11.50/6.81 NO 11.50/6.81 11.50/6.81 Ultimate: Cannot open display: 11.50/6.81 This is Ultimate 0.1.24-8dc7c08-m 11.50/6.81 [2019-03-28 11:59:33,238 INFO L170 SettingsManager]: Resetting all preferences to default values... 11.50/6.81 [2019-03-28 11:59:33,240 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 11.50/6.81 [2019-03-28 11:59:33,252 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 11.50/6.81 [2019-03-28 11:59:33,252 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 11.50/6.81 [2019-03-28 11:59:33,253 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 11.50/6.81 [2019-03-28 11:59:33,254 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 11.50/6.81 [2019-03-28 11:59:33,255 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 11.50/6.81 [2019-03-28 11:59:33,257 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 11.50/6.81 [2019-03-28 11:59:33,258 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 11.50/6.81 [2019-03-28 11:59:33,258 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 11.50/6.81 [2019-03-28 11:59:33,259 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 11.50/6.81 [2019-03-28 11:59:33,260 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 11.50/6.81 [2019-03-28 11:59:33,260 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 11.50/6.81 [2019-03-28 11:59:33,261 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 11.50/6.81 [2019-03-28 11:59:33,262 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 11.50/6.81 [2019-03-28 11:59:33,263 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 11.50/6.81 [2019-03-28 11:59:33,265 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 11.50/6.81 [2019-03-28 11:59:33,267 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 11.50/6.81 [2019-03-28 11:59:33,268 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 11.50/6.81 [2019-03-28 11:59:33,269 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 11.50/6.81 [2019-03-28 11:59:33,270 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 11.50/6.81 [2019-03-28 11:59:33,272 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 11.50/6.81 [2019-03-28 11:59:33,272 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 11.50/6.81 [2019-03-28 11:59:33,273 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 11.50/6.81 [2019-03-28 11:59:33,273 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 11.50/6.81 [2019-03-28 11:59:33,274 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 11.50/6.81 [2019-03-28 11:59:33,275 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 11.50/6.81 [2019-03-28 11:59:33,275 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 11.50/6.81 [2019-03-28 11:59:33,276 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 11.50/6.81 [2019-03-28 11:59:33,276 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 11.50/6.81 [2019-03-28 11:59:33,277 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 11.50/6.81 [2019-03-28 11:59:33,278 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 11.50/6.81 [2019-03-28 11:59:33,278 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 11.50/6.81 [2019-03-28 11:59:33,279 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 11.50/6.81 [2019-03-28 11:59:33,279 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 11.50/6.81 [2019-03-28 11:59:33,279 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 11.50/6.81 [2019-03-28 11:59:33,280 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 11.50/6.81 [2019-03-28 11:59:33,281 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 11.50/6.81 [2019-03-28 11:59:33,281 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 11.50/6.81 [2019-03-28 11:59:33,295 INFO L110 SettingsManager]: Loading preferences was successful 11.50/6.81 [2019-03-28 11:59:33,295 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 11.50/6.81 [2019-03-28 11:59:33,296 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 11.50/6.81 [2019-03-28 11:59:33,297 INFO L133 SettingsManager]: * Rewrite not-equals=true 11.50/6.81 [2019-03-28 11:59:33,297 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 11.50/6.81 [2019-03-28 11:59:33,297 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 11.50/6.81 [2019-03-28 11:59:33,297 INFO L133 SettingsManager]: * Use SBE=true 11.50/6.81 [2019-03-28 11:59:33,297 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 11.50/6.81 [2019-03-28 11:59:33,298 INFO L133 SettingsManager]: * Use old map elimination=false 11.50/6.81 [2019-03-28 11:59:33,298 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 11.50/6.81 [2019-03-28 11:59:33,298 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 11.50/6.81 [2019-03-28 11:59:33,298 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 11.50/6.81 [2019-03-28 11:59:33,298 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 11.50/6.81 [2019-03-28 11:59:33,298 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 11.50/6.81 [2019-03-28 11:59:33,299 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.50/6.81 [2019-03-28 11:59:33,299 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 11.50/6.81 [2019-03-28 11:59:33,299 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 11.50/6.81 [2019-03-28 11:59:33,299 INFO L133 SettingsManager]: * Check division by zero=IGNORE 11.50/6.81 [2019-03-28 11:59:33,299 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 11.50/6.81 [2019-03-28 11:59:33,299 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 11.50/6.81 [2019-03-28 11:59:33,300 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 11.50/6.81 [2019-03-28 11:59:33,300 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 11.50/6.81 [2019-03-28 11:59:33,300 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 11.50/6.81 [2019-03-28 11:59:33,300 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 11.50/6.81 [2019-03-28 11:59:33,300 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.50/6.81 [2019-03-28 11:59:33,301 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 11.50/6.81 [2019-03-28 11:59:33,301 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 11.50/6.81 [2019-03-28 11:59:33,301 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 11.50/6.81 [2019-03-28 11:59:33,301 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 11.50/6.81 [2019-03-28 11:59:33,327 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 11.50/6.81 [2019-03-28 11:59:33,342 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 11.50/6.81 [2019-03-28 11:59:33,346 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 11.50/6.81 [2019-03-28 11:59:33,347 INFO L271 PluginConnector]: Initializing CDTParser... 11.50/6.81 [2019-03-28 11:59:33,348 INFO L276 PluginConnector]: CDTParser initialized 11.50/6.81 [2019-03-28 11:59:33,349 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 11.50/6.81 [2019-03-28 11:59:33,437 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/acd70dfa18b145c5a31f21172cb64670/FLAG1c6c18f29 11.50/6.81 [2019-03-28 11:59:33,950 INFO L307 CDTParser]: Found 1 translation units. 11.50/6.81 [2019-03-28 11:59:33,951 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 11.50/6.81 [2019-03-28 11:59:33,958 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/acd70dfa18b145c5a31f21172cb64670/FLAG1c6c18f29 11.50/6.81 [2019-03-28 11:59:34,358 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/acd70dfa18b145c5a31f21172cb64670 11.50/6.81 [2019-03-28 11:59:34,369 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 11.50/6.81 [2019-03-28 11:59:34,371 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 11.50/6.81 [2019-03-28 11:59:34,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 11.50/6.81 [2019-03-28 11:59:34,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 11.50/6.81 [2019-03-28 11:59:34,376 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 11.50/6.81 [2019-03-28 11:59:34,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:59:34" (1/1) ... 11.50/6.81 [2019-03-28 11:59:34,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d3d9c34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:59:34, skipping insertion in model container 11.50/6.81 [2019-03-28 11:59:34,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:59:34" (1/1) ... 11.50/6.81 [2019-03-28 11:59:34,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 11.50/6.81 [2019-03-28 11:59:34,407 INFO L176 MainTranslator]: Built tables and reachable declarations 11.50/6.81 [2019-03-28 11:59:34,567 INFO L206 PostProcessor]: Analyzing one entry point: main 11.50/6.81 [2019-03-28 11:59:34,571 INFO L191 MainTranslator]: Completed pre-run 11.50/6.81 [2019-03-28 11:59:34,590 INFO L206 PostProcessor]: Analyzing one entry point: main 11.50/6.81 [2019-03-28 11:59:34,604 INFO L195 MainTranslator]: Completed translation 11.50/6.81 [2019-03-28 11:59:34,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:59:34 WrapperNode 11.50/6.81 [2019-03-28 11:59:34,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 11.50/6.81 [2019-03-28 11:59:34,606 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 11.50/6.81 [2019-03-28 11:59:34,606 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 11.50/6.81 [2019-03-28 11:59:34,606 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 11.50/6.81 [2019-03-28 11:59:34,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:59:34" (1/1) ... 11.50/6.81 [2019-03-28 11:59:34,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:59:34" (1/1) ... 11.50/6.81 [2019-03-28 11:59:34,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 11.50/6.81 [2019-03-28 11:59:34,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 11.50/6.81 [2019-03-28 11:59:34,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 11.50/6.81 [2019-03-28 11:59:34,704 INFO L276 PluginConnector]: Boogie Preprocessor initialized 11.50/6.81 [2019-03-28 11:59:34,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:59:34" (1/1) ... 11.50/6.81 [2019-03-28 11:59:34,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:59:34" (1/1) ... 11.50/6.81 [2019-03-28 11:59:34,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:59:34" (1/1) ... 11.50/6.81 [2019-03-28 11:59:34,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:59:34" (1/1) ... 11.50/6.81 [2019-03-28 11:59:34,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:59:34" (1/1) ... 11.50/6.81 [2019-03-28 11:59:34,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:59:34" (1/1) ... 11.50/6.81 [2019-03-28 11:59:34,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:59:34" (1/1) ... 11.50/6.81 [2019-03-28 11:59:34,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 11.50/6.81 [2019-03-28 11:59:34,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 11.50/6.81 [2019-03-28 11:59:34,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... 11.50/6.81 [2019-03-28 11:59:34,736 INFO L276 PluginConnector]: RCFGBuilder initialized 11.50/6.81 [2019-03-28 11:59:34,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:59:34" (1/1) ... 11.50/6.81 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 11.50/6.81 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 11.50/6.81 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.50/6.81 [2019-03-28 11:59:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 11.50/6.81 [2019-03-28 11:59:34,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 11.50/6.81 [2019-03-28 11:59:35,072 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 11.50/6.81 [2019-03-28 11:59:35,072 INFO L286 CfgBuilder]: Removed 13 assue(true) statements. 11.50/6.81 [2019-03-28 11:59:35,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:59:35 BoogieIcfgContainer 11.50/6.81 [2019-03-28 11:59:35,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 11.50/6.81 [2019-03-28 11:59:35,074 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 11.50/6.81 [2019-03-28 11:59:35,075 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 11.50/6.81 [2019-03-28 11:59:35,077 INFO L276 PluginConnector]: BlockEncodingV2 initialized 11.50/6.81 [2019-03-28 11:59:35,078 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:59:35" (1/1) ... 11.50/6.81 [2019-03-28 11:59:35,101 INFO L313 BlockEncoder]: Initial Icfg 48 locations, 83 edges 11.50/6.81 [2019-03-28 11:59:35,103 INFO L258 BlockEncoder]: Using Remove infeasible edges 11.50/6.81 [2019-03-28 11:59:35,104 INFO L263 BlockEncoder]: Using Maximize final states 11.50/6.81 [2019-03-28 11:59:35,104 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 11.50/6.81 [2019-03-28 11:59:35,105 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 11.50/6.81 [2019-03-28 11:59:35,107 INFO L296 BlockEncoder]: Using Remove sink states 11.50/6.81 [2019-03-28 11:59:35,107 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 11.50/6.81 [2019-03-28 11:59:35,108 INFO L179 BlockEncoder]: Using Rewrite not-equals 11.50/6.81 [2019-03-28 11:59:35,142 INFO L185 BlockEncoder]: Using Use SBE 11.50/6.81 [2019-03-28 11:59:35,178 INFO L200 BlockEncoder]: SBE split 34 edges 11.50/6.81 [2019-03-28 11:59:35,183 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 11.50/6.81 [2019-03-28 11:59:35,185 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.50/6.81 [2019-03-28 11:59:35,201 INFO L100 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding 11.50/6.81 [2019-03-28 11:59:35,204 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 11.50/6.81 [2019-03-28 11:59:35,206 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 11.50/6.81 [2019-03-28 11:59:35,206 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.50/6.81 [2019-03-28 11:59:35,206 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 11.50/6.81 [2019-03-28 11:59:35,207 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.50/6.81 [2019-03-28 11:59:35,208 INFO L313 BlockEncoder]: Encoded RCFG 40 locations, 108 edges 11.50/6.81 [2019-03-28 11:59:35,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:59:35 BasicIcfg 11.50/6.81 [2019-03-28 11:59:35,208 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 11.50/6.81 [2019-03-28 11:59:35,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 11.50/6.81 [2019-03-28 11:59:35,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... 11.50/6.81 [2019-03-28 11:59:35,213 INFO L276 PluginConnector]: TraceAbstraction initialized 11.50/6.81 [2019-03-28 11:59:35,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 11:59:34" (1/4) ... 11.50/6.81 [2019-03-28 11:59:35,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a582a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:59:35, skipping insertion in model container 11.50/6.81 [2019-03-28 11:59:35,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:59:34" (2/4) ... 11.50/6.81 [2019-03-28 11:59:35,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a582a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:59:35, skipping insertion in model container 11.50/6.81 [2019-03-28 11:59:35,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:59:35" (3/4) ... 11.50/6.81 [2019-03-28 11:59:35,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a582a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:59:35, skipping insertion in model container 11.50/6.81 [2019-03-28 11:59:35,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:59:35" (4/4) ... 11.50/6.81 [2019-03-28 11:59:35,217 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.50/6.81 [2019-03-28 11:59:35,227 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 11.50/6.81 [2019-03-28 11:59:35,235 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 11.50/6.81 [2019-03-28 11:59:35,252 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 11.50/6.81 [2019-03-28 11:59:35,281 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.50/6.81 [2019-03-28 11:59:35,282 INFO L382 AbstractCegarLoop]: Interprodecural is true 11.50/6.81 [2019-03-28 11:59:35,282 INFO L383 AbstractCegarLoop]: Hoare is true 11.50/6.81 [2019-03-28 11:59:35,282 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 11.50/6.81 [2019-03-28 11:59:35,282 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 11.50/6.81 [2019-03-28 11:59:35,283 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.50/6.81 [2019-03-28 11:59:35,283 INFO L387 AbstractCegarLoop]: Difference is false 11.50/6.81 [2019-03-28 11:59:35,283 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 11.50/6.81 [2019-03-28 11:59:35,283 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 11.50/6.81 [2019-03-28 11:59:35,298 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. 11.50/6.81 [2019-03-28 11:59:35,305 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 11.50/6.81 [2019-03-28 11:59:35,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 40 states. 11.50/6.81 [2019-03-28 11:59:35,364 INFO L451 ceAbstractionStarter]: At program point L41-8(lines 19 47) the Hoare annotation is: true 11.50/6.81 [2019-03-28 11:59:35,364 INFO L448 ceAbstractionStarter]: For program point L35-3(lines 35 39) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,364 INFO L448 ceAbstractionStarter]: For program point L41-9(lines 41 45) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,365 INFO L448 ceAbstractionStarter]: For program point L64-1(lines 52 84) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,365 INFO L451 ceAbstractionStarter]: At program point L41-11(lines 19 47) the Hoare annotation is: true 11.50/6.81 [2019-03-28 11:59:35,365 INFO L448 ceAbstractionStarter]: For program point L35-6(lines 35 39) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,365 INFO L448 ceAbstractionStarter]: For program point L27(lines 27 31) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,365 INFO L448 ceAbstractionStarter]: For program point L35-9(lines 35 39) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,365 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 58) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,366 INFO L448 ceAbstractionStarter]: For program point L27-3(lines 27 31) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,366 INFO L448 ceAbstractionStarter]: For program point L56-2(lines 52 84) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,366 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 25) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,366 INFO L448 ceAbstractionStarter]: For program point L27-6(lines 27 31) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,366 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 47) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,366 INFO L448 ceAbstractionStarter]: For program point L19-1(lines 19 47) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,366 INFO L448 ceAbstractionStarter]: For program point L21-3(lines 21 25) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,367 INFO L448 ceAbstractionStarter]: For program point L27-9(lines 27 31) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,367 INFO L448 ceAbstractionStarter]: For program point L19-2(lines 19 47) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,367 INFO L448 ceAbstractionStarter]: For program point L19-3(lines 19 47) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,367 INFO L448 ceAbstractionStarter]: For program point L21-6(lines 21 25) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,367 INFO L448 ceAbstractionStarter]: For program point L21-9(lines 21 25) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,367 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 46) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,368 INFO L448 ceAbstractionStarter]: For program point L67-1(lines 52 84) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,368 INFO L448 ceAbstractionStarter]: For program point L34-1(lines 34 46) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,368 INFO L448 ceAbstractionStarter]: For program point L34-2(lines 34 46) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,368 INFO L448 ceAbstractionStarter]: For program point L34-3(lines 34 46) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,368 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,368 INFO L448 ceAbstractionStarter]: For program point L61-1(lines 52 84) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,369 INFO L448 ceAbstractionStarter]: For program point L20(lines 20 32) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,369 INFO L448 ceAbstractionStarter]: For program point L20-1(lines 20 32) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,369 INFO L448 ceAbstractionStarter]: For program point L20-2(lines 20 32) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,369 INFO L448 ceAbstractionStarter]: For program point L20-3(lines 20 32) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,369 INFO L448 ceAbstractionStarter]: For program point L80-1(lines 52 84) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,369 INFO L448 ceAbstractionStarter]: For program point L41(lines 41 45) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,370 INFO L451 ceAbstractionStarter]: At program point L41-2(lines 19 47) the Hoare annotation is: true 11.50/6.81 [2019-03-28 11:59:35,370 INFO L448 ceAbstractionStarter]: For program point L41-3(lines 41 45) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,370 INFO L448 ceAbstractionStarter]: For program point L70-1(lines 52 84) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,370 INFO L451 ceAbstractionStarter]: At program point L41-5(lines 19 47) the Hoare annotation is: true 11.50/6.81 [2019-03-28 11:59:35,370 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 39) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,370 INFO L448 ceAbstractionStarter]: For program point L41-6(lines 41 45) no Hoare annotation was computed. 11.50/6.81 [2019-03-28 11:59:35,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:59:35 BasicIcfg 11.50/6.81 [2019-03-28 11:59:35,379 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 11.50/6.81 [2019-03-28 11:59:35,380 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 11.50/6.81 [2019-03-28 11:59:35,380 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 11.50/6.81 [2019-03-28 11:59:35,384 INFO L276 PluginConnector]: BuchiAutomizer initialized 11.50/6.81 [2019-03-28 11:59:35,384 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.50/6.81 [2019-03-28 11:59:35,385 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 11:59:34" (1/5) ... 11.50/6.81 [2019-03-28 11:59:35,385 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5be23e96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:59:35, skipping insertion in model container 11.50/6.81 [2019-03-28 11:59:35,385 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.50/6.81 [2019-03-28 11:59:35,386 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:59:34" (2/5) ... 11.50/6.81 [2019-03-28 11:59:35,386 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5be23e96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:59:35, skipping insertion in model container 11.50/6.81 [2019-03-28 11:59:35,386 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.50/6.81 [2019-03-28 11:59:35,386 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:59:35" (3/5) ... 11.50/6.81 [2019-03-28 11:59:35,387 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5be23e96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:59:35, skipping insertion in model container 11.50/6.81 [2019-03-28 11:59:35,387 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.50/6.81 [2019-03-28 11:59:35,387 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:59:35" (4/5) ... 11.50/6.81 [2019-03-28 11:59:35,387 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5be23e96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:59:35, skipping insertion in model container 11.50/6.81 [2019-03-28 11:59:35,387 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.50/6.81 [2019-03-28 11:59:35,388 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:59:35" (5/5) ... 11.50/6.81 [2019-03-28 11:59:35,389 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.50/6.81 [2019-03-28 11:59:35,416 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.50/6.81 [2019-03-28 11:59:35,416 INFO L374 BuchiCegarLoop]: Interprodecural is true 11.50/6.81 [2019-03-28 11:59:35,416 INFO L375 BuchiCegarLoop]: Hoare is true 11.50/6.81 [2019-03-28 11:59:35,416 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 11.50/6.81 [2019-03-28 11:59:35,416 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 11.50/6.81 [2019-03-28 11:59:35,416 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.50/6.81 [2019-03-28 11:59:35,417 INFO L379 BuchiCegarLoop]: Difference is false 11.50/6.81 [2019-03-28 11:59:35,417 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 11.50/6.81 [2019-03-28 11:59:35,417 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 11.50/6.81 [2019-03-28 11:59:35,421 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states. 11.50/6.81 [2019-03-28 11:59:35,442 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 11.50/6.81 [2019-03-28 11:59:35,442 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.50/6.81 [2019-03-28 11:59:35,443 INFO L119 BuchiIsEmpty]: Starting construction of run 11.50/6.81 [2019-03-28 11:59:35,450 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] 11.50/6.81 [2019-03-28 11:59:35,450 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 11.50/6.81 [2019-03-28 11:59:35,450 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 11.50/6.81 [2019-03-28 11:59:35,450 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states. 11.50/6.81 [2019-03-28 11:59:35,455 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 11.50/6.81 [2019-03-28 11:59:35,455 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.50/6.81 [2019-03-28 11:59:35,455 INFO L119 BuchiIsEmpty]: Starting construction of run 11.50/6.81 [2019-03-28 11:59:35,455 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] 11.50/6.81 [2019-03-28 11:59:35,456 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 11.50/6.81 [2019-03-28 11:59:35,461 INFO L794 eck$LassoCheckResult]: Stem: 35#ULTIMATE.startENTRYtrue [289] ULTIMATE.startENTRY-->L56: Formula: (and (= v_ULTIMATE.start_main_~d~0_1 1) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet8_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet10=|v_ULTIMATE.start_main_#t~nondet10_1|, ULTIMATE.start_main_#t~nondet12=|v_ULTIMATE.start_main_#t~nondet12_1|, ULTIMATE.start_main_#t~nondet14=|v_ULTIMATE.start_main_#t~nondet14_1|, ULTIMATE.start_main_#t~nondet8=|v_ULTIMATE.start_main_#t~nondet8_1|, ULTIMATE.start_main_#t~nondet9=|v_ULTIMATE.start_main_#t~nondet9_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#t~ret17=|v_ULTIMATE.start_main_#t~ret17_1|, ULTIMATE.start_main_#t~ret15=|v_ULTIMATE.start_main_#t~ret15_1|, ULTIMATE.start_main_#t~ret13=|v_ULTIMATE.start_main_#t~ret13_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~ret11=|v_ULTIMATE.start_main_#t~ret11_1|, ULTIMATE.start_main_#t~nondet16=|v_ULTIMATE.start_main_#t~nondet16_1|, ULTIMATE.start_main_#t~nondet18=|v_ULTIMATE.start_main_#t~nondet18_1|, ULTIMATE.start_main_~d~0=v_ULTIMATE.start_main_~d~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet8_4|] AssignedVars[ULTIMATE.start_main_#t~nondet10, ULTIMATE.start_main_#t~nondet12, ULTIMATE.start_main_#t~nondet14, ULTIMATE.start_main_#t~nondet8, ULTIMATE.start_main_#t~nondet9, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~ret17, ULTIMATE.start_main_#t~ret15, ULTIMATE.start_main_#t~ret13, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~ret11, ULTIMATE.start_main_#t~nondet16, ULTIMATE.start_main_#t~nondet18, ULTIMATE.start_main_~d~0] 20#L56true [340] L56-->L56-2: Formula: (and (= v_ULTIMATE.start_main_~d~0_4 (+ v_ULTIMATE.start_main_~d~0_5 (- 1))) (> 0 |v_ULTIMATE.start_main_#t~nondet9_3|)) InVars {ULTIMATE.start_main_#t~nondet9=|v_ULTIMATE.start_main_#t~nondet9_3|, ULTIMATE.start_main_~d~0=v_ULTIMATE.start_main_~d~0_5} OutVars{ULTIMATE.start_main_#t~nondet9=|v_ULTIMATE.start_main_#t~nondet9_2|, ULTIMATE.start_main_~d~0=v_ULTIMATE.start_main_~d~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9, ULTIMATE.start_main_~d~0] 16#L56-2true [248] L56-2-->L61-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet10_5| 0) InVars {ULTIMATE.start_main_#t~nondet10=|v_ULTIMATE.start_main_#t~nondet10_5|} OutVars{ULTIMATE.start_main_#t~nondet10=|v_ULTIMATE.start_main_#t~nondet10_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet10] 27#L61-1true [274] L61-1-->L64-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet12_5| 0) InVars {ULTIMATE.start_main_#t~nondet12=|v_ULTIMATE.start_main_#t~nondet12_5|} OutVars{ULTIMATE.start_main_#t~nondet12=|v_ULTIMATE.start_main_#t~nondet12_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet12] 34#L64-1true [288] L64-1-->L67-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet14_3| 0) InVars {ULTIMATE.start_main_#t~nondet14=|v_ULTIMATE.start_main_#t~nondet14_3|} OutVars{ULTIMATE.start_main_#t~nondet14=|v_ULTIMATE.start_main_#t~nondet14_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet14] 19#L67-1true [254] L67-1-->L70-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet16_5| 0) InVars {ULTIMATE.start_main_#t~nondet16=|v_ULTIMATE.start_main_#t~nondet16_5|} OutVars{ULTIMATE.start_main_#t~nondet16=|v_ULTIMATE.start_main_#t~nondet16_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet16] 23#L70-1true [265] L70-1-->L80-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet18_5| 0) InVars {ULTIMATE.start_main_#t~nondet18=|v_ULTIMATE.start_main_#t~nondet18_5|} OutVars{ULTIMATE.start_main_#t~nondet18=|v_ULTIMATE.start_main_#t~nondet18_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet18] 3#L80-1true 11.50/6.81 [2019-03-28 11:59:35,461 INFO L796 eck$LassoCheckResult]: Loop: 3#L80-1true [223] L80-1-->L80-1: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_6) (= v_ULTIMATE.start_main_~x~0_5 (+ (* (- 1) v_ULTIMATE.start_main_~d~0_8) v_ULTIMATE.start_main_~x~0_6))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6, ULTIMATE.start_main_~d~0=v_ULTIMATE.start_main_~d~0_8} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5, ULTIMATE.start_main_~d~0=v_ULTIMATE.start_main_~d~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 3#L80-1true 11.50/6.81 [2019-03-28 11:59:35,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.50/6.81 [2019-03-28 11:59:35,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1914793981, now seen corresponding path program 1 times 11.50/6.81 [2019-03-28 11:59:35,469 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.50/6.81 [2019-03-28 11:59:35,470 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.50/6.81 [2019-03-28 11:59:35,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.50/6.81 [2019-03-28 11:59:35,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.50/6.81 [2019-03-28 11:59:35,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.50/6.81 [2019-03-28 11:59:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.50/6.81 [2019-03-28 11:59:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.50/6.81 [2019-03-28 11:59:35,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.50/6.81 [2019-03-28 11:59:35,548 INFO L82 PathProgramCache]: Analyzing trace with hash 254, now seen corresponding path program 1 times 11.50/6.81 [2019-03-28 11:59:35,548 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.50/6.81 [2019-03-28 11:59:35,549 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.50/6.81 [2019-03-28 11:59:35,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.50/6.81 [2019-03-28 11:59:35,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.50/6.81 [2019-03-28 11:59:35,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.50/6.81 [2019-03-28 11:59:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.50/6.81 [2019-03-28 11:59:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.50/6.81 [2019-03-28 11:59:35,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.50/6.81 [2019-03-28 11:59:35,557 INFO L82 PathProgramCache]: Analyzing trace with hash -770928510, now seen corresponding path program 1 times 11.50/6.81 [2019-03-28 11:59:35,557 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.50/6.81 [2019-03-28 11:59:35,557 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.50/6.81 [2019-03-28 11:59:35,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.50/6.81 [2019-03-28 11:59:35,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.50/6.81 [2019-03-28 11:59:35,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.50/6.81 [2019-03-28 11:59:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.50/6.81 [2019-03-28 11:59:35,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.50/6.81 [2019-03-28 11:59:35,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:59:35 BasicIcfg 11.50/6.81 [2019-03-28 11:59:35,663 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 11.50/6.81 [2019-03-28 11:59:35,663 INFO L168 Benchmark]: Toolchain (without parser) took 1293.31 ms. Allocated memory was 649.6 MB in the beginning and 662.7 MB in the end (delta: 13.1 MB). Free memory was 565.8 MB in the beginning and 552.5 MB in the end (delta: 13.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 50.3 GB. 11.50/6.81 [2019-03-28 11:59:35,665 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 584.3 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.50/6.81 [2019-03-28 11:59:35,666 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.41 ms. Allocated memory is still 649.6 MB. Free memory was 565.8 MB in the beginning and 554.6 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 50.3 GB. 11.50/6.81 [2019-03-28 11:59:35,666 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.47 ms. Allocated memory was 649.6 MB in the beginning and 662.7 MB in the end (delta: 13.1 MB). Free memory was 554.6 MB in the beginning and 629.6 MB in the end (delta: -75.0 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 11.50/6.81 [2019-03-28 11:59:35,667 INFO L168 Benchmark]: Boogie Preprocessor took 32.36 ms. Allocated memory is still 662.7 MB. Free memory was 629.6 MB in the beginning and 625.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 50.3 GB. 11.50/6.81 [2019-03-28 11:59:35,668 INFO L168 Benchmark]: RCFGBuilder took 337.94 ms. Allocated memory is still 662.7 MB. Free memory was 625.7 MB in the beginning and 601.2 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 50.3 GB. 11.50/6.81 [2019-03-28 11:59:35,668 INFO L168 Benchmark]: BlockEncodingV2 took 133.82 ms. Allocated memory is still 662.7 MB. Free memory was 601.2 MB in the beginning and 590.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. 11.50/6.81 [2019-03-28 11:59:35,669 INFO L168 Benchmark]: TraceAbstraction took 170.49 ms. Allocated memory is still 662.7 MB. Free memory was 590.5 MB in the beginning and 578.6 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 50.3 GB. 11.50/6.81 [2019-03-28 11:59:35,669 INFO L168 Benchmark]: BuchiAutomizer took 282.54 ms. Allocated memory is still 662.7 MB. Free memory was 577.5 MB in the beginning and 552.5 MB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 50.3 GB. 11.50/6.81 [2019-03-28 11:59:35,673 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 11.50/6.81 --- Results --- 11.50/6.81 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 11.50/6.81 - StatisticsResult: Initial Icfg 11.50/6.81 48 locations, 83 edges 11.50/6.81 - StatisticsResult: Encoded RCFG 11.50/6.81 40 locations, 108 edges 11.50/6.81 * Results from de.uni_freiburg.informatik.ultimate.core: 11.50/6.81 - StatisticsResult: Toolchain Benchmarks 11.50/6.81 Benchmark results are: 11.50/6.81 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 584.3 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.50/6.81 * CACSL2BoogieTranslator took 233.41 ms. Allocated memory is still 649.6 MB. Free memory was 565.8 MB in the beginning and 554.6 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 50.3 GB. 11.50/6.81 * Boogie Procedure Inliner took 97.47 ms. Allocated memory was 649.6 MB in the beginning and 662.7 MB in the end (delta: 13.1 MB). Free memory was 554.6 MB in the beginning and 629.6 MB in the end (delta: -75.0 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 11.50/6.81 * Boogie Preprocessor took 32.36 ms. Allocated memory is still 662.7 MB. Free memory was 629.6 MB in the beginning and 625.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 50.3 GB. 11.50/6.81 * RCFGBuilder took 337.94 ms. Allocated memory is still 662.7 MB. Free memory was 625.7 MB in the beginning and 601.2 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 50.3 GB. 11.50/6.81 * BlockEncodingV2 took 133.82 ms. Allocated memory is still 662.7 MB. Free memory was 601.2 MB in the beginning and 590.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. 11.50/6.81 * TraceAbstraction took 170.49 ms. Allocated memory is still 662.7 MB. Free memory was 590.5 MB in the beginning and 578.6 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 50.3 GB. 11.50/6.81 * BuchiAutomizer took 282.54 ms. Allocated memory is still 662.7 MB. Free memory was 577.5 MB in the beginning and 552.5 MB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 50.3 GB. 11.50/6.81 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 11.50/6.81 - AllSpecificationsHoldResult: All specifications hold 11.50/6.81 We were not able to verify any specifiation because the program does not contain any specification. 11.50/6.81 - InvariantResult [Line: 19]: Loop Invariant 11.50/6.81 Derived loop invariant: 1 11.50/6.81 - InvariantResult [Line: 19]: Loop Invariant 11.50/6.81 Derived loop invariant: 1 11.50/6.81 - InvariantResult [Line: 19]: Loop Invariant 11.50/6.81 Derived loop invariant: 1 11.50/6.81 - InvariantResult [Line: 19]: Loop Invariant 11.50/6.81 Derived loop invariant: 1 11.50/6.81 - StatisticsResult: Ultimate Automizer benchmark data 11.50/6.81 CFG has 1 procedures, 40 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=40occurred 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, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 11.50/6.81 - StatisticsResult: Constructed decomposition of program 11.50/6.81 Trivial decomposition into one nonterminating module. 11.50/6.81 - StatisticsResult: Timing statistics 11.50/6.81 BüchiAutomizer plugin needed 0.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s 11.50/6.81 - TerminationAnalysisResult: Nontermination possible 11.50/6.81 Buchi Automizer proved that your program is nonterminating for some inputs 11.50/6.81 - FixpointNonTerminationResult [Line: 80]: Nontermination argument in form of an infinite program execution. 11.50/6.81 Nontermination argument in form of an infinite execution 11.50/6.81 State at position 0 is 11.50/6.81 {} 11.50/6.81 State at position 1 is 11.50/6.81 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f1920ca=0, d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58b7f746=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1158f8c=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ecb73a6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25457914=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@291d617f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@78707e05=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@656b264f=0, x=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e10fcb1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29bceca4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27bfbd5e=0} 11.50/6.81 - StatisticsResult: NonterminationArgumentStatistics 11.50/6.81 Fixpoint 11.50/6.81 - NonterminatingLassoResult [Line: 52]: Nonterminating execution 11.50/6.81 Found a nonterminating execution for the following lasso shaped sequence of statements. 11.50/6.81 Stem: 11.50/6.81 [L53] int d = 1; 11.50/6.81 [L54] int x = __VERIFIER_nondet_int(); 11.50/6.81 [L56] COND TRUE __VERIFIER_nondet_int() 11.50/6.81 [L57] d = d - 1 11.50/6.81 [L61] COND FALSE !(__VERIFIER_nondet_int()) 11.50/6.81 [L64] COND FALSE !(__VERIFIER_nondet_int()) 11.50/6.81 [L67] COND FALSE !(__VERIFIER_nondet_int()) 11.50/6.81 [L70] COND FALSE !(__VERIFIER_nondet_int()) 11.50/6.81 [L76] COND FALSE !(__VERIFIER_nondet_int()) 11.50/6.81 Loop: 11.50/6.81 [L80] COND TRUE x > 0 11.50/6.81 [L81] x = x - d 11.50/6.81 End of lasso representation. 11.50/6.81 RESULT: Ultimate proved your program to be incorrect! 11.50/6.81 !SESSION 2019-03-28 11:59:30.608 ----------------------------------------------- 11.50/6.81 eclipse.buildId=unknown 11.50/6.81 java.version=1.8.0_181 11.50/6.81 java.vendor=Oracle Corporation 11.50/6.81 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 11.50/6.81 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 11.50/6.81 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 11.50/6.81 11.50/6.81 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 11:59:35.909 11.50/6.81 !MESSAGE The workspace will exit with unsaved changes in this session. 11.50/6.81 Received shutdown request... 11.50/6.81 Ultimate: 11.50/6.81 GTK+ Version Check 11.50/6.81 EOF