15.92/7.42 YES 15.92/7.42 15.92/7.42 Ultimate: Cannot open display: 15.92/7.42 This is Ultimate 0.1.24-8dc7c08-m 15.92/7.42 [2019-03-28 22:26:15,244 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.92/7.42 [2019-03-28 22:26:15,246 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.92/7.42 [2019-03-28 22:26:15,257 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.92/7.42 [2019-03-28 22:26:15,258 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.92/7.42 [2019-03-28 22:26:15,259 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.92/7.42 [2019-03-28 22:26:15,260 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.92/7.42 [2019-03-28 22:26:15,262 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.92/7.42 [2019-03-28 22:26:15,263 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.92/7.42 [2019-03-28 22:26:15,264 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.92/7.42 [2019-03-28 22:26:15,265 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.92/7.42 [2019-03-28 22:26:15,265 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.92/7.42 [2019-03-28 22:26:15,266 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.92/7.42 [2019-03-28 22:26:15,267 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.92/7.42 [2019-03-28 22:26:15,268 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.92/7.42 [2019-03-28 22:26:15,269 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.92/7.42 [2019-03-28 22:26:15,270 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.92/7.42 [2019-03-28 22:26:15,272 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.92/7.42 [2019-03-28 22:26:15,274 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.92/7.42 [2019-03-28 22:26:15,275 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.92/7.42 [2019-03-28 22:26:15,276 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.92/7.42 [2019-03-28 22:26:15,278 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.92/7.42 [2019-03-28 22:26:15,280 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.92/7.42 [2019-03-28 22:26:15,280 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.92/7.42 [2019-03-28 22:26:15,280 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.92/7.42 [2019-03-28 22:26:15,281 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.92/7.42 [2019-03-28 22:26:15,282 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.92/7.42 [2019-03-28 22:26:15,282 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.92/7.42 [2019-03-28 22:26:15,283 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.92/7.42 [2019-03-28 22:26:15,284 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.92/7.42 [2019-03-28 22:26:15,284 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.92/7.42 [2019-03-28 22:26:15,285 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.92/7.42 [2019-03-28 22:26:15,286 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.92/7.42 [2019-03-28 22:26:15,286 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.92/7.42 [2019-03-28 22:26:15,287 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.92/7.42 [2019-03-28 22:26:15,287 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.92/7.42 [2019-03-28 22:26:15,287 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.92/7.42 [2019-03-28 22:26:15,288 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.92/7.42 [2019-03-28 22:26:15,289 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.92/7.42 [2019-03-28 22:26:15,289 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 15.92/7.42 [2019-03-28 22:26:15,304 INFO L110 SettingsManager]: Loading preferences was successful 15.92/7.42 [2019-03-28 22:26:15,304 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.92/7.42 [2019-03-28 22:26:15,305 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.92/7.42 [2019-03-28 22:26:15,306 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.92/7.42 [2019-03-28 22:26:15,306 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.92/7.42 [2019-03-28 22:26:15,306 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.92/7.42 [2019-03-28 22:26:15,306 INFO L133 SettingsManager]: * Use SBE=true 15.92/7.42 [2019-03-28 22:26:15,306 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.92/7.42 [2019-03-28 22:26:15,307 INFO L133 SettingsManager]: * Use old map elimination=false 15.92/7.42 [2019-03-28 22:26:15,307 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.92/7.42 [2019-03-28 22:26:15,307 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.92/7.42 [2019-03-28 22:26:15,307 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.92/7.42 [2019-03-28 22:26:15,307 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.92/7.42 [2019-03-28 22:26:15,308 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.92/7.42 [2019-03-28 22:26:15,308 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.92/7.42 [2019-03-28 22:26:15,308 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.92/7.42 [2019-03-28 22:26:15,308 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.92/7.42 [2019-03-28 22:26:15,308 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.92/7.42 [2019-03-28 22:26:15,309 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.92/7.42 [2019-03-28 22:26:15,309 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.92/7.42 [2019-03-28 22:26:15,309 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.92/7.42 [2019-03-28 22:26:15,309 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.92/7.42 [2019-03-28 22:26:15,309 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.92/7.42 [2019-03-28 22:26:15,309 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.92/7.42 [2019-03-28 22:26:15,310 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.92/7.42 [2019-03-28 22:26:15,310 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.92/7.42 [2019-03-28 22:26:15,310 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.92/7.42 [2019-03-28 22:26:15,310 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.92/7.42 [2019-03-28 22:26:15,310 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.92/7.42 [2019-03-28 22:26:15,337 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.92/7.42 [2019-03-28 22:26:15,350 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.92/7.42 [2019-03-28 22:26:15,354 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.92/7.42 [2019-03-28 22:26:15,356 INFO L271 PluginConnector]: Initializing CDTParser... 15.92/7.42 [2019-03-28 22:26:15,356 INFO L276 PluginConnector]: CDTParser initialized 15.92/7.42 [2019-03-28 22:26:15,357 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 15.92/7.42 [2019-03-28 22:26:15,461 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/cef2c74ba8f5470e9441961448eba2cd/FLAGb272f0651 15.92/7.42 [2019-03-28 22:26:15,794 INFO L307 CDTParser]: Found 1 translation units. 15.92/7.42 [2019-03-28 22:26:15,794 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 15.92/7.42 [2019-03-28 22:26:15,801 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/cef2c74ba8f5470e9441961448eba2cd/FLAGb272f0651 15.92/7.42 [2019-03-28 22:26:16,204 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/cef2c74ba8f5470e9441961448eba2cd 15.92/7.42 [2019-03-28 22:26:16,216 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.92/7.42 [2019-03-28 22:26:16,217 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.92/7.42 [2019-03-28 22:26:16,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.92/7.42 [2019-03-28 22:26:16,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.92/7.42 [2019-03-28 22:26:16,222 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.92/7.42 [2019-03-28 22:26:16,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:26:16" (1/1) ... 15.92/7.42 [2019-03-28 22:26:16,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3589b6ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:26:16, skipping insertion in model container 15.92/7.42 [2019-03-28 22:26:16,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:26:16" (1/1) ... 15.92/7.42 [2019-03-28 22:26:16,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.92/7.42 [2019-03-28 22:26:16,251 INFO L176 MainTranslator]: Built tables and reachable declarations 15.92/7.42 [2019-03-28 22:26:16,411 INFO L206 PostProcessor]: Analyzing one entry point: main 15.92/7.42 [2019-03-28 22:26:16,415 INFO L191 MainTranslator]: Completed pre-run 15.92/7.42 [2019-03-28 22:26:16,432 INFO L206 PostProcessor]: Analyzing one entry point: main 15.92/7.42 [2019-03-28 22:26:16,447 INFO L195 MainTranslator]: Completed translation 15.92/7.42 [2019-03-28 22:26:16,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:26:16 WrapperNode 15.92/7.42 [2019-03-28 22:26:16,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.92/7.42 [2019-03-28 22:26:16,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.92/7.42 [2019-03-28 22:26:16,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.92/7.42 [2019-03-28 22:26:16,449 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.92/7.42 [2019-03-28 22:26:16,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:26:16" (1/1) ... 15.92/7.42 [2019-03-28 22:26:16,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:26:16" (1/1) ... 15.92/7.42 [2019-03-28 22:26:16,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.92/7.42 [2019-03-28 22:26:16,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.92/7.42 [2019-03-28 22:26:16,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.92/7.42 [2019-03-28 22:26:16,555 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.92/7.42 [2019-03-28 22:26:16,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:26:16" (1/1) ... 15.92/7.42 [2019-03-28 22:26:16,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:26:16" (1/1) ... 15.92/7.42 [2019-03-28 22:26:16,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:26:16" (1/1) ... 15.92/7.42 [2019-03-28 22:26:16,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:26:16" (1/1) ... 15.92/7.42 [2019-03-28 22:26:16,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:26:16" (1/1) ... 15.92/7.42 [2019-03-28 22:26:16,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:26:16" (1/1) ... 15.92/7.42 [2019-03-28 22:26:16,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:26:16" (1/1) ... 15.92/7.42 [2019-03-28 22:26:16,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.92/7.42 [2019-03-28 22:26:16,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.92/7.42 [2019-03-28 22:26:16,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.92/7.42 [2019-03-28 22:26:16,576 INFO L276 PluginConnector]: RCFGBuilder initialized 15.92/7.42 [2019-03-28 22:26:16,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:26:16" (1/1) ... 15.92/7.42 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.92/7.42 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.92/7.42 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.92/7.42 [2019-03-28 22:26:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.92/7.42 [2019-03-28 22:26:16,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.92/7.42 [2019-03-28 22:26:16,775 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.92/7.42 [2019-03-28 22:26:16,775 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 15.92/7.42 [2019-03-28 22:26:16,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:26:16 BoogieIcfgContainer 15.92/7.42 [2019-03-28 22:26:16,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.92/7.42 [2019-03-28 22:26:16,778 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.92/7.42 [2019-03-28 22:26:16,778 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.92/7.42 [2019-03-28 22:26:16,780 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.92/7.42 [2019-03-28 22:26:16,781 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:26:16" (1/1) ... 15.92/7.42 [2019-03-28 22:26:16,798 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 10 edges 15.92/7.42 [2019-03-28 22:26:16,800 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.92/7.42 [2019-03-28 22:26:16,801 INFO L263 BlockEncoder]: Using Maximize final states 15.92/7.42 [2019-03-28 22:26:16,802 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.92/7.42 [2019-03-28 22:26:16,802 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.92/7.42 [2019-03-28 22:26:16,804 INFO L296 BlockEncoder]: Using Remove sink states 15.92/7.42 [2019-03-28 22:26:16,805 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.92/7.42 [2019-03-28 22:26:16,805 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.92/7.42 [2019-03-28 22:26:16,821 INFO L185 BlockEncoder]: Using Use SBE 15.92/7.42 [2019-03-28 22:26:16,834 INFO L200 BlockEncoder]: SBE split 1 edges 15.92/7.42 [2019-03-28 22:26:16,839 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 15.92/7.42 [2019-03-28 22:26:16,841 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.92/7.42 [2019-03-28 22:26:16,855 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 15.92/7.42 [2019-03-28 22:26:16,857 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 15.92/7.42 [2019-03-28 22:26:16,859 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.92/7.42 [2019-03-28 22:26:16,859 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.92/7.42 [2019-03-28 22:26:16,859 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.92/7.42 [2019-03-28 22:26:16,859 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.92/7.42 [2019-03-28 22:26:16,860 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 6 edges 15.92/7.42 [2019-03-28 22:26:16,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:26:16 BasicIcfg 15.92/7.42 [2019-03-28 22:26:16,860 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.92/7.42 [2019-03-28 22:26:16,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.92/7.42 [2019-03-28 22:26:16,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.92/7.42 [2019-03-28 22:26:16,865 INFO L276 PluginConnector]: TraceAbstraction initialized 15.92/7.42 [2019-03-28 22:26:16,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:26:16" (1/4) ... 15.92/7.42 [2019-03-28 22:26:16,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62385f15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:26:16, skipping insertion in model container 15.92/7.42 [2019-03-28 22:26:16,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:26:16" (2/4) ... 15.92/7.42 [2019-03-28 22:26:16,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62385f15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:26:16, skipping insertion in model container 15.92/7.42 [2019-03-28 22:26:16,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:26:16" (3/4) ... 15.92/7.42 [2019-03-28 22:26:16,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62385f15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:26:16, skipping insertion in model container 15.92/7.42 [2019-03-28 22:26:16,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:26:16" (4/4) ... 15.92/7.42 [2019-03-28 22:26:16,870 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.92/7.42 [2019-03-28 22:26:16,880 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.92/7.42 [2019-03-28 22:26:16,888 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.92/7.42 [2019-03-28 22:26:16,906 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.92/7.42 [2019-03-28 22:26:16,934 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.92/7.42 [2019-03-28 22:26:16,935 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.92/7.42 [2019-03-28 22:26:16,935 INFO L383 AbstractCegarLoop]: Hoare is true 15.92/7.42 [2019-03-28 22:26:16,935 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.92/7.42 [2019-03-28 22:26:16,935 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.92/7.42 [2019-03-28 22:26:16,936 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.92/7.42 [2019-03-28 22:26:16,936 INFO L387 AbstractCegarLoop]: Difference is false 15.92/7.42 [2019-03-28 22:26:16,936 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.92/7.42 [2019-03-28 22:26:16,936 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.92/7.42 [2019-03-28 22:26:16,950 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. 15.92/7.42 [2019-03-28 22:26:16,956 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.92/7.42 [2019-03-28 22:26:16,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. 15.92/7.42 [2019-03-28 22:26:17,008 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.92/7.42 [2019-03-28 22:26:17,008 INFO L448 ceAbstractionStarter]: For program point L12(lines 12 16) no Hoare annotation was computed. 15.92/7.42 [2019-03-28 22:26:17,009 INFO L448 ceAbstractionStarter]: For program point L12-2(lines 12 16) no Hoare annotation was computed. 15.92/7.42 [2019-03-28 22:26:17,009 INFO L451 ceAbstractionStarter]: At program point L11-2(lines 11 18) the Hoare annotation is: true 15.92/7.42 [2019-03-28 22:26:17,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:26:17 BasicIcfg 15.92/7.42 [2019-03-28 22:26:17,018 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.92/7.42 [2019-03-28 22:26:17,018 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.92/7.42 [2019-03-28 22:26:17,019 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.92/7.42 [2019-03-28 22:26:17,022 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.92/7.42 [2019-03-28 22:26:17,023 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.92/7.42 [2019-03-28 22:26:17,023 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:26:16" (1/5) ... 15.92/7.42 [2019-03-28 22:26:17,024 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@269d73e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:26:17, skipping insertion in model container 15.92/7.42 [2019-03-28 22:26:17,024 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.92/7.42 [2019-03-28 22:26:17,024 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:26:16" (2/5) ... 15.92/7.42 [2019-03-28 22:26:17,024 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@269d73e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:26:17, skipping insertion in model container 15.92/7.42 [2019-03-28 22:26:17,024 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.92/7.42 [2019-03-28 22:26:17,025 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:26:16" (3/5) ... 15.92/7.42 [2019-03-28 22:26:17,025 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@269d73e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:26:17, skipping insertion in model container 15.92/7.42 [2019-03-28 22:26:17,025 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.92/7.42 [2019-03-28 22:26:17,025 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:26:16" (4/5) ... 15.92/7.42 [2019-03-28 22:26:17,026 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@269d73e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:26:17, skipping insertion in model container 15.92/7.42 [2019-03-28 22:26:17,026 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.92/7.42 [2019-03-28 22:26:17,026 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:26:17" (5/5) ... 15.92/7.42 [2019-03-28 22:26:17,027 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.92/7.42 [2019-03-28 22:26:17,056 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.92/7.42 [2019-03-28 22:26:17,057 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.92/7.42 [2019-03-28 22:26:17,057 INFO L375 BuchiCegarLoop]: Hoare is true 15.92/7.42 [2019-03-28 22:26:17,057 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.92/7.42 [2019-03-28 22:26:17,057 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.92/7.42 [2019-03-28 22:26:17,057 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.92/7.42 [2019-03-28 22:26:17,057 INFO L379 BuchiCegarLoop]: Difference is false 15.92/7.42 [2019-03-28 22:26:17,058 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.92/7.42 [2019-03-28 22:26:17,058 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.92/7.42 [2019-03-28 22:26:17,061 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 15.92/7.42 [2019-03-28 22:26:17,078 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.92/7.42 [2019-03-28 22:26:17,079 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.92/7.42 [2019-03-28 22:26:17,079 INFO L119 BuchiIsEmpty]: Starting construction of run 15.92/7.42 [2019-03-28 22:26:17,084 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.92/7.42 [2019-03-28 22:26:17,085 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.92/7.42 [2019-03-28 22:26:17,085 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.92/7.42 [2019-03-28 22:26:17,085 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 15.92/7.42 [2019-03-28 22:26:17,085 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.92/7.42 [2019-03-28 22:26:17,086 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.92/7.42 [2019-03-28 22:26:17,086 INFO L119 BuchiIsEmpty]: Starting construction of run 15.92/7.42 [2019-03-28 22:26:17,086 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.92/7.42 [2019-03-28 22:26:17,086 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.92/7.42 [2019-03-28 22:26:17,091 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [26] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 6#L11-2true 15.92/7.42 [2019-03-28 22:26:17,092 INFO L796 eck$LassoCheckResult]: Loop: 6#L11-2true [37] L11-2-->L12: Formula: (< v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_7) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 5#L12true [36] L12-->L12-2: Formula: (and (>= v_ULTIMATE.start_main_~y~0_10 v_ULTIMATE.start_main_~x~0_10) (= v_ULTIMATE.start_main_~x~0_9 (+ v_ULTIMATE.start_main_~x~0_10 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 3#L12-2true [25] L12-2-->L11-2: Formula: (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0] 6#L11-2true 15.92/7.42 [2019-03-28 22:26:17,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.92/7.42 [2019-03-28 22:26:17,098 INFO L82 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times 15.92/7.42 [2019-03-28 22:26:17,100 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.92/7.42 [2019-03-28 22:26:17,101 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.92/7.42 [2019-03-28 22:26:17,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:17,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:17,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.92/7.42 [2019-03-28 22:26:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.92/7.42 [2019-03-28 22:26:17,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.92/7.42 [2019-03-28 22:26:17,176 INFO L82 PathProgramCache]: Analyzing trace with hash 66489, now seen corresponding path program 1 times 15.92/7.42 [2019-03-28 22:26:17,176 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.92/7.42 [2019-03-28 22:26:17,176 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.92/7.42 [2019-03-28 22:26:17,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:17,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:17,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.92/7.42 [2019-03-28 22:26:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.92/7.42 [2019-03-28 22:26:17,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.92/7.42 [2019-03-28 22:26:17,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1734785, now seen corresponding path program 1 times 15.92/7.42 [2019-03-28 22:26:17,193 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.92/7.42 [2019-03-28 22:26:17,193 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.92/7.42 [2019-03-28 22:26:17,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:17,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:17,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.92/7.42 [2019-03-28 22:26:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.92/7.42 [2019-03-28 22:26:17,255 INFO L216 LassoAnalysis]: Preferences: 15.92/7.42 [2019-03-28 22:26:17,256 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.92/7.42 [2019-03-28 22:26:17,256 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.92/7.42 [2019-03-28 22:26:17,256 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.92/7.42 [2019-03-28 22:26:17,257 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.92/7.42 [2019-03-28 22:26:17,257 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.92/7.42 [2019-03-28 22:26:17,257 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.92/7.42 [2019-03-28 22:26:17,257 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.92/7.42 [2019-03-28 22:26:17,257 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.92/7.42 [2019-03-28 22:26:17,257 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.92/7.42 [2019-03-28 22:26:17,258 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.92/7.42 [2019-03-28 22:26:17,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.92/7.42 [2019-03-28 22:26:17,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.92/7.42 [2019-03-28 22:26:17,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.92/7.42 [2019-03-28 22:26:17,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.92/7.42 [2019-03-28 22:26:17,375 INFO L300 LassoAnalysis]: Preprocessing complete. 15.92/7.42 [2019-03-28 22:26:17,376 INFO L412 LassoAnalysis]: Checking for nontermination... 15.92/7.42 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.92/7.42 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.92/7.42 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.92/7.42 [2019-03-28 22:26:17,407 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.92/7.42 [2019-03-28 22:26:17,407 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.92/7.42 [2019-03-28 22:26:17,440 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.92/7.42 [2019-03-28 22:26:17,441 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: [] 15.92/7.42 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.92/7.42 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.92/7.42 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.92/7.42 [2019-03-28 22:26:17,446 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.92/7.42 [2019-03-28 22:26:17,446 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.92/7.42 [2019-03-28 22:26:17,473 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.92/7.42 [2019-03-28 22:26:17,474 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: [] 15.92/7.42 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.92/7.42 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.92/7.42 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.92/7.42 [2019-03-28 22:26:17,478 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.92/7.42 [2019-03-28 22:26:17,478 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.92/7.42 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.92/7.42 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.92/7.42 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.92/7.42 [2019-03-28 22:26:17,511 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.92/7.42 [2019-03-28 22:26:17,512 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.92/7.42 [2019-03-28 22:26:17,701 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.92/7.42 [2019-03-28 22:26:17,704 INFO L216 LassoAnalysis]: Preferences: 15.92/7.42 [2019-03-28 22:26:17,704 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.92/7.42 [2019-03-28 22:26:17,704 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.92/7.42 [2019-03-28 22:26:17,704 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.92/7.42 [2019-03-28 22:26:17,704 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.92/7.42 [2019-03-28 22:26:17,705 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.92/7.42 [2019-03-28 22:26:17,705 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.92/7.42 [2019-03-28 22:26:17,705 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.92/7.42 [2019-03-28 22:26:17,705 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.92/7.42 [2019-03-28 22:26:17,705 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.92/7.42 [2019-03-28 22:26:17,705 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.92/7.42 [2019-03-28 22:26:17,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.92/7.42 [2019-03-28 22:26:17,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.92/7.42 [2019-03-28 22:26:17,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.92/7.42 [2019-03-28 22:26:17,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.92/7.42 [2019-03-28 22:26:17,817 INFO L300 LassoAnalysis]: Preprocessing complete. 15.92/7.42 [2019-03-28 22:26:17,823 INFO L497 LassoAnalysis]: Using template 'affine'. 15.92/7.42 [2019-03-28 22:26:17,825 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.92/7.42 Termination analysis: LINEAR_WITH_GUESSES 15.92/7.42 Number of strict supporting invariants: 0 15.92/7.42 Number of non-strict supporting invariants: 1 15.92/7.42 Consider only non-deceasing supporting invariants: true 15.92/7.42 Simplify termination arguments: true 15.92/7.42 Simplify supporting invariants: trueOverapproximate stem: false 15.92/7.42 [2019-03-28 22:26:17,827 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.92/7.42 [2019-03-28 22:26:17,827 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.92/7.42 [2019-03-28 22:26:17,827 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.92/7.42 [2019-03-28 22:26:17,828 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.92/7.42 [2019-03-28 22:26:17,832 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.92/7.42 [2019-03-28 22:26:17,832 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.92/7.42 [2019-03-28 22:26:17,839 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.92/7.42 [2019-03-28 22:26:17,840 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.92/7.42 Termination analysis: LINEAR_WITH_GUESSES 15.92/7.42 Number of strict supporting invariants: 0 15.92/7.42 Number of non-strict supporting invariants: 1 15.92/7.42 Consider only non-deceasing supporting invariants: true 15.92/7.42 Simplify termination arguments: true 15.92/7.42 Simplify supporting invariants: trueOverapproximate stem: false 15.92/7.42 [2019-03-28 22:26:17,841 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.92/7.42 [2019-03-28 22:26:17,841 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.92/7.42 [2019-03-28 22:26:17,842 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.92/7.42 [2019-03-28 22:26:17,842 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.92/7.42 [2019-03-28 22:26:17,842 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.92/7.42 [2019-03-28 22:26:17,843 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.92/7.42 [2019-03-28 22:26:17,843 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.92/7.42 [2019-03-28 22:26:17,849 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.92/7.42 [2019-03-28 22:26:17,857 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 15.92/7.42 [2019-03-28 22:26:17,858 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 15.92/7.42 [2019-03-28 22:26:17,860 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.92/7.42 [2019-03-28 22:26:17,860 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.92/7.42 [2019-03-28 22:26:17,861 INFO L518 LassoAnalysis]: Proved termination. 15.92/7.42 [2019-03-28 22:26:17,861 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.92/7.42 Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~y~0 - 1*ULTIMATE.start_main_~x~0 15.92/7.42 Supporting invariants [] 15.92/7.42 [2019-03-28 22:26:17,863 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.92/7.42 [2019-03-28 22:26:17,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.92/7.42 [2019-03-28 22:26:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.92/7.42 [2019-03-28 22:26:17,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 15.92/7.42 [2019-03-28 22:26:17,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.92/7.42 [2019-03-28 22:26:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.92/7.42 [2019-03-28 22:26:17,926 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 15.92/7.42 [2019-03-28 22:26:17,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.92/7.42 [2019-03-28 22:26:17,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.92/7.42 [2019-03-28 22:26:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.92/7.42 [2019-03-28 22:26:17,981 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 15.92/7.42 [2019-03-28 22:26:17,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.92/7.42 [2019-03-28 22:26:17,983 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 15.92/7.42 [2019-03-28 22:26:17,988 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates 15.92/7.42 [2019-03-28 22:26:17,989 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states. Second operand 4 states. 15.92/7.42 [2019-03-28 22:26:18,062 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states.. Second operand 4 states. Result 20 states and 31 transitions. Complement of second has 6 states. 15.92/7.42 [2019-03-28 22:26:18,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states 15.92/7.42 [2019-03-28 22:26:18,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 15.92/7.42 [2019-03-28 22:26:18,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. 15.92/7.42 [2019-03-28 22:26:18,067 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 1 letters. Loop has 3 letters. 15.92/7.42 [2019-03-28 22:26:18,069 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.92/7.42 [2019-03-28 22:26:18,069 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 3 letters. 15.92/7.42 [2019-03-28 22:26:18,070 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.92/7.42 [2019-03-28 22:26:18,070 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 1 letters. Loop has 6 letters. 15.92/7.42 [2019-03-28 22:26:18,070 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.92/7.42 [2019-03-28 22:26:18,076 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 31 transitions. 15.92/7.42 [2019-03-28 22:26:18,078 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 15.92/7.42 [2019-03-28 22:26:18,084 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 31 transitions. 15.92/7.42 [2019-03-28 22:26:18,085 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 15.92/7.42 [2019-03-28 22:26:18,085 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 15.92/7.42 [2019-03-28 22:26:18,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 31 transitions. 15.92/7.42 [2019-03-28 22:26:18,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.92/7.42 [2019-03-28 22:26:18,086 INFO L706 BuchiCegarLoop]: Abstraction has 20 states and 31 transitions. 15.92/7.42 [2019-03-28 22:26:18,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 31 transitions. 15.92/7.42 [2019-03-28 22:26:18,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. 15.92/7.42 [2019-03-28 22:26:18,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. 15.92/7.42 [2019-03-28 22:26:18,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 28 transitions. 15.92/7.42 [2019-03-28 22:26:18,117 INFO L729 BuchiCegarLoop]: Abstraction has 17 states and 28 transitions. 15.92/7.42 [2019-03-28 22:26:18,118 INFO L609 BuchiCegarLoop]: Abstraction has 17 states and 28 transitions. 15.92/7.42 [2019-03-28 22:26:18,118 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.92/7.42 [2019-03-28 22:26:18,118 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 28 transitions. 15.92/7.42 [2019-03-28 22:26:18,119 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 15.92/7.42 [2019-03-28 22:26:18,119 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.92/7.42 [2019-03-28 22:26:18,119 INFO L119 BuchiIsEmpty]: Starting construction of run 15.92/7.42 [2019-03-28 22:26:18,120 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 15.92/7.42 [2019-03-28 22:26:18,120 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.92/7.42 [2019-03-28 22:26:18,120 INFO L794 eck$LassoCheckResult]: Stem: 74#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 75#L11-2 [37] L11-2-->L12: Formula: (< v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_7) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 80#L12 15.92/7.42 [2019-03-28 22:26:18,120 INFO L796 eck$LassoCheckResult]: Loop: 80#L12 [27] L12-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~y~0_9 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~y~0_8 (+ v_ULTIMATE.start_main_~y~0_9 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 70#L12-2 [25] L12-2-->L11-2: Formula: (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0] 71#L11-2 [37] L11-2-->L12: Formula: (< v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_7) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 80#L12 15.92/7.42 [2019-03-28 22:26:18,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.92/7.42 [2019-03-28 22:26:18,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1804, now seen corresponding path program 1 times 15.92/7.42 [2019-03-28 22:26:18,121 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.92/7.42 [2019-03-28 22:26:18,121 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.92/7.42 [2019-03-28 22:26:18,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:18,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:18,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.92/7.42 [2019-03-28 22:26:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.92/7.42 [2019-03-28 22:26:18,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.92/7.42 [2019-03-28 22:26:18,129 INFO L82 PathProgramCache]: Analyzing trace with hash 56550, now seen corresponding path program 1 times 15.92/7.42 [2019-03-28 22:26:18,129 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.92/7.42 [2019-03-28 22:26:18,130 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.92/7.42 [2019-03-28 22:26:18,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:18,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:18,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.92/7.42 [2019-03-28 22:26:18,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.92/7.42 [2019-03-28 22:26:18,167 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 15.92/7.42 [2019-03-28 22:26:18,167 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 15.92/7.42 [2019-03-28 22:26:18,169 INFO L811 eck$LassoCheckResult]: loop already infeasible 15.92/7.42 [2019-03-28 22:26:18,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 15.92/7.42 [2019-03-28 22:26:18,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 15.92/7.42 [2019-03-28 22:26:18,173 INFO L87 Difference]: Start difference. First operand 17 states and 28 transitions. cyclomatic complexity: 14 Second operand 3 states. 15.92/7.42 [2019-03-28 22:26:18,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.92/7.42 [2019-03-28 22:26:18,190 INFO L93 Difference]: Finished difference Result 20 states and 29 transitions. 15.92/7.42 [2019-03-28 22:26:18,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 15.92/7.42 [2019-03-28 22:26:18,192 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 29 transitions. 15.92/7.42 [2019-03-28 22:26:18,193 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.92/7.42 [2019-03-28 22:26:18,194 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 17 states and 25 transitions. 15.92/7.42 [2019-03-28 22:26:18,194 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 15.92/7.42 [2019-03-28 22:26:18,195 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 15.92/7.42 [2019-03-28 22:26:18,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 25 transitions. 15.92/7.42 [2019-03-28 22:26:18,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.92/7.42 [2019-03-28 22:26:18,195 INFO L706 BuchiCegarLoop]: Abstraction has 17 states and 25 transitions. 15.92/7.42 [2019-03-28 22:26:18,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 25 transitions. 15.92/7.42 [2019-03-28 22:26:18,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. 15.92/7.42 [2019-03-28 22:26:18,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. 15.92/7.42 [2019-03-28 22:26:18,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 24 transitions. 15.92/7.42 [2019-03-28 22:26:18,197 INFO L729 BuchiCegarLoop]: Abstraction has 16 states and 24 transitions. 15.92/7.42 [2019-03-28 22:26:18,198 INFO L609 BuchiCegarLoop]: Abstraction has 16 states and 24 transitions. 15.92/7.42 [2019-03-28 22:26:18,198 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 15.92/7.42 [2019-03-28 22:26:18,198 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 24 transitions. 15.92/7.42 [2019-03-28 22:26:18,199 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.92/7.42 [2019-03-28 22:26:18,199 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.92/7.42 [2019-03-28 22:26:18,199 INFO L119 BuchiIsEmpty]: Starting construction of run 15.92/7.42 [2019-03-28 22:26:18,199 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 15.92/7.42 [2019-03-28 22:26:18,199 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.92/7.42 [2019-03-28 22:26:18,200 INFO L794 eck$LassoCheckResult]: Stem: 118#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 119#L11-2 [38] L11-2-->L12: Formula: (> v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_7) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 120#L12 [27] L12-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~y~0_9 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~y~0_8 (+ v_ULTIMATE.start_main_~y~0_9 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 113#L12-2 15.92/7.42 [2019-03-28 22:26:18,200 INFO L796 eck$LassoCheckResult]: Loop: 113#L12-2 [25] L12-2-->L11-2: Formula: (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0] 114#L11-2 [38] L11-2-->L12: Formula: (> v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_7) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 123#L12 [36] L12-->L12-2: Formula: (and (>= v_ULTIMATE.start_main_~y~0_10 v_ULTIMATE.start_main_~x~0_10) (= v_ULTIMATE.start_main_~x~0_9 (+ v_ULTIMATE.start_main_~x~0_10 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 113#L12-2 15.92/7.42 [2019-03-28 22:26:18,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.92/7.42 [2019-03-28 22:26:18,200 INFO L82 PathProgramCache]: Analyzing trace with hash 55982, now seen corresponding path program 1 times 15.92/7.42 [2019-03-28 22:26:18,201 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.92/7.42 [2019-03-28 22:26:18,201 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.92/7.42 [2019-03-28 22:26:18,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:18,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:18,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.92/7.42 [2019-03-28 22:26:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.92/7.42 [2019-03-28 22:26:18,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.92/7.42 [2019-03-28 22:26:18,210 INFO L82 PathProgramCache]: Analyzing trace with hash 55030, now seen corresponding path program 1 times 15.92/7.42 [2019-03-28 22:26:18,210 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.92/7.42 [2019-03-28 22:26:18,210 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.92/7.42 [2019-03-28 22:26:18,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:18,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:18,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.92/7.42 [2019-03-28 22:26:18,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.92/7.42 [2019-03-28 22:26:18,221 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 15.92/7.42 [2019-03-28 22:26:18,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 15.92/7.42 [2019-03-28 22:26:18,222 INFO L811 eck$LassoCheckResult]: loop already infeasible 15.92/7.42 [2019-03-28 22:26:18,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 15.92/7.42 [2019-03-28 22:26:18,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 15.92/7.42 [2019-03-28 22:26:18,223 INFO L87 Difference]: Start difference. First operand 16 states and 24 transitions. cyclomatic complexity: 11 Second operand 3 states. 15.92/7.42 [2019-03-28 22:26:18,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.92/7.42 [2019-03-28 22:26:18,233 INFO L93 Difference]: Finished difference Result 14 states and 18 transitions. 15.92/7.42 [2019-03-28 22:26:18,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 15.92/7.42 [2019-03-28 22:26:18,235 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 18 transitions. 15.92/7.42 [2019-03-28 22:26:18,236 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.92/7.42 [2019-03-28 22:26:18,237 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 13 states and 16 transitions. 15.92/7.42 [2019-03-28 22:26:18,237 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 15.92/7.42 [2019-03-28 22:26:18,237 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 15.92/7.42 [2019-03-28 22:26:18,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. 15.92/7.42 [2019-03-28 22:26:18,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.92/7.42 [2019-03-28 22:26:18,238 INFO L706 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. 15.92/7.42 [2019-03-28 22:26:18,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. 15.92/7.42 [2019-03-28 22:26:18,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 8. 15.92/7.42 [2019-03-28 22:26:18,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. 15.92/7.42 [2019-03-28 22:26:18,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. 15.92/7.42 [2019-03-28 22:26:18,239 INFO L729 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. 15.92/7.42 [2019-03-28 22:26:18,239 INFO L609 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. 15.92/7.42 [2019-03-28 22:26:18,239 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 15.92/7.42 [2019-03-28 22:26:18,239 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. 15.92/7.42 [2019-03-28 22:26:18,240 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.92/7.42 [2019-03-28 22:26:18,240 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.92/7.42 [2019-03-28 22:26:18,240 INFO L119 BuchiIsEmpty]: Starting construction of run 15.92/7.42 [2019-03-28 22:26:18,240 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 15.92/7.42 [2019-03-28 22:26:18,241 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.92/7.42 [2019-03-28 22:26:18,241 INFO L794 eck$LassoCheckResult]: Stem: 153#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 154#L11-2 [38] L11-2-->L12: Formula: (> v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_7) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 155#L12 15.92/7.42 [2019-03-28 22:26:18,241 INFO L796 eck$LassoCheckResult]: Loop: 155#L12 [27] L12-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~y~0_9 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~y~0_8 (+ v_ULTIMATE.start_main_~y~0_9 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 149#L12-2 [25] L12-2-->L11-2: Formula: (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0] 150#L11-2 [38] L11-2-->L12: Formula: (> v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_7) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 155#L12 15.92/7.42 [2019-03-28 22:26:18,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.92/7.42 [2019-03-28 22:26:18,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1805, now seen corresponding path program 1 times 15.92/7.42 [2019-03-28 22:26:18,242 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.92/7.42 [2019-03-28 22:26:18,242 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.92/7.42 [2019-03-28 22:26:18,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:18,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:18,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.92/7.42 [2019-03-28 22:26:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.92/7.42 [2019-03-28 22:26:18,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.92/7.42 [2019-03-28 22:26:18,248 INFO L82 PathProgramCache]: Analyzing trace with hash 56551, now seen corresponding path program 1 times 15.92/7.42 [2019-03-28 22:26:18,249 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.92/7.42 [2019-03-28 22:26:18,249 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.92/7.42 [2019-03-28 22:26:18,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:18,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:18,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.92/7.42 [2019-03-28 22:26:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.92/7.42 [2019-03-28 22:26:18,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.92/7.42 [2019-03-28 22:26:18,256 INFO L82 PathProgramCache]: Analyzing trace with hash 53799515, now seen corresponding path program 1 times 15.92/7.42 [2019-03-28 22:26:18,256 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.92/7.42 [2019-03-28 22:26:18,256 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.92/7.42 [2019-03-28 22:26:18,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:18,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:18,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.92/7.42 [2019-03-28 22:26:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.92/7.42 [2019-03-28 22:26:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.92/7.42 [2019-03-28 22:26:18,286 INFO L216 LassoAnalysis]: Preferences: 15.92/7.42 [2019-03-28 22:26:18,286 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.92/7.42 [2019-03-28 22:26:18,286 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.92/7.42 [2019-03-28 22:26:18,287 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.92/7.42 [2019-03-28 22:26:18,287 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.92/7.42 [2019-03-28 22:26:18,287 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.92/7.42 [2019-03-28 22:26:18,287 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.92/7.42 [2019-03-28 22:26:18,287 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.92/7.42 [2019-03-28 22:26:18,287 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 15.92/7.42 [2019-03-28 22:26:18,287 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.92/7.42 [2019-03-28 22:26:18,288 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.92/7.42 [2019-03-28 22:26:18,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.92/7.42 [2019-03-28 22:26:18,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.92/7.42 [2019-03-28 22:26:18,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.92/7.42 [2019-03-28 22:26:18,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.92/7.42 [2019-03-28 22:26:18,352 INFO L300 LassoAnalysis]: Preprocessing complete. 15.92/7.42 [2019-03-28 22:26:18,352 INFO L412 LassoAnalysis]: Checking for nontermination... 15.92/7.42 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.92/7.42 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.92/7.42 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.92/7.42 [2019-03-28 22:26:18,356 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.92/7.42 [2019-03-28 22:26:18,356 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.92/7.42 [2019-03-28 22:26:18,385 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.92/7.42 [2019-03-28 22:26:18,385 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.92/7.42 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.92/7.42 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.92/7.42 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.92/7.42 [2019-03-28 22:26:18,391 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.92/7.42 [2019-03-28 22:26:18,391 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.92/7.42 [2019-03-28 22:26:18,419 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.92/7.42 [2019-03-28 22:26:18,419 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.92/7.42 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.92/7.42 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.92/7.42 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.92/7.42 [2019-03-28 22:26:18,425 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.92/7.42 [2019-03-28 22:26:18,425 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.92/7.42 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.92/7.42 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.92/7.42 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.92/7.42 [2019-03-28 22:26:18,457 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.92/7.42 [2019-03-28 22:26:18,457 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.92/7.42 [2019-03-28 22:26:18,949 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.92/7.42 [2019-03-28 22:26:18,952 INFO L216 LassoAnalysis]: Preferences: 15.92/7.42 [2019-03-28 22:26:18,952 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.92/7.42 [2019-03-28 22:26:18,952 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.92/7.42 [2019-03-28 22:26:18,952 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.92/7.42 [2019-03-28 22:26:18,952 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.92/7.42 [2019-03-28 22:26:18,953 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.92/7.42 [2019-03-28 22:26:18,953 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.92/7.42 [2019-03-28 22:26:18,953 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.92/7.42 [2019-03-28 22:26:18,953 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 15.92/7.42 [2019-03-28 22:26:18,953 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.92/7.42 [2019-03-28 22:26:18,953 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.92/7.42 [2019-03-28 22:26:18,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.92/7.42 [2019-03-28 22:26:18,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.92/7.42 [2019-03-28 22:26:18,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.92/7.42 [2019-03-28 22:26:18,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.92/7.42 [2019-03-28 22:26:19,023 INFO L300 LassoAnalysis]: Preprocessing complete. 15.92/7.42 [2019-03-28 22:26:19,023 INFO L497 LassoAnalysis]: Using template 'affine'. 15.92/7.42 [2019-03-28 22:26:19,024 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.92/7.42 Termination analysis: LINEAR_WITH_GUESSES 15.92/7.42 Number of strict supporting invariants: 0 15.92/7.42 Number of non-strict supporting invariants: 1 15.92/7.42 Consider only non-deceasing supporting invariants: true 15.92/7.42 Simplify termination arguments: true 15.92/7.42 Simplify supporting invariants: trueOverapproximate stem: false 15.92/7.42 [2019-03-28 22:26:19,025 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.92/7.42 [2019-03-28 22:26:19,025 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.92/7.42 [2019-03-28 22:26:19,025 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.92/7.42 [2019-03-28 22:26:19,025 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.92/7.42 [2019-03-28 22:26:19,027 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.92/7.42 [2019-03-28 22:26:19,028 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.92/7.42 [2019-03-28 22:26:19,031 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.92/7.42 [2019-03-28 22:26:19,032 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.92/7.42 Termination analysis: LINEAR_WITH_GUESSES 15.92/7.42 Number of strict supporting invariants: 0 15.92/7.42 Number of non-strict supporting invariants: 1 15.92/7.42 Consider only non-deceasing supporting invariants: true 15.92/7.42 Simplify termination arguments: true 15.92/7.42 Simplify supporting invariants: trueOverapproximate stem: false 15.92/7.42 [2019-03-28 22:26:19,032 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.92/7.42 [2019-03-28 22:26:19,032 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.92/7.42 [2019-03-28 22:26:19,032 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.92/7.42 [2019-03-28 22:26:19,033 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.92/7.42 [2019-03-28 22:26:19,034 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.92/7.42 [2019-03-28 22:26:19,035 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.92/7.42 [2019-03-28 22:26:19,040 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.92/7.42 [2019-03-28 22:26:19,041 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.92/7.42 Termination analysis: LINEAR_WITH_GUESSES 15.92/7.42 Number of strict supporting invariants: 0 15.92/7.42 Number of non-strict supporting invariants: 1 15.92/7.42 Consider only non-deceasing supporting invariants: true 15.92/7.42 Simplify termination arguments: true 15.92/7.42 Simplify supporting invariants: trueOverapproximate stem: false 15.92/7.42 [2019-03-28 22:26:19,042 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.92/7.42 [2019-03-28 22:26:19,042 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.92/7.42 [2019-03-28 22:26:19,042 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.92/7.42 [2019-03-28 22:26:19,042 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.92/7.42 [2019-03-28 22:26:19,042 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.92/7.42 [2019-03-28 22:26:19,043 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.92/7.42 [2019-03-28 22:26:19,043 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.92/7.42 [2019-03-28 22:26:19,047 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.92/7.42 [2019-03-28 22:26:19,051 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.92/7.42 [2019-03-28 22:26:19,051 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 15.92/7.42 [2019-03-28 22:26:19,052 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.92/7.42 [2019-03-28 22:26:19,052 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.92/7.42 [2019-03-28 22:26:19,052 INFO L518 LassoAnalysis]: Proved termination. 15.92/7.42 [2019-03-28 22:26:19,052 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.92/7.42 Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~y~0 + 1*ULTIMATE.start_main_~x~0 15.92/7.42 Supporting invariants [] 15.92/7.42 [2019-03-28 22:26:19,053 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.92/7.42 [2019-03-28 22:26:19,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.92/7.42 [2019-03-28 22:26:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.92/7.42 [2019-03-28 22:26:19,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core 15.92/7.42 [2019-03-28 22:26:19,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.92/7.42 [2019-03-28 22:26:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.92/7.42 [2019-03-28 22:26:19,077 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 15.92/7.42 [2019-03-28 22:26:19,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.92/7.42 [2019-03-28 22:26:19,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.92/7.42 [2019-03-28 22:26:19,087 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 15.92/7.42 [2019-03-28 22:26:19,087 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 15.92/7.42 [2019-03-28 22:26:19,087 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 8 states and 11 transitions. cyclomatic complexity: 5 Second operand 3 states. 15.92/7.42 [2019-03-28 22:26:19,102 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 8 states and 11 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 13 states and 16 transitions. Complement of second has 6 states. 15.92/7.42 [2019-03-28 22:26:19,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 15.92/7.42 [2019-03-28 22:26:19,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.92/7.42 [2019-03-28 22:26:19,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. 15.92/7.42 [2019-03-28 22:26:19,103 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 2 letters. Loop has 3 letters. 15.92/7.42 [2019-03-28 22:26:19,104 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.92/7.42 [2019-03-28 22:26:19,104 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 5 letters. Loop has 3 letters. 15.92/7.42 [2019-03-28 22:26:19,104 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.92/7.42 [2019-03-28 22:26:19,104 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 2 letters. Loop has 6 letters. 15.92/7.42 [2019-03-28 22:26:19,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.92/7.42 [2019-03-28 22:26:19,107 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. 15.92/7.42 [2019-03-28 22:26:19,107 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.92/7.42 [2019-03-28 22:26:19,107 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. 15.92/7.42 [2019-03-28 22:26:19,108 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 15.92/7.42 [2019-03-28 22:26:19,108 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 15.92/7.42 [2019-03-28 22:26:19,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 15.92/7.42 [2019-03-28 22:26:19,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.92/7.42 [2019-03-28 22:26:19,108 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.92/7.42 [2019-03-28 22:26:19,108 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.92/7.42 [2019-03-28 22:26:19,108 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.92/7.42 [2019-03-28 22:26:19,108 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ 15.92/7.42 [2019-03-28 22:26:19,109 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 15.92/7.42 [2019-03-28 22:26:19,109 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.92/7.42 [2019-03-28 22:26:19,109 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 15.92/7.42 [2019-03-28 22:26:19,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:26:19 BasicIcfg 15.92/7.42 [2019-03-28 22:26:19,115 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.92/7.42 [2019-03-28 22:26:19,115 INFO L168 Benchmark]: Toolchain (without parser) took 2899.14 ms. Allocated memory was 649.6 MB in the beginning and 661.1 MB in the end (delta: 11.5 MB). Free memory was 564.6 MB in the beginning and 436.9 MB in the end (delta: 127.7 MB). Peak memory consumption was 139.2 MB. Max. memory is 50.3 GB. 15.92/7.42 [2019-03-28 22:26:19,117 INFO L168 Benchmark]: CDTParser took 0.19 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. 15.92/7.42 [2019-03-28 22:26:19,118 INFO L168 Benchmark]: CACSL2BoogieTranslator took 229.60 ms. Allocated memory is still 649.6 MB. Free memory was 564.6 MB in the beginning and 554.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 15.92/7.42 [2019-03-28 22:26:19,118 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.48 ms. Allocated memory was 649.6 MB in the beginning and 661.1 MB in the end (delta: 11.5 MB). Free memory was 554.9 MB in the beginning and 628.0 MB in the end (delta: -73.1 MB). Peak memory consumption was 21.2 MB. Max. memory is 50.3 GB. 15.92/7.42 [2019-03-28 22:26:19,119 INFO L168 Benchmark]: Boogie Preprocessor took 20.37 ms. Allocated memory is still 661.1 MB. Free memory was 628.0 MB in the beginning and 625.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 15.92/7.42 [2019-03-28 22:26:19,120 INFO L168 Benchmark]: RCFGBuilder took 201.45 ms. Allocated memory is still 661.1 MB. Free memory was 625.2 MB in the beginning and 612.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. 15.92/7.42 [2019-03-28 22:26:19,120 INFO L168 Benchmark]: BlockEncodingV2 took 83.01 ms. Allocated memory is still 661.1 MB. Free memory was 612.8 MB in the beginning and 606.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 50.3 GB. 15.92/7.42 [2019-03-28 22:26:19,121 INFO L168 Benchmark]: TraceAbstraction took 156.45 ms. Allocated memory is still 661.1 MB. Free memory was 606.1 MB in the beginning and 596.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 15.92/7.42 [2019-03-28 22:26:19,122 INFO L168 Benchmark]: BuchiAutomizer took 2096.63 ms. Allocated memory is still 661.1 MB. Free memory was 596.4 MB in the beginning and 436.9 MB in the end (delta: 159.4 MB). Peak memory consumption was 159.4 MB. Max. memory is 50.3 GB. 15.92/7.42 [2019-03-28 22:26:19,126 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.92/7.42 --- Results --- 15.92/7.42 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.92/7.42 - StatisticsResult: Initial Icfg 15.92/7.42 8 locations, 10 edges 15.92/7.42 - StatisticsResult: Encoded RCFG 15.92/7.42 4 locations, 6 edges 15.92/7.42 * Results from de.uni_freiburg.informatik.ultimate.core: 15.92/7.42 - StatisticsResult: Toolchain Benchmarks 15.92/7.42 Benchmark results are: 15.92/7.42 * CDTParser took 0.19 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. 15.92/7.42 * CACSL2BoogieTranslator took 229.60 ms. Allocated memory is still 649.6 MB. Free memory was 564.6 MB in the beginning and 554.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 15.92/7.42 * Boogie Procedure Inliner took 106.48 ms. Allocated memory was 649.6 MB in the beginning and 661.1 MB in the end (delta: 11.5 MB). Free memory was 554.9 MB in the beginning and 628.0 MB in the end (delta: -73.1 MB). Peak memory consumption was 21.2 MB. Max. memory is 50.3 GB. 15.92/7.42 * Boogie Preprocessor took 20.37 ms. Allocated memory is still 661.1 MB. Free memory was 628.0 MB in the beginning and 625.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 15.92/7.42 * RCFGBuilder took 201.45 ms. Allocated memory is still 661.1 MB. Free memory was 625.2 MB in the beginning and 612.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. 15.92/7.42 * BlockEncodingV2 took 83.01 ms. Allocated memory is still 661.1 MB. Free memory was 612.8 MB in the beginning and 606.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 50.3 GB. 15.92/7.42 * TraceAbstraction took 156.45 ms. Allocated memory is still 661.1 MB. Free memory was 606.1 MB in the beginning and 596.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 15.92/7.42 * BuchiAutomizer took 2096.63 ms. Allocated memory is still 661.1 MB. Free memory was 596.4 MB in the beginning and 436.9 MB in the end (delta: 159.4 MB). Peak memory consumption was 159.4 MB. Max. memory is 50.3 GB. 15.92/7.42 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.92/7.42 - AllSpecificationsHoldResult: All specifications hold 15.92/7.42 We were not able to verify any specifiation because the program does not contain any specification. 15.92/7.42 - InvariantResult [Line: 11]: Loop Invariant 15.92/7.42 Derived loop invariant: 1 15.92/7.42 - StatisticsResult: Ultimate Automizer benchmark data 15.92/7.42 CFG has 1 procedures, 4 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=4occurred 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 15.92/7.42 - StatisticsResult: Constructed decomposition of program 15.92/7.42 Your program was decomposed into 4 terminating modules (2 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function y + -1 * x and consists of 4 locations. One nondeterministic module has affine ranking function -1 * y + x and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. 15.92/7.42 - StatisticsResult: Timing statistics 15.92/7.42 BüchiAutomizer plugin needed 2.0s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 14 SDtfs, 19 SDslu, 7 SDs, 0 SdLazy, 45 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax179 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s 15.92/7.42 - TerminationAnalysisResult: Termination proven 15.92/7.42 Buchi Automizer proved that your program is terminating 15.92/7.42 RESULT: Ultimate proved your program to be correct! 15.92/7.42 !SESSION 2019-03-28 22:26:12.852 ----------------------------------------------- 15.92/7.42 eclipse.buildId=unknown 15.92/7.42 java.version=1.8.0_181 15.92/7.42 java.vendor=Oracle Corporation 15.92/7.42 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.92/7.42 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.92/7.42 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 15.92/7.42 15.92/7.42 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:26:19.360 15.92/7.42 !MESSAGE The workspace will exit with unsaved changes in this session. 15.92/7.42 Received shutdown request... 15.92/7.42 Ultimate: 15.92/7.42 GTK+ Version Check 15.92/7.42 EOF