18.49/10.49 YES 18.49/10.49 18.49/10.49 Ultimate: Cannot open display: 18.49/10.49 This is Ultimate 0.1.24-8dc7c08-m 18.49/10.49 [2019-03-28 12:03:32,260 INFO L170 SettingsManager]: Resetting all preferences to default values... 18.49/10.49 [2019-03-28 12:03:32,262 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 18.49/10.49 [2019-03-28 12:03:32,273 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 18.49/10.49 [2019-03-28 12:03:32,274 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 18.49/10.49 [2019-03-28 12:03:32,275 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 18.49/10.49 [2019-03-28 12:03:32,276 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 18.49/10.49 [2019-03-28 12:03:32,277 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 18.49/10.49 [2019-03-28 12:03:32,279 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 18.49/10.49 [2019-03-28 12:03:32,279 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 18.49/10.49 [2019-03-28 12:03:32,280 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 18.49/10.49 [2019-03-28 12:03:32,281 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 18.49/10.49 [2019-03-28 12:03:32,281 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 18.49/10.49 [2019-03-28 12:03:32,282 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 18.49/10.49 [2019-03-28 12:03:32,283 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 18.49/10.49 [2019-03-28 12:03:32,284 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 18.49/10.49 [2019-03-28 12:03:32,285 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 18.49/10.49 [2019-03-28 12:03:32,287 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 18.49/10.49 [2019-03-28 12:03:32,288 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 18.49/10.49 [2019-03-28 12:03:32,290 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 18.49/10.49 [2019-03-28 12:03:32,291 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 18.49/10.49 [2019-03-28 12:03:32,292 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 18.49/10.49 [2019-03-28 12:03:32,294 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 18.49/10.49 [2019-03-28 12:03:32,294 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 18.49/10.49 [2019-03-28 12:03:32,294 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 18.49/10.49 [2019-03-28 12:03:32,295 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 18.49/10.49 [2019-03-28 12:03:32,296 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 18.49/10.49 [2019-03-28 12:03:32,296 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 18.49/10.49 [2019-03-28 12:03:32,297 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 18.49/10.49 [2019-03-28 12:03:32,297 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 18.49/10.49 [2019-03-28 12:03:32,298 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 18.49/10.49 [2019-03-28 12:03:32,299 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 18.49/10.49 [2019-03-28 12:03:32,300 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 18.49/10.49 [2019-03-28 12:03:32,300 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 18.49/10.49 [2019-03-28 12:03:32,300 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 18.49/10.49 [2019-03-28 12:03:32,301 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 18.49/10.49 [2019-03-28 12:03:32,301 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 18.49/10.49 [2019-03-28 12:03:32,302 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 18.49/10.49 [2019-03-28 12:03:32,302 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 18.49/10.49 [2019-03-28 12:03:32,303 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 18.49/10.49 [2019-03-28 12:03:32,317 INFO L110 SettingsManager]: Loading preferences was successful 18.49/10.49 [2019-03-28 12:03:32,317 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 18.49/10.49 [2019-03-28 12:03:32,318 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 18.49/10.49 [2019-03-28 12:03:32,318 INFO L133 SettingsManager]: * Rewrite not-equals=true 18.49/10.49 [2019-03-28 12:03:32,319 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 18.49/10.49 [2019-03-28 12:03:32,319 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 18.49/10.49 [2019-03-28 12:03:32,319 INFO L133 SettingsManager]: * Use SBE=true 18.49/10.49 [2019-03-28 12:03:32,319 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 18.49/10.49 [2019-03-28 12:03:32,319 INFO L133 SettingsManager]: * Use old map elimination=false 18.49/10.49 [2019-03-28 12:03:32,320 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 18.49/10.49 [2019-03-28 12:03:32,320 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 18.49/10.49 [2019-03-28 12:03:32,320 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 18.49/10.49 [2019-03-28 12:03:32,320 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 18.49/10.49 [2019-03-28 12:03:32,320 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 18.49/10.49 [2019-03-28 12:03:32,321 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.49/10.49 [2019-03-28 12:03:32,321 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 18.49/10.49 [2019-03-28 12:03:32,321 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 18.49/10.49 [2019-03-28 12:03:32,321 INFO L133 SettingsManager]: * Check division by zero=IGNORE 18.49/10.49 [2019-03-28 12:03:32,321 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 18.49/10.49 [2019-03-28 12:03:32,322 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 18.49/10.49 [2019-03-28 12:03:32,322 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 18.49/10.49 [2019-03-28 12:03:32,322 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 18.49/10.49 [2019-03-28 12:03:32,322 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 18.49/10.49 [2019-03-28 12:03:32,322 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 18.49/10.49 [2019-03-28 12:03:32,323 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 18.49/10.49 [2019-03-28 12:03:32,323 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 18.49/10.49 [2019-03-28 12:03:32,323 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 18.49/10.49 [2019-03-28 12:03:32,323 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 18.49/10.49 [2019-03-28 12:03:32,323 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 18.49/10.49 [2019-03-28 12:03:32,349 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 18.49/10.49 [2019-03-28 12:03:32,362 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 18.49/10.49 [2019-03-28 12:03:32,366 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 18.49/10.49 [2019-03-28 12:03:32,367 INFO L271 PluginConnector]: Initializing CDTParser... 18.49/10.49 [2019-03-28 12:03:32,368 INFO L276 PluginConnector]: CDTParser initialized 18.49/10.49 [2019-03-28 12:03:32,368 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 18.49/10.49 [2019-03-28 12:03:32,436 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/70dfb0f0ee7e4cbc89bb8b7eb5f01827/FLAG16e230e80 18.49/10.49 [2019-03-28 12:03:32,772 INFO L307 CDTParser]: Found 1 translation units. 18.49/10.49 [2019-03-28 12:03:32,773 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 18.49/10.49 [2019-03-28 12:03:32,780 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/70dfb0f0ee7e4cbc89bb8b7eb5f01827/FLAG16e230e80 18.49/10.49 [2019-03-28 12:03:33,203 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/70dfb0f0ee7e4cbc89bb8b7eb5f01827 18.49/10.49 [2019-03-28 12:03:33,215 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 18.49/10.49 [2019-03-28 12:03:33,217 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 18.49/10.49 [2019-03-28 12:03:33,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 18.49/10.49 [2019-03-28 12:03:33,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 18.49/10.49 [2019-03-28 12:03:33,221 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 18.49/10.49 [2019-03-28 12:03:33,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:03:33" (1/1) ... 18.49/10.49 [2019-03-28 12:03:33,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e2a7b7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:33, skipping insertion in model container 18.49/10.49 [2019-03-28 12:03:33,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:03:33" (1/1) ... 18.49/10.49 [2019-03-28 12:03:33,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 18.49/10.49 [2019-03-28 12:03:33,251 INFO L176 MainTranslator]: Built tables and reachable declarations 18.49/10.49 [2019-03-28 12:03:33,406 INFO L206 PostProcessor]: Analyzing one entry point: main 18.49/10.49 [2019-03-28 12:03:33,410 INFO L191 MainTranslator]: Completed pre-run 18.49/10.49 [2019-03-28 12:03:33,427 INFO L206 PostProcessor]: Analyzing one entry point: main 18.49/10.49 [2019-03-28 12:03:33,492 INFO L195 MainTranslator]: Completed translation 18.49/10.49 [2019-03-28 12:03:33,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:33 WrapperNode 18.49/10.49 [2019-03-28 12:03:33,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 18.49/10.49 [2019-03-28 12:03:33,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 18.49/10.49 [2019-03-28 12:03:33,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 18.49/10.49 [2019-03-28 12:03:33,494 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 18.49/10.49 [2019-03-28 12:03:33,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:33" (1/1) ... 18.49/10.49 [2019-03-28 12:03:33,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:33" (1/1) ... 18.49/10.49 [2019-03-28 12:03:33,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 18.49/10.49 [2019-03-28 12:03:33,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 18.49/10.49 [2019-03-28 12:03:33,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 18.49/10.49 [2019-03-28 12:03:33,529 INFO L276 PluginConnector]: Boogie Preprocessor initialized 18.49/10.49 [2019-03-28 12:03:33,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:33" (1/1) ... 18.49/10.49 [2019-03-28 12:03:33,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:33" (1/1) ... 18.49/10.49 [2019-03-28 12:03:33,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:33" (1/1) ... 18.49/10.49 [2019-03-28 12:03:33,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:33" (1/1) ... 18.49/10.49 [2019-03-28 12:03:33,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:33" (1/1) ... 18.49/10.49 [2019-03-28 12:03:33,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:33" (1/1) ... 18.49/10.49 [2019-03-28 12:03:33,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:33" (1/1) ... 18.49/10.49 [2019-03-28 12:03:33,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 18.49/10.49 [2019-03-28 12:03:33,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 18.49/10.49 [2019-03-28 12:03:33,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... 18.49/10.49 [2019-03-28 12:03:33,549 INFO L276 PluginConnector]: RCFGBuilder initialized 18.49/10.49 [2019-03-28 12:03:33,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:33" (1/1) ... 18.49/10.49 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.49/10.49 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 18.49/10.49 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 18.49/10.49 [2019-03-28 12:03:33,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 18.49/10.49 [2019-03-28 12:03:33,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 18.49/10.49 [2019-03-28 12:03:33,739 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 18.49/10.49 [2019-03-28 12:03:33,740 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 18.49/10.49 [2019-03-28 12:03:33,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:03:33 BoogieIcfgContainer 18.49/10.49 [2019-03-28 12:03:33,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 18.49/10.49 [2019-03-28 12:03:33,742 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 18.49/10.49 [2019-03-28 12:03:33,742 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 18.49/10.49 [2019-03-28 12:03:33,744 INFO L276 PluginConnector]: BlockEncodingV2 initialized 18.49/10.49 [2019-03-28 12:03:33,744 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:03:33" (1/1) ... 18.49/10.49 [2019-03-28 12:03:33,760 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 18.49/10.49 [2019-03-28 12:03:33,762 INFO L258 BlockEncoder]: Using Remove infeasible edges 18.49/10.49 [2019-03-28 12:03:33,763 INFO L263 BlockEncoder]: Using Maximize final states 18.49/10.49 [2019-03-28 12:03:33,764 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 18.49/10.49 [2019-03-28 12:03:33,764 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 18.49/10.49 [2019-03-28 12:03:33,769 INFO L296 BlockEncoder]: Using Remove sink states 18.49/10.49 [2019-03-28 12:03:33,770 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 18.49/10.49 [2019-03-28 12:03:33,770 INFO L179 BlockEncoder]: Using Rewrite not-equals 18.49/10.49 [2019-03-28 12:03:33,784 INFO L185 BlockEncoder]: Using Use SBE 18.49/10.49 [2019-03-28 12:03:33,799 INFO L200 BlockEncoder]: SBE split 2 edges 18.49/10.49 [2019-03-28 12:03:33,804 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 18.49/10.49 [2019-03-28 12:03:33,805 INFO L71 MaximizeFinalStates]: 0 new accepting states 18.49/10.49 [2019-03-28 12:03:33,815 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 18.49/10.49 [2019-03-28 12:03:33,817 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 18.49/10.49 [2019-03-28 12:03:33,818 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 18.49/10.49 [2019-03-28 12:03:33,818 INFO L71 MaximizeFinalStates]: 0 new accepting states 18.49/10.49 [2019-03-28 12:03:33,819 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 18.49/10.49 [2019-03-28 12:03:33,819 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 18.49/10.49 [2019-03-28 12:03:33,819 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges 18.49/10.49 [2019-03-28 12:03:33,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:03:33 BasicIcfg 18.49/10.49 [2019-03-28 12:03:33,820 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 18.49/10.49 [2019-03-28 12:03:33,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 18.49/10.49 [2019-03-28 12:03:33,821 INFO L271 PluginConnector]: Initializing TraceAbstraction... 18.49/10.49 [2019-03-28 12:03:33,824 INFO L276 PluginConnector]: TraceAbstraction initialized 18.49/10.49 [2019-03-28 12:03:33,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:03:33" (1/4) ... 18.49/10.49 [2019-03-28 12:03:33,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe47df1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:03:33, skipping insertion in model container 18.49/10.49 [2019-03-28 12:03:33,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:33" (2/4) ... 18.49/10.49 [2019-03-28 12:03:33,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe47df1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:03:33, skipping insertion in model container 18.49/10.49 [2019-03-28 12:03:33,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:03:33" (3/4) ... 18.49/10.49 [2019-03-28 12:03:33,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe47df1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:03:33, skipping insertion in model container 18.49/10.49 [2019-03-28 12:03:33,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:03:33" (4/4) ... 18.49/10.49 [2019-03-28 12:03:33,828 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 18.49/10.49 [2019-03-28 12:03:33,838 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 18.49/10.49 [2019-03-28 12:03:33,846 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 18.49/10.49 [2019-03-28 12:03:33,864 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 18.49/10.49 [2019-03-28 12:03:33,892 INFO L133 ementStrategyFactory]: Using default assertion order modulation 18.49/10.49 [2019-03-28 12:03:33,892 INFO L382 AbstractCegarLoop]: Interprodecural is true 18.49/10.49 [2019-03-28 12:03:33,893 INFO L383 AbstractCegarLoop]: Hoare is true 18.49/10.49 [2019-03-28 12:03:33,893 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 18.49/10.49 [2019-03-28 12:03:33,893 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 18.49/10.49 [2019-03-28 12:03:33,893 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 18.49/10.49 [2019-03-28 12:03:33,893 INFO L387 AbstractCegarLoop]: Difference is false 18.49/10.49 [2019-03-28 12:03:33,893 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 18.49/10.49 [2019-03-28 12:03:33,894 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 18.49/10.49 [2019-03-28 12:03:33,907 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 18.49/10.49 [2019-03-28 12:03:33,913 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 18.49/10.49 [2019-03-28 12:03:33,916 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 18.49/10.49 [2019-03-28 12:03:33,965 INFO L451 ceAbstractionStarter]: At program point L18-2(lines 17 25) the Hoare annotation is: true 18.49/10.49 [2019-03-28 12:03:33,965 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 18.49/10.49 [2019-03-28 12:03:33,965 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 24) no Hoare annotation was computed. 18.49/10.49 [2019-03-28 12:03:33,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:03:33 BasicIcfg 18.49/10.49 [2019-03-28 12:03:33,974 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 18.49/10.49 [2019-03-28 12:03:33,974 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 18.49/10.49 [2019-03-28 12:03:33,974 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 18.49/10.49 [2019-03-28 12:03:33,978 INFO L276 PluginConnector]: BuchiAutomizer initialized 18.49/10.49 [2019-03-28 12:03:33,979 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.49/10.49 [2019-03-28 12:03:33,979 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:03:33" (1/5) ... 18.49/10.49 [2019-03-28 12:03:33,979 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@699c0ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:03:33, skipping insertion in model container 18.49/10.49 [2019-03-28 12:03:33,980 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.49/10.49 [2019-03-28 12:03:33,980 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:33" (2/5) ... 18.49/10.49 [2019-03-28 12:03:33,980 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@699c0ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:03:33, skipping insertion in model container 18.49/10.49 [2019-03-28 12:03:33,980 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.49/10.49 [2019-03-28 12:03:33,980 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:03:33" (3/5) ... 18.49/10.49 [2019-03-28 12:03:33,981 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@699c0ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:03:33, skipping insertion in model container 18.49/10.49 [2019-03-28 12:03:33,981 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.49/10.49 [2019-03-28 12:03:33,981 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:03:33" (4/5) ... 18.49/10.49 [2019-03-28 12:03:33,981 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@699c0ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:03:33, skipping insertion in model container 18.49/10.49 [2019-03-28 12:03:33,982 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.49/10.49 [2019-03-28 12:03:33,982 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:03:33" (5/5) ... 18.49/10.49 [2019-03-28 12:03:33,983 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 18.49/10.49 [2019-03-28 12:03:34,011 INFO L133 ementStrategyFactory]: Using default assertion order modulation 18.49/10.49 [2019-03-28 12:03:34,011 INFO L374 BuchiCegarLoop]: Interprodecural is true 18.49/10.49 [2019-03-28 12:03:34,012 INFO L375 BuchiCegarLoop]: Hoare is true 18.49/10.49 [2019-03-28 12:03:34,012 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 18.49/10.49 [2019-03-28 12:03:34,012 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 18.49/10.49 [2019-03-28 12:03:34,012 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 18.49/10.49 [2019-03-28 12:03:34,012 INFO L379 BuchiCegarLoop]: Difference is false 18.49/10.49 [2019-03-28 12:03:34,012 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 18.49/10.49 [2019-03-28 12:03:34,012 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 18.49/10.49 [2019-03-28 12:03:34,016 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 18.49/10.49 [2019-03-28 12:03:34,033 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 18.49/10.49 [2019-03-28 12:03:34,033 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.49/10.49 [2019-03-28 12:03:34,033 INFO L119 BuchiIsEmpty]: Starting construction of run 18.49/10.49 [2019-03-28 12:03:34,040 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 18.49/10.49 [2019-03-28 12:03:34,040 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 18.49/10.49 [2019-03-28 12:03:34,040 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 18.49/10.49 [2019-03-28 12:03:34,040 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 18.49/10.49 [2019-03-28 12:03:34,041 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 18.49/10.49 [2019-03-28 12:03:34,041 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.49/10.49 [2019-03-28 12:03:34,041 INFO L119 BuchiIsEmpty]: Starting construction of run 18.49/10.49 [2019-03-28 12:03:34,042 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 18.49/10.49 [2019-03-28 12:03:34,042 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 18.49/10.49 [2019-03-28 12:03:34,047 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [26] ULTIMATE.startENTRY-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~tx~0_1 |v_ULTIMATE.start_main_#t~nondet3_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_1|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~tx~0=v_ULTIMATE.start_main_~tx~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet3_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~tx~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 4#L18-2true 18.49/10.49 [2019-03-28 12:03:34,047 INFO L796 eck$LassoCheckResult]: Loop: 4#L18-2true [29] L18-2-->L18: Formula: (and (<= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~z~0_5 v_ULTIMATE.start_main_~tx~0_5)) (<= v_ULTIMATE.start_main_~y~0_5 v_ULTIMATE.start_main_~x~0_5)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~tx~0=v_ULTIMATE.start_main_~tx~0_5, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~tx~0=v_ULTIMATE.start_main_~tx~0_5, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[] 5#L18true [37] L18-->L18-2: Formula: (and (> 0 |v_ULTIMATE.start_main_#t~nondet4_3|) (= v_ULTIMATE.start_main_~tx~0_6 v_ULTIMATE.start_main_~x~0_7) (= v_ULTIMATE.start_main_~x~0_6 |v_ULTIMATE.start_main_#t~nondet5_3|) (= v_ULTIMATE.start_main_~z~0_6 (+ v_ULTIMATE.start_main_~z~0_7 (- 1)))) InVars {ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_3|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_3|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~tx~0=v_ULTIMATE.start_main_~tx~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_2|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_2|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_~tx~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 4#L18-2true 18.49/10.49 [2019-03-28 12:03:34,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.49/10.49 [2019-03-28 12:03:34,054 INFO L82 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times 18.49/10.49 [2019-03-28 12:03:34,056 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.49/10.49 [2019-03-28 12:03:34,056 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.49/10.49 [2019-03-28 12:03:34,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.49/10.49 [2019-03-28 12:03:34,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.49/10.49 [2019-03-28 12:03:34,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.49/10.49 [2019-03-28 12:03:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.49/10.49 [2019-03-28 12:03:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.49/10.49 [2019-03-28 12:03:34,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.49/10.49 [2019-03-28 12:03:34,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1897, now seen corresponding path program 1 times 18.49/10.49 [2019-03-28 12:03:34,123 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.49/10.49 [2019-03-28 12:03:34,123 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.49/10.49 [2019-03-28 12:03:34,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.49/10.49 [2019-03-28 12:03:34,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.49/10.49 [2019-03-28 12:03:34,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.49/10.49 [2019-03-28 12:03:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.49/10.49 [2019-03-28 12:03:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.49/10.49 [2019-03-28 12:03:34,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.49/10.49 [2019-03-28 12:03:34,146 INFO L82 PathProgramCache]: Analyzing trace with hash 55713, now seen corresponding path program 1 times 18.49/10.49 [2019-03-28 12:03:34,146 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.49/10.49 [2019-03-28 12:03:34,146 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.49/10.49 [2019-03-28 12:03:34,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.49/10.49 [2019-03-28 12:03:34,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.49/10.49 [2019-03-28 12:03:34,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.49/10.49 [2019-03-28 12:03:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.49/10.49 [2019-03-28 12:03:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.49/10.49 [2019-03-28 12:03:34,226 INFO L216 LassoAnalysis]: Preferences: 18.49/10.49 [2019-03-28 12:03:34,228 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.49/10.49 [2019-03-28 12:03:34,228 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.49/10.49 [2019-03-28 12:03:34,228 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.49/10.49 [2019-03-28 12:03:34,228 INFO L127 ssoRankerPreferences]: Use exernal solver: true 18.49/10.49 [2019-03-28 12:03:34,228 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.49/10.49 [2019-03-28 12:03:34,229 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.49/10.49 [2019-03-28 12:03:34,229 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.49/10.49 [2019-03-28 12:03:34,229 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 18.49/10.49 [2019-03-28 12:03:34,229 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.49/10.49 [2019-03-28 12:03:34,229 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.49/10.49 [2019-03-28 12:03:34,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.49/10.49 [2019-03-28 12:03:34,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.49/10.49 [2019-03-28 12:03:34,352 INFO L300 LassoAnalysis]: Preprocessing complete. 18.49/10.49 [2019-03-28 12:03:34,353 INFO L412 LassoAnalysis]: Checking for nontermination... 18.49/10.49 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.49/10.49 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.49/10.49 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.49/10.49 [2019-03-28 12:03:34,360 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.49/10.49 [2019-03-28 12:03:34,361 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.49/10.49 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.49/10.49 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.49/10.49 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.49/10.49 [2019-03-28 12:03:34,397 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 18.49/10.49 [2019-03-28 12:03:34,397 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.49/10.49 [2019-03-28 12:03:36,763 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 18.49/10.49 [2019-03-28 12:03:36,767 INFO L216 LassoAnalysis]: Preferences: 18.49/10.49 [2019-03-28 12:03:36,767 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.49/10.49 [2019-03-28 12:03:36,767 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.49/10.49 [2019-03-28 12:03:36,767 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.49/10.49 [2019-03-28 12:03:36,767 INFO L127 ssoRankerPreferences]: Use exernal solver: false 18.49/10.49 [2019-03-28 12:03:36,767 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 18.49/10.49 [2019-03-28 12:03:36,768 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.49/10.49 [2019-03-28 12:03:36,768 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.49/10.49 [2019-03-28 12:03:36,768 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 18.49/10.49 [2019-03-28 12:03:36,768 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.49/10.49 [2019-03-28 12:03:36,768 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.49/10.49 [2019-03-28 12:03:36,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.49/10.49 [2019-03-28 12:03:36,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.49/10.49 [2019-03-28 12:03:36,864 INFO L300 LassoAnalysis]: Preprocessing complete. 18.49/10.49 [2019-03-28 12:03:36,870 INFO L497 LassoAnalysis]: Using template 'affine'. 18.49/10.49 [2019-03-28 12:03:36,872 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.49/10.49 Termination analysis: LINEAR_WITH_GUESSES 18.49/10.49 Number of strict supporting invariants: 0 18.49/10.49 Number of non-strict supporting invariants: 1 18.49/10.49 Consider only non-deceasing supporting invariants: true 18.49/10.49 Simplify termination arguments: true 18.49/10.49 Simplify supporting invariants: trueOverapproximate stem: false 18.49/10.49 [2019-03-28 12:03:36,874 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.49/10.49 [2019-03-28 12:03:36,874 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.49/10.49 [2019-03-28 12:03:36,875 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.49/10.49 [2019-03-28 12:03:36,875 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.49/10.49 [2019-03-28 12:03:36,875 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.49/10.49 [2019-03-28 12:03:36,878 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.49/10.49 [2019-03-28 12:03:36,878 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.49/10.49 [2019-03-28 12:03:36,895 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.49/10.49 [2019-03-28 12:03:36,896 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.49/10.49 Termination analysis: LINEAR_WITH_GUESSES 18.49/10.49 Number of strict supporting invariants: 0 18.49/10.49 Number of non-strict supporting invariants: 1 18.49/10.49 Consider only non-deceasing supporting invariants: true 18.49/10.49 Simplify termination arguments: true 18.49/10.49 Simplify supporting invariants: trueOverapproximate stem: false 18.49/10.49 [2019-03-28 12:03:36,897 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.49/10.49 [2019-03-28 12:03:36,897 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.49/10.49 [2019-03-28 12:03:36,897 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.49/10.49 [2019-03-28 12:03:36,897 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.49/10.49 [2019-03-28 12:03:36,897 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.49/10.49 [2019-03-28 12:03:36,898 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.49/10.49 [2019-03-28 12:03:36,898 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.49/10.49 [2019-03-28 12:03:36,901 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.49/10.49 [2019-03-28 12:03:36,902 INFO L497 LassoAnalysis]: Using template '2-nested'. 18.49/10.49 [2019-03-28 12:03:36,902 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.49/10.49 Termination analysis: LINEAR_WITH_GUESSES 18.49/10.49 Number of strict supporting invariants: 0 18.49/10.49 Number of non-strict supporting invariants: 1 18.49/10.49 Consider only non-deceasing supporting invariants: true 18.49/10.49 Simplify termination arguments: true 18.49/10.49 Simplify supporting invariants: trueOverapproximate stem: false 18.49/10.49 [2019-03-28 12:03:36,903 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.49/10.49 [2019-03-28 12:03:36,903 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.49/10.49 [2019-03-28 12:03:36,903 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.49/10.49 [2019-03-28 12:03:36,904 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.49/10.49 [2019-03-28 12:03:36,904 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 18.49/10.49 [2019-03-28 12:03:36,906 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. 18.49/10.49 [2019-03-28 12:03:36,906 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.49/10.49 [2019-03-28 12:03:36,928 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 18.49/10.49 [2019-03-28 12:03:36,947 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 18.49/10.49 [2019-03-28 12:03:36,947 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. 18.49/10.49 [2019-03-28 12:03:36,949 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 18.49/10.49 [2019-03-28 12:03:36,949 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 18.49/10.49 [2019-03-28 12:03:36,949 INFO L518 LassoAnalysis]: Proved termination. 18.49/10.49 [2019-03-28 12:03:36,950 INFO L520 LassoAnalysis]: Termination argument consisting of: 18.49/10.49 Ranking function 2-nested ranking function: 18.49/10.49 f0 = 2*ULTIMATE.start_main_~z~0 18.49/10.49 f1 = 2*ULTIMATE.start_main_~z~0 + 2*ULTIMATE.start_main_~tx~0 - 2*ULTIMATE.start_main_~y~0 + 1 18.49/10.49 Supporting invariants [] 18.49/10.49 [2019-03-28 12:03:36,952 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 18.49/10.49 [2019-03-28 12:03:36,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.49/10.49 [2019-03-28 12:03:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.49/10.49 [2019-03-28 12:03:36,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core 18.49/10.49 [2019-03-28 12:03:37,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.49/10.49 [2019-03-28 12:03:37,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.49/10.49 [2019-03-28 12:03:37,013 WARN L254 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 7 conjunts are in the unsatisfiable core 18.49/10.49 [2019-03-28 12:03:37,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.49/10.49 [2019-03-28 12:03:37,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.49/10.49 [2019-03-28 12:03:37,386 INFO L98 LoopCannibalizer]: 12 predicates before loop cannibalization 12 predicates after loop cannibalization 18.49/10.49 [2019-03-28 12:03:37,391 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 12 loop predicates 18.49/10.49 [2019-03-28 12:03:37,393 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 18.49/10.49 [2019-03-28 12:03:37,701 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 8 states and 12 transitions. Complement of second has 6 states. 18.49/10.49 [2019-03-28 12:03:37,702 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 18.49/10.49 [2019-03-28 12:03:37,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 18.49/10.49 [2019-03-28 12:03:37,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. 18.49/10.49 [2019-03-28 12:03:37,706 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 2 letters. 18.49/10.49 [2019-03-28 12:03:37,708 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.49/10.49 [2019-03-28 12:03:37,708 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 2 letters. 18.49/10.49 [2019-03-28 12:03:37,708 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.49/10.49 [2019-03-28 12:03:37,709 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 4 letters. 18.49/10.49 [2019-03-28 12:03:37,709 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.49/10.49 [2019-03-28 12:03:37,715 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 12 transitions. 18.49/10.49 [2019-03-28 12:03:37,716 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 18.49/10.49 [2019-03-28 12:03:37,721 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 8 states and 12 transitions. 18.49/10.49 [2019-03-28 12:03:37,722 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 18.49/10.49 [2019-03-28 12:03:37,722 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 18.49/10.49 [2019-03-28 12:03:37,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 12 transitions. 18.49/10.49 [2019-03-28 12:03:37,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 18.49/10.49 [2019-03-28 12:03:37,723 INFO L706 BuchiCegarLoop]: Abstraction has 8 states and 12 transitions. 18.49/10.49 [2019-03-28 12:03:37,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 12 transitions. 18.49/10.49 [2019-03-28 12:03:37,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. 18.49/10.49 [2019-03-28 12:03:37,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 18.49/10.49 [2019-03-28 12:03:37,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 11 transitions. 18.49/10.49 [2019-03-28 12:03:37,753 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 11 transitions. 18.49/10.49 [2019-03-28 12:03:37,753 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 11 transitions. 18.49/10.49 [2019-03-28 12:03:37,753 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 18.49/10.49 [2019-03-28 12:03:37,753 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 11 transitions. 18.49/10.49 [2019-03-28 12:03:37,754 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 18.49/10.49 [2019-03-28 12:03:37,754 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.49/10.49 [2019-03-28 12:03:37,754 INFO L119 BuchiIsEmpty]: Starting construction of run 18.49/10.49 [2019-03-28 12:03:37,754 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 18.49/10.49 [2019-03-28 12:03:37,754 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 18.49/10.49 [2019-03-28 12:03:37,755 INFO L794 eck$LassoCheckResult]: Stem: 66#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~tx~0_1 |v_ULTIMATE.start_main_#t~nondet3_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_1|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~tx~0=v_ULTIMATE.start_main_~tx~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet3_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~tx~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 67#L18-2 [29] L18-2-->L18: Formula: (and (<= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~z~0_5 v_ULTIMATE.start_main_~tx~0_5)) (<= v_ULTIMATE.start_main_~y~0_5 v_ULTIMATE.start_main_~x~0_5)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~tx~0=v_ULTIMATE.start_main_~tx~0_5, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~tx~0=v_ULTIMATE.start_main_~tx~0_5, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[] 63#L18 18.49/10.49 [2019-03-28 12:03:37,755 INFO L796 eck$LassoCheckResult]: Loop: 63#L18 [31] L18-->L18-2: Formula: (and (= 0 |v_ULTIMATE.start_main_#t~nondet4_5|) (= v_ULTIMATE.start_main_~y~0_6 (+ v_ULTIMATE.start_main_~y~0_7 1))) InVars {ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_5|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_4|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~y~0] 62#L18-2 [29] L18-2-->L18: Formula: (and (<= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~z~0_5 v_ULTIMATE.start_main_~tx~0_5)) (<= v_ULTIMATE.start_main_~y~0_5 v_ULTIMATE.start_main_~x~0_5)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~tx~0=v_ULTIMATE.start_main_~tx~0_5, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~tx~0=v_ULTIMATE.start_main_~tx~0_5, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[] 63#L18 18.49/10.49 [2019-03-28 12:03:37,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.49/10.49 [2019-03-28 12:03:37,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1796, now seen corresponding path program 1 times 18.49/10.49 [2019-03-28 12:03:37,756 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.49/10.49 [2019-03-28 12:03:37,756 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.49/10.49 [2019-03-28 12:03:37,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.49/10.49 [2019-03-28 12:03:37,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.49/10.49 [2019-03-28 12:03:37,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.49/10.49 [2019-03-28 12:03:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.49/10.49 [2019-03-28 12:03:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.49/10.49 [2019-03-28 12:03:37,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.49/10.49 [2019-03-28 12:03:37,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1951, now seen corresponding path program 1 times 18.49/10.49 [2019-03-28 12:03:37,768 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.49/10.49 [2019-03-28 12:03:37,768 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.49/10.49 [2019-03-28 12:03:37,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.49/10.49 [2019-03-28 12:03:37,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.49/10.49 [2019-03-28 12:03:37,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.49/10.49 [2019-03-28 12:03:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.49/10.49 [2019-03-28 12:03:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.49/10.49 [2019-03-28 12:03:37,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.49/10.49 [2019-03-28 12:03:37,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1726946, now seen corresponding path program 1 times 18.49/10.49 [2019-03-28 12:03:37,775 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.49/10.49 [2019-03-28 12:03:37,775 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.49/10.49 [2019-03-28 12:03:37,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.49/10.49 [2019-03-28 12:03:37,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.49/10.49 [2019-03-28 12:03:37,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.49/10.49 [2019-03-28 12:03:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.49/10.49 [2019-03-28 12:03:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.49/10.49 [2019-03-28 12:03:37,805 INFO L216 LassoAnalysis]: Preferences: 18.49/10.49 [2019-03-28 12:03:37,805 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.49/10.49 [2019-03-28 12:03:37,805 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.49/10.49 [2019-03-28 12:03:37,805 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.49/10.49 [2019-03-28 12:03:37,805 INFO L127 ssoRankerPreferences]: Use exernal solver: true 18.49/10.49 [2019-03-28 12:03:37,805 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.49/10.49 [2019-03-28 12:03:37,806 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.49/10.49 [2019-03-28 12:03:37,806 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.49/10.49 [2019-03-28 12:03:37,806 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 18.49/10.49 [2019-03-28 12:03:37,806 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.49/10.49 [2019-03-28 12:03:37,806 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.49/10.49 [2019-03-28 12:03:37,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.49/10.49 [2019-03-28 12:03:37,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.49/10.49 [2019-03-28 12:03:37,863 INFO L300 LassoAnalysis]: Preprocessing complete. 18.49/10.49 [2019-03-28 12:03:37,863 INFO L412 LassoAnalysis]: Checking for nontermination... 18.49/10.49 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.49/10.49 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.49/10.49 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.49/10.49 [2019-03-28 12:03:37,872 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.49/10.49 [2019-03-28 12:03:37,872 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.49/10.49 [2019-03-28 12:03:37,878 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.49/10.49 [2019-03-28 12:03:37,878 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4=0} Honda state: {ULTIMATE.start_main_#t~nondet4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.49/10.49 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.49/10.49 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.49/10.49 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.49/10.49 [2019-03-28 12:03:37,907 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.49/10.49 [2019-03-28 12:03:37,908 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.49/10.49 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.49/10.49 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.49/10.49 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.49/10.49 [2019-03-28 12:03:37,940 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 18.49/10.49 [2019-03-28 12:03:37,941 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.49/10.49 [2019-03-28 12:03:38,572 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 18.49/10.49 [2019-03-28 12:03:38,575 INFO L216 LassoAnalysis]: Preferences: 18.49/10.49 [2019-03-28 12:03:38,575 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.49/10.49 [2019-03-28 12:03:38,575 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.49/10.49 [2019-03-28 12:03:38,575 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.49/10.49 [2019-03-28 12:03:38,575 INFO L127 ssoRankerPreferences]: Use exernal solver: false 18.49/10.49 [2019-03-28 12:03:38,575 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 18.49/10.49 [2019-03-28 12:03:38,575 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.49/10.49 [2019-03-28 12:03:38,576 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.49/10.49 [2019-03-28 12:03:38,576 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 18.49/10.49 [2019-03-28 12:03:38,576 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.49/10.49 [2019-03-28 12:03:38,576 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.49/10.49 [2019-03-28 12:03:38,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.49/10.49 [2019-03-28 12:03:38,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.49/10.49 [2019-03-28 12:03:38,618 INFO L300 LassoAnalysis]: Preprocessing complete. 18.49/10.49 [2019-03-28 12:03:38,619 INFO L497 LassoAnalysis]: Using template 'affine'. 18.49/10.49 [2019-03-28 12:03:38,619 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.49/10.49 Termination analysis: LINEAR_WITH_GUESSES 18.49/10.49 Number of strict supporting invariants: 0 18.49/10.49 Number of non-strict supporting invariants: 1 18.49/10.49 Consider only non-deceasing supporting invariants: true 18.49/10.49 Simplify termination arguments: true 18.49/10.49 Simplify supporting invariants: trueOverapproximate stem: false 18.49/10.49 [2019-03-28 12:03:38,620 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.49/10.49 [2019-03-28 12:03:38,620 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.49/10.49 [2019-03-28 12:03:38,620 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.49/10.49 [2019-03-28 12:03:38,620 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.49/10.49 [2019-03-28 12:03:38,620 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.49/10.49 [2019-03-28 12:03:38,621 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.49/10.49 [2019-03-28 12:03:38,621 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.49/10.49 [2019-03-28 12:03:38,623 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.49/10.49 [2019-03-28 12:03:38,623 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.49/10.49 Termination analysis: LINEAR_WITH_GUESSES 18.49/10.49 Number of strict supporting invariants: 0 18.49/10.49 Number of non-strict supporting invariants: 1 18.49/10.49 Consider only non-deceasing supporting invariants: true 18.49/10.49 Simplify termination arguments: true 18.49/10.49 Simplify supporting invariants: trueOverapproximate stem: false 18.49/10.49 [2019-03-28 12:03:38,624 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.49/10.49 [2019-03-28 12:03:38,624 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.49/10.49 [2019-03-28 12:03:38,624 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.49/10.49 [2019-03-28 12:03:38,624 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.49/10.49 [2019-03-28 12:03:38,625 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.49/10.49 [2019-03-28 12:03:38,625 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.49/10.49 [2019-03-28 12:03:38,626 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.49/10.49 [2019-03-28 12:03:38,630 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 18.49/10.49 [2019-03-28 12:03:38,635 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 18.49/10.49 [2019-03-28 12:03:38,635 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. 18.49/10.49 [2019-03-28 12:03:38,635 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 18.49/10.49 [2019-03-28 12:03:38,636 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 18.49/10.49 [2019-03-28 12:03:38,636 INFO L518 LassoAnalysis]: Proved termination. 18.49/10.49 [2019-03-28 12:03:38,636 INFO L520 LassoAnalysis]: Termination argument consisting of: 18.49/10.49 Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~x~0 - 1*ULTIMATE.start_main_~y~0 18.49/10.49 Supporting invariants [] 18.49/10.49 [2019-03-28 12:03:38,636 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 18.49/10.49 [2019-03-28 12:03:38,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.49/10.49 [2019-03-28 12:03:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.49/10.49 [2019-03-28 12:03:38,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core 18.49/10.49 [2019-03-28 12:03:38,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.49/10.49 [2019-03-28 12:03:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.49/10.49 [2019-03-28 12:03:38,665 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 18.49/10.49 [2019-03-28 12:03:38,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.49/10.49 [2019-03-28 12:03:38,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.49/10.49 [2019-03-28 12:03:38,676 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 18.49/10.49 [2019-03-28 12:03:38,676 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 18.49/10.49 [2019-03-28 12:03:38,676 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 11 transitions. cyclomatic complexity: 6 Second operand 3 states. 18.49/10.49 [2019-03-28 12:03:38,698 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 11 transitions. cyclomatic complexity: 6. Second operand 3 states. Result 10 states and 15 transitions. Complement of second has 4 states. 18.49/10.49 [2019-03-28 12:03:38,699 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 18.49/10.49 [2019-03-28 12:03:38,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 18.49/10.49 [2019-03-28 12:03:38,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. 18.49/10.49 [2019-03-28 12:03:38,700 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. 18.49/10.49 [2019-03-28 12:03:38,700 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.49/10.49 [2019-03-28 12:03:38,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. 18.49/10.49 [2019-03-28 12:03:38,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.49/10.49 [2019-03-28 12:03:38,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 4 letters. 18.49/10.49 [2019-03-28 12:03:38,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.49/10.49 [2019-03-28 12:03:38,702 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 15 transitions. 18.49/10.49 [2019-03-28 12:03:38,703 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 18.49/10.49 [2019-03-28 12:03:38,703 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 0 states and 0 transitions. 18.49/10.49 [2019-03-28 12:03:38,703 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 18.49/10.49 [2019-03-28 12:03:38,704 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 18.49/10.49 [2019-03-28 12:03:38,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 18.49/10.49 [2019-03-28 12:03:38,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 18.49/10.49 [2019-03-28 12:03:38,704 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 18.49/10.49 [2019-03-28 12:03:38,704 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 18.49/10.49 [2019-03-28 12:03:38,704 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 18.49/10.49 [2019-03-28 12:03:38,704 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 18.49/10.49 [2019-03-28 12:03:38,704 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 18.49/10.49 [2019-03-28 12:03:38,705 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 18.49/10.49 [2019-03-28 12:03:38,705 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 18.49/10.49 [2019-03-28 12:03:38,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:03:38 BasicIcfg 18.49/10.49 [2019-03-28 12:03:38,711 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 18.49/10.49 [2019-03-28 12:03:38,711 INFO L168 Benchmark]: Toolchain (without parser) took 5495.76 ms. Allocated memory was 514.9 MB in the beginning and 572.0 MB in the end (delta: 57.1 MB). Free memory was 441.8 MB in the beginning and 455.4 MB in the end (delta: -13.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 50.3 GB. 18.49/10.49 [2019-03-28 12:03:38,713 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 514.9 MB. Free memory is still 460.9 MB. There was no memory consumed. Max. memory is 50.3 GB. 18.49/10.49 [2019-03-28 12:03:38,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.10 ms. Allocated memory was 514.9 MB in the beginning and 544.2 MB in the end (delta: 29.4 MB). Free memory was 441.3 MB in the beginning and 515.2 MB in the end (delta: -73.9 MB). Peak memory consumption was 30.0 MB. Max. memory is 50.3 GB. 18.49/10.49 [2019-03-28 12:03:38,714 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.48 ms. Allocated memory is still 544.2 MB. Free memory was 515.2 MB in the beginning and 512.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 50.3 GB. 18.49/10.49 [2019-03-28 12:03:38,715 INFO L168 Benchmark]: Boogie Preprocessor took 19.59 ms. Allocated memory is still 544.2 MB. Free memory was 512.6 MB in the beginning and 511.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 18.49/10.49 [2019-03-28 12:03:38,716 INFO L168 Benchmark]: RCFGBuilder took 192.29 ms. Allocated memory is still 544.2 MB. Free memory was 511.5 MB in the beginning and 500.3 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 50.3 GB. 18.49/10.49 [2019-03-28 12:03:38,716 INFO L168 Benchmark]: BlockEncodingV2 took 78.46 ms. Allocated memory is still 544.2 MB. Free memory was 500.3 MB in the beginning and 495.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 50.3 GB. 18.49/10.49 [2019-03-28 12:03:38,717 INFO L168 Benchmark]: TraceAbstraction took 152.83 ms. Allocated memory is still 544.2 MB. Free memory was 494.9 MB in the beginning and 486.6 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 50.3 GB. 18.49/10.49 [2019-03-28 12:03:38,718 INFO L168 Benchmark]: BuchiAutomizer took 4736.70 ms. Allocated memory was 544.2 MB in the beginning and 572.0 MB in the end (delta: 27.8 MB). Free memory was 486.1 MB in the beginning and 455.4 MB in the end (delta: 30.7 MB). Peak memory consumption was 58.5 MB. Max. memory is 50.3 GB. 18.49/10.49 [2019-03-28 12:03:38,722 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 18.49/10.49 --- Results --- 18.49/10.49 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 18.49/10.49 - StatisticsResult: Initial Icfg 18.49/10.49 7 locations, 9 edges 18.49/10.49 - StatisticsResult: Encoded RCFG 18.49/10.49 3 locations, 5 edges 18.49/10.49 * Results from de.uni_freiburg.informatik.ultimate.core: 18.49/10.49 - StatisticsResult: Toolchain Benchmarks 18.49/10.49 Benchmark results are: 18.49/10.49 * CDTParser took 0.17 ms. Allocated memory is still 514.9 MB. Free memory is still 460.9 MB. There was no memory consumed. Max. memory is 50.3 GB. 18.49/10.49 * CACSL2BoogieTranslator took 275.10 ms. Allocated memory was 514.9 MB in the beginning and 544.2 MB in the end (delta: 29.4 MB). Free memory was 441.3 MB in the beginning and 515.2 MB in the end (delta: -73.9 MB). Peak memory consumption was 30.0 MB. Max. memory is 50.3 GB. 18.49/10.49 * Boogie Procedure Inliner took 35.48 ms. Allocated memory is still 544.2 MB. Free memory was 515.2 MB in the beginning and 512.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 50.3 GB. 18.49/10.49 * Boogie Preprocessor took 19.59 ms. Allocated memory is still 544.2 MB. Free memory was 512.6 MB in the beginning and 511.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 18.49/10.49 * RCFGBuilder took 192.29 ms. Allocated memory is still 544.2 MB. Free memory was 511.5 MB in the beginning and 500.3 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 50.3 GB. 18.49/10.49 * BlockEncodingV2 took 78.46 ms. Allocated memory is still 544.2 MB. Free memory was 500.3 MB in the beginning and 495.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 50.3 GB. 18.49/10.49 * TraceAbstraction took 152.83 ms. Allocated memory is still 544.2 MB. Free memory was 494.9 MB in the beginning and 486.6 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 50.3 GB. 18.49/10.49 * BuchiAutomizer took 4736.70 ms. Allocated memory was 544.2 MB in the beginning and 572.0 MB in the end (delta: 27.8 MB). Free memory was 486.1 MB in the beginning and 455.4 MB in the end (delta: 30.7 MB). Peak memory consumption was 58.5 MB. Max. memory is 50.3 GB. 18.49/10.49 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 18.49/10.49 - AllSpecificationsHoldResult: All specifications hold 18.49/10.49 We were not able to verify any specifiation because the program does not contain any specification. 18.49/10.49 - InvariantResult [Line: 17]: Loop Invariant 18.49/10.49 Derived loop invariant: 1 18.49/10.49 - StatisticsResult: Ultimate Automizer benchmark data 18.49/10.49 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 18.49/10.49 - StatisticsResult: Constructed decomposition of program 18.49/10.49 Your program was decomposed into 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has 2-nested ranking function (if 2 * z > 0 then 1 else 0), (if 2 * z > 0 then 2 * z else 2 * z + 2 * tx + -2 * y + 1) and consists of 4 locations. One nondeterministic module has affine ranking function x + -1 * y and consists of 3 locations. 18.49/10.49 - StatisticsResult: Timing statistics 18.49/10.49 BüchiAutomizer plugin needed 4.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 6 SDtfs, 14 SDslu, 0 SDs, 0 SdLazy, 27 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax100 hnf100 lsp85 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf93 smp100 dnf100 smp100 tf108 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 47ms VariablesStem: 0 VariablesLoop: 8 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 3 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 3.0s 18.49/10.49 - TerminationAnalysisResult: Termination proven 18.49/10.49 Buchi Automizer proved that your program is terminating 18.49/10.49 RESULT: Ultimate proved your program to be correct! 18.49/10.49 !SESSION 2019-03-28 12:03:29.511 ----------------------------------------------- 18.49/10.49 eclipse.buildId=unknown 18.49/10.49 java.version=1.8.0_181 18.49/10.49 java.vendor=Oracle Corporation 18.49/10.49 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 18.49/10.49 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 18.49/10.49 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 18.49/10.49 18.49/10.49 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:03:38.954 18.49/10.49 !MESSAGE The workspace will exit with unsaved changes in this session. 18.49/10.49 Received shutdown request... 18.49/10.49 Ultimate: 18.49/10.49 GTK+ Version Check 18.49/10.49 EOF