13.07/6.15 YES 13.07/6.15 13.07/6.15 Ultimate: Cannot open display: 13.07/6.15 This is Ultimate 0.1.24-8dc7c08-m 13.07/6.15 [2019-03-28 22:25:01,106 INFO L170 SettingsManager]: Resetting all preferences to default values... 13.07/6.15 [2019-03-28 22:25:01,109 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 13.07/6.15 [2019-03-28 22:25:01,120 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 13.07/6.15 [2019-03-28 22:25:01,120 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 13.07/6.15 [2019-03-28 22:25:01,121 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 13.07/6.15 [2019-03-28 22:25:01,123 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 13.07/6.15 [2019-03-28 22:25:01,124 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 13.07/6.15 [2019-03-28 22:25:01,126 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 13.07/6.15 [2019-03-28 22:25:01,126 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 13.07/6.15 [2019-03-28 22:25:01,127 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 13.07/6.15 [2019-03-28 22:25:01,127 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 13.07/6.15 [2019-03-28 22:25:01,128 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 13.07/6.15 [2019-03-28 22:25:01,129 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 13.07/6.15 [2019-03-28 22:25:01,130 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 13.07/6.15 [2019-03-28 22:25:01,131 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 13.07/6.15 [2019-03-28 22:25:01,132 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 13.07/6.15 [2019-03-28 22:25:01,133 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 13.07/6.15 [2019-03-28 22:25:01,135 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 13.07/6.15 [2019-03-28 22:25:01,137 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 13.07/6.15 [2019-03-28 22:25:01,138 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 13.07/6.15 [2019-03-28 22:25:01,139 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 13.07/6.15 [2019-03-28 22:25:01,141 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 13.07/6.15 [2019-03-28 22:25:01,141 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 13.07/6.15 [2019-03-28 22:25:01,141 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 13.07/6.15 [2019-03-28 22:25:01,142 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 13.07/6.15 [2019-03-28 22:25:01,142 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 13.07/6.15 [2019-03-28 22:25:01,143 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 13.07/6.15 [2019-03-28 22:25:01,144 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 13.07/6.15 [2019-03-28 22:25:01,144 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 13.07/6.15 [2019-03-28 22:25:01,145 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 13.07/6.15 [2019-03-28 22:25:01,146 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 13.07/6.15 [2019-03-28 22:25:01,147 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 13.07/6.15 [2019-03-28 22:25:01,147 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 13.07/6.15 [2019-03-28 22:25:01,147 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 13.07/6.15 [2019-03-28 22:25:01,148 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 13.07/6.15 [2019-03-28 22:25:01,148 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 13.07/6.15 [2019-03-28 22:25:01,149 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 13.07/6.15 [2019-03-28 22:25:01,149 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 13.07/6.15 [2019-03-28 22:25:01,150 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 13.07/6.15 [2019-03-28 22:25:01,164 INFO L110 SettingsManager]: Loading preferences was successful 13.07/6.15 [2019-03-28 22:25:01,165 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 13.07/6.15 [2019-03-28 22:25:01,166 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 13.07/6.15 [2019-03-28 22:25:01,166 INFO L133 SettingsManager]: * Rewrite not-equals=true 13.07/6.15 [2019-03-28 22:25:01,166 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 13.07/6.15 [2019-03-28 22:25:01,166 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 13.07/6.15 [2019-03-28 22:25:01,166 INFO L133 SettingsManager]: * Use SBE=true 13.07/6.15 [2019-03-28 22:25:01,166 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 13.07/6.15 [2019-03-28 22:25:01,167 INFO L133 SettingsManager]: * Use old map elimination=false 13.07/6.15 [2019-03-28 22:25:01,167 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 13.07/6.15 [2019-03-28 22:25:01,167 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 13.07/6.15 [2019-03-28 22:25:01,167 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 13.07/6.15 [2019-03-28 22:25:01,167 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 13.07/6.15 [2019-03-28 22:25:01,167 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 13.07/6.15 [2019-03-28 22:25:01,168 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.07/6.15 [2019-03-28 22:25:01,168 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 13.07/6.15 [2019-03-28 22:25:01,168 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 13.07/6.15 [2019-03-28 22:25:01,168 INFO L133 SettingsManager]: * Check division by zero=IGNORE 13.07/6.15 [2019-03-28 22:25:01,168 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 13.07/6.15 [2019-03-28 22:25:01,169 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 13.07/6.15 [2019-03-28 22:25:01,169 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 13.07/6.15 [2019-03-28 22:25:01,169 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 13.07/6.15 [2019-03-28 22:25:01,169 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 13.07/6.15 [2019-03-28 22:25:01,169 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 13.07/6.15 [2019-03-28 22:25:01,169 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.07/6.15 [2019-03-28 22:25:01,170 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 13.07/6.15 [2019-03-28 22:25:01,170 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 13.07/6.15 [2019-03-28 22:25:01,170 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 13.07/6.15 [2019-03-28 22:25:01,170 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 13.07/6.15 [2019-03-28 22:25:01,195 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 13.07/6.15 [2019-03-28 22:25:01,208 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 13.07/6.15 [2019-03-28 22:25:01,212 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 13.07/6.15 [2019-03-28 22:25:01,213 INFO L271 PluginConnector]: Initializing CDTParser... 13.07/6.15 [2019-03-28 22:25:01,214 INFO L276 PluginConnector]: CDTParser initialized 13.07/6.15 [2019-03-28 22:25:01,214 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 13.07/6.15 [2019-03-28 22:25:01,274 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/e2357d33068040f8a897bb788d4b9ee9/FLAG3c583f94d 13.07/6.15 [2019-03-28 22:25:01,605 INFO L307 CDTParser]: Found 1 translation units. 13.07/6.15 [2019-03-28 22:25:01,606 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 13.07/6.15 [2019-03-28 22:25:01,613 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/e2357d33068040f8a897bb788d4b9ee9/FLAG3c583f94d 13.07/6.15 [2019-03-28 22:25:02,026 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/e2357d33068040f8a897bb788d4b9ee9 13.07/6.15 [2019-03-28 22:25:02,037 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 13.07/6.15 [2019-03-28 22:25:02,039 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 13.07/6.15 [2019-03-28 22:25:02,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 13.07/6.15 [2019-03-28 22:25:02,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 13.07/6.15 [2019-03-28 22:25:02,044 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 13.07/6.15 [2019-03-28 22:25:02,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:25:02" (1/1) ... 13.07/6.15 [2019-03-28 22:25:02,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21f8c24e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:25:02, skipping insertion in model container 13.07/6.15 [2019-03-28 22:25:02,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:25:02" (1/1) ... 13.07/6.15 [2019-03-28 22:25:02,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 13.07/6.15 [2019-03-28 22:25:02,073 INFO L176 MainTranslator]: Built tables and reachable declarations 13.07/6.15 [2019-03-28 22:25:02,228 INFO L206 PostProcessor]: Analyzing one entry point: main 13.07/6.15 [2019-03-28 22:25:02,232 INFO L191 MainTranslator]: Completed pre-run 13.07/6.15 [2019-03-28 22:25:02,248 INFO L206 PostProcessor]: Analyzing one entry point: main 13.07/6.15 [2019-03-28 22:25:02,263 INFO L195 MainTranslator]: Completed translation 13.07/6.15 [2019-03-28 22:25:02,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:25:02 WrapperNode 13.07/6.15 [2019-03-28 22:25:02,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 13.07/6.15 [2019-03-28 22:25:02,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 13.07/6.15 [2019-03-28 22:25:02,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 13.07/6.15 [2019-03-28 22:25:02,265 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 13.07/6.15 [2019-03-28 22:25:02,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:25:02" (1/1) ... 13.07/6.15 [2019-03-28 22:25:02,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:25:02" (1/1) ... 13.07/6.15 [2019-03-28 22:25:02,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 13.07/6.15 [2019-03-28 22:25:02,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 13.07/6.15 [2019-03-28 22:25:02,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 13.07/6.15 [2019-03-28 22:25:02,373 INFO L276 PluginConnector]: Boogie Preprocessor initialized 13.07/6.15 [2019-03-28 22:25:02,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:25:02" (1/1) ... 13.07/6.15 [2019-03-28 22:25:02,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:25:02" (1/1) ... 13.07/6.15 [2019-03-28 22:25:02,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:25:02" (1/1) ... 13.07/6.15 [2019-03-28 22:25:02,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:25:02" (1/1) ... 13.07/6.15 [2019-03-28 22:25:02,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:25:02" (1/1) ... 13.07/6.15 [2019-03-28 22:25:02,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:25:02" (1/1) ... 13.07/6.15 [2019-03-28 22:25:02,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:25:02" (1/1) ... 13.07/6.15 [2019-03-28 22:25:02,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 13.07/6.15 [2019-03-28 22:25:02,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 13.07/6.15 [2019-03-28 22:25:02,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... 13.07/6.15 [2019-03-28 22:25:02,394 INFO L276 PluginConnector]: RCFGBuilder initialized 13.07/6.15 [2019-03-28 22:25:02,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:25:02" (1/1) ... 13.07/6.15 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.07/6.15 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 13.07/6.15 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.07/6.15 [2019-03-28 22:25:02,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 13.07/6.15 [2019-03-28 22:25:02,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 13.07/6.15 [2019-03-28 22:25:02,592 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 13.07/6.15 [2019-03-28 22:25:02,592 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 13.07/6.15 [2019-03-28 22:25:02,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:25:02 BoogieIcfgContainer 13.07/6.15 [2019-03-28 22:25:02,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 13.07/6.15 [2019-03-28 22:25:02,594 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 13.07/6.15 [2019-03-28 22:25:02,594 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 13.07/6.15 [2019-03-28 22:25:02,597 INFO L276 PluginConnector]: BlockEncodingV2 initialized 13.07/6.15 [2019-03-28 22:25:02,598 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:25:02" (1/1) ... 13.07/6.15 [2019-03-28 22:25:02,613 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 13.07/6.15 [2019-03-28 22:25:02,615 INFO L258 BlockEncoder]: Using Remove infeasible edges 13.07/6.15 [2019-03-28 22:25:02,616 INFO L263 BlockEncoder]: Using Maximize final states 13.07/6.15 [2019-03-28 22:25:02,616 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 13.07/6.15 [2019-03-28 22:25:02,617 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 13.07/6.15 [2019-03-28 22:25:02,618 INFO L296 BlockEncoder]: Using Remove sink states 13.07/6.15 [2019-03-28 22:25:02,619 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 13.07/6.15 [2019-03-28 22:25:02,620 INFO L179 BlockEncoder]: Using Rewrite not-equals 13.07/6.15 [2019-03-28 22:25:02,634 INFO L185 BlockEncoder]: Using Use SBE 13.07/6.15 [2019-03-28 22:25:02,643 INFO L200 BlockEncoder]: SBE split 0 edges 13.07/6.15 [2019-03-28 22:25:02,648 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 13.07/6.15 [2019-03-28 22:25:02,650 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.07/6.15 [2019-03-28 22:25:02,663 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 13.07/6.15 [2019-03-28 22:25:02,665 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 13.07/6.15 [2019-03-28 22:25:02,666 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.07/6.15 [2019-03-28 22:25:02,666 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.07/6.15 [2019-03-28 22:25:02,667 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.07/6.15 [2019-03-28 22:25:02,667 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.07/6.15 [2019-03-28 22:25:02,667 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 13.07/6.15 [2019-03-28 22:25:02,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:25:02 BasicIcfg 13.07/6.15 [2019-03-28 22:25:02,668 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 13.07/6.15 [2019-03-28 22:25:02,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 13.07/6.15 [2019-03-28 22:25:02,669 INFO L271 PluginConnector]: Initializing TraceAbstraction... 13.07/6.15 [2019-03-28 22:25:02,672 INFO L276 PluginConnector]: TraceAbstraction initialized 13.07/6.15 [2019-03-28 22:25:02,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:25:02" (1/4) ... 13.07/6.15 [2019-03-28 22:25:02,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68d447b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:25:02, skipping insertion in model container 13.07/6.15 [2019-03-28 22:25:02,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:25:02" (2/4) ... 13.07/6.15 [2019-03-28 22:25:02,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68d447b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:25:02, skipping insertion in model container 13.07/6.15 [2019-03-28 22:25:02,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:25:02" (3/4) ... 13.07/6.15 [2019-03-28 22:25:02,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68d447b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:25:02, skipping insertion in model container 13.07/6.15 [2019-03-28 22:25:02,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:25:02" (4/4) ... 13.07/6.15 [2019-03-28 22:25:02,676 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.07/6.15 [2019-03-28 22:25:02,687 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 13.07/6.15 [2019-03-28 22:25:02,694 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 13.07/6.15 [2019-03-28 22:25:02,711 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 13.07/6.15 [2019-03-28 22:25:02,740 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.07/6.15 [2019-03-28 22:25:02,741 INFO L382 AbstractCegarLoop]: Interprodecural is true 13.07/6.15 [2019-03-28 22:25:02,741 INFO L383 AbstractCegarLoop]: Hoare is true 13.07/6.15 [2019-03-28 22:25:02,741 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 13.07/6.15 [2019-03-28 22:25:02,741 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 13.07/6.15 [2019-03-28 22:25:02,742 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.07/6.15 [2019-03-28 22:25:02,742 INFO L387 AbstractCegarLoop]: Difference is false 13.07/6.15 [2019-03-28 22:25:02,742 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 13.07/6.15 [2019-03-28 22:25:02,742 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 13.07/6.15 [2019-03-28 22:25:02,756 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 13.07/6.15 [2019-03-28 22:25:02,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 13.07/6.15 [2019-03-28 22:25:02,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 13.07/6.15 [2019-03-28 22:25:02,815 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 13.07/6.15 [2019-03-28 22:25:02,815 INFO L451 ceAbstractionStarter]: At program point L26-2(lines 26 29) the Hoare annotation is: true 13.07/6.15 [2019-03-28 22:25:02,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:25:02 BasicIcfg 13.07/6.15 [2019-03-28 22:25:02,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 13.07/6.15 [2019-03-28 22:25:02,823 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 13.07/6.15 [2019-03-28 22:25:02,823 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 13.07/6.15 [2019-03-28 22:25:02,827 INFO L276 PluginConnector]: BuchiAutomizer initialized 13.07/6.15 [2019-03-28 22:25:02,828 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.07/6.15 [2019-03-28 22:25:02,828 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:25:02" (1/5) ... 13.07/6.15 [2019-03-28 22:25:02,828 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5798f902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:25:02, skipping insertion in model container 13.07/6.15 [2019-03-28 22:25:02,829 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.07/6.15 [2019-03-28 22:25:02,829 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:25:02" (2/5) ... 13.07/6.15 [2019-03-28 22:25:02,829 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5798f902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:25:02, skipping insertion in model container 13.07/6.15 [2019-03-28 22:25:02,829 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.07/6.15 [2019-03-28 22:25:02,829 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:25:02" (3/5) ... 13.07/6.15 [2019-03-28 22:25:02,830 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5798f902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:25:02, skipping insertion in model container 13.07/6.15 [2019-03-28 22:25:02,830 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.07/6.15 [2019-03-28 22:25:02,830 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:25:02" (4/5) ... 13.07/6.15 [2019-03-28 22:25:02,830 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5798f902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:25:02, skipping insertion in model container 13.07/6.15 [2019-03-28 22:25:02,831 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.07/6.15 [2019-03-28 22:25:02,831 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:25:02" (5/5) ... 13.07/6.15 [2019-03-28 22:25:02,832 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.07/6.15 [2019-03-28 22:25:02,859 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.07/6.15 [2019-03-28 22:25:02,860 INFO L374 BuchiCegarLoop]: Interprodecural is true 13.07/6.15 [2019-03-28 22:25:02,860 INFO L375 BuchiCegarLoop]: Hoare is true 13.07/6.15 [2019-03-28 22:25:02,860 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 13.07/6.15 [2019-03-28 22:25:02,861 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 13.07/6.15 [2019-03-28 22:25:02,861 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.07/6.15 [2019-03-28 22:25:02,861 INFO L379 BuchiCegarLoop]: Difference is false 13.07/6.15 [2019-03-28 22:25:02,861 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 13.07/6.15 [2019-03-28 22:25:02,861 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 13.07/6.15 [2019-03-28 22:25:02,864 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 13.07/6.15 [2019-03-28 22:25:02,882 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.07/6.15 [2019-03-28 22:25:02,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.07/6.15 [2019-03-28 22:25:02,883 INFO L119 BuchiIsEmpty]: Starting construction of run 13.07/6.15 [2019-03-28 22:25:02,888 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.07/6.15 [2019-03-28 22:25:02,888 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.07/6.15 [2019-03-28 22:25:02,888 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 13.07/6.15 [2019-03-28 22:25:02,888 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 13.07/6.15 [2019-03-28 22:25:02,889 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.07/6.15 [2019-03-28 22:25:02,889 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.07/6.15 [2019-03-28 22:25:02,889 INFO L119 BuchiIsEmpty]: Starting construction of run 13.07/6.15 [2019-03-28 22:25:02,889 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.07/6.15 [2019-03-28 22:25:02,889 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.07/6.15 [2019-03-28 22:25:02,894 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [18] ULTIMATE.startENTRY-->L26-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L26-2true 13.07/6.15 [2019-03-28 22:25:02,895 INFO L796 eck$LassoCheckResult]: Loop: 4#L26-2true [22] L26-2-->L26-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_6 (+ v_ULTIMATE.start_main_~y~0_7 (- 1))) (< 0 v_ULTIMATE.start_main_~x~0_8) (= 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_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L26-2true 13.07/6.15 [2019-03-28 22:25:02,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.07/6.15 [2019-03-28 22:25:02,901 INFO L82 PathProgramCache]: Analyzing trace with hash 49, now seen corresponding path program 1 times 13.07/6.15 [2019-03-28 22:25:02,903 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.07/6.15 [2019-03-28 22:25:02,904 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.07/6.15 [2019-03-28 22:25:02,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.07/6.15 [2019-03-28 22:25:02,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.07/6.15 [2019-03-28 22:25:02,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.07/6.15 [2019-03-28 22:25:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.07/6.15 [2019-03-28 22:25:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.07/6.15 [2019-03-28 22:25:02,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.07/6.15 [2019-03-28 22:25:02,976 INFO L82 PathProgramCache]: Analyzing trace with hash 53, now seen corresponding path program 1 times 13.07/6.15 [2019-03-28 22:25:02,977 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.07/6.15 [2019-03-28 22:25:02,977 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.07/6.15 [2019-03-28 22:25:02,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.07/6.15 [2019-03-28 22:25:02,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.07/6.15 [2019-03-28 22:25:02,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.07/6.15 [2019-03-28 22:25:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.07/6.15 [2019-03-28 22:25:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.07/6.15 [2019-03-28 22:25:02,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.07/6.15 [2019-03-28 22:25:02,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1541, now seen corresponding path program 1 times 13.07/6.15 [2019-03-28 22:25:02,990 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.07/6.15 [2019-03-28 22:25:02,990 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.07/6.15 [2019-03-28 22:25:02,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.07/6.15 [2019-03-28 22:25:02,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.07/6.15 [2019-03-28 22:25:02,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.07/6.15 [2019-03-28 22:25:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.07/6.15 [2019-03-28 22:25:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.07/6.15 [2019-03-28 22:25:03,038 INFO L216 LassoAnalysis]: Preferences: 13.07/6.15 [2019-03-28 22:25:03,040 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.07/6.15 [2019-03-28 22:25:03,040 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.07/6.15 [2019-03-28 22:25:03,040 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.07/6.15 [2019-03-28 22:25:03,040 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.07/6.15 [2019-03-28 22:25:03,041 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.07/6.15 [2019-03-28 22:25:03,041 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.07/6.15 [2019-03-28 22:25:03,041 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.07/6.15 [2019-03-28 22:25:03,041 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.07/6.15 [2019-03-28 22:25:03,041 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.07/6.15 [2019-03-28 22:25:03,042 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.07/6.15 [2019-03-28 22:25:03,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.07/6.15 [2019-03-28 22:25:03,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.07/6.15 [2019-03-28 22:25:03,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.07/6.15 [2019-03-28 22:25:03,185 INFO L300 LassoAnalysis]: Preprocessing complete. 13.07/6.15 [2019-03-28 22:25:03,186 INFO L412 LassoAnalysis]: Checking for nontermination... 13.07/6.15 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.07/6.15 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.07/6.15 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.07/6.15 [2019-03-28 22:25:03,193 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.07/6.15 [2019-03-28 22:25:03,193 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.07/6.15 [2019-03-28 22:25:03,228 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.07/6.15 [2019-03-28 22:25:03,228 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: [] 13.07/6.15 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.07/6.15 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.07/6.15 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.07/6.15 [2019-03-28 22:25:03,234 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.07/6.15 [2019-03-28 22:25:03,235 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.07/6.15 [2019-03-28 22:25:03,262 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.07/6.15 [2019-03-28 22:25:03,263 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: [] 13.07/6.15 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.07/6.15 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.07/6.15 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.07/6.15 [2019-03-28 22:25:03,267 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.07/6.15 [2019-03-28 22:25:03,268 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.07/6.15 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.07/6.15 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.07/6.15 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.07/6.15 [2019-03-28 22:25:03,299 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.07/6.15 [2019-03-28 22:25:03,300 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.07/6.15 [2019-03-28 22:25:03,349 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.07/6.15 [2019-03-28 22:25:03,351 INFO L216 LassoAnalysis]: Preferences: 13.07/6.15 [2019-03-28 22:25:03,351 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.07/6.15 [2019-03-28 22:25:03,351 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.07/6.15 [2019-03-28 22:25:03,352 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.07/6.15 [2019-03-28 22:25:03,352 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.07/6.15 [2019-03-28 22:25:03,352 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.07/6.15 [2019-03-28 22:25:03,352 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.07/6.15 [2019-03-28 22:25:03,352 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.07/6.15 [2019-03-28 22:25:03,352 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.07/6.15 [2019-03-28 22:25:03,353 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.07/6.15 [2019-03-28 22:25:03,353 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.07/6.15 [2019-03-28 22:25:03,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.07/6.15 [2019-03-28 22:25:03,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.07/6.15 [2019-03-28 22:25:03,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.07/6.15 [2019-03-28 22:25:03,432 INFO L300 LassoAnalysis]: Preprocessing complete. 13.07/6.15 [2019-03-28 22:25:03,438 INFO L497 LassoAnalysis]: Using template 'affine'. 13.07/6.15 [2019-03-28 22:25:03,440 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.07/6.15 Termination analysis: LINEAR_WITH_GUESSES 13.07/6.15 Number of strict supporting invariants: 0 13.07/6.15 Number of non-strict supporting invariants: 1 13.07/6.15 Consider only non-deceasing supporting invariants: true 13.07/6.15 Simplify termination arguments: true 13.07/6.15 Simplify supporting invariants: trueOverapproximate stem: false 13.07/6.15 [2019-03-28 22:25:03,441 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.07/6.15 [2019-03-28 22:25:03,442 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.07/6.15 [2019-03-28 22:25:03,442 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.07/6.15 [2019-03-28 22:25:03,442 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.07/6.15 [2019-03-28 22:25:03,447 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 13.07/6.15 [2019-03-28 22:25:03,448 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 13.07/6.15 [2019-03-28 22:25:03,457 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.07/6.15 [2019-03-28 22:25:03,458 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.07/6.15 Termination analysis: LINEAR_WITH_GUESSES 13.07/6.15 Number of strict supporting invariants: 0 13.07/6.15 Number of non-strict supporting invariants: 1 13.07/6.15 Consider only non-deceasing supporting invariants: true 13.07/6.15 Simplify termination arguments: true 13.07/6.15 Simplify supporting invariants: trueOverapproximate stem: false 13.07/6.15 [2019-03-28 22:25:03,459 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.07/6.15 [2019-03-28 22:25:03,459 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.07/6.15 [2019-03-28 22:25:03,459 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.07/6.15 [2019-03-28 22:25:03,459 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.07/6.15 [2019-03-28 22:25:03,463 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 13.07/6.15 [2019-03-28 22:25:03,463 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 13.07/6.15 [2019-03-28 22:25:03,471 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.07/6.15 [2019-03-28 22:25:03,471 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.07/6.15 Termination analysis: LINEAR_WITH_GUESSES 13.07/6.15 Number of strict supporting invariants: 0 13.07/6.15 Number of non-strict supporting invariants: 1 13.07/6.15 Consider only non-deceasing supporting invariants: true 13.07/6.15 Simplify termination arguments: true 13.07/6.15 Simplify supporting invariants: trueOverapproximate stem: false 13.07/6.15 [2019-03-28 22:25:03,472 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.07/6.15 [2019-03-28 22:25:03,472 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.07/6.15 [2019-03-28 22:25:03,473 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.07/6.15 [2019-03-28 22:25:03,473 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.07/6.15 [2019-03-28 22:25:03,473 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.07/6.15 [2019-03-28 22:25:03,474 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.07/6.15 [2019-03-28 22:25:03,474 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.07/6.15 [2019-03-28 22:25:03,483 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.07/6.15 [2019-03-28 22:25:03,484 INFO L497 LassoAnalysis]: Using template '2-nested'. 13.07/6.15 [2019-03-28 22:25:03,484 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.07/6.15 Termination analysis: LINEAR_WITH_GUESSES 13.07/6.15 Number of strict supporting invariants: 0 13.07/6.15 Number of non-strict supporting invariants: 1 13.07/6.15 Consider only non-deceasing supporting invariants: true 13.07/6.15 Simplify termination arguments: true 13.07/6.15 Simplify supporting invariants: trueOverapproximate stem: false 13.07/6.15 [2019-03-28 22:25:03,485 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.07/6.15 [2019-03-28 22:25:03,485 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.07/6.15 [2019-03-28 22:25:03,486 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.07/6.15 [2019-03-28 22:25:03,486 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 13.07/6.15 [2019-03-28 22:25:03,489 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. 13.07/6.15 [2019-03-28 22:25:03,489 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. 13.07/6.15 [2019-03-28 22:25:03,496 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.07/6.15 [2019-03-28 22:25:03,497 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.07/6.15 Termination analysis: LINEAR_WITH_GUESSES 13.07/6.15 Number of strict supporting invariants: 0 13.07/6.15 Number of non-strict supporting invariants: 1 13.07/6.15 Consider only non-deceasing supporting invariants: true 13.07/6.15 Simplify termination arguments: true 13.07/6.15 Simplify supporting invariants: trueOverapproximate stem: false 13.07/6.15 [2019-03-28 22:25:03,497 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.07/6.15 [2019-03-28 22:25:03,498 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.07/6.15 [2019-03-28 22:25:03,498 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.07/6.15 [2019-03-28 22:25:03,498 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 13.07/6.15 [2019-03-28 22:25:03,502 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. 13.07/6.15 [2019-03-28 22:25:03,502 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. 13.07/6.15 [2019-03-28 22:25:03,512 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.07/6.15 [2019-03-28 22:25:03,512 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.07/6.15 Termination analysis: LINEAR_WITH_GUESSES 13.07/6.15 Number of strict supporting invariants: 0 13.07/6.15 Number of non-strict supporting invariants: 1 13.07/6.15 Consider only non-deceasing supporting invariants: true 13.07/6.15 Simplify termination arguments: true 13.07/6.15 Simplify supporting invariants: trueOverapproximate stem: false 13.07/6.15 [2019-03-28 22:25:03,513 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.07/6.15 [2019-03-28 22:25:03,513 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.07/6.15 [2019-03-28 22:25:03,514 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.07/6.15 [2019-03-28 22:25:03,514 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.07/6.15 [2019-03-28 22:25:03,514 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 13.07/6.15 [2019-03-28 22:25:03,515 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. 13.07/6.15 [2019-03-28 22:25:03,515 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.07/6.15 [2019-03-28 22:25:03,526 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.07/6.15 [2019-03-28 22:25:03,539 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 13.07/6.15 [2019-03-28 22:25:03,539 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. 13.07/6.16 [2019-03-28 22:25:03,542 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.07/6.16 [2019-03-28 22:25:03,542 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.07/6.16 [2019-03-28 22:25:03,542 INFO L518 LassoAnalysis]: Proved termination. 13.07/6.16 [2019-03-28 22:25:03,543 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.07/6.16 Ranking function 2-nested ranking function: 13.07/6.16 f0 = 1*ULTIMATE.start_main_~y~0 13.07/6.16 f1 = 1*ULTIMATE.start_main_~x~0 13.07/6.16 Supporting invariants [] 13.07/6.16 [2019-03-28 22:25:03,545 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.07/6.16 [2019-03-28 22:25:03,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.07/6.16 [2019-03-28 22:25:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.07/6.16 [2019-03-28 22:25:03,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 13.07/6.16 [2019-03-28 22:25:03,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.07/6.16 [2019-03-28 22:25:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.07/6.16 [2019-03-28 22:25:03,631 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjunts are in the unsatisfiable core 13.07/6.16 [2019-03-28 22:25:03,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.07/6.16 [2019-03-28 22:25:03,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.07/6.16 [2019-03-28 22:25:03,670 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 13.07/6.16 [2019-03-28 22:25:03,675 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 13.07/6.16 [2019-03-28 22:25:03,676 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 13.07/6.16 [2019-03-28 22:25:03,695 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 2 states.. Second operand 2 states. Result 3 states and 3 transitions. Complement of second has 2 states. 13.07/6.16 [2019-03-28 22:25:03,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 13.07/6.16 [2019-03-28 22:25:03,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 13.07/6.16 [2019-03-28 22:25:03,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. 13.07/6.16 [2019-03-28 22:25:03,700 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. 13.07/6.16 [2019-03-28 22:25:03,700 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.07/6.16 [2019-03-28 22:25:03,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. 13.07/6.16 [2019-03-28 22:25:03,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.07/6.16 [2019-03-28 22:25:03,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. 13.07/6.16 [2019-03-28 22:25:03,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.07/6.16 [2019-03-28 22:25:03,706 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 13.07/6.16 [2019-03-28 22:25:03,706 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.07/6.16 [2019-03-28 22:25:03,709 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 13.07/6.16 [2019-03-28 22:25:03,710 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 13.07/6.16 [2019-03-28 22:25:03,711 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 13.07/6.16 [2019-03-28 22:25:03,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 13.07/6.16 [2019-03-28 22:25:03,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.07/6.16 [2019-03-28 22:25:03,712 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.07/6.16 [2019-03-28 22:25:03,712 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.07/6.16 [2019-03-28 22:25:03,712 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.07/6.16 [2019-03-28 22:25:03,712 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 13.07/6.16 [2019-03-28 22:25:03,712 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 13.07/6.16 [2019-03-28 22:25:03,712 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.07/6.16 [2019-03-28 22:25:03,712 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 13.07/6.16 [2019-03-28 22:25:03,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:25:03 BasicIcfg 13.07/6.16 [2019-03-28 22:25:03,718 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 13.07/6.16 [2019-03-28 22:25:03,719 INFO L168 Benchmark]: Toolchain (without parser) took 1681.01 ms. Allocated memory was 649.6 MB in the beginning and 669.0 MB in the end (delta: 19.4 MB). Free memory was 563.9 MB in the beginning and 525.4 MB in the end (delta: 38.5 MB). Peak memory consumption was 57.9 MB. Max. memory is 50.3 GB. 13.07/6.16 [2019-03-28 22:25:03,721 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.07/6.16 [2019-03-28 22:25:03,721 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.31 ms. Allocated memory is still 649.6 MB. Free memory was 563.9 MB in the beginning and 554.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 13.07/6.16 [2019-03-28 22:25:03,722 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.23 ms. Allocated memory was 649.6 MB in the beginning and 669.0 MB in the end (delta: 19.4 MB). Free memory was 554.3 MB in the beginning and 635.6 MB in the end (delta: -81.3 MB). Peak memory consumption was 20.1 MB. Max. memory is 50.3 GB. 13.07/6.16 [2019-03-28 22:25:03,723 INFO L168 Benchmark]: Boogie Preprocessor took 20.17 ms. Allocated memory is still 669.0 MB. Free memory is still 634.3 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.07/6.16 [2019-03-28 22:25:03,723 INFO L168 Benchmark]: RCFGBuilder took 199.98 ms. Allocated memory is still 669.0 MB. Free memory was 632.5 MB in the beginning and 619.6 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 13.07/6.16 [2019-03-28 22:25:03,724 INFO L168 Benchmark]: BlockEncodingV2 took 73.99 ms. Allocated memory is still 669.0 MB. Free memory was 619.6 MB in the beginning and 614.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.07/6.16 [2019-03-28 22:25:03,724 INFO L168 Benchmark]: TraceAbstraction took 153.77 ms. Allocated memory is still 669.0 MB. Free memory was 614.2 MB in the beginning and 606.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 13.07/6.16 [2019-03-28 22:25:03,725 INFO L168 Benchmark]: BuchiAutomizer took 895.33 ms. Allocated memory is still 669.0 MB. Free memory was 606.1 MB in the beginning and 525.4 MB in the end (delta: 80.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 50.3 GB. 13.07/6.16 [2019-03-28 22:25:03,729 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 13.07/6.16 --- Results --- 13.07/6.16 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 13.07/6.16 - StatisticsResult: Initial Icfg 13.07/6.16 6 locations, 7 edges 13.07/6.16 - StatisticsResult: Encoded RCFG 13.07/6.16 2 locations, 2 edges 13.07/6.16 * Results from de.uni_freiburg.informatik.ultimate.core: 13.07/6.16 - StatisticsResult: Toolchain Benchmarks 13.07/6.16 Benchmark results are: 13.07/6.16 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.07/6.16 * CACSL2BoogieTranslator took 224.31 ms. Allocated memory is still 649.6 MB. Free memory was 563.9 MB in the beginning and 554.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 13.07/6.16 * Boogie Procedure Inliner took 108.23 ms. Allocated memory was 649.6 MB in the beginning and 669.0 MB in the end (delta: 19.4 MB). Free memory was 554.3 MB in the beginning and 635.6 MB in the end (delta: -81.3 MB). Peak memory consumption was 20.1 MB. Max. memory is 50.3 GB. 13.07/6.16 * Boogie Preprocessor took 20.17 ms. Allocated memory is still 669.0 MB. Free memory is still 634.3 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.07/6.16 * RCFGBuilder took 199.98 ms. Allocated memory is still 669.0 MB. Free memory was 632.5 MB in the beginning and 619.6 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 13.07/6.16 * BlockEncodingV2 took 73.99 ms. Allocated memory is still 669.0 MB. Free memory was 619.6 MB in the beginning and 614.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.07/6.16 * TraceAbstraction took 153.77 ms. Allocated memory is still 669.0 MB. Free memory was 614.2 MB in the beginning and 606.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 13.07/6.16 * BuchiAutomizer took 895.33 ms. Allocated memory is still 669.0 MB. Free memory was 606.1 MB in the beginning and 525.4 MB in the end (delta: 80.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 50.3 GB. 13.07/6.16 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 13.07/6.16 - AllSpecificationsHoldResult: All specifications hold 13.07/6.16 We were not able to verify any specifiation because the program does not contain any specification. 13.07/6.16 - InvariantResult [Line: 26]: Loop Invariant 13.07/6.16 Derived loop invariant: 1 13.07/6.16 - StatisticsResult: Ultimate Automizer benchmark data 13.07/6.16 CFG has 1 procedures, 2 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 13.07/6.16 - StatisticsResult: Constructed decomposition of program 13.07/6.16 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has 2-nested ranking function (if y > 0 then 1 else 0), (if y > 0 then y else x) and consists of 2 locations. 13.07/6.16 - StatisticsResult: Timing statistics 13.07/6.16 BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax192 hnf100 lsp51 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq176 hnf91 smp100 dnf100 smp100 tf109 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 11ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s 13.07/6.16 - TerminationAnalysisResult: Termination proven 13.07/6.16 Buchi Automizer proved that your program is terminating 13.07/6.16 RESULT: Ultimate proved your program to be correct! 13.07/6.16 !SESSION 2019-03-28 22:24:58.777 ----------------------------------------------- 13.07/6.16 eclipse.buildId=unknown 13.07/6.16 java.version=1.8.0_181 13.07/6.16 java.vendor=Oracle Corporation 13.07/6.16 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 13.07/6.16 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 13.07/6.16 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 13.07/6.16 13.07/6.16 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:25:03.960 13.07/6.16 !MESSAGE The workspace will exit with unsaved changes in this session. 13.07/6.16 Received shutdown request... 13.07/6.16 Ultimate: 13.07/6.16 GTK+ Version Check 13.07/6.16 EOF