]: Preferences: 16.88/8.64 [2019-03-29 01:51:32,638 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.88/8.64 [2019-03-29 01:51:32,638 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.88/8.64 [2019-03-29 01:51:32,638 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.88/8.64 [2019-03-29 01:51:32,639 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.88/8.64 [2019-03-29 01:51:32,639 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.88/8.64 [2019-03-29 01:51:32,639 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.88/8.64 [2019-03-29 01:51:32,639 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.88/8.64 [2019-03-29 01:51:32,639 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 16.88/8.64 [2019-03-29 01:51:32,640 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.88/8.64 [2019-03-29 01:51:32,640 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.88/8.64 [2019-03-29 01:51:32,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.88/8.64 [2019-03-29 01:51:32,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.88/8.64 [2019-03-29 01:51:32,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.88/8.64 [2019-03-29 01:51:32,795 INFO L300 LassoAnalysis]: Preprocessing complete. 16.88/8.64 [2019-03-29 01:51:32,796 INFO L412 LassoAnalysis]: Checking for nontermination... 16.88/8.64 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.88/8.64 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.88/8.64 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.88/8.64 [2019-03-29 01:51:32,804 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.88/8.64 [2019-03-29 01:51:32,805 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.88/8.64 [2019-03-29 01:51:32,840 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.88/8.64 [2019-03-29 01:51:32,840 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.88/8.64 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.88/8.64 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.88/8.64 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.88/8.64 [2019-03-29 01:51:32,851 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.88/8.64 [2019-03-29 01:51:32,851 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.88/8.64 [2019-03-29 01:51:32,880 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.88/8.64 [2019-03-29 01:51:32,880 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.88/8.64 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.88/8.64 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.88/8.64 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.88/8.64 [2019-03-29 01:51:32,888 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.88/8.64 [2019-03-29 01:51:32,888 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.88/8.64 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.88/8.64 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.88/8.64 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.88/8.64 [2019-03-29 01:51:32,928 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.88/8.64 [2019-03-29 01:51:32,928 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.88/8.64 [2019-03-29 01:51:33,387 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.88/8.64 [2019-03-29 01:51:33,390 INFO L216 LassoAnalysis]: Preferences: 16.88/8.64 [2019-03-29 01:51:33,390 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.88/8.64 [2019-03-29 01:51:33,391 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.88/8.64 [2019-03-29 01:51:33,391 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.88/8.64 [2019-03-29 01:51:33,391 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.88/8.64 [2019-03-29 01:51:33,391 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.88/8.64 [2019-03-29 01:51:33,391 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.88/8.64 [2019-03-29 01:51:33,391 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.88/8.64 [2019-03-29 01:51:33,391 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 16.88/8.64 [2019-03-29 01:51:33,392 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.88/8.64 [2019-03-29 01:51:33,392 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.88/8.64 [2019-03-29 01:51:33,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.88/8.64 [2019-03-29 01:51:33,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.88/8.64 [2019-03-29 01:51:33,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.88/8.64 [2019-03-29 01:51:33,482 INFO L300 LassoAnalysis]: Preprocessing complete. 16.88/8.64 [2019-03-29 01:51:33,488 INFO L497 LassoAnalysis]: Using template 'affine'. 16.88/8.64 [2019-03-29 01:51:33,490 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.88/8.64 Termination analysis: LINEAR_WITH_GUESSES 16.88/8.64 Number of strict supporting invariants: 0 16.88/8.64 Number of non-strict supporting invariants: 1 16.88/8.64 Consider only non-deceasing supporting invariants: true 16.88/8.64 Simplify termination arguments: true 16.88/8.64 Simplify supporting invariants: trueOverapproximate stem: false 16.88/8.64 [2019-03-29 01:51:33,491 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.88/8.64 [2019-03-29 01:51:33,492 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.88/8.64 [2019-03-29 01:51:33,492 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.88/8.64 [2019-03-29 01:51:33,492 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.88/8.64 [2019-03-29 01:51:33,496 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.88/8.64 [2019-03-29 01:51:33,496 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.88/8.64 [2019-03-29 01:51:33,504 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.88/8.64 [2019-03-29 01:51:33,505 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.88/8.64 Termination analysis: LINEAR_WITH_GUESSES 16.88/8.64 Number of strict supporting invariants: 0 16.88/8.64 Number of non-strict supporting invariants: 1 16.88/8.64 Consider only non-deceasing supporting invariants: true 16.88/8.64 Simplify termination arguments: true 16.88/8.64 Simplify supporting invariants: trueOverapproximate stem: false 16.88/8.64 [2019-03-29 01:51:33,505 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.88/8.64 [2019-03-29 01:51:33,505 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.88/8.64 [2019-03-29 01:51:33,506 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.88/8.64 [2019-03-29 01:51:33,506 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.88/8.64 [2019-03-29 01:51:33,506 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.88/8.64 [2019-03-29 01:51:33,508 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.88/8.64 [2019-03-29 01:51:33,508 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.88/8.64 [2019-03-29 01:51:33,521 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.88/8.64 [2019-03-29 01:51:33,531 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 16.88/8.64 [2019-03-29 01:51:33,531 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. 16.88/8.64 [2019-03-29 01:51:33,533 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.88/8.64 [2019-03-29 01:51:33,533 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 16.88/8.64 [2019-03-29 01:51:33,534 INFO L518 LassoAnalysis]: Proved termination. 16.88/8.64 [2019-03-29 01:51:33,534 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.88/8.64 Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 16.88/8.64 Supporting invariants [] 16.88/8.64 [2019-03-29 01:51:33,535 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 16.88/8.64 [2019-03-29 01:51:33,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.88/8.64 [2019-03-29 01:51:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.88/8.64 [2019-03-29 01:51:33,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 16.88/8.64 [2019-03-29 01:51:33,568 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.88/8.64 [2019-03-29 01:51:33,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.88/8.64 [2019-03-29 01:51:33,581 WARN L254 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core 16.88/8.64 [2019-03-29 01:51:33,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.88/8.64 [2019-03-29 01:51:33,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.88/8.64 [2019-03-29 01:51:33,618 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 16.88/8.64 [2019-03-29 01:51:33,623 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 16.88/8.64 [2019-03-29 01:51:33,625 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states. Second operand 3 states. 16.88/8.64 [2019-03-29 01:51:33,660 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states.. Second operand 3 states. Result 10 states and 16 transitions. Complement of second has 4 states. 16.88/8.64 [2019-03-29 01:51:33,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 16.88/8.64 [2019-03-29 01:51:33,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 16.88/8.64 [2019-03-29 01:51:33,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. 16.88/8.64 [2019-03-29 01:51:33,665 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 3 letters. Loop has 2 letters. 16.88/8.64 [2019-03-29 01:51:33,666 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.88/8.64 [2019-03-29 01:51:33,666 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 5 letters. Loop has 2 letters. 16.88/8.64 [2019-03-29 01:51:33,667 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.88/8.64 [2019-03-29 01:51:33,667 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 3 letters. Loop has 4 letters. 16.88/8.64 [2019-03-29 01:51:33,667 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.88/8.64 [2019-03-29 01:51:33,673 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 16 transitions. 16.88/8.64 [2019-03-29 01:51:33,674 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 16.88/8.64 [2019-03-29 01:51:33,678 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 10 states and 16 transitions. 16.88/8.64 [2019-03-29 01:51:33,679 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 16.88/8.64 [2019-03-29 01:51:33,679 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 16.88/8.64 [2019-03-29 01:51:33,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 16 transitions. 16.88/8.64 [2019-03-29 01:51:33,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 16.88/8.64 [2019-03-29 01:51:33,680 INFO L706 BuchiCegarLoop]: Abstraction has 10 states and 16 transitions. 16.88/8.64 [2019-03-29 01:51:33,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 16 transitions. 16.88/8.64 [2019-03-29 01:51:33,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. 16.88/8.64 [2019-03-29 01:51:33,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. 16.88/8.64 [2019-03-29 01:51:33,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 15 transitions. 16.88/8.64 [2019-03-29 01:51:33,710 INFO L729 BuchiCegarLoop]: Abstraction has 9 states and 15 transitions. 16.88/8.64 [2019-03-29 01:51:33,710 INFO L609 BuchiCegarLoop]: Abstraction has 9 states and 15 transitions. 16.88/8.64 [2019-03-29 01:51:33,710 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 16.88/8.64 [2019-03-29 01:51:33,710 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 15 transitions. 16.88/8.64 [2019-03-29 01:51:33,711 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 16.88/8.64 [2019-03-29 01:51:33,711 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.88/8.64 [2019-03-29 01:51:33,711 INFO L119 BuchiIsEmpty]: Starting construction of run 16.88/8.64 [2019-03-29 01:51:33,712 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 16.88/8.64 [2019-03-29 01:51:33,712 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 16.88/8.64 [2019-03-29 01:51:33,712 INFO L794 eck$LassoCheckResult]: Stem: 59#ULTIMATE.startENTRY [45] ULTIMATE.startENTRY-->L20: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~r~0, ULTIMATE.start_main_~x~0] 60#L20 [57] L20-->L20-2: Formula: (>= v_ULTIMATE.start_main_~x~0_9 0) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 61#L20-2 [51] L20-2-->L22-1: Formula: (and (< v_ULTIMATE.start_main_~y~0_9 0) (= v_ULTIMATE.start_main_~y~0_8 (- v_ULTIMATE.start_main_~y~0_9))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 54#L22-1 16.88/8.64 [2019-03-29 01:51:33,712 INFO L796 eck$LassoCheckResult]: Loop: 54#L22-1 [44] L22-1-->L25-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_12) (= v_ULTIMATE.start_main_~r~0_5 v_ULTIMATE.start_main_~x~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~r~0] 55#L25-2 [62] L25-2-->L22-1: Formula: (and (= v_ULTIMATE.start_main_~r~0_9 v_ULTIMATE.start_main_~y~0_16) (= v_ULTIMATE.start_main_~x~0_11 v_ULTIMATE.start_main_~y~0_17) (< v_ULTIMATE.start_main_~r~0_9 v_ULTIMATE.start_main_~y~0_17)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_17, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_16, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 54#L22-1 16.88/8.64 [2019-03-29 01:51:33,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.88/8.64 [2019-03-29 01:51:33,713 INFO L82 PathProgramCache]: Analyzing trace with hash 74854, now seen corresponding path program 1 times 16.88/8.64 [2019-03-29 01:51:33,713 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.88/8.64 [2019-03-29 01:51:33,713 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.88/8.64 [2019-03-29 01:51:33,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.88/8.64 [2019-03-29 01:51:33,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.88/8.64 [2019-03-29 01:51:33,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.88/8.64 [2019-03-29 01:51:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.88/8.64 [2019-03-29 01:51:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.88/8.64 [2019-03-29 01:51:33,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.88/8.64 [2019-03-29 01:51:33,722 INFO L82 PathProgramCache]: Analyzing trace with hash 2387, now seen corresponding path program 2 times 16.88/8.64 [2019-03-29 01:51:33,722 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.88/8.64 [2019-03-29 01:51:33,722 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.88/8.64 [2019-03-29 01:51:33,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.88/8.64 [2019-03-29 01:51:33,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.88/8.64 [2019-03-29 01:51:33,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.88/8.64 [2019-03-29 01:51:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.88/8.64 [2019-03-29 01:51:33,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.88/8.64 [2019-03-29 01:51:33,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.88/8.64 [2019-03-29 01:51:33,729 INFO L82 PathProgramCache]: Analyzing trace with hash 71936120, now seen corresponding path program 1 times 16.88/8.64 [2019-03-29 01:51:33,730 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.88/8.64 [2019-03-29 01:51:33,730 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.88/8.64 [2019-03-29 01:51:33,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.88/8.64 [2019-03-29 01:51:33,731 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 16.88/8.64 [2019-03-29 01:51:33,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.88/8.64 [2019-03-29 01:51:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.88/8.64 [2019-03-29 01:51:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.88/8.64 [2019-03-29 01:51:33,762 INFO L216 LassoAnalysis]: Preferences: 16.88/8.64 [2019-03-29 01:51:33,763 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.88/8.64 [2019-03-29 01:51:33,763 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.88/8.64 [2019-03-29 01:51:33,763 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.88/8.64 [2019-03-29 01:51:33,763 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.88/8.64 [2019-03-29 01:51:33,763 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.88/8.64 [2019-03-29 01:51:33,763 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.88/8.64 [2019-03-29 01:51:33,764 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.88/8.64 [2019-03-29 01:51:33,764 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 16.88/8.64 [2019-03-29 01:51:33,764 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.88/8.64 [2019-03-29 01:51:33,764 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.88/8.64 [2019-03-29 01:51:33,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.88/8.64 [2019-03-29 01:51:33,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.88/8.64 [2019-03-29 01:51:33,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.88/8.64 [2019-03-29 01:51:33,849 INFO L300 LassoAnalysis]: Preprocessing complete. 16.88/8.64 [2019-03-29 01:51:33,849 INFO L412 LassoAnalysis]: Checking for nontermination... 16.88/8.64 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.88/8.64 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.88/8.64 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.88/8.64 [2019-03-29 01:51:33,860 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.88/8.64 [2019-03-29 01:51:33,860 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.88/8.64 [2019-03-29 01:51:33,892 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.88/8.64 [2019-03-29 01:51:33,892 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.88/8.64 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.88/8.64 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.88/8.64 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.88/8.64 [2019-03-29 01:51:33,902 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.88/8.64 [2019-03-29 01:51:33,902 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.88/8.64 [2019-03-29 01:51:33,932 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.88/8.64 [2019-03-29 01:51:33,932 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.88/8.64 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.88/8.64 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.88/8.64 [2019-03-29 01:51:33,940 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.88/8.64 [2019-03-29 01:51:33,940 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.88/8.64 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.88/8.64 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.88/8.64 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.88/8.64 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.88/8.64 [2019-03-29 01:51:33,986 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.88/8.64 [2019-03-29 01:51:33,986 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.88/8.64 [2019-03-29 01:51:34,700 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.88/8.64 [2019-03-29 01:51:34,704 INFO L216 LassoAnalysis]: Preferences: 16.88/8.64 [2019-03-29 01:51:34,704 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.88/8.64 [2019-03-29 01:51:34,704 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.88/8.64 [2019-03-29 01:51:34,704 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.88/8.64 [2019-03-29 01:51:34,705 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.88/8.64 [2019-03-29 01:51:34,705 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.88/8.64 [2019-03-29 01:51:34,705 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.88/8.64 [2019-03-29 01:51:34,705 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.88/8.64 [2019-03-29 01:51:34,705 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 16.88/8.64 [2019-03-29 01:51:34,705 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.88/8.64 [2019-03-29 01:51:34,705 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.88/8.64 [2019-03-29 01:51:34,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.88/8.64 [2019-03-29 01:51:34,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.88/8.64 [2019-03-29 01:51:34,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.88/8.64 [2019-03-29 01:51:34,775 INFO L300 LassoAnalysis]: Preprocessing complete. 16.88/8.64 [2019-03-29 01:51:34,776 INFO L497 LassoAnalysis]: Using template 'affine'. 16.88/8.64 [2019-03-29 01:51:34,776 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.88/8.64 Termination analysis: LINEAR_WITH_GUESSES 16.88/8.64 Number of strict supporting invariants: 0 16.88/8.64 Number of non-strict supporting invariants: 1 16.88/8.64 Consider only non-deceasing supporting invariants: true 16.88/8.64 Simplify termination arguments: true 16.88/8.64 Simplify supporting invariants: trueOverapproximate stem: false 16.88/8.64 [2019-03-29 01:51:34,777 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.88/8.64 [2019-03-29 01:51:34,777 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.88/8.64 [2019-03-29 01:51:34,778 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.88/8.64 [2019-03-29 01:51:34,778 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.88/8.64 [2019-03-29 01:51:34,780 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.88/8.64 [2019-03-29 01:51:34,780 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.88/8.64 [2019-03-29 01:51:34,784 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.88/8.64 [2019-03-29 01:51:34,785 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.88/8.64 Termination analysis: LINEAR_WITH_GUESSES 16.88/8.64 Number of strict supporting invariants: 0 16.88/8.64 Number of non-strict supporting invariants: 1 16.88/8.64 Consider only non-deceasing supporting invariants: true 16.88/8.64 Simplify termination arguments: true 16.88/8.64 Simplify supporting invariants: trueOverapproximate stem: false 16.88/8.64 [2019-03-29 01:51:34,785 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.88/8.64 [2019-03-29 01:51:34,786 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.88/8.64 [2019-03-29 01:51:34,786 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.88/8.64 [2019-03-29 01:51:34,786 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.88/8.64 [2019-03-29 01:51:34,788 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.88/8.64 [2019-03-29 01:51:34,788 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.88/8.64 [2019-03-29 01:51:34,794 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.88/8.64 [2019-03-29 01:51:34,795 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.88/8.64 Termination analysis: LINEAR_WITH_GUESSES 16.88/8.64 Number of strict supporting invariants: 0 16.88/8.64 Number of non-strict supporting invariants: 1 16.88/8.64 Consider only non-deceasing supporting invariants: true 16.88/8.64 Simplify termination arguments: true 16.88/8.64 Simplify supporting invariants: trueOverapproximate stem: false 16.88/8.64 [2019-03-29 01:51:34,795 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.88/8.64 [2019-03-29 01:51:34,796 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.88/8.64 [2019-03-29 01:51:34,796 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.88/8.64 [2019-03-29 01:51:34,796 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.88/8.64 [2019-03-29 01:51:34,796 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.88/8.64 [2019-03-29 01:51:34,797 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.88/8.64 [2019-03-29 01:51:34,797 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.88/8.64 [2019-03-29 01:51:34,804 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.88/8.64 [2019-03-29 01:51:34,811 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 16.88/8.64 [2019-03-29 01:51:34,811 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. 16.88/8.64 [2019-03-29 01:51:34,812 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.88/8.64 [2019-03-29 01:51:34,812 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 16.88/8.64 [2019-03-29 01:51:34,812 INFO L518 LassoAnalysis]: Proved termination. 16.88/8.64 [2019-03-29 01:51:34,813 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.88/8.64 Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 16.88/8.64 Supporting invariants [] 16.88/8.64 [2019-03-29 01:51:34,813 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 16.88/8.64 [2019-03-29 01:51:34,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.88/8.64 [2019-03-29 01:51:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.88/8.64 [2019-03-29 01:51:34,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core 16.88/8.64 [2019-03-29 01:51:34,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.88/8.64 [2019-03-29 01:51:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.88/8.64 [2019-03-29 01:51:34,843 WARN L254 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core 16.88/8.64 [2019-03-29 01:51:34,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.88/8.64 [2019-03-29 01:51:34,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.88/8.64 [2019-03-29 01:51:34,862 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 16.88/8.64 [2019-03-29 01:51:34,862 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 16.88/8.64 [2019-03-29 01:51:34,863 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 9 states and 15 transitions. cyclomatic complexity: 9 Second operand 3 states. 16.88/8.64 [2019-03-29 01:51:34,897 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 9 states and 15 transitions. cyclomatic complexity: 9. Second operand 3 states. Result 12 states and 20 transitions. Complement of second has 5 states. 16.88/8.64 [2019-03-29 01:51:34,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 2 accepting loop states 16.88/8.64 [2019-03-29 01:51:34,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 16.88/8.64 [2019-03-29 01:51:34,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. 16.88/8.64 [2019-03-29 01:51:34,899 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 3 letters. Loop has 2 letters. 16.88/8.64 [2019-03-29 01:51:34,900 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.88/8.64 [2019-03-29 01:51:34,900 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 5 letters. Loop has 2 letters. 16.88/8.64 [2019-03-29 01:51:34,900 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.88/8.64 [2019-03-29 01:51:34,900 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 3 letters. Loop has 4 letters. 16.88/8.64 [2019-03-29 01:51:34,901 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.88/8.64 [2019-03-29 01:51:34,902 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 20 transitions. 16.88/8.64 [2019-03-29 01:51:34,903 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 16.88/8.64 [2019-03-29 01:51:34,903 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 20 transitions. 16.88/8.64 [2019-03-29 01:51:34,904 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 16.88/8.64 [2019-03-29 01:51:34,904 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 16.88/8.64 [2019-03-29 01:51:34,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 20 transitions. 16.88/8.64 [2019-03-29 01:51:34,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 16.88/8.64 [2019-03-29 01:51:34,904 INFO L706 BuchiCegarLoop]: Abstraction has 12 states and 20 transitions. 16.88/8.64 [2019-03-29 01:51:34,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 20 transitions. 16.88/8.64 [2019-03-29 01:51:34,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 7. 16.88/8.64 [2019-03-29 01:51:34,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 16.88/8.64 [2019-03-29 01:51:34,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 12 transitions. 16.88/8.64 [2019-03-29 01:51:34,906 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 12 transitions. 16.88/8.64 [2019-03-29 01:51:34,906 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 12 transitions. 16.88/8.64 [2019-03-29 01:51:34,907 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 16.88/8.64 [2019-03-29 01:51:34,907 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 12 transitions. 16.88/8.64 [2019-03-29 01:51:34,907 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 16.88/8.64 [2019-03-29 01:51:34,907 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.88/8.64 [2019-03-29 01:51:34,907 INFO L119 BuchiIsEmpty]: Starting construction of run 16.88/8.64 [2019-03-29 01:51:34,908 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] 16.88/8.64 [2019-03-29 01:51:34,908 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 16.88/8.64 [2019-03-29 01:51:34,908 INFO L794 eck$LassoCheckResult]: Stem: 120#ULTIMATE.startENTRY [45] ULTIMATE.startENTRY-->L20: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~r~0, ULTIMATE.start_main_~x~0] 121#L20 [57] L20-->L20-2: Formula: (>= v_ULTIMATE.start_main_~x~0_9 0) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 122#L20-2 [58] L20-2-->L22-1: Formula: (>= v_ULTIMATE.start_main_~y~0_10 0) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10} AuxVars[] AssignedVars[] 116#L22-1 [44] L22-1-->L25-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_12) (= v_ULTIMATE.start_main_~r~0_5 v_ULTIMATE.start_main_~x~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~r~0] 118#L25-2 16.88/8.64 [2019-03-29 01:51:34,908 INFO L796 eck$LassoCheckResult]: Loop: 118#L25-2 [50] L25-2-->L25-2: Formula: (and (<= v_ULTIMATE.start_main_~y~0_14 v_ULTIMATE.start_main_~r~0_8) (= v_ULTIMATE.start_main_~r~0_7 (+ (* (- 1) v_ULTIMATE.start_main_~y~0_14) v_ULTIMATE.start_main_~r~0_8))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_14, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_14, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~r~0] 118#L25-2 16.88/8.64 [2019-03-29 01:51:34,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.88/8.64 [2019-03-29 01:51:34,909 INFO L82 PathProgramCache]: Analyzing trace with hash 2320735, now seen corresponding path program 1 times 16.88/8.64 [2019-03-29 01:51:34,909 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.88/8.64 [2019-03-29 01:51:34,909 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.88/8.64 [2019-03-29 01:51:34,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.88/8.64 [2019-03-29 01:51:34,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.88/8.64 [2019-03-29 01:51:34,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.88/8.64 [2019-03-29 01:51:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.88/8.64 [2019-03-29 01:51:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.88/8.64 [2019-03-29 01:51:34,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.88/8.64 [2019-03-29 01:51:34,917 INFO L82 PathProgramCache]: Analyzing trace with hash 81, now seen corresponding path program 1 times 16.88/8.64 [2019-03-29 01:51:34,917 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.88/8.64 [2019-03-29 01:51:34,917 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.88/8.64 [2019-03-29 01:51:34,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.88/8.64 [2019-03-29 01:51:34,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.88/8.64 [2019-03-29 01:51:34,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.88/8.64 [2019-03-29 01:51:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.88/8.64 [2019-03-29 01:51:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.88/8.64 [2019-03-29 01:51:34,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.88/8.64 [2019-03-29 01:51:34,923 INFO L82 PathProgramCache]: Analyzing trace with hash 71942835, now seen corresponding path program 1 times 16.88/8.64 [2019-03-29 01:51:34,923 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.88/8.64 [2019-03-29 01:51:34,923 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.88/8.64 [2019-03-29 01:51:34,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.88/8.64 [2019-03-29 01:51:34,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.88/8.64 [2019-03-29 01:51:34,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.88/8.64 [2019-03-29 01:51:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.88/8.64 [2019-03-29 01:51:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.88/8.64 [2019-03-29 01:51:34,980 INFO L216 LassoAnalysis]: Preferences: 16.88/8.64 [2019-03-29 01:51:34,980 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.88/8.64 [2019-03-29 01:51:34,980 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.88/8.64 [2019-03-29 01:51:34,980 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.88/8.64 [2019-03-29 01:51:34,980 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.88/8.64 [2019-03-29 01:51:34,980 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.88/8.64 [2019-03-29 01:51:34,981 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.88/8.64 [2019-03-29 01:51:34,981 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.88/8.64 [2019-03-29 01:51:34,981 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso 16.88/8.64 [2019-03-29 01:51:34,981 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.88/8.64 [2019-03-29 01:51:34,981 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.88/8.64 [2019-03-29 01:51:34,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.88/8.64 [2019-03-29 01:51:34,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.88/8.64 [2019-03-29 01:51:34,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.88/8.64 [2019-03-29 01:51:34,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.88/8.64 [2019-03-29 01:51:34,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.88/8.64 [2019-03-29 01:51:34,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.88/8.64 [2019-03-29 01:51:35,071 INFO L300 LassoAnalysis]: Preprocessing complete. 16.88/8.64 [2019-03-29 01:51:35,072 INFO L412 LassoAnalysis]: Checking for nontermination... 16.88/8.64 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.88/8.64 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.88/8.64 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.88/8.64 [2019-03-29 01:51:35,078 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.88/8.64 [2019-03-29 01:51:35,078 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.88/8.64 [2019-03-29 01:51:35,082 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.88/8.64 [2019-03-29 01:51:35,082 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.88/8.64 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.88/8.64 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.88/8.64 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.88/8.64 [2019-03-29 01:51:35,113 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.88/8.64 [2019-03-29 01:51:35,113 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.88/8.64 [2019-03-29 01:51:35,117 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.88/8.64 [2019-03-29 01:51:35,117 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.88/8.64 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.88/8.64 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.88/8.64 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.88/8.64 [2019-03-29 01:51:35,146 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.88/8.64 [2019-03-29 01:51:35,146 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.88/8.64 [2019-03-29 01:51:35,150 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.88/8.64 [2019-03-29 01:51:35,150 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.88/8.64 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.88/8.64 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.88/8.64 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.88/8.64 [2019-03-29 01:51:35,179 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.88/8.64 [2019-03-29 01:51:35,180 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.88/8.64 [2019-03-29 01:51:35,207 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.88/8.64 [2019-03-29 01:51:35,207 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_5=0} Honda state: {v_rep~unnamed0~0~false_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.88/8.64 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.88/8.64 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.88/8.64 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.88/8.64 [2019-03-29 01:51:35,213 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.88/8.64 [2019-03-29 01:51:35,214 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.88/8.64 [2019-03-29 01:51:35,241 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.88/8.64 [2019-03-29 01:51:35,241 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.88/8.64 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.88/8.64 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.88/8.64 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.88/8.64 [2019-03-29 01:51:35,247 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.88/8.64 [2019-03-29 01:51:35,247 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.88/8.64 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.88/8.64 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.88/8.64 Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.88/8.64 [2019-03-29 01:51:35,283 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.88/8.64 [2019-03-29 01:51:35,283 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.88/8.64 [2019-03-29 01:51:35,490 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.88/8.64 [2019-03-29 01:51:35,492 INFO L216 LassoAnalysis]: Preferences: 16.88/8.64 [2019-03-29 01:51:35,492 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.88/8.64 [2019-03-29 01:51:35,492 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.88/8.64 [2019-03-29 01:51:35,492 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.88/8.64 [2019-03-29 01:51:35,492 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.88/8.64 [2019-03-29 01:51:35,493 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.88/8.64 [2019-03-29 01:51:35,493 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.88/8.64 [2019-03-29 01:51:35,493 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.88/8.64 [2019-03-29 01:51:35,493 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso 16.88/8.64 [2019-03-29 01:51:35,493 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.88/8.64 [2019-03-29 01:51:35,493 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.88/8.64 [2019-03-29 01:51:35,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.88/8.64 [2019-03-29 01:51:35,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.88/8.64 [2019-03-29 01:51:35,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.88/8.64 [2019-03-29 01:51:35,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.88/8.64 [2019-03-29 01:51:35,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.88/8.64 [2019-03-29 01:51:35,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.88/8.64 [2019-03-29 01:51:35,570 INFO L300 LassoAnalysis]: Preprocessing complete. 16.88/8.64 [2019-03-29 01:51:35,570 INFO L497 LassoAnalysis]: Using template 'affine'. 16.88/8.64 [2019-03-29 01:51:35,570 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.88/8.64 Termination analysis: LINEAR_WITH_GUESSES 16.88/8.64 Number of strict supporting invariants: 0 16.88/8.64 Number of non-strict supporting invariants: 1 16.88/8.64 Consider only non-deceasing supporting invariants: true 16.88/8.64 Simplify termination arguments: true 16.88/8.64 Simplify supporting invariants: trueOverapproximate stem: false 16.88/8.64 [2019-03-29 01:51:35,571 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.88/8.64 [2019-03-29 01:51:35,572 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.88/8.64 [2019-03-29 01:51:35,572 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.88/8.64 [2019-03-29 01:51:35,572 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.88/8.64 [2019-03-29 01:51:35,572 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.88/8.64 [2019-03-29 01:51:35,572 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.88/8.64 [2019-03-29 01:51:35,573 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.88/8.64 [2019-03-29 01:51:35,574 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.88/8.64 [2019-03-29 01:51:35,574 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.88/8.64 Termination analysis: LINEAR_WITH_GUESSES 16.88/8.64 Number of strict supporting invariants: 0 16.88/8.64 Number of non-strict supporting invariants: 1 16.88/8.64 Consider only non-deceasing supporting invariants: true 16.88/8.64 Simplify termination arguments: true 16.88/8.64 Simplify supporting invariants: trueOverapproximate stem: false 16.88/8.64 [2019-03-29 01:51:35,574 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.88/8.64 [2019-03-29 01:51:35,575 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.88/8.64 [2019-03-29 01:51:35,575 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.88/8.64 [2019-03-29 01:51:35,575 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.88/8.64 [2019-03-29 01:51:35,575 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.88/8.64 [2019-03-29 01:51:35,575 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.88/8.64 [2019-03-29 01:51:35,576 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.88/8.64 [2019-03-29 01:51:35,576 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.88/8.64 [2019-03-29 01:51:35,577 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.88/8.64 Termination analysis: LINEAR_WITH_GUESSES 16.88/8.64 Number of strict supporting invariants: 0 16.88/8.64 Number of non-strict supporting invariants: 1 16.88/8.64 Consider only non-deceasing supporting invariants: true 16.88/8.64 Simplify termination arguments: true 16.88/8.64 Simplify supporting invariants: trueOverapproximate stem: false 16.88/8.64 [2019-03-29 01:51:35,577 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.88/8.64 [2019-03-29 01:51:35,577 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.88/8.64 [2019-03-29 01:51:35,577 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.88/8.64 [2019-03-29 01:51:35,577 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.88/8.64 [2019-03-29 01:51:35,578 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.88/8.64 [2019-03-29 01:51:35,578 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.88/8.64 [2019-03-29 01:51:35,578 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.88/8.64 [2019-03-29 01:51:35,579 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.88/8.64 [2019-03-29 01:51:35,579 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.88/8.64 Termination analysis: LINEAR_WITH_GUESSES 16.88/8.64 Number of strict supporting invariants: 0 16.88/8.64 Number of non-strict supporting invariants: 1 16.88/8.64 Consider only non-deceasing supporting invariants: true 16.88/8.64 Simplify termination arguments: true 16.88/8.64 Simplify supporting invariants: trueOverapproximate stem: false 16.88/8.64 [2019-03-29 01:51:35,579 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.88/8.64 [2019-03-29 01:51:35,596 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.88/8.64 [2019-03-29 01:51:35,597 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.88/8.64 [2019-03-29 01:51:35,597 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.88/8.64 [2019-03-29 01:51:35,600 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.88/8.64 [2019-03-29 01:51:35,600 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.88/8.64 [2019-03-29 01:51:35,604 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.88/8.64 [2019-03-29 01:51:35,605 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.88/8.64 Termination analysis: LINEAR_WITH_GUESSES 16.88/8.64 Number of strict supporting invariants: 0 16.88/8.64 Number of non-strict supporting invariants: 1 16.88/8.64 Consider only non-deceasing supporting invariants: true 16.88/8.64 Simplify termination arguments: true 16.88/8.64 Simplify supporting invariants: trueOverapproximate stem: false 16.88/8.64 [2019-03-29 01:51:35,605 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.88/8.64 [2019-03-29 01:51:35,605 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.88/8.64 [2019-03-29 01:51:35,606 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.88/8.64 [2019-03-29 01:51:35,606 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.88/8.64 [2019-03-29 01:51:35,608 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.88/8.64 [2019-03-29 01:51:35,608 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.88/8.64 [2019-03-29 01:51:35,629 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.88/8.64 [2019-03-29 01:51:35,639 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 16.88/8.64 [2019-03-29 01:51:35,639 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. 16.88/8.64 [2019-03-29 01:51:35,640 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.88/8.64 [2019-03-29 01:51:35,642 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. 16.88/8.64 [2019-03-29 01:51:35,642 INFO L518 LassoAnalysis]: Proved termination. 16.88/8.64 [2019-03-29 01:51:35,642 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.88/8.64 Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~r~0) = -2*ULTIMATE.start_main_~y~0 + 2*ULTIMATE.start_main_~r~0 + 1 16.88/8.64 Supporting invariants [1*ULTIMATE.start_main_~y~0 - 1 >= 0] 16.88/8.64 [2019-03-29 01:51:35,647 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed 16.88/8.64 [2019-03-29 01:51:35,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.88/8.64 [2019-03-29 01:51:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.88/8.64 [2019-03-29 01:51:35,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 3 conjunts are in the unsatisfiable core 16.88/8.64 [2019-03-29 01:51:35,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.88/8.64 [2019-03-29 01:51:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.88/8.64 [2019-03-29 01:51:35,692 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core 16.88/8.64 [2019-03-29 01:51:35,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.88/8.64 [2019-03-29 01:51:35,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.88/8.64 [2019-03-29 01:51:35,703 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 16.88/8.64 [2019-03-29 01:51:35,703 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 16.88/8.64 [2019-03-29 01:51:35,703 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 12 transitions. cyclomatic complexity: 7 Second operand 2 states. 16.88/8.64 [2019-03-29 01:51:35,730 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 12 transitions. cyclomatic complexity: 7. Second operand 2 states. Result 8 states and 13 transitions. Complement of second has 2 states. 16.88/8.64 [2019-03-29 01:51:35,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 16.88/8.64 [2019-03-29 01:51:35,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 16.88/8.64 [2019-03-29 01:51:35,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 10 transitions. 16.88/8.64 [2019-03-29 01:51:35,731 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 10 transitions. Stem has 4 letters. Loop has 1 letters. 16.88/8.64 [2019-03-29 01:51:35,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.88/8.64 [2019-03-29 01:51:35,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 10 transitions. Stem has 5 letters. Loop has 1 letters. 16.88/8.64 [2019-03-29 01:51:35,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.88/8.64 [2019-03-29 01:51:35,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 10 transitions. Stem has 4 letters. Loop has 2 letters. 16.88/8.64 [2019-03-29 01:51:35,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.88/8.64 [2019-03-29 01:51:35,734 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 13 transitions. 16.88/8.64 [2019-03-29 01:51:35,734 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 16.88/8.64 [2019-03-29 01:51:35,734 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 0 states and 0 transitions. 16.88/8.64 [2019-03-29 01:51:35,735 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 16.88/8.64 [2019-03-29 01:51:35,735 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 16.88/8.64 [2019-03-29 01:51:35,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 16.88/8.64 [2019-03-29 01:51:35,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.88/8.64 [2019-03-29 01:51:35,735 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.88/8.64 [2019-03-29 01:51:35,735 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.88/8.64 [2019-03-29 01:51:35,735 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.88/8.64 [2019-03-29 01:51:35,735 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 16.88/8.64 [2019-03-29 01:51:35,736 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 16.88/8.64 [2019-03-29 01:51:35,736 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 16.88/8.64 [2019-03-29 01:51:35,736 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 16.88/8.64 [2019-03-29 01:51:35,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:51:35 BasicIcfg 16.88/8.64 [2019-03-29 01:51:35,742 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 16.88/8.64 [2019-03-29 01:51:35,743 INFO L168 Benchmark]: Toolchain (without parser) took 4119.43 ms. Allocated memory was 649.6 MB in the beginning and 749.7 MB in the end (delta: 100.1 MB). Free memory was 563.8 MB in the beginning and 686.4 MB in the end (delta: -122.6 MB). There was no memory consumed. Max. memory is 50.3 GB. 16.88/8.64 [2019-03-29 01:51:35,744 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. 16.88/8.64 [2019-03-29 01:51:35,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.53 ms. Allocated memory was 649.6 MB in the beginning and 676.9 MB in the end (delta: 27.3 MB). Free memory was 563.8 MB in the beginning and 644.3 MB in the end (delta: -80.5 MB). Peak memory consumption was 30.1 MB. Max. memory is 50.3 GB. 16.88/8.64 [2019-03-29 01:51:35,745 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.14 ms. Allocated memory is still 676.9 MB. Free memory was 644.3 MB in the beginning and 643.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 16.88/8.64 [2019-03-29 01:51:35,746 INFO L168 Benchmark]: Boogie Preprocessor took 20.03 ms. Allocated memory is still 676.9 MB. Free memory was 643.0 MB in the beginning and 639.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 16.88/8.64 [2019-03-29 01:51:35,747 INFO L168 Benchmark]: RCFGBuilder took 203.81 ms. Allocated memory is still 676.9 MB. Free memory was 639.9 MB in the beginning and 626.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 16.88/8.64 [2019-03-29 01:51:35,747 INFO L168 Benchmark]: BlockEncodingV2 took 72.60 ms. Allocated memory is still 676.9 MB. Free memory was 625.6 MB in the beginning and 621.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 50.3 GB. 16.88/8.64 [2019-03-29 01:51:35,748 INFO L168 Benchmark]: TraceAbstraction took 161.81 ms. Allocated memory is still 676.9 MB. Free memory was 620.2 MB in the beginning and 612.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 16.88/8.64 [2019-03-29 01:51:35,748 INFO L168 Benchmark]: BuchiAutomizer took 3340.89 ms. Allocated memory was 676.9 MB in the beginning and 749.7 MB in the end (delta: 72.9 MB). Free memory was 612.1 MB in the beginning and 686.4 MB in the end (delta: -74.3 MB). There was no memory consumed. Max. memory is 50.3 GB. 16.88/8.64 [2019-03-29 01:51:35,753 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 16.88/8.64 --- Results --- 16.88/8.64 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 16.88/8.64 - StatisticsResult: Initial Icfg 16.88/8.64 10 locations, 15 edges 16.88/8.64 - StatisticsResult: Encoded RCFG 16.88/8.64 5 locations, 8 edges 16.88/8.64 * Results from de.uni_freiburg.informatik.ultimate.core: 16.88/8.64 - StatisticsResult: Toolchain Benchmarks 16.88/8.64 Benchmark results are: 16.88/8.64 * 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. 16.88/8.64 * CACSL2BoogieTranslator took 279.53 ms. Allocated memory was 649.6 MB in the beginning and 676.9 MB in the end (delta: 27.3 MB). Free memory was 563.8 MB in the beginning and 644.3 MB in the end (delta: -80.5 MB). Peak memory consumption was 30.1 MB. Max. memory is 50.3 GB. 16.88/8.64 * Boogie Procedure Inliner took 35.14 ms. Allocated memory is still 676.9 MB. Free memory was 644.3 MB in the beginning and 643.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 16.88/8.64 * Boogie Preprocessor took 20.03 ms. Allocated memory is still 676.9 MB. Free memory was 643.0 MB in the beginning and 639.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 16.88/8.64 * RCFGBuilder took 203.81 ms. Allocated memory is still 676.9 MB. Free memory was 639.9 MB in the beginning and 626.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 16.88/8.64 * BlockEncodingV2 took 72.60 ms. Allocated memory is still 676.9 MB. Free memory was 625.6 MB in the beginning and 621.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 50.3 GB. 16.88/8.64 * TraceAbstraction took 161.81 ms. Allocated memory is still 676.9 MB. Free memory was 620.2 MB in the beginning and 612.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 16.88/8.64 * BuchiAutomizer took 3340.89 ms. Allocated memory was 676.9 MB in the beginning and 749.7 MB in the end (delta: 72.9 MB). Free memory was 612.1 MB in the beginning and 686.4 MB in the end (delta: -74.3 MB). There was no memory consumed. Max. memory is 50.3 GB. 16.88/8.64 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 16.88/8.64 - AllSpecificationsHoldResult: All specifications hold 16.88/8.64 We were not able to verify any specifiation because the program does not contain any specification. 16.88/8.64 - InvariantResult [Line: 25]: Loop Invariant 16.88/8.64 Derived loop invariant: 1 16.88/8.64 - StatisticsResult: Ultimate Automizer benchmark data 16.88/8.64 CFG has 1 procedures, 5 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 16.88/8.64 - StatisticsResult: Constructed decomposition of program 16.88/8.64 Your program was decomposed into 3 terminating modules (0 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function y and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 4 locations. One nondeterministic module has affine ranking function -2 * y + 2 * r + 1 and consists of 2 locations. 16.88/8.64 - StatisticsResult: Timing statistics 16.88/8.64 BüchiAutomizer plugin needed 3.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 9 states and ocurred in iteration 1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 18 SDtfs, 32 SDslu, 0 SDs, 0 SdLazy, 24 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax166 hnf97 lsp59 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq164 hnf90 smp100 dnf100 smp100 tf105 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 9 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.7s 16.88/8.64 - TerminationAnalysisResult: Termination proven 16.88/8.64 Buchi Automizer proved that your program is terminating 16.88/8.64 RESULT: Ultimate proved your program to be correct! 16.88/8.64 !SESSION 2019-03-29 01:51:28.362 ----------------------------------------------- 16.88/8.64 eclipse.buildId=unknown 16.88/8.64 java.version=1.8.0_181 16.88/8.64 java.vendor=Oracle Corporation 16.88/8.64 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 16.88/8.64 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 16.88/8.64 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 16.88/8.64 16.88/8.64 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 01:51:35.985 16.88/8.64 !MESSAGE The workspace will exit with unsaved changes in this session. 16.88/8.64 Received shutdown request... 16.88/8.64 Ultimate: 16.88/8.64 GTK+ Version Check 16.88/8.64 EOF