26.01/18.29 YES 26.01/18.29 26.01/18.29 Ultimate: Cannot open display: 26.01/18.29 This is Ultimate 0.1.24-8dc7c08-m 26.01/18.29 [2019-03-29 02:14:15,714 INFO L170 SettingsManager]: Resetting all preferences to default values... 26.01/18.29 [2019-03-29 02:14:15,716 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 26.01/18.29 [2019-03-29 02:14:15,727 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 26.01/18.29 [2019-03-29 02:14:15,728 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 26.01/18.29 [2019-03-29 02:14:15,729 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 26.01/18.29 [2019-03-29 02:14:15,730 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 26.01/18.29 [2019-03-29 02:14:15,731 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 26.01/18.29 [2019-03-29 02:14:15,733 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 26.01/18.29 [2019-03-29 02:14:15,734 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 26.01/18.29 [2019-03-29 02:14:15,735 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 26.01/18.29 [2019-03-29 02:14:15,735 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 26.01/18.29 [2019-03-29 02:14:15,736 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 26.01/18.29 [2019-03-29 02:14:15,737 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 26.01/18.29 [2019-03-29 02:14:15,738 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 26.01/18.29 [2019-03-29 02:14:15,738 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 26.01/18.29 [2019-03-29 02:14:15,739 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 26.01/18.29 [2019-03-29 02:14:15,741 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 26.01/18.29 [2019-03-29 02:14:15,743 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 26.01/18.29 [2019-03-29 02:14:15,745 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 26.01/18.29 [2019-03-29 02:14:15,746 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 26.01/18.29 [2019-03-29 02:14:15,747 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 26.01/18.29 [2019-03-29 02:14:15,749 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 26.01/18.29 [2019-03-29 02:14:15,749 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 26.01/18.29 [2019-03-29 02:14:15,749 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 26.01/18.29 [2019-03-29 02:14:15,750 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 26.01/18.29 [2019-03-29 02:14:15,751 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 26.01/18.29 [2019-03-29 02:14:15,751 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 26.01/18.29 [2019-03-29 02:14:15,752 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 26.01/18.29 [2019-03-29 02:14:15,752 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 26.01/18.29 [2019-03-29 02:14:15,753 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 26.01/18.29 [2019-03-29 02:14:15,754 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 26.01/18.29 [2019-03-29 02:14:15,755 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 26.01/18.29 [2019-03-29 02:14:15,755 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 26.01/18.29 [2019-03-29 02:14:15,756 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 26.01/18.29 [2019-03-29 02:14:15,756 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 26.01/18.29 [2019-03-29 02:14:15,756 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 26.01/18.29 [2019-03-29 02:14:15,757 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 26.01/18.29 [2019-03-29 02:14:15,758 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 26.01/18.29 [2019-03-29 02:14:15,758 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 26.01/18.29 [2019-03-29 02:14:15,772 INFO L110 SettingsManager]: Loading preferences was successful 26.01/18.29 [2019-03-29 02:14:15,772 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 26.01/18.29 [2019-03-29 02:14:15,773 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 26.01/18.29 [2019-03-29 02:14:15,774 INFO L133 SettingsManager]: * Rewrite not-equals=true 26.01/18.29 [2019-03-29 02:14:15,774 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 26.01/18.29 [2019-03-29 02:14:15,774 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 26.01/18.29 [2019-03-29 02:14:15,774 INFO L133 SettingsManager]: * Use SBE=true 26.01/18.29 [2019-03-29 02:14:15,774 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 26.01/18.29 [2019-03-29 02:14:15,775 INFO L133 SettingsManager]: * Use old map elimination=false 26.01/18.29 [2019-03-29 02:14:15,775 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 26.01/18.29 [2019-03-29 02:14:15,775 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 26.01/18.29 [2019-03-29 02:14:15,775 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 26.01/18.29 [2019-03-29 02:14:15,775 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 26.01/18.29 [2019-03-29 02:14:15,776 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 26.01/18.29 [2019-03-29 02:14:15,776 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 26.01/18.29 [2019-03-29 02:14:15,776 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 26.01/18.29 [2019-03-29 02:14:15,776 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 26.01/18.29 [2019-03-29 02:14:15,776 INFO L133 SettingsManager]: * Check division by zero=IGNORE 26.01/18.29 [2019-03-29 02:14:15,777 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 26.01/18.29 [2019-03-29 02:14:15,777 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 26.01/18.29 [2019-03-29 02:14:15,777 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 26.01/18.29 [2019-03-29 02:14:15,777 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 26.01/18.29 [2019-03-29 02:14:15,777 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 26.01/18.29 [2019-03-29 02:14:15,777 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 26.01/18.29 [2019-03-29 02:14:15,778 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 26.01/18.29 [2019-03-29 02:14:15,778 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 26.01/18.29 [2019-03-29 02:14:15,778 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 26.01/18.29 [2019-03-29 02:14:15,778 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 26.01/18.29 [2019-03-29 02:14:15,778 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 26.01/18.29 [2019-03-29 02:14:15,805 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 26.01/18.29 [2019-03-29 02:14:15,818 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 26.01/18.29 [2019-03-29 02:14:15,821 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 26.01/18.29 [2019-03-29 02:14:15,823 INFO L271 PluginConnector]: Initializing CDTParser... 26.01/18.29 [2019-03-29 02:14:15,823 INFO L276 PluginConnector]: CDTParser initialized 26.01/18.29 [2019-03-29 02:14:15,824 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 26.01/18.29 [2019-03-29 02:14:15,887 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/d394b5347f11445fb5f8ae28c9ab2207/FLAGaaa7fa944 26.01/18.29 [2019-03-29 02:14:16,244 INFO L307 CDTParser]: Found 1 translation units. 26.01/18.29 [2019-03-29 02:14:16,244 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 26.01/18.29 [2019-03-29 02:14:16,251 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/d394b5347f11445fb5f8ae28c9ab2207/FLAGaaa7fa944 26.01/18.29 [2019-03-29 02:14:16,648 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/d394b5347f11445fb5f8ae28c9ab2207 26.01/18.29 [2019-03-29 02:14:16,660 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 26.01/18.29 [2019-03-29 02:14:16,661 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 26.01/18.29 [2019-03-29 02:14:16,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 26.01/18.29 [2019-03-29 02:14:16,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 26.01/18.29 [2019-03-29 02:14:16,666 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 26.01/18.29 [2019-03-29 02:14:16,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:14:16" (1/1) ... 26.01/18.29 [2019-03-29 02:14:16,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4821685f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:16, skipping insertion in model container 26.01/18.29 [2019-03-29 02:14:16,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:14:16" (1/1) ... 26.01/18.29 [2019-03-29 02:14:16,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 26.01/18.29 [2019-03-29 02:14:16,695 INFO L176 MainTranslator]: Built tables and reachable declarations 26.01/18.29 [2019-03-29 02:14:16,850 INFO L206 PostProcessor]: Analyzing one entry point: main 26.01/18.29 [2019-03-29 02:14:16,855 INFO L191 MainTranslator]: Completed pre-run 26.01/18.29 [2019-03-29 02:14:16,871 INFO L206 PostProcessor]: Analyzing one entry point: main 26.01/18.29 [2019-03-29 02:14:16,886 INFO L195 MainTranslator]: Completed translation 26.01/18.29 [2019-03-29 02:14:16,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:16 WrapperNode 26.01/18.29 [2019-03-29 02:14:16,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 26.01/18.29 [2019-03-29 02:14:16,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 26.01/18.29 [2019-03-29 02:14:16,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 26.01/18.29 [2019-03-29 02:14:16,888 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 26.01/18.29 [2019-03-29 02:14:16,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:16" (1/1) ... 26.01/18.29 [2019-03-29 02:14:16,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:16" (1/1) ... 26.01/18.29 [2019-03-29 02:14:16,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 26.01/18.29 [2019-03-29 02:14:16,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 26.01/18.29 [2019-03-29 02:14:16,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 26.01/18.29 [2019-03-29 02:14:16,987 INFO L276 PluginConnector]: Boogie Preprocessor initialized 26.01/18.29 [2019-03-29 02:14:16,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:16" (1/1) ... 26.01/18.29 [2019-03-29 02:14:16,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:16" (1/1) ... 26.01/18.29 [2019-03-29 02:14:16,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:16" (1/1) ... 26.01/18.29 [2019-03-29 02:14:16,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:16" (1/1) ... 26.01/18.29 [2019-03-29 02:14:17,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:16" (1/1) ... 26.01/18.29 [2019-03-29 02:14:17,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:16" (1/1) ... 26.01/18.29 [2019-03-29 02:14:17,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:16" (1/1) ... 26.01/18.29 [2019-03-29 02:14:17,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 26.01/18.29 [2019-03-29 02:14:17,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 26.01/18.29 [2019-03-29 02:14:17,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... 26.01/18.29 [2019-03-29 02:14:17,008 INFO L276 PluginConnector]: RCFGBuilder initialized 26.01/18.29 [2019-03-29 02:14:17,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:16" (1/1) ... 26.01/18.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 26.01/18.29 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 26.01/18.29 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 26.01/18.29 [2019-03-29 02:14:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 26.01/18.29 [2019-03-29 02:14:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 26.01/18.29 [2019-03-29 02:14:17,207 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 26.01/18.29 [2019-03-29 02:14:17,207 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 26.01/18.29 [2019-03-29 02:14:17,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:14:17 BoogieIcfgContainer 26.01/18.29 [2019-03-29 02:14:17,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 26.01/18.29 [2019-03-29 02:14:17,209 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 26.01/18.29 [2019-03-29 02:14:17,209 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 26.01/18.29 [2019-03-29 02:14:17,211 INFO L276 PluginConnector]: BlockEncodingV2 initialized 26.01/18.29 [2019-03-29 02:14:17,212 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:14:17" (1/1) ... 26.01/18.29 [2019-03-29 02:14:17,228 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 26.01/18.29 [2019-03-29 02:14:17,230 INFO L258 BlockEncoder]: Using Remove infeasible edges 26.01/18.29 [2019-03-29 02:14:17,230 INFO L263 BlockEncoder]: Using Maximize final states 26.01/18.29 [2019-03-29 02:14:17,231 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 26.01/18.29 [2019-03-29 02:14:17,231 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 26.01/18.29 [2019-03-29 02:14:17,233 INFO L296 BlockEncoder]: Using Remove sink states 26.01/18.29 [2019-03-29 02:14:17,234 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 26.01/18.29 [2019-03-29 02:14:17,234 INFO L179 BlockEncoder]: Using Rewrite not-equals 26.01/18.29 [2019-03-29 02:14:17,250 INFO L185 BlockEncoder]: Using Use SBE 26.01/18.29 [2019-03-29 02:14:17,265 INFO L200 BlockEncoder]: SBE split 1 edges 26.01/18.29 [2019-03-29 02:14:17,270 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 26.01/18.29 [2019-03-29 02:14:17,272 INFO L71 MaximizeFinalStates]: 0 new accepting states 26.01/18.29 [2019-03-29 02:14:17,284 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 26.01/18.29 [2019-03-29 02:14:17,286 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 26.01/18.29 [2019-03-29 02:14:17,288 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 26.01/18.29 [2019-03-29 02:14:17,288 INFO L71 MaximizeFinalStates]: 0 new accepting states 26.01/18.29 [2019-03-29 02:14:17,289 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 26.01/18.29 [2019-03-29 02:14:17,289 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 26.01/18.29 [2019-03-29 02:14:17,289 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 26.01/18.29 [2019-03-29 02:14:17,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:14:17 BasicIcfg 26.01/18.29 [2019-03-29 02:14:17,290 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 26.01/18.29 [2019-03-29 02:14:17,291 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 26.01/18.29 [2019-03-29 02:14:17,291 INFO L271 PluginConnector]: Initializing TraceAbstraction... 26.01/18.29 [2019-03-29 02:14:17,295 INFO L276 PluginConnector]: TraceAbstraction initialized 26.01/18.29 [2019-03-29 02:14:17,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 02:14:16" (1/4) ... 26.01/18.29 [2019-03-29 02:14:17,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c7da901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:14:17, skipping insertion in model container 26.01/18.29 [2019-03-29 02:14:17,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:16" (2/4) ... 26.01/18.29 [2019-03-29 02:14:17,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c7da901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:14:17, skipping insertion in model container 26.01/18.29 [2019-03-29 02:14:17,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:14:17" (3/4) ... 26.01/18.29 [2019-03-29 02:14:17,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c7da901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:14:17, skipping insertion in model container 26.01/18.29 [2019-03-29 02:14:17,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:14:17" (4/4) ... 26.01/18.29 [2019-03-29 02:14:17,300 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 26.01/18.29 [2019-03-29 02:14:17,311 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 26.01/18.29 [2019-03-29 02:14:17,319 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 26.01/18.29 [2019-03-29 02:14:17,339 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 26.01/18.29 [2019-03-29 02:14:17,367 INFO L133 ementStrategyFactory]: Using default assertion order modulation 26.01/18.29 [2019-03-29 02:14:17,368 INFO L382 AbstractCegarLoop]: Interprodecural is true 26.01/18.29 [2019-03-29 02:14:17,368 INFO L383 AbstractCegarLoop]: Hoare is true 26.01/18.29 [2019-03-29 02:14:17,368 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 26.01/18.29 [2019-03-29 02:14:17,369 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 26.01/18.29 [2019-03-29 02:14:17,369 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 26.01/18.29 [2019-03-29 02:14:17,369 INFO L387 AbstractCegarLoop]: Difference is false 26.01/18.29 [2019-03-29 02:14:17,369 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 26.01/18.29 [2019-03-29 02:14:17,369 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 26.01/18.29 [2019-03-29 02:14:17,383 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 26.01/18.29 [2019-03-29 02:14:17,389 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 26.01/18.29 [2019-03-29 02:14:17,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 26.01/18.29 [2019-03-29 02:14:17,441 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 26.01/18.29 [2019-03-29 02:14:17,442 INFO L451 ceAbstractionStarter]: At program point L27-2(lines 27 30) the Hoare annotation is: true 26.01/18.29 [2019-03-29 02:14:17,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:14:17 BasicIcfg 26.01/18.29 [2019-03-29 02:14:17,450 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 26.01/18.29 [2019-03-29 02:14:17,451 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 26.01/18.29 [2019-03-29 02:14:17,451 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 26.01/18.29 [2019-03-29 02:14:17,454 INFO L276 PluginConnector]: BuchiAutomizer initialized 26.01/18.29 [2019-03-29 02:14:17,455 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 26.01/18.29 [2019-03-29 02:14:17,455 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 02:14:16" (1/5) ... 26.01/18.29 [2019-03-29 02:14:17,456 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ef34630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:14:17, skipping insertion in model container 26.01/18.29 [2019-03-29 02:14:17,456 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 26.01/18.29 [2019-03-29 02:14:17,456 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:16" (2/5) ... 26.01/18.29 [2019-03-29 02:14:17,456 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ef34630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:14:17, skipping insertion in model container 26.01/18.29 [2019-03-29 02:14:17,457 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 26.01/18.29 [2019-03-29 02:14:17,457 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:14:17" (3/5) ... 26.01/18.29 [2019-03-29 02:14:17,457 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ef34630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:14:17, skipping insertion in model container 26.01/18.29 [2019-03-29 02:14:17,457 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 26.01/18.29 [2019-03-29 02:14:17,457 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:14:17" (4/5) ... 26.01/18.29 [2019-03-29 02:14:17,458 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ef34630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:14:17, skipping insertion in model container 26.01/18.29 [2019-03-29 02:14:17,458 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 26.01/18.29 [2019-03-29 02:14:17,458 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:14:17" (5/5) ... 26.01/18.29 [2019-03-29 02:14:17,459 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 26.01/18.29 [2019-03-29 02:14:17,487 INFO L133 ementStrategyFactory]: Using default assertion order modulation 26.01/18.29 [2019-03-29 02:14:17,488 INFO L374 BuchiCegarLoop]: Interprodecural is true 26.01/18.29 [2019-03-29 02:14:17,488 INFO L375 BuchiCegarLoop]: Hoare is true 26.01/18.29 [2019-03-29 02:14:17,488 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 26.01/18.29 [2019-03-29 02:14:17,488 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 26.01/18.29 [2019-03-29 02:14:17,488 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 26.01/18.29 [2019-03-29 02:14:17,489 INFO L379 BuchiCegarLoop]: Difference is false 26.01/18.29 [2019-03-29 02:14:17,489 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 26.01/18.29 [2019-03-29 02:14:17,489 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 26.01/18.29 [2019-03-29 02:14:17,492 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 26.01/18.29 [2019-03-29 02:14:17,510 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 26.01/18.29 [2019-03-29 02:14:17,511 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 26.01/18.29 [2019-03-29 02:14:17,511 INFO L119 BuchiIsEmpty]: Starting construction of run 26.01/18.29 [2019-03-29 02:14:17,516 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 26.01/18.29 [2019-03-29 02:14:17,516 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 26.01/18.29 [2019-03-29 02:14:17,517 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 26.01/18.29 [2019-03-29 02:14:17,517 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 26.01/18.29 [2019-03-29 02:14:17,517 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 26.01/18.29 [2019-03-29 02:14:17,517 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 26.01/18.29 [2019-03-29 02:14:17,518 INFO L119 BuchiIsEmpty]: Starting construction of run 26.01/18.29 [2019-03-29 02:14:17,518 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 26.01/18.29 [2019-03-29 02:14:17,518 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 26.01/18.29 [2019-03-29 02:14:17,523 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [19] ULTIMATE.startENTRY-->L27-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 4#L27-2true 26.01/18.29 [2019-03-29 02:14:17,524 INFO L796 eck$LassoCheckResult]: Loop: 4#L27-2true [24] L27-2-->L27-2: Formula: (and (<= v_ULTIMATE.start_main_~x~0_8 v_ULTIMATE.start_main_~z~0_7) (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~y~0_8 (* 2 v_ULTIMATE.start_main_~x~0_8))) (<= 0 (+ v_ULTIMATE.start_main_~y~0_8 v_ULTIMATE.start_main_~x~0_8)) (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L27-2true 26.01/18.29 [2019-03-29 02:14:17,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 26.01/18.29 [2019-03-29 02:14:17,530 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times 26.01/18.29 [2019-03-29 02:14:17,532 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 26.01/18.29 [2019-03-29 02:14:17,533 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 26.01/18.29 [2019-03-29 02:14:17,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 26.01/18.29 [2019-03-29 02:14:17,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 26.01/18.29 [2019-03-29 02:14:17,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 26.01/18.29 [2019-03-29 02:14:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 26.01/18.29 [2019-03-29 02:14:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 26.01/18.29 [2019-03-29 02:14:17,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 26.01/18.29 [2019-03-29 02:14:17,603 INFO L82 PathProgramCache]: Analyzing trace with hash 55, now seen corresponding path program 1 times 26.01/18.29 [2019-03-29 02:14:17,603 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 26.01/18.29 [2019-03-29 02:14:17,604 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 26.01/18.29 [2019-03-29 02:14:17,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 26.01/18.29 [2019-03-29 02:14:17,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 26.01/18.29 [2019-03-29 02:14:17,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 26.01/18.29 [2019-03-29 02:14:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 26.01/18.29 [2019-03-29 02:14:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 26.01/18.29 [2019-03-29 02:14:17,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 26.01/18.29 [2019-03-29 02:14:17,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 1 times 26.01/18.29 [2019-03-29 02:14:17,619 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 26.01/18.29 [2019-03-29 02:14:17,619 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 26.01/18.29 [2019-03-29 02:14:17,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 26.01/18.29 [2019-03-29 02:14:17,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 26.01/18.29 [2019-03-29 02:14:17,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 26.01/18.29 [2019-03-29 02:14:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 26.01/18.29 [2019-03-29 02:14:17,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 26.01/18.29 [2019-03-29 02:14:17,687 INFO L216 LassoAnalysis]: Preferences: 26.01/18.29 [2019-03-29 02:14:17,689 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 26.01/18.29 [2019-03-29 02:14:17,689 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 26.01/18.29 [2019-03-29 02:14:17,689 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 26.01/18.29 [2019-03-29 02:14:17,689 INFO L127 ssoRankerPreferences]: Use exernal solver: true 26.01/18.29 [2019-03-29 02:14:17,690 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 26.01/18.29 [2019-03-29 02:14:17,690 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 26.01/18.29 [2019-03-29 02:14:17,690 INFO L130 ssoRankerPreferences]: Path of dumped script: 26.01/18.29 [2019-03-29 02:14:17,690 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 26.01/18.29 [2019-03-29 02:14:17,690 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 26.01/18.29 [2019-03-29 02:14:17,691 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 26.01/18.29 [2019-03-29 02:14:17,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 26.01/18.29 [2019-03-29 02:14:17,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 26.01/18.29 [2019-03-29 02:14:17,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 26.01/18.29 [2019-03-29 02:14:17,852 INFO L300 LassoAnalysis]: Preprocessing complete. 26.01/18.29 [2019-03-29 02:14:17,853 INFO L412 LassoAnalysis]: Checking for nontermination... 26.01/18.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 26.01/18.29 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 26.01/18.29 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 26.01/18.29 [2019-03-29 02:14:17,858 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 26.01/18.29 [2019-03-29 02:14:17,859 INFO L163 nArgumentSynthesizer]: Using integer mode. 26.01/18.29 [2019-03-29 02:14:17,892 INFO L445 LassoAnalysis]: Proved nontermination for one component. 26.01/18.29 [2019-03-29 02:14:17,892 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: [] 26.01/18.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 26.01/18.29 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 26.01/18.29 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 26.01/18.29 [2019-03-29 02:14:17,898 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 26.01/18.29 [2019-03-29 02:14:17,899 INFO L163 nArgumentSynthesizer]: Using integer mode. 26.01/18.29 [2019-03-29 02:14:17,926 INFO L445 LassoAnalysis]: Proved nontermination for one component. 26.01/18.29 [2019-03-29 02:14:17,927 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: [] 26.01/18.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 26.01/18.29 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 26.01/18.29 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 26.01/18.29 [2019-03-29 02:14:17,931 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 26.01/18.29 [2019-03-29 02:14:17,932 INFO L163 nArgumentSynthesizer]: Using integer mode. 26.01/18.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 26.01/18.29 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 26.01/18.29 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 26.01/18.29 [2019-03-29 02:14:17,965 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 26.01/18.29 [2019-03-29 02:14:17,965 INFO L163 nArgumentSynthesizer]: Using integer mode. 26.01/18.29 [2019-03-29 02:14:29,984 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. 26.01/18.29 [2019-03-29 02:14:29,987 INFO L216 LassoAnalysis]: Preferences: 26.01/18.29 [2019-03-29 02:14:29,987 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 26.01/18.29 [2019-03-29 02:14:29,987 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 26.01/18.29 [2019-03-29 02:14:29,987 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 26.01/18.29 [2019-03-29 02:14:29,987 INFO L127 ssoRankerPreferences]: Use exernal solver: false 26.01/18.29 [2019-03-29 02:14:29,987 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 26.01/18.29 [2019-03-29 02:14:29,988 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 26.01/18.29 [2019-03-29 02:14:29,988 INFO L130 ssoRankerPreferences]: Path of dumped script: 26.01/18.29 [2019-03-29 02:14:29,988 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 26.01/18.29 [2019-03-29 02:14:29,988 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 26.01/18.29 [2019-03-29 02:14:29,988 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 26.01/18.29 [2019-03-29 02:14:29,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 26.01/18.29 [2019-03-29 02:14:29,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 26.01/18.29 [2019-03-29 02:14:29,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 26.01/18.29 [2019-03-29 02:14:30,073 INFO L300 LassoAnalysis]: Preprocessing complete. 26.01/18.29 [2019-03-29 02:14:30,079 INFO L497 LassoAnalysis]: Using template 'affine'. 26.01/18.29 [2019-03-29 02:14:30,081 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 26.01/18.29 Termination analysis: LINEAR_WITH_GUESSES 26.01/18.29 Number of strict supporting invariants: 0 26.01/18.29 Number of non-strict supporting invariants: 1 26.01/18.29 Consider only non-deceasing supporting invariants: true 26.01/18.29 Simplify termination arguments: true 26.01/18.29 Simplify supporting invariants: trueOverapproximate stem: false 26.01/18.29 [2019-03-29 02:14:30,082 INFO L339 nArgumentSynthesizer]: Template has degree 0. 26.01/18.29 [2019-03-29 02:14:30,082 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 26.01/18.29 [2019-03-29 02:14:30,083 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 26.01/18.29 [2019-03-29 02:14:30,083 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 26.01/18.29 [2019-03-29 02:14:30,087 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 26.01/18.29 [2019-03-29 02:14:30,087 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 26.01/18.29 [2019-03-29 02:14:30,096 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 26.01/18.29 [2019-03-29 02:14:30,097 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 26.01/18.29 Termination analysis: LINEAR_WITH_GUESSES 26.01/18.29 Number of strict supporting invariants: 0 26.01/18.29 Number of non-strict supporting invariants: 1 26.01/18.29 Consider only non-deceasing supporting invariants: true 26.01/18.29 Simplify termination arguments: true 26.01/18.29 Simplify supporting invariants: trueOverapproximate stem: false 26.01/18.29 [2019-03-29 02:14:30,097 INFO L339 nArgumentSynthesizer]: Template has degree 0. 26.01/18.29 [2019-03-29 02:14:30,098 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 26.01/18.29 [2019-03-29 02:14:30,098 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 26.01/18.29 [2019-03-29 02:14:30,098 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 26.01/18.29 [2019-03-29 02:14:30,101 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 26.01/18.29 [2019-03-29 02:14:30,101 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 26.01/18.29 [2019-03-29 02:14:30,108 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 26.01/18.29 [2019-03-29 02:14:30,109 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 26.01/18.29 Termination analysis: LINEAR_WITH_GUESSES 26.01/18.29 Number of strict supporting invariants: 0 26.01/18.29 Number of non-strict supporting invariants: 1 26.01/18.29 Consider only non-deceasing supporting invariants: true 26.01/18.29 Simplify termination arguments: true 26.01/18.29 Simplify supporting invariants: trueOverapproximate stem: false 26.01/18.29 [2019-03-29 02:14:30,110 INFO L339 nArgumentSynthesizer]: Template has degree 0. 26.01/18.29 [2019-03-29 02:14:30,110 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 26.01/18.29 [2019-03-29 02:14:30,110 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 26.01/18.29 [2019-03-29 02:14:30,111 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 26.01/18.29 [2019-03-29 02:14:30,111 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 26.01/18.29 [2019-03-29 02:14:30,112 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 26.01/18.29 [2019-03-29 02:14:30,112 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 26.01/18.29 [2019-03-29 02:14:30,121 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 26.01/18.29 [2019-03-29 02:14:30,121 INFO L497 LassoAnalysis]: Using template '2-nested'. 26.01/18.29 [2019-03-29 02:14:30,122 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 26.01/18.29 Termination analysis: LINEAR_WITH_GUESSES 26.01/18.29 Number of strict supporting invariants: 0 26.01/18.29 Number of non-strict supporting invariants: 1 26.01/18.29 Consider only non-deceasing supporting invariants: true 26.01/18.29 Simplify termination arguments: true 26.01/18.29 Simplify supporting invariants: trueOverapproximate stem: false 26.01/18.29 [2019-03-29 02:14:30,122 INFO L339 nArgumentSynthesizer]: Template has degree 0. 26.01/18.29 [2019-03-29 02:14:30,123 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 26.01/18.29 [2019-03-29 02:14:30,123 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 26.01/18.29 [2019-03-29 02:14:30,123 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 26.01/18.29 [2019-03-29 02:14:30,126 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. 26.01/18.29 [2019-03-29 02:14:30,126 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. 26.01/18.29 [2019-03-29 02:14:30,133 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 26.01/18.29 [2019-03-29 02:14:30,133 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 26.01/18.29 Termination analysis: LINEAR_WITH_GUESSES 26.01/18.29 Number of strict supporting invariants: 0 26.01/18.29 Number of non-strict supporting invariants: 1 26.01/18.29 Consider only non-deceasing supporting invariants: true 26.01/18.29 Simplify termination arguments: true 26.01/18.29 Simplify supporting invariants: trueOverapproximate stem: false 26.01/18.29 [2019-03-29 02:14:30,134 INFO L339 nArgumentSynthesizer]: Template has degree 0. 26.01/18.29 [2019-03-29 02:14:30,134 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 26.01/18.29 [2019-03-29 02:14:30,134 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 26.01/18.29 [2019-03-29 02:14:30,134 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 26.01/18.29 [2019-03-29 02:14:30,138 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. 26.01/18.29 [2019-03-29 02:14:30,138 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. 26.01/18.29 [2019-03-29 02:14:30,147 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 26.01/18.29 [2019-03-29 02:14:30,148 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 26.01/18.29 Termination analysis: LINEAR_WITH_GUESSES 26.01/18.29 Number of strict supporting invariants: 0 26.01/18.29 Number of non-strict supporting invariants: 1 26.01/18.29 Consider only non-deceasing supporting invariants: true 26.01/18.29 Simplify termination arguments: true 26.01/18.29 Simplify supporting invariants: trueOverapproximate stem: false 26.01/18.29 [2019-03-29 02:14:30,149 INFO L339 nArgumentSynthesizer]: Template has degree 0. 26.01/18.29 [2019-03-29 02:14:30,149 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 26.01/18.29 [2019-03-29 02:14:30,149 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 26.01/18.29 [2019-03-29 02:14:30,149 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 26.01/18.29 [2019-03-29 02:14:30,149 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 26.01/18.29 [2019-03-29 02:14:30,150 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. 26.01/18.29 [2019-03-29 02:14:30,151 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 26.01/18.29 [2019-03-29 02:14:30,163 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 26.01/18.29 [2019-03-29 02:14:30,176 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 26.01/18.29 [2019-03-29 02:14:30,176 INFO L444 ModelExtractionUtils]: 2 out of 9 variables were initially zero. Simplification set additionally 0 variables to zero. 26.01/18.29 [2019-03-29 02:14:30,179 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 26.01/18.29 [2019-03-29 02:14:30,179 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 26.01/18.29 [2019-03-29 02:14:30,179 INFO L518 LassoAnalysis]: Proved termination. 26.01/18.29 [2019-03-29 02:14:30,180 INFO L520 LassoAnalysis]: Termination argument consisting of: 26.01/18.29 Ranking function 2-nested ranking function: 26.01/18.29 f0 = -2*ULTIMATE.start_main_~x~0 - 2*ULTIMATE.start_main_~y~0 + 1 26.01/18.29 f1 = 2*ULTIMATE.start_main_~z~0 - 2*ULTIMATE.start_main_~x~0 + 1 26.01/18.29 Supporting invariants [] 26.01/18.29 [2019-03-29 02:14:30,182 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 26.01/18.29 [2019-03-29 02:14:30,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 26.01/18.29 [2019-03-29 02:14:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 26.01/18.29 [2019-03-29 02:14:30,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 26.01/18.29 [2019-03-29 02:14:30,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... 26.01/18.29 [2019-03-29 02:14:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 26.01/18.29 [2019-03-29 02:14:30,242 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 7 conjunts are in the unsatisfiable core 26.01/18.29 [2019-03-29 02:14:30,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... 26.01/18.29 [2019-03-29 02:14:30,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 26.01/18.29 [2019-03-29 02:14:30,278 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 26.01/18.29 [2019-03-29 02:14:30,283 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 26.01/18.29 [2019-03-29 02:14:30,284 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 26.01/18.29 [2019-03-29 02:14:30,304 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 2 states.. Second operand 2 states. Result 3 states and 3 transitions. Complement of second has 2 states. 26.01/18.29 [2019-03-29 02:14:30,305 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 26.01/18.29 [2019-03-29 02:14:30,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 26.01/18.29 [2019-03-29 02:14:30,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. 26.01/18.29 [2019-03-29 02:14:30,309 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. 26.01/18.29 [2019-03-29 02:14:30,309 INFO L116 BuchiAccepts]: Finished buchiAccepts. 26.01/18.29 [2019-03-29 02:14:30,309 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. 26.01/18.29 [2019-03-29 02:14:30,310 INFO L116 BuchiAccepts]: Finished buchiAccepts. 26.01/18.29 [2019-03-29 02:14:30,310 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. 26.01/18.29 [2019-03-29 02:14:30,310 INFO L116 BuchiAccepts]: Finished buchiAccepts. 26.01/18.29 [2019-03-29 02:14:30,315 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 26.01/18.29 [2019-03-29 02:14:30,316 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 26.01/18.29 [2019-03-29 02:14:30,319 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 26.01/18.29 [2019-03-29 02:14:30,320 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 26.01/18.29 [2019-03-29 02:14:30,320 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 26.01/18.29 [2019-03-29 02:14:30,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 26.01/18.29 [2019-03-29 02:14:30,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 26.01/18.29 [2019-03-29 02:14:30,321 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 26.01/18.29 [2019-03-29 02:14:30,321 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 26.01/18.29 [2019-03-29 02:14:30,321 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 26.01/18.29 [2019-03-29 02:14:30,321 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 26.01/18.29 [2019-03-29 02:14:30,322 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 26.01/18.29 [2019-03-29 02:14:30,322 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 26.01/18.29 [2019-03-29 02:14:30,322 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 26.01/18.29 [2019-03-29 02:14:30,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:14:30 BasicIcfg 26.01/18.29 [2019-03-29 02:14:30,328 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 26.01/18.29 [2019-03-29 02:14:30,329 INFO L168 Benchmark]: Toolchain (without parser) took 13668.41 ms. Allocated memory was 649.6 MB in the beginning and 652.2 MB in the end (delta: 2.6 MB). Free memory was 564.5 MB in the beginning and 507.2 MB in the end (delta: 57.4 MB). Peak memory consumption was 60.0 MB. Max. memory is 50.3 GB. 26.01/18.29 [2019-03-29 02:14:30,331 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 590.8 MB. There was no memory consumed. Max. memory is 50.3 GB. 26.01/18.29 [2019-03-29 02:14:30,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.92 ms. Allocated memory is still 649.6 MB. Free memory was 564.5 MB in the beginning and 554.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 26.01/18.29 [2019-03-29 02:14:30,332 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.17 ms. Allocated memory was 649.6 MB in the beginning and 652.2 MB in the end (delta: 2.6 MB). Free memory was 554.7 MB in the beginning and 617.3 MB in the end (delta: -62.6 MB). Peak memory consumption was 21.3 MB. Max. memory is 50.3 GB. 26.01/18.29 [2019-03-29 02:14:30,333 INFO L168 Benchmark]: Boogie Preprocessor took 20.60 ms. Allocated memory is still 652.2 MB. Free memory was 617.3 MB in the beginning and 616.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 26.01/18.29 [2019-03-29 02:14:30,333 INFO L168 Benchmark]: RCFGBuilder took 200.48 ms. Allocated memory is still 652.2 MB. Free memory was 616.2 MB in the beginning and 603.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. 26.01/18.29 [2019-03-29 02:14:30,334 INFO L168 Benchmark]: BlockEncodingV2 took 81.06 ms. Allocated memory is still 652.2 MB. Free memory was 603.8 MB in the beginning and 598.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 26.01/18.29 [2019-03-29 02:14:30,335 INFO L168 Benchmark]: TraceAbstraction took 159.27 ms. Allocated memory is still 652.2 MB. Free memory was 597.3 MB in the beginning and 588.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 26.01/18.29 [2019-03-29 02:14:30,335 INFO L168 Benchmark]: BuchiAutomizer took 12877.30 ms. Allocated memory is still 652.2 MB. Free memory was 588.6 MB in the beginning and 507.2 MB in the end (delta: 81.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 50.3 GB. 26.01/18.29 [2019-03-29 02:14:30,340 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 26.01/18.29 --- Results --- 26.01/18.29 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 26.01/18.29 - StatisticsResult: Initial Icfg 26.01/18.29 6 locations, 7 edges 26.01/18.29 - StatisticsResult: Encoded RCFG 26.01/18.29 2 locations, 2 edges 26.01/18.29 * Results from de.uni_freiburg.informatik.ultimate.core: 26.01/18.29 - StatisticsResult: Toolchain Benchmarks 26.01/18.29 Benchmark results are: 26.01/18.29 * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 590.8 MB. There was no memory consumed. Max. memory is 50.3 GB. 26.01/18.29 * CACSL2BoogieTranslator took 224.92 ms. Allocated memory is still 649.6 MB. Free memory was 564.5 MB in the beginning and 554.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 26.01/18.29 * Boogie Procedure Inliner took 99.17 ms. Allocated memory was 649.6 MB in the beginning and 652.2 MB in the end (delta: 2.6 MB). Free memory was 554.7 MB in the beginning and 617.3 MB in the end (delta: -62.6 MB). Peak memory consumption was 21.3 MB. Max. memory is 50.3 GB. 26.01/18.29 * Boogie Preprocessor took 20.60 ms. Allocated memory is still 652.2 MB. Free memory was 617.3 MB in the beginning and 616.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 26.01/18.29 * RCFGBuilder took 200.48 ms. Allocated memory is still 652.2 MB. Free memory was 616.2 MB in the beginning and 603.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. 26.01/18.29 * BlockEncodingV2 took 81.06 ms. Allocated memory is still 652.2 MB. Free memory was 603.8 MB in the beginning and 598.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 26.01/18.29 * TraceAbstraction took 159.27 ms. Allocated memory is still 652.2 MB. Free memory was 597.3 MB in the beginning and 588.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 26.01/18.29 * BuchiAutomizer took 12877.30 ms. Allocated memory is still 652.2 MB. Free memory was 588.6 MB in the beginning and 507.2 MB in the end (delta: 81.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 50.3 GB. 26.01/18.29 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 26.01/18.29 - AllSpecificationsHoldResult: All specifications hold 26.01/18.29 We were not able to verify any specifiation because the program does not contain any specification. 26.01/18.29 - InvariantResult [Line: 27]: Loop Invariant 26.01/18.29 Derived loop invariant: 1 26.01/18.29 - StatisticsResult: Ultimate Automizer benchmark data 26.01/18.29 CFG has 1 procedures, 2 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=2occurred 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 26.01/18.29 - StatisticsResult: Constructed decomposition of program 26.01/18.29 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has 2-nested ranking function (if -2 * x + -2 * y + 1 > 0 then 1 else 0), (if -2 * x + -2 * y + 1 > 0 then -2 * x + -2 * y + 1 else 2 * z + -2 * x + 1) and consists of 2 locations. 26.01/18.29 - StatisticsResult: Timing statistics 26.01/18.29 BüchiAutomizer plugin needed 12.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 12.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax154 hnf100 lsp64 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq163 hnf94 smp100 dnf100 smp100 tf105 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 11ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.1s 26.01/18.29 - TerminationAnalysisResult: Termination proven 26.01/18.29 Buchi Automizer proved that your program is terminating 26.01/18.29 RESULT: Ultimate proved your program to be correct! 26.01/18.29 !SESSION 2019-03-29 02:14:13.335 ----------------------------------------------- 26.01/18.29 eclipse.buildId=unknown 26.01/18.29 java.version=1.8.0_181 26.01/18.29 java.vendor=Oracle Corporation 26.01/18.29 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 26.01/18.29 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 26.01/18.29 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 26.01/18.29 26.01/18.29 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 02:14:30.572 26.01/18.29 !MESSAGE The workspace will exit with unsaved changes in this session. 26.01/18.29 Received shutdown request... 26.01/18.29 Ultimate: 26.01/18.29 GTK+ Version Check 26.01/18.29 EOF