13.48/7.58 YES 13.48/7.58 13.48/7.58 Ultimate: Cannot open display: 13.48/7.58 This is Ultimate 0.1.24-8dc7c08-m 13.48/7.58 [2019-03-28 12:18:04,189 INFO L170 SettingsManager]: Resetting all preferences to default values... 13.48/7.58 [2019-03-28 12:18:04,192 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 13.48/7.58 [2019-03-28 12:18:04,205 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 13.48/7.58 [2019-03-28 12:18:04,205 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 13.48/7.58 [2019-03-28 12:18:04,206 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 13.48/7.58 [2019-03-28 12:18:04,207 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 13.48/7.58 [2019-03-28 12:18:04,209 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 13.48/7.58 [2019-03-28 12:18:04,210 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 13.48/7.58 [2019-03-28 12:18:04,211 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 13.48/7.58 [2019-03-28 12:18:04,212 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 13.48/7.58 [2019-03-28 12:18:04,212 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 13.48/7.58 [2019-03-28 12:18:04,213 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 13.48/7.58 [2019-03-28 12:18:04,214 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 13.48/7.58 [2019-03-28 12:18:04,215 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 13.48/7.58 [2019-03-28 12:18:04,216 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 13.48/7.58 [2019-03-28 12:18:04,216 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 13.48/7.58 [2019-03-28 12:18:04,218 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 13.48/7.58 [2019-03-28 12:18:04,220 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 13.48/7.58 [2019-03-28 12:18:04,221 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 13.48/7.58 [2019-03-28 12:18:04,222 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 13.48/7.58 [2019-03-28 12:18:04,223 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 13.48/7.58 [2019-03-28 12:18:04,225 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 13.48/7.58 [2019-03-28 12:18:04,226 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 13.48/7.58 [2019-03-28 12:18:04,226 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 13.48/7.58 [2019-03-28 12:18:04,227 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 13.48/7.58 [2019-03-28 12:18:04,227 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 13.48/7.58 [2019-03-28 12:18:04,228 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 13.48/7.58 [2019-03-28 12:18:04,228 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 13.48/7.58 [2019-03-28 12:18:04,229 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 13.48/7.58 [2019-03-28 12:18:04,230 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 13.48/7.58 [2019-03-28 12:18:04,230 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 13.48/7.58 [2019-03-28 12:18:04,231 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 13.48/7.58 [2019-03-28 12:18:04,231 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 13.48/7.58 [2019-03-28 12:18:04,232 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 13.48/7.58 [2019-03-28 12:18:04,232 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 13.48/7.58 [2019-03-28 12:18:04,232 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 13.48/7.58 [2019-03-28 12:18:04,233 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 13.48/7.58 [2019-03-28 12:18:04,234 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 13.48/7.58 [2019-03-28 12:18:04,234 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 13.48/7.58 [2019-03-28 12:18:04,249 INFO L110 SettingsManager]: Loading preferences was successful 13.48/7.58 [2019-03-28 12:18:04,249 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 13.48/7.58 [2019-03-28 12:18:04,250 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 13.48/7.58 [2019-03-28 12:18:04,250 INFO L133 SettingsManager]: * Rewrite not-equals=true 13.48/7.58 [2019-03-28 12:18:04,251 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 13.48/7.58 [2019-03-28 12:18:04,251 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 13.48/7.58 [2019-03-28 12:18:04,251 INFO L133 SettingsManager]: * Use SBE=true 13.48/7.58 [2019-03-28 12:18:04,251 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 13.48/7.58 [2019-03-28 12:18:04,251 INFO L133 SettingsManager]: * Use old map elimination=false 13.48/7.58 [2019-03-28 12:18:04,252 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 13.48/7.58 [2019-03-28 12:18:04,252 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 13.48/7.58 [2019-03-28 12:18:04,252 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 13.48/7.58 [2019-03-28 12:18:04,252 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 13.48/7.58 [2019-03-28 12:18:04,252 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 13.48/7.58 [2019-03-28 12:18:04,252 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.48/7.58 [2019-03-28 12:18:04,253 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 13.48/7.58 [2019-03-28 12:18:04,253 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 13.48/7.58 [2019-03-28 12:18:04,253 INFO L133 SettingsManager]: * Check division by zero=IGNORE 13.48/7.58 [2019-03-28 12:18:04,253 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 13.48/7.58 [2019-03-28 12:18:04,253 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 13.48/7.58 [2019-03-28 12:18:04,253 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 13.48/7.58 [2019-03-28 12:18:04,254 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 13.48/7.58 [2019-03-28 12:18:04,254 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 13.48/7.58 [2019-03-28 12:18:04,254 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 13.48/7.58 [2019-03-28 12:18:04,254 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.48/7.58 [2019-03-28 12:18:04,254 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 13.48/7.58 [2019-03-28 12:18:04,254 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 13.48/7.58 [2019-03-28 12:18:04,255 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 13.48/7.58 [2019-03-28 12:18:04,255 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 13.48/7.58 [2019-03-28 12:18:04,280 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 13.48/7.58 [2019-03-28 12:18:04,296 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 13.48/7.58 [2019-03-28 12:18:04,300 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 13.48/7.58 [2019-03-28 12:18:04,301 INFO L271 PluginConnector]: Initializing CDTParser... 13.48/7.58 [2019-03-28 12:18:04,301 INFO L276 PluginConnector]: CDTParser initialized 13.48/7.58 [2019-03-28 12:18:04,302 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 13.48/7.58 [2019-03-28 12:18:04,379 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/8e9fa2a479ba47d799256a4ded0436eb/FLAGbe01df9ef 13.48/7.58 [2019-03-28 12:18:04,913 INFO L307 CDTParser]: Found 1 translation units. 13.48/7.58 [2019-03-28 12:18:04,913 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 13.48/7.58 [2019-03-28 12:18:04,954 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/8e9fa2a479ba47d799256a4ded0436eb/FLAGbe01df9ef 13.48/7.58 [2019-03-28 12:18:05,317 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/8e9fa2a479ba47d799256a4ded0436eb 13.48/7.58 [2019-03-28 12:18:05,329 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 13.48/7.58 [2019-03-28 12:18:05,331 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 13.48/7.58 [2019-03-28 12:18:05,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 13.48/7.58 [2019-03-28 12:18:05,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 13.48/7.58 [2019-03-28 12:18:05,336 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 13.48/7.58 [2019-03-28 12:18:05,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:18:05" (1/1) ... 13.48/7.58 [2019-03-28 12:18:05,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61665733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:05, skipping insertion in model container 13.48/7.58 [2019-03-28 12:18:05,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:18:05" (1/1) ... 13.48/7.58 [2019-03-28 12:18:05,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 13.48/7.58 [2019-03-28 12:18:05,366 INFO L176 MainTranslator]: Built tables and reachable declarations 13.48/7.58 [2019-03-28 12:18:05,527 INFO L206 PostProcessor]: Analyzing one entry point: main 13.48/7.58 [2019-03-28 12:18:05,531 INFO L191 MainTranslator]: Completed pre-run 13.48/7.58 [2019-03-28 12:18:05,548 INFO L206 PostProcessor]: Analyzing one entry point: main 13.48/7.58 [2019-03-28 12:18:05,563 INFO L195 MainTranslator]: Completed translation 13.48/7.58 [2019-03-28 12:18:05,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:05 WrapperNode 13.48/7.58 [2019-03-28 12:18:05,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 13.48/7.58 [2019-03-28 12:18:05,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 13.48/7.58 [2019-03-28 12:18:05,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 13.48/7.58 [2019-03-28 12:18:05,565 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 13.48/7.58 [2019-03-28 12:18:05,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:05" (1/1) ... 13.48/7.58 [2019-03-28 12:18:05,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:05" (1/1) ... 13.48/7.58 [2019-03-28 12:18:05,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 13.48/7.58 [2019-03-28 12:18:05,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 13.48/7.58 [2019-03-28 12:18:05,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 13.48/7.58 [2019-03-28 12:18:05,662 INFO L276 PluginConnector]: Boogie Preprocessor initialized 13.48/7.58 [2019-03-28 12:18:05,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:05" (1/1) ... 13.48/7.58 [2019-03-28 12:18:05,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:05" (1/1) ... 13.48/7.58 [2019-03-28 12:18:05,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:05" (1/1) ... 13.48/7.58 [2019-03-28 12:18:05,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:05" (1/1) ... 13.48/7.58 [2019-03-28 12:18:05,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:05" (1/1) ... 13.48/7.58 [2019-03-28 12:18:05,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:05" (1/1) ... 13.48/7.58 [2019-03-28 12:18:05,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:05" (1/1) ... 13.48/7.58 [2019-03-28 12:18:05,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 13.48/7.58 [2019-03-28 12:18:05,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 13.48/7.58 [2019-03-28 12:18:05,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... 13.48/7.58 [2019-03-28 12:18:05,682 INFO L276 PluginConnector]: RCFGBuilder initialized 13.48/7.58 [2019-03-28 12:18:05,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:05" (1/1) ... 13.48/7.58 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.48/7.58 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 13.48/7.58 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.48/7.58 [2019-03-28 12:18:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 13.48/7.58 [2019-03-28 12:18:05,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 13.48/7.58 [2019-03-28 12:18:05,898 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 13.48/7.58 [2019-03-28 12:18:05,899 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. 13.48/7.58 [2019-03-28 12:18:05,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:18:05 BoogieIcfgContainer 13.48/7.58 [2019-03-28 12:18:05,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 13.48/7.58 [2019-03-28 12:18:05,901 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 13.48/7.58 [2019-03-28 12:18:05,901 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 13.48/7.58 [2019-03-28 12:18:05,903 INFO L276 PluginConnector]: BlockEncodingV2 initialized 13.48/7.58 [2019-03-28 12:18:05,903 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:18:05" (1/1) ... 13.48/7.58 [2019-03-28 12:18:05,918 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 10 edges 13.48/7.58 [2019-03-28 12:18:05,919 INFO L258 BlockEncoder]: Using Remove infeasible edges 13.48/7.58 [2019-03-28 12:18:05,920 INFO L263 BlockEncoder]: Using Maximize final states 13.48/7.58 [2019-03-28 12:18:05,921 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 13.48/7.58 [2019-03-28 12:18:05,921 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 13.48/7.58 [2019-03-28 12:18:05,923 INFO L296 BlockEncoder]: Using Remove sink states 13.48/7.58 [2019-03-28 12:18:05,924 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 13.48/7.58 [2019-03-28 12:18:05,924 INFO L179 BlockEncoder]: Using Rewrite not-equals 13.48/7.58 [2019-03-28 12:18:05,939 INFO L185 BlockEncoder]: Using Use SBE 13.48/7.58 [2019-03-28 12:18:05,953 INFO L200 BlockEncoder]: SBE split 2 edges 13.48/7.58 [2019-03-28 12:18:05,958 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 13.48/7.58 [2019-03-28 12:18:05,959 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.48/7.58 [2019-03-28 12:18:05,968 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 13.48/7.58 [2019-03-28 12:18:05,970 INFO L70 RemoveSinkStates]: Removed 5 edges and 3 locations by removing sink states 13.48/7.58 [2019-03-28 12:18:05,971 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.48/7.58 [2019-03-28 12:18:05,972 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.48/7.58 [2019-03-28 12:18:05,972 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.48/7.58 [2019-03-28 12:18:05,972 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.48/7.58 [2019-03-28 12:18:05,972 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 13.48/7.58 [2019-03-28 12:18:05,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:18:05 BasicIcfg 13.48/7.58 [2019-03-28 12:18:05,973 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 13.48/7.58 [2019-03-28 12:18:05,974 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 13.48/7.58 [2019-03-28 12:18:05,974 INFO L271 PluginConnector]: Initializing TraceAbstraction... 13.48/7.58 [2019-03-28 12:18:05,977 INFO L276 PluginConnector]: TraceAbstraction initialized 13.48/7.58 [2019-03-28 12:18:05,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:18:05" (1/4) ... 13.48/7.58 [2019-03-28 12:18:05,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f920e1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:18:05, skipping insertion in model container 13.48/7.58 [2019-03-28 12:18:05,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:05" (2/4) ... 13.48/7.58 [2019-03-28 12:18:05,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f920e1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:18:05, skipping insertion in model container 13.48/7.58 [2019-03-28 12:18:05,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:18:05" (3/4) ... 13.48/7.58 [2019-03-28 12:18:05,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f920e1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:18:05, skipping insertion in model container 13.48/7.58 [2019-03-28 12:18:05,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:18:05" (4/4) ... 13.48/7.58 [2019-03-28 12:18:05,981 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.48/7.58 [2019-03-28 12:18:05,991 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 13.48/7.58 [2019-03-28 12:18:05,998 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 13.48/7.58 [2019-03-28 12:18:06,015 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 13.48/7.58 [2019-03-28 12:18:06,044 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.48/7.58 [2019-03-28 12:18:06,045 INFO L382 AbstractCegarLoop]: Interprodecural is true 13.48/7.58 [2019-03-28 12:18:06,045 INFO L383 AbstractCegarLoop]: Hoare is true 13.48/7.58 [2019-03-28 12:18:06,045 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 13.48/7.58 [2019-03-28 12:18:06,045 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 13.48/7.58 [2019-03-28 12:18:06,045 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.48/7.58 [2019-03-28 12:18:06,046 INFO L387 AbstractCegarLoop]: Difference is false 13.48/7.58 [2019-03-28 12:18:06,046 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 13.48/7.58 [2019-03-28 12:18:06,046 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 13.48/7.58 [2019-03-28 12:18:06,060 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 13.48/7.58 [2019-03-28 12:18:06,065 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 13.48/7.58 [2019-03-28 12:18:06,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 13.48/7.58 [2019-03-28 12:18:06,118 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 13.48/7.58 [2019-03-28 12:18:06,118 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. 13.48/7.58 [2019-03-28 12:18:06,118 INFO L451 ceAbstractionStarter]: At program point L6-2(lines 6 9) the Hoare annotation is: true 13.48/7.58 [2019-03-28 12:18:06,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:18:06 BasicIcfg 13.48/7.58 [2019-03-28 12:18:06,127 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 13.48/7.58 [2019-03-28 12:18:06,127 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 13.48/7.58 [2019-03-28 12:18:06,127 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 13.48/7.58 [2019-03-28 12:18:06,131 INFO L276 PluginConnector]: BuchiAutomizer initialized 13.48/7.58 [2019-03-28 12:18:06,131 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.48/7.58 [2019-03-28 12:18:06,132 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:18:05" (1/5) ... 13.48/7.58 [2019-03-28 12:18:06,132 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f9b2e9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:18:06, skipping insertion in model container 13.48/7.59 [2019-03-28 12:18:06,132 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.48/7.59 [2019-03-28 12:18:06,133 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:05" (2/5) ... 13.48/7.59 [2019-03-28 12:18:06,133 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f9b2e9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:18:06, skipping insertion in model container 13.48/7.59 [2019-03-28 12:18:06,133 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.48/7.59 [2019-03-28 12:18:06,133 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:18:05" (3/5) ... 13.48/7.59 [2019-03-28 12:18:06,134 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f9b2e9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:18:06, skipping insertion in model container 13.48/7.59 [2019-03-28 12:18:06,134 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.48/7.59 [2019-03-28 12:18:06,134 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:18:05" (4/5) ... 13.48/7.59 [2019-03-28 12:18:06,134 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f9b2e9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:18:06, skipping insertion in model container 13.48/7.59 [2019-03-28 12:18:06,134 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.48/7.59 [2019-03-28 12:18:06,135 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:18:06" (5/5) ... 13.48/7.59 [2019-03-28 12:18:06,136 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.48/7.59 [2019-03-28 12:18:06,164 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.48/7.59 [2019-03-28 12:18:06,164 INFO L374 BuchiCegarLoop]: Interprodecural is true 13.48/7.59 [2019-03-28 12:18:06,165 INFO L375 BuchiCegarLoop]: Hoare is true 13.48/7.59 [2019-03-28 12:18:06,165 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 13.48/7.59 [2019-03-28 12:18:06,165 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 13.48/7.59 [2019-03-28 12:18:06,165 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.48/7.59 [2019-03-28 12:18:06,165 INFO L379 BuchiCegarLoop]: Difference is false 13.48/7.59 [2019-03-28 12:18:06,165 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 13.48/7.59 [2019-03-28 12:18:06,166 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 13.48/7.59 [2019-03-28 12:18:06,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 13.48/7.59 [2019-03-28 12:18:06,187 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.48/7.59 [2019-03-28 12:18:06,188 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.48/7.59 [2019-03-28 12:18:06,188 INFO L119 BuchiIsEmpty]: Starting construction of run 13.48/7.59 [2019-03-28 12:18:06,194 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 13.48/7.59 [2019-03-28 12:18:06,194 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.48/7.59 [2019-03-28 12:18:06,194 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 13.48/7.59 [2019-03-28 12:18:06,194 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 13.48/7.59 [2019-03-28 12:18:06,195 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.48/7.59 [2019-03-28 12:18:06,195 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.48/7.59 [2019-03-28 12:18:06,195 INFO L119 BuchiIsEmpty]: Starting construction of run 13.48/7.59 [2019-03-28 12:18:06,195 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 13.48/7.59 [2019-03-28 12:18:06,195 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.48/7.59 [2019-03-28 12:18:06,201 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [28] ULTIMATE.startENTRY-->L5: Formula: (and (= v_ULTIMATE.start_quot_~x_1 |v_ULTIMATE.start_quot_#in~x_1|) (= v_ULTIMATE.start_quot_~y_1 |v_ULTIMATE.start_quot_#in~y_1|) (= v_ULTIMATE.start_quot_~i~0_1 0) (= |v_ULTIMATE.start_quot_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|) (= |v_ULTIMATE.start_quot_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_quot_~y=v_ULTIMATE.start_quot_~y_1, ULTIMATE.start_quot_#res=|v_ULTIMATE.start_quot_#res_1|, ULTIMATE.start_quot_~i~0=v_ULTIMATE.start_quot_~i~0_1, ULTIMATE.start_quot_~x=v_ULTIMATE.start_quot_~x_1, ULTIMATE.start_quot_#in~y=|v_ULTIMATE.start_quot_#in~y_1|, ULTIMATE.start_quot_#in~x=|v_ULTIMATE.start_quot_#in~x_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_quot_~y, ULTIMATE.start_quot_#res, ULTIMATE.start_quot_~i~0, ULTIMATE.start_quot_~x, ULTIMATE.start_quot_#in~y, ULTIMATE.start_quot_#in~x] 3#L5true [38] L5-->L6-2: Formula: (< 0 v_ULTIMATE.start_quot_~x_4) InVars {ULTIMATE.start_quot_~x=v_ULTIMATE.start_quot_~x_4} OutVars{ULTIMATE.start_quot_~x=v_ULTIMATE.start_quot_~x_4} AuxVars[] AssignedVars[] 5#L6-2true 13.48/7.59 [2019-03-28 12:18:06,201 INFO L796 eck$LassoCheckResult]: Loop: 5#L6-2true [34] L6-2-->L6-2: Formula: (and (< 0 v_ULTIMATE.start_quot_~x_7) (< 0 v_ULTIMATE.start_quot_~y_4) (= v_ULTIMATE.start_quot_~x_6 (+ v_ULTIMATE.start_quot_~x_7 (* (- 1) v_ULTIMATE.start_quot_~y_4))) (= v_ULTIMATE.start_quot_~i~0_4 (+ v_ULTIMATE.start_quot_~i~0_5 1))) InVars {ULTIMATE.start_quot_~x=v_ULTIMATE.start_quot_~x_7, ULTIMATE.start_quot_~i~0=v_ULTIMATE.start_quot_~i~0_5, ULTIMATE.start_quot_~y=v_ULTIMATE.start_quot_~y_4} OutVars{ULTIMATE.start_quot_~x=v_ULTIMATE.start_quot_~x_6, ULTIMATE.start_quot_~i~0=v_ULTIMATE.start_quot_~i~0_4, ULTIMATE.start_quot_~y=v_ULTIMATE.start_quot_~y_4} AuxVars[] AssignedVars[ULTIMATE.start_quot_~x, ULTIMATE.start_quot_~i~0] 5#L6-2true 13.48/7.59 [2019-03-28 12:18:06,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.48/7.59 [2019-03-28 12:18:06,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1867, now seen corresponding path program 1 times 13.48/7.59 [2019-03-28 12:18:06,209 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.48/7.59 [2019-03-28 12:18:06,210 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.48/7.59 [2019-03-28 12:18:06,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.48/7.59 [2019-03-28 12:18:06,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.48/7.59 [2019-03-28 12:18:06,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.48/7.59 [2019-03-28 12:18:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.48/7.59 [2019-03-28 12:18:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.48/7.59 [2019-03-28 12:18:06,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.48/7.59 [2019-03-28 12:18:06,285 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 1 times 13.48/7.59 [2019-03-28 12:18:06,285 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.48/7.59 [2019-03-28 12:18:06,285 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.48/7.59 [2019-03-28 12:18:06,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.48/7.59 [2019-03-28 12:18:06,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.48/7.59 [2019-03-28 12:18:06,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.48/7.59 [2019-03-28 12:18:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.48/7.59 [2019-03-28 12:18:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.48/7.59 [2019-03-28 12:18:06,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.48/7.59 [2019-03-28 12:18:06,298 INFO L82 PathProgramCache]: Analyzing trace with hash 57911, now seen corresponding path program 1 times 13.48/7.59 [2019-03-28 12:18:06,298 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.48/7.59 [2019-03-28 12:18:06,298 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.48/7.59 [2019-03-28 12:18:06,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.48/7.59 [2019-03-28 12:18:06,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.48/7.59 [2019-03-28 12:18:06,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.48/7.59 [2019-03-28 12:18:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.48/7.59 [2019-03-28 12:18:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.48/7.59 [2019-03-28 12:18:06,358 INFO L216 LassoAnalysis]: Preferences: 13.48/7.59 [2019-03-28 12:18:06,359 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.48/7.59 [2019-03-28 12:18:06,360 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.48/7.59 [2019-03-28 12:18:06,360 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.48/7.59 [2019-03-28 12:18:06,360 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.48/7.59 [2019-03-28 12:18:06,360 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.48/7.59 [2019-03-28 12:18:06,360 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.48/7.59 [2019-03-28 12:18:06,361 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.48/7.59 [2019-03-28 12:18:06,361 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.48/7.59 [2019-03-28 12:18:06,361 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.48/7.59 [2019-03-28 12:18:06,361 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.48/7.59 [2019-03-28 12:18:06,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.48/7.59 [2019-03-28 12:18:06,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.48/7.59 [2019-03-28 12:18:06,461 INFO L300 LassoAnalysis]: Preprocessing complete. 13.48/7.59 [2019-03-28 12:18:06,462 INFO L412 LassoAnalysis]: Checking for nontermination... 13.48/7.59 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.48/7.59 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.48/7.59 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.48/7.59 [2019-03-28 12:18:06,468 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.48/7.59 [2019-03-28 12:18:06,468 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.48/7.59 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.48/7.59 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.48/7.59 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.48/7.59 [2019-03-28 12:18:06,501 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.48/7.59 [2019-03-28 12:18:06,502 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.48/7.59 [2019-03-28 12:18:06,600 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.48/7.59 [2019-03-28 12:18:06,603 INFO L216 LassoAnalysis]: Preferences: 13.48/7.59 [2019-03-28 12:18:06,603 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.48/7.59 [2019-03-28 12:18:06,603 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.48/7.59 [2019-03-28 12:18:06,604 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.48/7.59 [2019-03-28 12:18:06,604 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.48/7.59 [2019-03-28 12:18:06,604 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.48/7.59 [2019-03-28 12:18:06,604 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.48/7.59 [2019-03-28 12:18:06,604 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.48/7.59 [2019-03-28 12:18:06,604 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.48/7.59 [2019-03-28 12:18:06,604 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.48/7.59 [2019-03-28 12:18:06,605 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.48/7.59 [2019-03-28 12:18:06,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.48/7.59 [2019-03-28 12:18:06,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.48/7.59 [2019-03-28 12:18:06,662 INFO L300 LassoAnalysis]: Preprocessing complete. 13.48/7.59 [2019-03-28 12:18:06,668 INFO L497 LassoAnalysis]: Using template 'affine'. 13.48/7.59 [2019-03-28 12:18:06,670 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.48/7.59 Termination analysis: LINEAR_WITH_GUESSES 13.48/7.59 Number of strict supporting invariants: 0 13.48/7.59 Number of non-strict supporting invariants: 1 13.48/7.59 Consider only non-deceasing supporting invariants: true 13.48/7.59 Simplify termination arguments: true 13.48/7.59 Simplify supporting invariants: trueOverapproximate stem: false 13.48/7.59 [2019-03-28 12:18:06,671 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.48/7.59 [2019-03-28 12:18:06,672 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.48/7.59 [2019-03-28 12:18:06,672 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.48/7.59 [2019-03-28 12:18:06,673 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.48/7.59 [2019-03-28 12:18:06,673 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.48/7.59 [2019-03-28 12:18:06,675 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.48/7.59 [2019-03-28 12:18:06,675 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.48/7.59 [2019-03-28 12:18:06,684 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.48/7.59 [2019-03-28 12:18:06,693 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 13.48/7.59 [2019-03-28 12:18:06,693 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 13.48/7.59 [2019-03-28 12:18:06,695 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.48/7.59 [2019-03-28 12:18:06,696 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.48/7.59 [2019-03-28 12:18:06,696 INFO L518 LassoAnalysis]: Proved termination. 13.48/7.59 [2019-03-28 12:18:06,697 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.48/7.59 Ranking function f(ULTIMATE.start_quot_~x) = 1*ULTIMATE.start_quot_~x 13.48/7.59 Supporting invariants [] 13.48/7.59 [2019-03-28 12:18:06,698 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.48/7.59 [2019-03-28 12:18:06,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.48/7.59 [2019-03-28 12:18:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.48/7.59 [2019-03-28 12:18:06,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core 13.48/7.59 [2019-03-28 12:18:06,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.48/7.59 [2019-03-28 12:18:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.48/7.59 [2019-03-28 12:18:06,755 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core 13.48/7.59 [2019-03-28 12:18:06,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.48/7.59 [2019-03-28 12:18:06,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.48/7.59 [2019-03-28 12:18:06,768 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 13.48/7.59 [2019-03-28 12:18:06,773 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates 13.48/7.59 [2019-03-28 12:18:06,775 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 2 states. 13.48/7.59 [2019-03-28 12:18:06,796 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 2 states. Result 5 states and 6 transitions. Complement of second has 2 states. 13.48/7.59 [2019-03-28 12:18:06,797 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 13.48/7.59 [2019-03-28 12:18:06,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 13.48/7.59 [2019-03-28 12:18:06,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 6 transitions. 13.48/7.59 [2019-03-28 12:18:06,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 2 letters. Loop has 1 letters. 13.48/7.59 [2019-03-28 12:18:06,803 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.48/7.59 [2019-03-28 12:18:06,803 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 3 letters. Loop has 1 letters. 13.48/7.59 [2019-03-28 12:18:06,803 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.48/7.59 [2019-03-28 12:18:06,803 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 2 letters. Loop has 2 letters. 13.48/7.59 [2019-03-28 12:18:06,803 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.48/7.59 [2019-03-28 12:18:06,809 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 6 transitions. 13.48/7.59 [2019-03-28 12:18:06,810 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.48/7.59 [2019-03-28 12:18:06,813 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 3 states and 3 transitions. 13.48/7.59 [2019-03-28 12:18:06,814 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 13.48/7.59 [2019-03-28 12:18:06,815 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 13.48/7.59 [2019-03-28 12:18:06,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3 transitions. 13.48/7.59 [2019-03-28 12:18:06,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.48/7.59 [2019-03-28 12:18:06,816 INFO L706 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. 13.48/7.59 [2019-03-28 12:18:06,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3 states and 3 transitions. 13.48/7.59 [2019-03-28 12:18:06,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3 to 3. 13.48/7.59 [2019-03-28 12:18:06,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 13.48/7.59 [2019-03-28 12:18:06,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. 13.48/7.59 [2019-03-28 12:18:06,844 INFO L729 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. 13.48/7.59 [2019-03-28 12:18:06,844 INFO L609 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. 13.48/7.59 [2019-03-28 12:18:06,844 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 13.48/7.59 [2019-03-28 12:18:06,844 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 3 transitions. 13.48/7.59 [2019-03-28 12:18:06,845 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.48/7.59 [2019-03-28 12:18:06,845 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.48/7.59 [2019-03-28 12:18:06,845 INFO L119 BuchiIsEmpty]: Starting construction of run 13.48/7.59 [2019-03-28 12:18:06,845 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 13.48/7.59 [2019-03-28 12:18:06,845 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.48/7.59 [2019-03-28 12:18:06,846 INFO L794 eck$LassoCheckResult]: Stem: 38#ULTIMATE.startENTRY [28] ULTIMATE.startENTRY-->L5: Formula: (and (= v_ULTIMATE.start_quot_~x_1 |v_ULTIMATE.start_quot_#in~x_1|) (= v_ULTIMATE.start_quot_~y_1 |v_ULTIMATE.start_quot_#in~y_1|) (= v_ULTIMATE.start_quot_~i~0_1 0) (= |v_ULTIMATE.start_quot_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|) (= |v_ULTIMATE.start_quot_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_quot_~y=v_ULTIMATE.start_quot_~y_1, ULTIMATE.start_quot_#res=|v_ULTIMATE.start_quot_#res_1|, ULTIMATE.start_quot_~i~0=v_ULTIMATE.start_quot_~i~0_1, ULTIMATE.start_quot_~x=v_ULTIMATE.start_quot_~x_1, ULTIMATE.start_quot_#in~y=|v_ULTIMATE.start_quot_#in~y_1|, ULTIMATE.start_quot_#in~x=|v_ULTIMATE.start_quot_#in~x_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_quot_~y, ULTIMATE.start_quot_#res, ULTIMATE.start_quot_~i~0, ULTIMATE.start_quot_~x, ULTIMATE.start_quot_#in~y, ULTIMATE.start_quot_#in~x] 36#L5 [37] L5-->L6-2: Formula: (> 0 v_ULTIMATE.start_quot_~x_4) InVars {ULTIMATE.start_quot_~x=v_ULTIMATE.start_quot_~x_4} OutVars{ULTIMATE.start_quot_~x=v_ULTIMATE.start_quot_~x_4} AuxVars[] AssignedVars[] 37#L6-2 13.48/7.59 [2019-03-28 12:18:06,846 INFO L796 eck$LassoCheckResult]: Loop: 37#L6-2 [34] L6-2-->L6-2: Formula: (and (< 0 v_ULTIMATE.start_quot_~x_7) (< 0 v_ULTIMATE.start_quot_~y_4) (= v_ULTIMATE.start_quot_~x_6 (+ v_ULTIMATE.start_quot_~x_7 (* (- 1) v_ULTIMATE.start_quot_~y_4))) (= v_ULTIMATE.start_quot_~i~0_4 (+ v_ULTIMATE.start_quot_~i~0_5 1))) InVars {ULTIMATE.start_quot_~x=v_ULTIMATE.start_quot_~x_7, ULTIMATE.start_quot_~i~0=v_ULTIMATE.start_quot_~i~0_5, ULTIMATE.start_quot_~y=v_ULTIMATE.start_quot_~y_4} OutVars{ULTIMATE.start_quot_~x=v_ULTIMATE.start_quot_~x_6, ULTIMATE.start_quot_~i~0=v_ULTIMATE.start_quot_~i~0_4, ULTIMATE.start_quot_~y=v_ULTIMATE.start_quot_~y_4} AuxVars[] AssignedVars[ULTIMATE.start_quot_~x, ULTIMATE.start_quot_~i~0] 37#L6-2 13.48/7.59 [2019-03-28 12:18:06,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.48/7.59 [2019-03-28 12:18:06,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1866, now seen corresponding path program 1 times 13.48/7.59 [2019-03-28 12:18:06,846 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.48/7.59 [2019-03-28 12:18:06,847 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.48/7.59 [2019-03-28 12:18:06,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.48/7.59 [2019-03-28 12:18:06,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.48/7.59 [2019-03-28 12:18:06,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.48/7.59 [2019-03-28 12:18:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.48/7.59 [2019-03-28 12:18:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.48/7.59 [2019-03-28 12:18:06,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.48/7.59 [2019-03-28 12:18:06,854 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 2 times 13.48/7.59 [2019-03-28 12:18:06,854 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.48/7.59 [2019-03-28 12:18:06,854 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.48/7.59 [2019-03-28 12:18:06,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.48/7.59 [2019-03-28 12:18:06,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.48/7.59 [2019-03-28 12:18:06,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.48/7.59 [2019-03-28 12:18:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.48/7.59 [2019-03-28 12:18:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.48/7.59 [2019-03-28 12:18:06,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.48/7.59 [2019-03-28 12:18:06,862 INFO L82 PathProgramCache]: Analyzing trace with hash 57880, now seen corresponding path program 1 times 13.48/7.59 [2019-03-28 12:18:06,862 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.48/7.59 [2019-03-28 12:18:06,862 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.48/7.59 [2019-03-28 12:18:06,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.48/7.59 [2019-03-28 12:18:06,863 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 13.48/7.59 [2019-03-28 12:18:06,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.48/7.59 [2019-03-28 12:18:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.48/7.59 [2019-03-28 12:18:06,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.48/7.59 [2019-03-28 12:18:06,903 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 13.48/7.59 [2019-03-28 12:18:06,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 13.48/7.59 [2019-03-28 12:18:06,925 INFO L216 LassoAnalysis]: Preferences: 13.48/7.59 [2019-03-28 12:18:06,925 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.48/7.59 [2019-03-28 12:18:06,925 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.48/7.59 [2019-03-28 12:18:06,926 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.48/7.59 [2019-03-28 12:18:06,926 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.48/7.59 [2019-03-28 12:18:06,926 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.48/7.59 [2019-03-28 12:18:06,926 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.48/7.59 [2019-03-28 12:18:06,926 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.48/7.59 [2019-03-28 12:18:06,926 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 13.48/7.59 [2019-03-28 12:18:06,927 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.48/7.59 [2019-03-28 12:18:06,927 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.48/7.59 [2019-03-28 12:18:06,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.48/7.59 [2019-03-28 12:18:06,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.48/7.59 [2019-03-28 12:18:06,986 INFO L300 LassoAnalysis]: Preprocessing complete. 13.48/7.59 [2019-03-28 12:18:06,987 INFO L412 LassoAnalysis]: Checking for nontermination... 13.48/7.59 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.48/7.59 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.48/7.59 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.48/7.59 [2019-03-28 12:18:06,994 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.48/7.59 [2019-03-28 12:18:06,994 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.48/7.59 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.48/7.59 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.48/7.59 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.48/7.59 [2019-03-28 12:18:07,036 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.48/7.59 [2019-03-28 12:18:07,036 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.48/7.59 [2019-03-28 12:18:07,056 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.48/7.59 [2019-03-28 12:18:07,056 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_quot_~i~0=0} Honda state: {ULTIMATE.start_quot_~i~0=0} Generalized eigenvectors: [{ULTIMATE.start_quot_~i~0=1}, {ULTIMATE.start_quot_~i~0=1}, {ULTIMATE.start_quot_~i~0=-1}] Lambdas: [0, 2, 1] Nus: [1, 1] 13.48/7.59 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.48/7.59 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.48/7.59 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.48/7.59 [2019-03-28 12:18:07,088 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.48/7.59 [2019-03-28 12:18:07,088 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.48/7.59 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.48/7.59 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.48/7.59 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.48/7.59 [2019-03-28 12:18:07,122 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.48/7.59 [2019-03-28 12:18:07,122 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.48/7.59 [2019-03-28 12:18:07,239 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.48/7.59 [2019-03-28 12:18:07,242 INFO L216 LassoAnalysis]: Preferences: 13.48/7.59 [2019-03-28 12:18:07,242 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.48/7.59 [2019-03-28 12:18:07,242 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.48/7.59 [2019-03-28 12:18:07,242 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.48/7.59 [2019-03-28 12:18:07,242 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.48/7.59 [2019-03-28 12:18:07,242 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.48/7.59 [2019-03-28 12:18:07,243 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.48/7.59 [2019-03-28 12:18:07,243 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.48/7.59 [2019-03-28 12:18:07,243 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 13.48/7.59 [2019-03-28 12:18:07,243 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.48/7.59 [2019-03-28 12:18:07,243 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.48/7.59 [2019-03-28 12:18:07,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.48/7.59 [2019-03-28 12:18:07,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.48/7.59 [2019-03-28 12:18:07,282 INFO L300 LassoAnalysis]: Preprocessing complete. 13.48/7.59 [2019-03-28 12:18:07,282 INFO L497 LassoAnalysis]: Using template 'affine'. 13.48/7.59 [2019-03-28 12:18:07,282 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.48/7.59 Termination analysis: LINEAR_WITH_GUESSES 13.48/7.59 Number of strict supporting invariants: 0 13.48/7.59 Number of non-strict supporting invariants: 1 13.48/7.59 Consider only non-deceasing supporting invariants: true 13.48/7.59 Simplify termination arguments: true 13.48/7.59 Simplify supporting invariants: trueOverapproximate stem: false 13.48/7.59 [2019-03-28 12:18:07,283 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.48/7.59 [2019-03-28 12:18:07,283 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.48/7.59 [2019-03-28 12:18:07,304 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.48/7.59 [2019-03-28 12:18:07,304 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.48/7.59 [2019-03-28 12:18:07,304 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.48/7.59 [2019-03-28 12:18:07,305 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.48/7.59 [2019-03-28 12:18:07,305 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.48/7.59 [2019-03-28 12:18:07,315 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.48/7.59 [2019-03-28 12:18:07,316 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.48/7.59 Termination analysis: LINEAR_WITH_GUESSES 13.48/7.59 Number of strict supporting invariants: 0 13.48/7.59 Number of non-strict supporting invariants: 1 13.48/7.59 Consider only non-deceasing supporting invariants: true 13.48/7.59 Simplify termination arguments: true 13.48/7.59 Simplify supporting invariants: trueOverapproximate stem: false 13.48/7.59 [2019-03-28 12:18:07,316 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.48/7.59 [2019-03-28 12:18:07,316 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.48/7.59 [2019-03-28 12:18:07,317 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.48/7.59 [2019-03-28 12:18:07,317 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.48/7.59 [2019-03-28 12:18:07,317 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.48/7.59 [2019-03-28 12:18:07,318 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.48/7.59 [2019-03-28 12:18:07,318 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.48/7.59 [2019-03-28 12:18:07,324 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.48/7.59 [2019-03-28 12:18:07,329 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 13.48/7.59 [2019-03-28 12:18:07,329 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 13.48/7.59 [2019-03-28 12:18:07,329 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.48/7.59 [2019-03-28 12:18:07,330 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.48/7.59 [2019-03-28 12:18:07,330 INFO L518 LassoAnalysis]: Proved termination. 13.48/7.59 [2019-03-28 12:18:07,330 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.48/7.59 Ranking function f(ULTIMATE.start_quot_~x) = 1*ULTIMATE.start_quot_~x 13.48/7.59 Supporting invariants [] 13.48/7.59 [2019-03-28 12:18:07,330 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.48/7.59 [2019-03-28 12:18:07,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.48/7.59 [2019-03-28 12:18:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.48/7.59 [2019-03-28 12:18:07,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core 13.48/7.59 [2019-03-28 12:18:07,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.48/7.59 [2019-03-28 12:18:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.48/7.59 [2019-03-28 12:18:07,354 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core 13.48/7.59 [2019-03-28 12:18:07,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.48/7.59 [2019-03-28 12:18:07,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.48/7.59 [2019-03-28 12:18:07,355 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 13.48/7.59 [2019-03-28 12:18:07,356 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates 13.48/7.59 [2019-03-28 12:18:07,356 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states and 3 transitions. cyclomatic complexity: 1 Second operand 2 states. 13.48/7.59 [2019-03-28 12:18:07,361 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states and 3 transitions. cyclomatic complexity: 1. Second operand 2 states. Result 4 states and 4 transitions. Complement of second has 2 states. 13.48/7.59 [2019-03-28 12:18:07,361 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 13.48/7.59 [2019-03-28 12:18:07,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 13.48/7.59 [2019-03-28 12:18:07,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 5 transitions. 13.48/7.59 [2019-03-28 12:18:07,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 2 letters. Loop has 1 letters. 13.48/7.59 [2019-03-28 12:18:07,363 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.48/7.59 [2019-03-28 12:18:07,363 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 3 letters. Loop has 1 letters. 13.48/7.59 [2019-03-28 12:18:07,363 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.48/7.59 [2019-03-28 12:18:07,363 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 2 letters. Loop has 2 letters. 13.48/7.59 [2019-03-28 12:18:07,363 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.48/7.59 [2019-03-28 12:18:07,364 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 4 transitions. 13.48/7.59 [2019-03-28 12:18:07,365 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.48/7.59 [2019-03-28 12:18:07,365 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 0 states and 0 transitions. 13.48/7.59 [2019-03-28 12:18:07,365 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 13.48/7.59 [2019-03-28 12:18:07,365 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 13.48/7.59 [2019-03-28 12:18:07,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 13.48/7.59 [2019-03-28 12:18:07,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.48/7.59 [2019-03-28 12:18:07,366 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.48/7.59 [2019-03-28 12:18:07,366 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.48/7.59 [2019-03-28 12:18:07,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 13.48/7.59 [2019-03-28 12:18:07,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 13.48/7.59 [2019-03-28 12:18:07,369 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. 13.48/7.59 [2019-03-28 12:18:07,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 13.48/7.59 [2019-03-28 12:18:07,372 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. 13.48/7.59 [2019-03-28 12:18:07,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 13.48/7.59 [2019-03-28 12:18:07,374 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. 13.48/7.59 [2019-03-28 12:18:07,374 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.48/7.59 [2019-03-28 12:18:07,374 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. 13.48/7.59 [2019-03-28 12:18:07,374 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 13.48/7.59 [2019-03-28 12:18:07,374 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 13.48/7.59 [2019-03-28 12:18:07,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 13.48/7.59 [2019-03-28 12:18:07,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.48/7.59 [2019-03-28 12:18:07,375 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.48/7.59 [2019-03-28 12:18:07,375 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.48/7.59 [2019-03-28 12:18:07,375 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.48/7.59 [2019-03-28 12:18:07,375 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 13.48/7.59 [2019-03-28 12:18:07,375 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 13.48/7.59 [2019-03-28 12:18:07,375 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.48/7.59 [2019-03-28 12:18:07,375 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 13.48/7.59 [2019-03-28 12:18:07,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:18:07 BasicIcfg 13.48/7.59 [2019-03-28 12:18:07,381 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 13.48/7.59 [2019-03-28 12:18:07,382 INFO L168 Benchmark]: Toolchain (without parser) took 2052.07 ms. Allocated memory was 649.6 MB in the beginning and 686.8 MB in the end (delta: 37.2 MB). Free memory was 564.8 MB in the beginning and 518.6 MB in the end (delta: 46.2 MB). Peak memory consumption was 83.4 MB. Max. memory is 50.3 GB. 13.48/7.59 [2019-03-28 12:18:07,383 INFO L168 Benchmark]: CDTParser took 0.15 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. 13.48/7.59 [2019-03-28 12:18:07,384 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.76 ms. Allocated memory is still 649.6 MB. Free memory was 564.8 MB in the beginning and 554.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 13.48/7.59 [2019-03-28 12:18:07,385 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.18 ms. Allocated memory was 649.6 MB in the beginning and 686.8 MB in the end (delta: 37.2 MB). Free memory was 554.9 MB in the beginning and 653.7 MB in the end (delta: -98.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 50.3 GB. 13.48/7.59 [2019-03-28 12:18:07,385 INFO L168 Benchmark]: Boogie Preprocessor took 20.00 ms. Allocated memory is still 686.8 MB. Free memory was 653.7 MB in the beginning and 652.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 13.48/7.59 [2019-03-28 12:18:07,386 INFO L168 Benchmark]: RCFGBuilder took 218.48 ms. Allocated memory is still 686.8 MB. Free memory was 652.7 MB in the beginning and 637.4 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 50.3 GB. 13.48/7.59 [2019-03-28 12:18:07,387 INFO L168 Benchmark]: BlockEncodingV2 took 72.71 ms. Allocated memory is still 686.8 MB. Free memory was 637.4 MB in the beginning and 632.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.48/7.59 [2019-03-28 12:18:07,387 INFO L168 Benchmark]: TraceAbstraction took 152.79 ms. Allocated memory is still 686.8 MB. Free memory was 631.0 MB in the beginning and 622.3 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 13.48/7.59 [2019-03-28 12:18:07,388 INFO L168 Benchmark]: BuchiAutomizer took 1253.91 ms. Allocated memory is still 686.8 MB. Free memory was 622.3 MB in the beginning and 518.6 MB in the end (delta: 103.7 MB). Peak memory consumption was 103.7 MB. Max. memory is 50.3 GB. 13.48/7.59 [2019-03-28 12:18:07,392 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 13.48/7.59 --- Results --- 13.48/7.59 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 13.48/7.59 - StatisticsResult: Initial Icfg 13.48/7.59 8 locations, 10 edges 13.48/7.59 - StatisticsResult: Encoded RCFG 13.48/7.59 3 locations, 4 edges 13.48/7.59 * Results from de.uni_freiburg.informatik.ultimate.core: 13.48/7.59 - StatisticsResult: Toolchain Benchmarks 13.48/7.59 Benchmark results are: 13.48/7.59 * CDTParser took 0.15 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. 13.48/7.59 * CACSL2BoogieTranslator took 232.76 ms. Allocated memory is still 649.6 MB. Free memory was 564.8 MB in the beginning and 554.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 13.48/7.59 * Boogie Procedure Inliner took 96.18 ms. Allocated memory was 649.6 MB in the beginning and 686.8 MB in the end (delta: 37.2 MB). Free memory was 554.9 MB in the beginning and 653.7 MB in the end (delta: -98.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 50.3 GB. 13.48/7.59 * Boogie Preprocessor took 20.00 ms. Allocated memory is still 686.8 MB. Free memory was 653.7 MB in the beginning and 652.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 13.48/7.59 * RCFGBuilder took 218.48 ms. Allocated memory is still 686.8 MB. Free memory was 652.7 MB in the beginning and 637.4 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 50.3 GB. 13.48/7.59 * BlockEncodingV2 took 72.71 ms. Allocated memory is still 686.8 MB. Free memory was 637.4 MB in the beginning and 632.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.48/7.59 * TraceAbstraction took 152.79 ms. Allocated memory is still 686.8 MB. Free memory was 631.0 MB in the beginning and 622.3 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 13.48/7.59 * BuchiAutomizer took 1253.91 ms. Allocated memory is still 686.8 MB. Free memory was 622.3 MB in the beginning and 518.6 MB in the end (delta: 103.7 MB). Peak memory consumption was 103.7 MB. Max. memory is 50.3 GB. 13.48/7.59 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 13.48/7.59 - AllSpecificationsHoldResult: All specifications hold 13.48/7.59 We were not able to verify any specifiation because the program does not contain any specification. 13.48/7.59 - InvariantResult [Line: 6]: Loop Invariant 13.48/7.59 Derived loop invariant: 1 13.48/7.59 - StatisticsResult: Ultimate Automizer benchmark data 13.48/7.59 CFG has 1 procedures, 3 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=3occurred 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 13.48/7.59 - StatisticsResult: Constructed decomposition of program 13.48/7.59 Your program was decomposed into 3 terminating modules (1 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function x and consists of 2 locations. One nondeterministic module has affine ranking function x and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. 13.48/7.59 - StatisticsResult: Timing statistics 13.48/7.59 BüchiAutomizer plugin needed 1.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 3 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 7 SDslu, 0 SDs, 0 SdLazy, 5 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf89 lsp72 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie120 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 27ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s 13.48/7.59 - TerminationAnalysisResult: Termination proven 13.48/7.59 Buchi Automizer proved that your program is terminating 13.48/7.59 RESULT: Ultimate proved your program to be correct! 13.48/7.59 !SESSION 2019-03-28 12:18:01.594 ----------------------------------------------- 13.48/7.59 eclipse.buildId=unknown 13.48/7.59 java.version=1.8.0_181 13.48/7.59 java.vendor=Oracle Corporation 13.48/7.59 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 13.48/7.59 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 13.48/7.59 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 13.48/7.59 13.48/7.59 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:18:07.625 13.48/7.59 !MESSAGE The workspace will exit with unsaved changes in this session. 13.48/7.59 Received shutdown request... 13.48/7.59 Ultimate: 13.48/7.59 GTK+ Version Check 13.48/7.59 EOF