11.51/5.45 NO 11.51/5.45 11.51/5.45 Ultimate: Cannot open display: 11.51/5.45 This is Ultimate 0.1.24-8dc7c08-m 11.51/5.45 [2019-03-28 12:33:16,138 INFO L170 SettingsManager]: Resetting all preferences to default values... 11.51/5.45 [2019-03-28 12:33:16,140 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 11.51/5.45 [2019-03-28 12:33:16,151 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 11.51/5.45 [2019-03-28 12:33:16,152 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 11.51/5.45 [2019-03-28 12:33:16,153 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 11.51/5.45 [2019-03-28 12:33:16,154 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 11.51/5.45 [2019-03-28 12:33:16,155 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 11.51/5.45 [2019-03-28 12:33:16,157 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 11.51/5.45 [2019-03-28 12:33:16,158 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 11.51/5.45 [2019-03-28 12:33:16,159 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 11.51/5.45 [2019-03-28 12:33:16,159 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 11.51/5.45 [2019-03-28 12:33:16,160 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 11.51/5.45 [2019-03-28 12:33:16,161 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 11.51/5.45 [2019-03-28 12:33:16,162 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 11.51/5.45 [2019-03-28 12:33:16,163 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 11.51/5.45 [2019-03-28 12:33:16,164 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 11.51/5.45 [2019-03-28 12:33:16,166 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 11.51/5.45 [2019-03-28 12:33:16,168 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 11.51/5.45 [2019-03-28 12:33:16,169 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 11.51/5.45 [2019-03-28 12:33:16,170 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 11.51/5.45 [2019-03-28 12:33:16,171 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 11.51/5.45 [2019-03-28 12:33:16,173 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 11.51/5.45 [2019-03-28 12:33:16,174 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 11.51/5.45 [2019-03-28 12:33:16,174 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 11.51/5.45 [2019-03-28 12:33:16,175 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 11.51/5.45 [2019-03-28 12:33:16,175 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 11.51/5.45 [2019-03-28 12:33:16,176 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 11.51/5.45 [2019-03-28 12:33:16,176 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 11.51/5.45 [2019-03-28 12:33:16,177 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 11.51/5.45 [2019-03-28 12:33:16,178 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 11.51/5.45 [2019-03-28 12:33:16,178 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 11.51/5.45 [2019-03-28 12:33:16,179 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 11.51/5.45 [2019-03-28 12:33:16,180 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 11.51/5.45 [2019-03-28 12:33:16,180 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 11.51/5.45 [2019-03-28 12:33:16,180 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 11.51/5.45 [2019-03-28 12:33:16,181 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 11.51/5.45 [2019-03-28 12:33:16,182 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 11.51/5.45 [2019-03-28 12:33:16,182 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 11.51/5.45 [2019-03-28 12:33:16,183 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 11.51/5.45 [2019-03-28 12:33:16,197 INFO L110 SettingsManager]: Loading preferences was successful 11.51/5.45 [2019-03-28 12:33:16,198 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 11.51/5.45 [2019-03-28 12:33:16,199 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 11.51/5.45 [2019-03-28 12:33:16,199 INFO L133 SettingsManager]: * Rewrite not-equals=true 11.51/5.45 [2019-03-28 12:33:16,199 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 11.51/5.45 [2019-03-28 12:33:16,199 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 11.51/5.45 [2019-03-28 12:33:16,199 INFO L133 SettingsManager]: * Use SBE=true 11.51/5.45 [2019-03-28 12:33:16,200 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 11.51/5.45 [2019-03-28 12:33:16,200 INFO L133 SettingsManager]: * Use old map elimination=false 11.51/5.45 [2019-03-28 12:33:16,200 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 11.51/5.45 [2019-03-28 12:33:16,200 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 11.51/5.45 [2019-03-28 12:33:16,200 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 11.51/5.45 [2019-03-28 12:33:16,200 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 11.51/5.45 [2019-03-28 12:33:16,201 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 11.51/5.45 [2019-03-28 12:33:16,201 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.51/5.45 [2019-03-28 12:33:16,201 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 11.51/5.45 [2019-03-28 12:33:16,201 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 11.51/5.45 [2019-03-28 12:33:16,201 INFO L133 SettingsManager]: * Check division by zero=IGNORE 11.51/5.45 [2019-03-28 12:33:16,202 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 11.51/5.45 [2019-03-28 12:33:16,202 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 11.51/5.45 [2019-03-28 12:33:16,202 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 11.51/5.45 [2019-03-28 12:33:16,202 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 11.51/5.45 [2019-03-28 12:33:16,202 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 11.51/5.45 [2019-03-28 12:33:16,202 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 11.51/5.45 [2019-03-28 12:33:16,203 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.51/5.45 [2019-03-28 12:33:16,203 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 11.51/5.45 [2019-03-28 12:33:16,203 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 11.51/5.45 [2019-03-28 12:33:16,203 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 11.51/5.45 [2019-03-28 12:33:16,203 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 11.51/5.45 [2019-03-28 12:33:16,229 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 11.51/5.45 [2019-03-28 12:33:16,242 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 11.51/5.45 [2019-03-28 12:33:16,246 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 11.51/5.45 [2019-03-28 12:33:16,247 INFO L271 PluginConnector]: Initializing CDTParser... 11.51/5.45 [2019-03-28 12:33:16,248 INFO L276 PluginConnector]: CDTParser initialized 11.51/5.45 [2019-03-28 12:33:16,248 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 11.51/5.45 [2019-03-28 12:33:16,313 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/34c58048044b4ed19c6d44ace768cd61/FLAGdc67fd68c 11.51/5.45 [2019-03-28 12:33:16,648 INFO L307 CDTParser]: Found 1 translation units. 11.51/5.45 [2019-03-28 12:33:16,649 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 11.51/5.45 [2019-03-28 12:33:16,656 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/34c58048044b4ed19c6d44ace768cd61/FLAGdc67fd68c 11.51/5.45 [2019-03-28 12:33:17,060 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/34c58048044b4ed19c6d44ace768cd61 11.51/5.45 [2019-03-28 12:33:17,071 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 11.51/5.45 [2019-03-28 12:33:17,073 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 11.51/5.45 [2019-03-28 12:33:17,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 11.51/5.45 [2019-03-28 12:33:17,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 11.51/5.45 [2019-03-28 12:33:17,078 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 11.51/5.45 [2019-03-28 12:33:17,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:33:17" (1/1) ... 11.51/5.45 [2019-03-28 12:33:17,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fa11637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:17, skipping insertion in model container 11.51/5.45 [2019-03-28 12:33:17,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:33:17" (1/1) ... 11.51/5.45 [2019-03-28 12:33:17,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 11.51/5.45 [2019-03-28 12:33:17,108 INFO L176 MainTranslator]: Built tables and reachable declarations 11.51/5.45 [2019-03-28 12:33:17,269 INFO L206 PostProcessor]: Analyzing one entry point: main 11.51/5.45 [2019-03-28 12:33:17,274 INFO L191 MainTranslator]: Completed pre-run 11.51/5.45 [2019-03-28 12:33:17,289 INFO L206 PostProcessor]: Analyzing one entry point: main 11.51/5.45 [2019-03-28 12:33:17,305 INFO L195 MainTranslator]: Completed translation 11.51/5.45 [2019-03-28 12:33:17,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:17 WrapperNode 11.51/5.45 [2019-03-28 12:33:17,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 11.51/5.45 [2019-03-28 12:33:17,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 11.51/5.45 [2019-03-28 12:33:17,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 11.51/5.45 [2019-03-28 12:33:17,307 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 11.51/5.45 [2019-03-28 12:33:17,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:17" (1/1) ... 11.51/5.45 [2019-03-28 12:33:17,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:17" (1/1) ... 11.51/5.45 [2019-03-28 12:33:17,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 11.51/5.45 [2019-03-28 12:33:17,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 11.51/5.45 [2019-03-28 12:33:17,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 11.51/5.45 [2019-03-28 12:33:17,405 INFO L276 PluginConnector]: Boogie Preprocessor initialized 11.51/5.45 [2019-03-28 12:33:17,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:17" (1/1) ... 11.51/5.45 [2019-03-28 12:33:17,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:17" (1/1) ... 11.51/5.45 [2019-03-28 12:33:17,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:17" (1/1) ... 11.51/5.45 [2019-03-28 12:33:17,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:17" (1/1) ... 11.51/5.45 [2019-03-28 12:33:17,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:17" (1/1) ... 11.51/5.45 [2019-03-28 12:33:17,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:17" (1/1) ... 11.51/5.45 [2019-03-28 12:33:17,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:17" (1/1) ... 11.51/5.45 [2019-03-28 12:33:17,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 11.51/5.45 [2019-03-28 12:33:17,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 11.51/5.45 [2019-03-28 12:33:17,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... 11.51/5.45 [2019-03-28 12:33:17,424 INFO L276 PluginConnector]: RCFGBuilder initialized 11.51/5.45 [2019-03-28 12:33:17,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:17" (1/1) ... 11.51/5.45 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 11.51/5.45 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 11.51/5.45 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.51/5.45 [2019-03-28 12:33:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 11.51/5.45 [2019-03-28 12:33:17,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 11.51/5.45 [2019-03-28 12:33:17,610 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 11.51/5.45 [2019-03-28 12:33:17,611 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 11.51/5.45 [2019-03-28 12:33:17,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:33:17 BoogieIcfgContainer 11.51/5.45 [2019-03-28 12:33:17,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 11.51/5.45 [2019-03-28 12:33:17,613 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 11.51/5.45 [2019-03-28 12:33:17,613 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 11.51/5.45 [2019-03-28 12:33:17,615 INFO L276 PluginConnector]: BlockEncodingV2 initialized 11.51/5.45 [2019-03-28 12:33:17,616 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:33:17" (1/1) ... 11.51/5.45 [2019-03-28 12:33:17,630 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 11.51/5.45 [2019-03-28 12:33:17,632 INFO L258 BlockEncoder]: Using Remove infeasible edges 11.51/5.45 [2019-03-28 12:33:17,633 INFO L263 BlockEncoder]: Using Maximize final states 11.51/5.45 [2019-03-28 12:33:17,633 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 11.51/5.45 [2019-03-28 12:33:17,634 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 11.51/5.45 [2019-03-28 12:33:17,636 INFO L296 BlockEncoder]: Using Remove sink states 11.51/5.45 [2019-03-28 12:33:17,637 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 11.51/5.45 [2019-03-28 12:33:17,637 INFO L179 BlockEncoder]: Using Rewrite not-equals 11.51/5.45 [2019-03-28 12:33:17,652 INFO L185 BlockEncoder]: Using Use SBE 11.51/5.45 [2019-03-28 12:33:17,667 INFO L200 BlockEncoder]: SBE split 1 edges 11.51/5.45 [2019-03-28 12:33:17,672 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 11.51/5.45 [2019-03-28 12:33:17,673 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.51/5.45 [2019-03-28 12:33:17,683 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 11.51/5.45 [2019-03-28 12:33:17,685 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states 11.51/5.45 [2019-03-28 12:33:17,686 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 11.51/5.45 [2019-03-28 12:33:17,687 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.51/5.45 [2019-03-28 12:33:17,691 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 11.51/5.45 [2019-03-28 12:33:17,692 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.51/5.45 [2019-03-28 12:33:17,692 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 11.51/5.45 [2019-03-28 12:33:17,692 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.51/5.45 [2019-03-28 12:33:17,692 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 11.51/5.45 [2019-03-28 12:33:17,693 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.51/5.45 [2019-03-28 12:33:17,693 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 11.51/5.45 [2019-03-28 12:33:17,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:33:17 BasicIcfg 11.51/5.45 [2019-03-28 12:33:17,694 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 11.51/5.45 [2019-03-28 12:33:17,695 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 11.51/5.45 [2019-03-28 12:33:17,695 INFO L271 PluginConnector]: Initializing TraceAbstraction... 11.51/5.45 [2019-03-28 12:33:17,698 INFO L276 PluginConnector]: TraceAbstraction initialized 11.51/5.45 [2019-03-28 12:33:17,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:33:17" (1/4) ... 11.51/5.45 [2019-03-28 12:33:17,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c35e61d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:33:17, skipping insertion in model container 11.51/5.45 [2019-03-28 12:33:17,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:17" (2/4) ... 11.51/5.45 [2019-03-28 12:33:17,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c35e61d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:33:17, skipping insertion in model container 11.51/5.45 [2019-03-28 12:33:17,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:33:17" (3/4) ... 11.51/5.45 [2019-03-28 12:33:17,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c35e61d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:33:17, skipping insertion in model container 11.51/5.45 [2019-03-28 12:33:17,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:33:17" (4/4) ... 11.51/5.45 [2019-03-28 12:33:17,703 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.51/5.45 [2019-03-28 12:33:17,713 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 11.51/5.45 [2019-03-28 12:33:17,720 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 11.51/5.45 [2019-03-28 12:33:17,738 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 11.51/5.45 [2019-03-28 12:33:17,767 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.51/5.45 [2019-03-28 12:33:17,768 INFO L382 AbstractCegarLoop]: Interprodecural is true 11.51/5.45 [2019-03-28 12:33:17,768 INFO L383 AbstractCegarLoop]: Hoare is true 11.51/5.45 [2019-03-28 12:33:17,768 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 11.51/5.45 [2019-03-28 12:33:17,768 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 11.51/5.45 [2019-03-28 12:33:17,768 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.51/5.45 [2019-03-28 12:33:17,769 INFO L387 AbstractCegarLoop]: Difference is false 11.51/5.45 [2019-03-28 12:33:17,769 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 11.51/5.45 [2019-03-28 12:33:17,769 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 11.51/5.45 [2019-03-28 12:33:17,783 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 11.51/5.45 [2019-03-28 12:33:17,789 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 11.51/5.45 [2019-03-28 12:33:17,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 11.51/5.45 [2019-03-28 12:33:17,842 INFO L451 ceAbstractionStarter]: At program point L16-2(lines 16 18) the Hoare annotation is: true 11.51/5.45 [2019-03-28 12:33:17,842 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 11.51/5.45 [2019-03-28 12:33:17,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:33:17 BasicIcfg 11.51/5.45 [2019-03-28 12:33:17,850 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 11.51/5.45 [2019-03-28 12:33:17,851 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 11.51/5.45 [2019-03-28 12:33:17,851 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 11.51/5.45 [2019-03-28 12:33:17,854 INFO L276 PluginConnector]: BuchiAutomizer initialized 11.51/5.45 [2019-03-28 12:33:17,855 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.51/5.45 [2019-03-28 12:33:17,855 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:33:17" (1/5) ... 11.51/5.45 [2019-03-28 12:33:17,856 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@635c66a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:33:17, skipping insertion in model container 11.51/5.45 [2019-03-28 12:33:17,856 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.51/5.45 [2019-03-28 12:33:17,856 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:17" (2/5) ... 11.51/5.45 [2019-03-28 12:33:17,857 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@635c66a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:33:17, skipping insertion in model container 11.51/5.45 [2019-03-28 12:33:17,857 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.51/5.45 [2019-03-28 12:33:17,857 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:33:17" (3/5) ... 11.51/5.45 [2019-03-28 12:33:17,857 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@635c66a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:33:17, skipping insertion in model container 11.51/5.45 [2019-03-28 12:33:17,857 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.51/5.45 [2019-03-28 12:33:17,858 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:33:17" (4/5) ... 11.51/5.45 [2019-03-28 12:33:17,858 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@635c66a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:33:17, skipping insertion in model container 11.51/5.45 [2019-03-28 12:33:17,858 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.51/5.45 [2019-03-28 12:33:17,859 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:33:17" (5/5) ... 11.51/5.45 [2019-03-28 12:33:17,860 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.51/5.45 [2019-03-28 12:33:17,888 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.51/5.45 [2019-03-28 12:33:17,888 INFO L374 BuchiCegarLoop]: Interprodecural is true 11.51/5.45 [2019-03-28 12:33:17,888 INFO L375 BuchiCegarLoop]: Hoare is true 11.51/5.45 [2019-03-28 12:33:17,889 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 11.51/5.45 [2019-03-28 12:33:17,889 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 11.51/5.45 [2019-03-28 12:33:17,889 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.51/5.45 [2019-03-28 12:33:17,889 INFO L379 BuchiCegarLoop]: Difference is false 11.51/5.45 [2019-03-28 12:33:17,889 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 11.51/5.45 [2019-03-28 12:33:17,889 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 11.51/5.45 [2019-03-28 12:33:17,893 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 11.51/5.45 [2019-03-28 12:33:17,911 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 11.51/5.45 [2019-03-28 12:33:17,911 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.51/5.45 [2019-03-28 12:33:17,912 INFO L119 BuchiIsEmpty]: Starting construction of run 11.51/5.45 [2019-03-28 12:33:17,917 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 11.51/5.45 [2019-03-28 12:33:17,917 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 11.51/5.45 [2019-03-28 12:33:17,917 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 11.51/5.45 [2019-03-28 12:33:17,918 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 11.51/5.45 [2019-03-28 12:33:17,918 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 11.51/5.45 [2019-03-28 12:33:17,918 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.51/5.45 [2019-03-28 12:33:17,918 INFO L119 BuchiIsEmpty]: Starting construction of run 11.51/5.45 [2019-03-28 12:33:17,918 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 11.51/5.45 [2019-03-28 12:33:17,919 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 11.51/5.45 [2019-03-28 12:33:17,924 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [38] ULTIMATE.startENTRY-->L16-2: Formula: (= 0 v_ULTIMATE.start_main_~c~0_7) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_7|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~x~0] 4#L16-2true 11.51/5.45 [2019-03-28 12:33:17,924 INFO L796 eck$LassoCheckResult]: Loop: 4#L16-2true [31] L16-2-->L16-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_6) (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 v_ULTIMATE.start_main_~c~0_6))) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 4#L16-2true 11.51/5.45 [2019-03-28 12:33:17,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.51/5.45 [2019-03-28 12:33:17,930 INFO L82 PathProgramCache]: Analyzing trace with hash 69, now seen corresponding path program 1 times 11.51/5.45 [2019-03-28 12:33:17,932 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.51/5.45 [2019-03-28 12:33:17,933 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.51/5.45 [2019-03-28 12:33:17,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.51/5.45 [2019-03-28 12:33:17,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.51/5.45 [2019-03-28 12:33:17,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.51/5.45 [2019-03-28 12:33:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.51/5.45 [2019-03-28 12:33:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.51/5.45 [2019-03-28 12:33:17,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.51/5.45 [2019-03-28 12:33:17,999 INFO L82 PathProgramCache]: Analyzing trace with hash 62, now seen corresponding path program 1 times 11.51/5.45 [2019-03-28 12:33:18,000 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.51/5.45 [2019-03-28 12:33:18,000 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.51/5.45 [2019-03-28 12:33:18,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.51/5.45 [2019-03-28 12:33:18,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.51/5.45 [2019-03-28 12:33:18,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.51/5.45 [2019-03-28 12:33:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.51/5.45 [2019-03-28 12:33:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.51/5.45 [2019-03-28 12:33:18,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.51/5.45 [2019-03-28 12:33:18,015 INFO L82 PathProgramCache]: Analyzing trace with hash 2170, now seen corresponding path program 1 times 11.51/5.45 [2019-03-28 12:33:18,015 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.51/5.45 [2019-03-28 12:33:18,015 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.51/5.45 [2019-03-28 12:33:18,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.51/5.45 [2019-03-28 12:33:18,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.51/5.45 [2019-03-28 12:33:18,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.51/5.45 [2019-03-28 12:33:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.51/5.45 [2019-03-28 12:33:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.51/5.45 [2019-03-28 12:33:18,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:33:18 BasicIcfg 11.51/5.45 [2019-03-28 12:33:18,079 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 11.51/5.45 [2019-03-28 12:33:18,080 INFO L168 Benchmark]: Toolchain (without parser) took 1007.64 ms. Allocated memory was 649.6 MB in the beginning and 674.2 MB in the end (delta: 24.6 MB). Free memory was 558.5 MB in the beginning and 589.8 MB in the end (delta: -31.3 MB). There was no memory consumed. Max. memory is 50.3 GB. 11.51/5.45 [2019-03-28 12:33:18,082 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.51/5.45 [2019-03-28 12:33:18,082 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.91 ms. Allocated memory is still 649.6 MB. Free memory was 558.5 MB in the beginning and 549.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 11.51/5.45 [2019-03-28 12:33:18,083 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.57 ms. Allocated memory was 649.6 MB in the beginning and 674.2 MB in the end (delta: 24.6 MB). Free memory was 549.1 MB in the beginning and 640.8 MB in the end (delta: -91.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 50.3 GB. 11.51/5.45 [2019-03-28 12:33:18,084 INFO L168 Benchmark]: Boogie Preprocessor took 19.27 ms. Allocated memory is still 674.2 MB. Free memory was 639.4 MB in the beginning and 637.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 11.51/5.45 [2019-03-28 12:33:18,084 INFO L168 Benchmark]: RCFGBuilder took 188.27 ms. Allocated memory is still 674.2 MB. Free memory was 637.7 MB in the beginning and 624.7 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 11.51/5.45 [2019-03-28 12:33:18,085 INFO L168 Benchmark]: BlockEncodingV2 took 81.12 ms. Allocated memory is still 674.2 MB. Free memory was 624.7 MB in the beginning and 618.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 11.51/5.45 [2019-03-28 12:33:18,086 INFO L168 Benchmark]: TraceAbstraction took 155.59 ms. Allocated memory is still 674.2 MB. Free memory was 618.2 MB in the beginning and 608.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 11.51/5.45 [2019-03-28 12:33:18,086 INFO L168 Benchmark]: BuchiAutomizer took 228.53 ms. Allocated memory is still 674.2 MB. Free memory was 608.8 MB in the beginning and 589.8 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 50.3 GB. 11.51/5.45 [2019-03-28 12:33:18,091 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 11.51/5.45 --- Results --- 11.51/5.45 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 11.51/5.45 - StatisticsResult: Initial Icfg 11.51/5.45 7 locations, 9 edges 11.51/5.45 - StatisticsResult: Encoded RCFG 11.51/5.45 2 locations, 2 edges 11.51/5.45 * Results from de.uni_freiburg.informatik.ultimate.core: 11.51/5.45 - StatisticsResult: Toolchain Benchmarks 11.51/5.45 Benchmark results are: 11.51/5.45 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.51/5.45 * CACSL2BoogieTranslator took 231.91 ms. Allocated memory is still 649.6 MB. Free memory was 558.5 MB in the beginning and 549.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 11.51/5.45 * Boogie Procedure Inliner took 97.57 ms. Allocated memory was 649.6 MB in the beginning and 674.2 MB in the end (delta: 24.6 MB). Free memory was 549.1 MB in the beginning and 640.8 MB in the end (delta: -91.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 50.3 GB. 11.51/5.45 * Boogie Preprocessor took 19.27 ms. Allocated memory is still 674.2 MB. Free memory was 639.4 MB in the beginning and 637.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 11.51/5.45 * RCFGBuilder took 188.27 ms. Allocated memory is still 674.2 MB. Free memory was 637.7 MB in the beginning and 624.7 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 11.51/5.45 * BlockEncodingV2 took 81.12 ms. Allocated memory is still 674.2 MB. Free memory was 624.7 MB in the beginning and 618.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 11.51/5.45 * TraceAbstraction took 155.59 ms. Allocated memory is still 674.2 MB. Free memory was 618.2 MB in the beginning and 608.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 11.51/5.45 * BuchiAutomizer took 228.53 ms. Allocated memory is still 674.2 MB. Free memory was 608.8 MB in the beginning and 589.8 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 50.3 GB. 11.51/5.45 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 11.51/5.45 - AllSpecificationsHoldResult: All specifications hold 11.51/5.45 We were not able to verify any specifiation because the program does not contain any specification. 11.51/5.45 - InvariantResult [Line: 16]: Loop Invariant 11.51/5.45 Derived loop invariant: 1 11.51/5.45 - StatisticsResult: Ultimate Automizer benchmark data 11.51/5.45 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 11.51/5.45 - StatisticsResult: Constructed decomposition of program 11.51/5.45 Trivial decomposition into one nonterminating module. 11.51/5.45 - StatisticsResult: Timing statistics 11.51/5.45 BüchiAutomizer plugin needed 0.1s 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 11.51/5.45 - TerminationAnalysisResult: Nontermination possible 11.51/5.45 Buchi Automizer proved that your program is nonterminating for some inputs 11.51/5.45 - FixpointNonTerminationResult [Line: 16]: Nontermination argument in form of an infinite program execution. 11.51/5.45 Nontermination argument in form of an infinite execution 11.51/5.45 State at position 0 is 11.51/5.45 {} 11.51/5.45 State at position 1 is 11.51/5.45 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72d7c936=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@61e92cf9=0, c=0, x=0} 11.51/5.45 - StatisticsResult: NonterminationArgumentStatistics 11.51/5.45 Fixpoint 11.51/5.45 - NonterminatingLassoResult [Line: 16]: Nonterminating execution 11.51/5.45 Found a nonterminating execution for the following lasso shaped sequence of statements. 11.51/5.45 Stem: 11.51/5.45 [L10] int x = __VERIFIER_nondet_int(); 11.51/5.45 [L11] int c = __VERIFIER_nondet_int(); 11.51/5.45 [L13] COND FALSE !(c != 0) 11.51/5.45 Loop: 11.51/5.45 [L16] COND TRUE x >= 0 11.51/5.45 [L17] x += c 11.51/5.45 End of lasso representation. 11.51/5.45 RESULT: Ultimate proved your program to be incorrect! 11.51/5.45 !SESSION 2019-03-28 12:33:13.792 ----------------------------------------------- 11.51/5.45 eclipse.buildId=unknown 11.51/5.45 java.version=1.8.0_181 11.51/5.45 java.vendor=Oracle Corporation 11.51/5.45 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 11.51/5.45 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 11.51/5.45 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 11.51/5.45 11.51/5.45 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:33:18.326 11.51/5.45 !MESSAGE The workspace will exit with unsaved changes in this session. 11.51/5.45 Received shutdown request... 11.51/5.45 Ultimate: 11.51/5.45 GTK+ Version Check 11.51/5.45 EOF