11.37/5.33 NO 11.37/5.33 11.37/5.33 Ultimate: Cannot open display: 11.37/5.33 This is Ultimate 0.1.24-8dc7c08-m 11.37/5.33 [2019-03-29 01:56:44,133 INFO L170 SettingsManager]: Resetting all preferences to default values... 11.37/5.33 [2019-03-29 01:56:44,135 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 11.37/5.33 [2019-03-29 01:56:44,146 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 11.37/5.33 [2019-03-29 01:56:44,147 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 11.37/5.33 [2019-03-29 01:56:44,148 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 11.37/5.33 [2019-03-29 01:56:44,149 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 11.37/5.33 [2019-03-29 01:56:44,150 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 11.37/5.33 [2019-03-29 01:56:44,152 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 11.37/5.33 [2019-03-29 01:56:44,153 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 11.37/5.33 [2019-03-29 01:56:44,154 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 11.37/5.33 [2019-03-29 01:56:44,154 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 11.37/5.33 [2019-03-29 01:56:44,155 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 11.37/5.33 [2019-03-29 01:56:44,156 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 11.37/5.33 [2019-03-29 01:56:44,157 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 11.37/5.33 [2019-03-29 01:56:44,157 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 11.37/5.33 [2019-03-29 01:56:44,158 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 11.37/5.33 [2019-03-29 01:56:44,160 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 11.37/5.33 [2019-03-29 01:56:44,162 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 11.37/5.33 [2019-03-29 01:56:44,163 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 11.37/5.33 [2019-03-29 01:56:44,164 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 11.37/5.33 [2019-03-29 01:56:44,165 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 11.37/5.33 [2019-03-29 01:56:44,167 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 11.37/5.33 [2019-03-29 01:56:44,168 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 11.37/5.33 [2019-03-29 01:56:44,168 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 11.37/5.33 [2019-03-29 01:56:44,169 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 11.37/5.33 [2019-03-29 01:56:44,169 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 11.37/5.33 [2019-03-29 01:56:44,170 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 11.37/5.33 [2019-03-29 01:56:44,170 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 11.37/5.33 [2019-03-29 01:56:44,171 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 11.37/5.33 [2019-03-29 01:56:44,172 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 11.37/5.33 [2019-03-29 01:56:44,172 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 11.37/5.33 [2019-03-29 01:56:44,173 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 11.37/5.33 [2019-03-29 01:56:44,174 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 11.37/5.33 [2019-03-29 01:56:44,174 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 11.37/5.33 [2019-03-29 01:56:44,174 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 11.37/5.33 [2019-03-29 01:56:44,174 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 11.37/5.33 [2019-03-29 01:56:44,175 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 11.37/5.33 [2019-03-29 01:56:44,176 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 11.37/5.33 [2019-03-29 01:56:44,176 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 11.37/5.33 [2019-03-29 01:56:44,191 INFO L110 SettingsManager]: Loading preferences was successful 11.37/5.33 [2019-03-29 01:56:44,191 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 11.37/5.33 [2019-03-29 01:56:44,192 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 11.37/5.33 [2019-03-29 01:56:44,192 INFO L133 SettingsManager]: * Rewrite not-equals=true 11.37/5.33 [2019-03-29 01:56:44,193 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 11.37/5.33 [2019-03-29 01:56:44,193 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 11.37/5.33 [2019-03-29 01:56:44,193 INFO L133 SettingsManager]: * Use SBE=true 11.37/5.33 [2019-03-29 01:56:44,193 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 11.37/5.33 [2019-03-29 01:56:44,193 INFO L133 SettingsManager]: * Use old map elimination=false 11.37/5.33 [2019-03-29 01:56:44,193 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 11.37/5.33 [2019-03-29 01:56:44,194 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 11.37/5.33 [2019-03-29 01:56:44,194 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 11.37/5.33 [2019-03-29 01:56:44,194 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 11.37/5.33 [2019-03-29 01:56:44,194 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 11.37/5.33 [2019-03-29 01:56:44,194 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.37/5.33 [2019-03-29 01:56:44,195 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 11.37/5.33 [2019-03-29 01:56:44,195 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 11.37/5.33 [2019-03-29 01:56:44,195 INFO L133 SettingsManager]: * Check division by zero=IGNORE 11.37/5.33 [2019-03-29 01:56:44,195 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 11.37/5.33 [2019-03-29 01:56:44,195 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 11.37/5.33 [2019-03-29 01:56:44,195 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 11.37/5.33 [2019-03-29 01:56:44,196 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 11.37/5.33 [2019-03-29 01:56:44,196 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 11.37/5.33 [2019-03-29 01:56:44,196 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 11.37/5.33 [2019-03-29 01:56:44,196 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.37/5.33 [2019-03-29 01:56:44,196 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 11.37/5.33 [2019-03-29 01:56:44,197 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 11.37/5.33 [2019-03-29 01:56:44,197 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 11.37/5.33 [2019-03-29 01:56:44,197 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 11.37/5.33 [2019-03-29 01:56:44,222 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 11.37/5.33 [2019-03-29 01:56:44,235 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 11.37/5.33 [2019-03-29 01:56:44,239 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 11.37/5.33 [2019-03-29 01:56:44,240 INFO L271 PluginConnector]: Initializing CDTParser... 11.37/5.33 [2019-03-29 01:56:44,241 INFO L276 PluginConnector]: CDTParser initialized 11.37/5.33 [2019-03-29 01:56:44,241 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 11.37/5.33 [2019-03-29 01:56:44,311 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/83c9afd830e54ecfa4618279d4fe18ad/FLAG92a4b36eb 11.37/5.33 [2019-03-29 01:56:44,645 INFO L307 CDTParser]: Found 1 translation units. 11.37/5.33 [2019-03-29 01:56:44,646 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 11.37/5.33 [2019-03-29 01:56:44,652 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/83c9afd830e54ecfa4618279d4fe18ad/FLAG92a4b36eb 11.37/5.33 [2019-03-29 01:56:45,054 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/83c9afd830e54ecfa4618279d4fe18ad 11.37/5.33 [2019-03-29 01:56:45,065 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 11.37/5.33 [2019-03-29 01:56:45,067 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 11.37/5.33 [2019-03-29 01:56:45,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 11.37/5.33 [2019-03-29 01:56:45,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 11.37/5.33 [2019-03-29 01:56:45,072 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 11.37/5.33 [2019-03-29 01:56:45,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:56:45" (1/1) ... 11.37/5.33 [2019-03-29 01:56:45,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66994e4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:56:45, skipping insertion in model container 11.37/5.33 [2019-03-29 01:56:45,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:56:45" (1/1) ... 11.37/5.33 [2019-03-29 01:56:45,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 11.37/5.33 [2019-03-29 01:56:45,102 INFO L176 MainTranslator]: Built tables and reachable declarations 11.37/5.33 [2019-03-29 01:56:45,259 INFO L206 PostProcessor]: Analyzing one entry point: main 11.37/5.33 [2019-03-29 01:56:45,264 INFO L191 MainTranslator]: Completed pre-run 11.37/5.33 [2019-03-29 01:56:45,280 INFO L206 PostProcessor]: Analyzing one entry point: main 11.37/5.33 [2019-03-29 01:56:45,295 INFO L195 MainTranslator]: Completed translation 11.37/5.33 [2019-03-29 01:56:45,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:56:45 WrapperNode 11.37/5.33 [2019-03-29 01:56:45,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 11.37/5.33 [2019-03-29 01:56:45,297 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 11.37/5.33 [2019-03-29 01:56:45,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 11.37/5.33 [2019-03-29 01:56:45,297 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 11.37/5.33 [2019-03-29 01:56:45,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:56:45" (1/1) ... 11.37/5.33 [2019-03-29 01:56:45,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:56:45" (1/1) ... 11.37/5.33 [2019-03-29 01:56:45,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 11.37/5.33 [2019-03-29 01:56:45,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 11.37/5.33 [2019-03-29 01:56:45,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 11.37/5.33 [2019-03-29 01:56:45,393 INFO L276 PluginConnector]: Boogie Preprocessor initialized 11.37/5.33 [2019-03-29 01:56:45,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:56:45" (1/1) ... 11.37/5.33 [2019-03-29 01:56:45,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:56:45" (1/1) ... 11.37/5.33 [2019-03-29 01:56:45,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:56:45" (1/1) ... 11.37/5.33 [2019-03-29 01:56:45,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:56:45" (1/1) ... 11.37/5.33 [2019-03-29 01:56:45,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:56:45" (1/1) ... 11.37/5.33 [2019-03-29 01:56:45,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:56:45" (1/1) ... 11.37/5.33 [2019-03-29 01:56:45,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:56:45" (1/1) ... 11.37/5.33 [2019-03-29 01:56:45,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 11.37/5.33 [2019-03-29 01:56:45,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 11.37/5.33 [2019-03-29 01:56:45,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... 11.37/5.33 [2019-03-29 01:56:45,413 INFO L276 PluginConnector]: RCFGBuilder initialized 11.37/5.33 [2019-03-29 01:56:45,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:56:45" (1/1) ... 11.37/5.33 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 11.37/5.33 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 11.37/5.33 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.37/5.33 [2019-03-29 01:56:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 11.37/5.33 [2019-03-29 01:56:45,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 11.37/5.33 [2019-03-29 01:56:45,600 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 11.37/5.33 [2019-03-29 01:56:45,600 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 11.37/5.33 [2019-03-29 01:56:45,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:56:45 BoogieIcfgContainer 11.37/5.33 [2019-03-29 01:56:45,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 11.37/5.33 [2019-03-29 01:56:45,602 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 11.37/5.33 [2019-03-29 01:56:45,602 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 11.37/5.33 [2019-03-29 01:56:45,604 INFO L276 PluginConnector]: BlockEncodingV2 initialized 11.37/5.33 [2019-03-29 01:56:45,605 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:56:45" (1/1) ... 11.37/5.33 [2019-03-29 01:56:45,620 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 11.37/5.33 [2019-03-29 01:56:45,622 INFO L258 BlockEncoder]: Using Remove infeasible edges 11.37/5.33 [2019-03-29 01:56:45,622 INFO L263 BlockEncoder]: Using Maximize final states 11.37/5.33 [2019-03-29 01:56:45,623 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 11.37/5.33 [2019-03-29 01:56:45,623 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 11.37/5.33 [2019-03-29 01:56:45,625 INFO L296 BlockEncoder]: Using Remove sink states 11.37/5.33 [2019-03-29 01:56:45,626 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 11.37/5.33 [2019-03-29 01:56:45,626 INFO L179 BlockEncoder]: Using Rewrite not-equals 11.37/5.33 [2019-03-29 01:56:45,641 INFO L185 BlockEncoder]: Using Use SBE 11.37/5.33 [2019-03-29 01:56:45,654 INFO L200 BlockEncoder]: SBE split 1 edges 11.37/5.33 [2019-03-29 01:56:45,659 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 11.37/5.33 [2019-03-29 01:56:45,661 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.37/5.33 [2019-03-29 01:56:45,671 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 11.37/5.33 [2019-03-29 01:56:45,673 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states 11.37/5.33 [2019-03-29 01:56:45,675 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 11.37/5.33 [2019-03-29 01:56:45,675 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.37/5.33 [2019-03-29 01:56:45,679 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 11.37/5.33 [2019-03-29 01:56:45,680 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.37/5.33 [2019-03-29 01:56:45,680 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 11.37/5.33 [2019-03-29 01:56:45,680 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.37/5.33 [2019-03-29 01:56:45,680 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 11.37/5.33 [2019-03-29 01:56:45,681 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.37/5.33 [2019-03-29 01:56:45,681 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 11.37/5.33 [2019-03-29 01:56:45,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:56:45 BasicIcfg 11.37/5.33 [2019-03-29 01:56:45,682 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 11.37/5.33 [2019-03-29 01:56:45,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 11.37/5.33 [2019-03-29 01:56:45,683 INFO L271 PluginConnector]: Initializing TraceAbstraction... 11.37/5.33 [2019-03-29 01:56:45,687 INFO L276 PluginConnector]: TraceAbstraction initialized 11.37/5.33 [2019-03-29 01:56:45,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 01:56:45" (1/4) ... 11.37/5.33 [2019-03-29 01:56:45,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1251aa7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:56:45, skipping insertion in model container 11.37/5.33 [2019-03-29 01:56:45,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:56:45" (2/4) ... 11.37/5.33 [2019-03-29 01:56:45,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1251aa7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:56:45, skipping insertion in model container 11.37/5.33 [2019-03-29 01:56:45,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:56:45" (3/4) ... 11.37/5.33 [2019-03-29 01:56:45,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1251aa7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:56:45, skipping insertion in model container 11.37/5.33 [2019-03-29 01:56:45,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:56:45" (4/4) ... 11.37/5.33 [2019-03-29 01:56:45,691 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.37/5.33 [2019-03-29 01:56:45,700 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 11.37/5.33 [2019-03-29 01:56:45,708 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 11.37/5.33 [2019-03-29 01:56:45,725 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 11.37/5.33 [2019-03-29 01:56:45,754 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.37/5.33 [2019-03-29 01:56:45,755 INFO L382 AbstractCegarLoop]: Interprodecural is true 11.37/5.33 [2019-03-29 01:56:45,755 INFO L383 AbstractCegarLoop]: Hoare is true 11.37/5.33 [2019-03-29 01:56:45,755 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 11.37/5.33 [2019-03-29 01:56:45,755 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 11.37/5.33 [2019-03-29 01:56:45,756 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.37/5.33 [2019-03-29 01:56:45,756 INFO L387 AbstractCegarLoop]: Difference is false 11.37/5.33 [2019-03-29 01:56:45,756 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 11.37/5.33 [2019-03-29 01:56:45,756 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 11.37/5.33 [2019-03-29 01:56:45,770 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 11.37/5.33 [2019-03-29 01:56:45,776 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 11.37/5.33 [2019-03-29 01:56:45,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 11.37/5.33 [2019-03-29 01:56:45,828 INFO L451 ceAbstractionStarter]: At program point L16-2(lines 16 18) the Hoare annotation is: true 11.37/5.33 [2019-03-29 01:56:45,829 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 11.37/5.33 [2019-03-29 01:56:45,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:56:45 BasicIcfg 11.37/5.33 [2019-03-29 01:56:45,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 11.37/5.33 [2019-03-29 01:56:45,837 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 11.37/5.33 [2019-03-29 01:56:45,838 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 11.37/5.33 [2019-03-29 01:56:45,841 INFO L276 PluginConnector]: BuchiAutomizer initialized 11.37/5.33 [2019-03-29 01:56:45,842 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.37/5.33 [2019-03-29 01:56:45,842 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 01:56:45" (1/5) ... 11.37/5.33 [2019-03-29 01:56:45,842 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9bbe675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:56:45, skipping insertion in model container 11.37/5.33 [2019-03-29 01:56:45,843 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.37/5.33 [2019-03-29 01:56:45,843 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:56:45" (2/5) ... 11.37/5.33 [2019-03-29 01:56:45,843 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9bbe675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:56:45, skipping insertion in model container 11.37/5.33 [2019-03-29 01:56:45,843 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.37/5.33 [2019-03-29 01:56:45,844 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:56:45" (3/5) ... 11.37/5.33 [2019-03-29 01:56:45,844 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9bbe675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:56:45, skipping insertion in model container 11.37/5.33 [2019-03-29 01:56:45,844 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.37/5.33 [2019-03-29 01:56:45,844 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:56:45" (4/5) ... 11.37/5.33 [2019-03-29 01:56:45,845 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9bbe675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:56:45, skipping insertion in model container 11.37/5.33 [2019-03-29 01:56:45,845 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.37/5.33 [2019-03-29 01:56:45,845 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:56:45" (5/5) ... 11.37/5.33 [2019-03-29 01:56:45,846 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.37/5.33 [2019-03-29 01:56:45,874 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.37/5.33 [2019-03-29 01:56:45,874 INFO L374 BuchiCegarLoop]: Interprodecural is true 11.37/5.33 [2019-03-29 01:56:45,874 INFO L375 BuchiCegarLoop]: Hoare is true 11.37/5.33 [2019-03-29 01:56:45,875 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 11.37/5.33 [2019-03-29 01:56:45,875 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 11.37/5.33 [2019-03-29 01:56:45,875 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.37/5.33 [2019-03-29 01:56:45,875 INFO L379 BuchiCegarLoop]: Difference is false 11.37/5.33 [2019-03-29 01:56:45,875 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 11.37/5.33 [2019-03-29 01:56:45,875 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 11.37/5.33 [2019-03-29 01:56:45,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 11.37/5.33 [2019-03-29 01:56:45,897 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 11.37/5.33 [2019-03-29 01:56:45,897 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.37/5.33 [2019-03-29 01:56:45,897 INFO L119 BuchiIsEmpty]: Starting construction of run 11.37/5.33 [2019-03-29 01:56:45,902 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 11.37/5.33 [2019-03-29 01:56:45,903 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 11.37/5.33 [2019-03-29 01:56:45,903 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 11.37/5.33 [2019-03-29 01:56:45,903 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 11.37/5.33 [2019-03-29 01:56:45,903 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 11.37/5.33 [2019-03-29 01:56:45,904 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.37/5.33 [2019-03-29 01:56:45,904 INFO L119 BuchiIsEmpty]: Starting construction of run 11.37/5.33 [2019-03-29 01:56:45,904 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 11.37/5.33 [2019-03-29 01:56:45,904 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 11.37/5.33 [2019-03-29 01:56:45,909 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [39] ULTIMATE.startENTRY-->L16-2: Formula: (= 0 v_ULTIMATE.start_main_~c~0_9) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~x~0] 4#L16-2true 11.37/5.33 [2019-03-29 01:56:45,910 INFO L796 eck$LassoCheckResult]: Loop: 4#L16-2true [30] L16-2-->L16-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~c~0_8 v_ULTIMATE.start_main_~x~0_8))) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 4#L16-2true 11.37/5.33 [2019-03-29 01:56:45,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.37/5.33 [2019-03-29 01:56:45,916 INFO L82 PathProgramCache]: Analyzing trace with hash 70, now seen corresponding path program 1 times 11.37/5.33 [2019-03-29 01:56:45,918 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.37/5.33 [2019-03-29 01:56:45,918 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.37/5.33 [2019-03-29 01:56:45,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.37/5.33 [2019-03-29 01:56:45,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.37/5.33 [2019-03-29 01:56:45,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.37/5.33 [2019-03-29 01:56:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.37/5.33 [2019-03-29 01:56:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.37/5.33 [2019-03-29 01:56:45,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.37/5.33 [2019-03-29 01:56:45,984 INFO L82 PathProgramCache]: Analyzing trace with hash 61, now seen corresponding path program 1 times 11.37/5.33 [2019-03-29 01:56:45,984 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.37/5.33 [2019-03-29 01:56:45,984 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.37/5.33 [2019-03-29 01:56:45,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.37/5.33 [2019-03-29 01:56:45,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.37/5.33 [2019-03-29 01:56:45,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.37/5.33 [2019-03-29 01:56:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.37/5.33 [2019-03-29 01:56:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.37/5.33 [2019-03-29 01:56:45,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.37/5.33 [2019-03-29 01:56:45,997 INFO L82 PathProgramCache]: Analyzing trace with hash 2200, now seen corresponding path program 1 times 11.37/5.33 [2019-03-29 01:56:45,997 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.37/5.33 [2019-03-29 01:56:45,997 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.37/5.33 [2019-03-29 01:56:45,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.37/5.33 [2019-03-29 01:56:45,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.37/5.33 [2019-03-29 01:56:45,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.37/5.33 [2019-03-29 01:56:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.37/5.33 [2019-03-29 01:56:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.37/5.33 [2019-03-29 01:56:46,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:56:46 BasicIcfg 11.37/5.33 [2019-03-29 01:56:46,060 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 11.37/5.33 [2019-03-29 01:56:46,060 INFO L168 Benchmark]: Toolchain (without parser) took 994.57 ms. Allocated memory was 649.6 MB in the beginning and 685.2 MB in the end (delta: 35.7 MB). Free memory was 565.0 MB in the beginning and 602.0 MB in the end (delta: -37.1 MB). There was no memory consumed. Max. memory is 50.3 GB. 11.37/5.33 [2019-03-29 01:56:46,062 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.37/5.33 [2019-03-29 01:56:46,063 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.66 ms. Allocated memory is still 649.6 MB. Free memory was 565.0 MB in the beginning and 555.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 11.37/5.33 [2019-03-29 01:56:46,063 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.54 ms. Allocated memory was 649.6 MB in the beginning and 685.2 MB in the end (delta: 35.7 MB). Free memory was 555.3 MB in the beginning and 653.0 MB in the end (delta: -97.7 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 11.37/5.33 [2019-03-29 01:56:46,064 INFO L168 Benchmark]: Boogie Preprocessor took 19.27 ms. Allocated memory is still 685.2 MB. Free memory was 653.0 MB in the beginning and 649.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 11.37/5.33 [2019-03-29 01:56:46,065 INFO L168 Benchmark]: RCFGBuilder took 189.49 ms. Allocated memory is still 685.2 MB. Free memory was 649.9 MB in the beginning and 636.9 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 50.3 GB. 11.37/5.33 [2019-03-29 01:56:46,066 INFO L168 Benchmark]: BlockEncodingV2 took 79.61 ms. Allocated memory is still 685.2 MB. Free memory was 636.9 MB in the beginning and 630.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 11.37/5.33 [2019-03-29 01:56:46,066 INFO L168 Benchmark]: TraceAbstraction took 154.33 ms. Allocated memory is still 685.2 MB. Free memory was 630.4 MB in the beginning and 620.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 11.37/5.33 [2019-03-29 01:56:46,067 INFO L168 Benchmark]: BuchiAutomizer took 222.41 ms. Allocated memory is still 685.2 MB. Free memory was 620.9 MB in the beginning and 602.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 50.3 GB. 11.37/5.33 [2019-03-29 01:56:46,073 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 11.37/5.33 --- Results --- 11.37/5.33 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 11.37/5.33 - StatisticsResult: Initial Icfg 11.37/5.33 7 locations, 9 edges 11.37/5.33 - StatisticsResult: Encoded RCFG 11.37/5.33 2 locations, 2 edges 11.37/5.33 * Results from de.uni_freiburg.informatik.ultimate.core: 11.37/5.33 - StatisticsResult: Toolchain Benchmarks 11.37/5.33 Benchmark results are: 11.37/5.33 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.37/5.33 * CACSL2BoogieTranslator took 228.66 ms. Allocated memory is still 649.6 MB. Free memory was 565.0 MB in the beginning and 555.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 11.37/5.33 * Boogie Procedure Inliner took 95.54 ms. Allocated memory was 649.6 MB in the beginning and 685.2 MB in the end (delta: 35.7 MB). Free memory was 555.3 MB in the beginning and 653.0 MB in the end (delta: -97.7 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 11.37/5.33 * Boogie Preprocessor took 19.27 ms. Allocated memory is still 685.2 MB. Free memory was 653.0 MB in the beginning and 649.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 11.37/5.33 * RCFGBuilder took 189.49 ms. Allocated memory is still 685.2 MB. Free memory was 649.9 MB in the beginning and 636.9 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 50.3 GB. 11.37/5.33 * BlockEncodingV2 took 79.61 ms. Allocated memory is still 685.2 MB. Free memory was 636.9 MB in the beginning and 630.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 11.37/5.33 * TraceAbstraction took 154.33 ms. Allocated memory is still 685.2 MB. Free memory was 630.4 MB in the beginning and 620.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 11.37/5.33 * BuchiAutomizer took 222.41 ms. Allocated memory is still 685.2 MB. Free memory was 620.9 MB in the beginning and 602.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 50.3 GB. 11.37/5.33 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 11.37/5.33 - AllSpecificationsHoldResult: All specifications hold 11.37/5.33 We were not able to verify any specifiation because the program does not contain any specification. 11.37/5.33 - InvariantResult [Line: 16]: Loop Invariant 11.37/5.33 Derived loop invariant: 1 11.37/5.33 - StatisticsResult: Ultimate Automizer benchmark data 11.37/5.33 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 11.37/5.33 - StatisticsResult: Constructed decomposition of program 11.37/5.33 Trivial decomposition into one nonterminating module. 11.37/5.33 - StatisticsResult: Timing statistics 11.37/5.33 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 11.37/5.33 - TerminationAnalysisResult: Nontermination possible 11.37/5.33 Buchi Automizer proved that your program is nonterminating for some inputs 11.37/5.33 - FixpointNonTerminationResult [Line: 16]: Nontermination argument in form of an infinite program execution. 11.37/5.33 Nontermination argument in form of an infinite execution 11.37/5.33 State at position 0 is 11.37/5.33 {} 11.37/5.33 State at position 1 is 11.37/5.33 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35469fb0=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@211fe576=0, c=0, x=0} 11.37/5.33 - StatisticsResult: NonterminationArgumentStatistics 11.37/5.33 Fixpoint 11.37/5.33 - NonterminatingLassoResult [Line: 16]: Nonterminating execution 11.37/5.33 Found a nonterminating execution for the following lasso shaped sequence of statements. 11.37/5.33 Stem: 11.37/5.33 [L12] int c, x; 11.37/5.33 [L13] x = __VERIFIER_nondet_int() 11.37/5.33 [L14] c = __VERIFIER_nondet_int() 11.37/5.33 [L15] COND TRUE c == 0 11.37/5.33 Loop: 11.37/5.33 [L16] COND TRUE x >= 0 11.37/5.33 [L17] x = x + c 11.37/5.33 End of lasso representation. 11.37/5.33 RESULT: Ultimate proved your program to be incorrect! 11.37/5.33 !SESSION 2019-03-29 01:56:41.773 ----------------------------------------------- 11.37/5.33 eclipse.buildId=unknown 11.37/5.33 java.version=1.8.0_181 11.37/5.33 java.vendor=Oracle Corporation 11.37/5.33 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 11.37/5.33 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 11.37/5.33 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 11.37/5.33 11.37/5.33 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 01:56:46.310 11.37/5.33 !MESSAGE The workspace will exit with unsaved changes in this session. 11.37/5.33 Received shutdown request... 11.37/5.33 Ultimate: 11.37/5.33 GTK+ Version Check 11.37/5.33 EOF