YES Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 02:46:41,537 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 02:46:41,539 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 02:46:41,550 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 02:46:41,551 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 02:46:41,552 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 02:46:41,553 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 02:46:41,554 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 02:46:41,556 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 02:46:41,557 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 02:46:41,558 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 02:46:41,558 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 02:46:41,559 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 02:46:41,560 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 02:46:41,561 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 02:46:41,561 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 02:46:41,562 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 02:46:41,564 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 02:46:41,566 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 02:46:41,567 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 02:46:41,568 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 02:46:41,569 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 02:46:41,571 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 02:46:41,572 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 02:46:41,572 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 02:46:41,573 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 02:46:41,573 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 02:46:41,574 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 02:46:41,574 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 02:46:41,575 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 02:46:41,575 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 02:46:41,576 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 02:46:41,577 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 02:46:41,577 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 02:46:41,578 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 02:46:41,578 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 02:46:41,578 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 02:46:41,579 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 02:46:41,580 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 02:46:41,580 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-22 02:46:41,594 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 02:46:41,594 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 02:46:41,595 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 02:46:41,596 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 02:46:41,596 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 02:46:41,596 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 02:46:41,596 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 02:46:41,596 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 02:46:41,596 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 02:46:41,597 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 02:46:41,597 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 02:46:41,597 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 02:46:41,597 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 02:46:41,597 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 02:46:41,597 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:46:41,597 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 02:46:41,598 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 02:46:41,598 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 02:46:41,598 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 02:46:41,598 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 02:46:41,598 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 02:46:41,598 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 02:46:41,599 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 02:46:41,599 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 02:46:41,599 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 02:46:41,599 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 02:46:41,599 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 02:46:41,599 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 02:46:41,600 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 02:46:41,625 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 02:46:41,638 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 02:46:41,642 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 02:46:41,643 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 02:46:41,643 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 02:46:41,644 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 02:46:41,716 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/e6796f4d12b24868b227fb5778fce075/FLAGda5e70bbe [2020-06-22 02:46:42,123 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 02:46:42,124 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 02:46:42,130 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/e6796f4d12b24868b227fb5778fce075/FLAGda5e70bbe [2020-06-22 02:46:42,531 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/e6796f4d12b24868b227fb5778fce075 [2020-06-22 02:46:42,543 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 02:46:42,544 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 02:46:42,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 02:46:42,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 02:46:42,549 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 02:46:42,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 02:46:42" (1/1) ... [2020-06-22 02:46:42,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61050d06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:46:42, skipping insertion in model container [2020-06-22 02:46:42,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 02:46:42" (1/1) ... [2020-06-22 02:46:42,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 02:46:42,577 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 02:46:42,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 02:46:42,732 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 02:46:42,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 02:46:42,814 INFO L195 MainTranslator]: Completed translation [2020-06-22 02:46:42,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:46:42 WrapperNode [2020-06-22 02:46:42,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 02:46:42,815 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 02:46:42,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 02:46:42,816 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 02:46:42,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:46:42" (1/1) ... [2020-06-22 02:46:42,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:46:42" (1/1) ... [2020-06-22 02:46:42,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 02:46:42,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 02:46:42,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 02:46:42,850 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 02:46:42,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:46:42" (1/1) ... [2020-06-22 02:46:42,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:46:42" (1/1) ... [2020-06-22 02:46:42,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:46:42" (1/1) ... [2020-06-22 02:46:42,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:46:42" (1/1) ... [2020-06-22 02:46:42,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:46:42" (1/1) ... [2020-06-22 02:46:42,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:46:42" (1/1) ... [2020-06-22 02:46:42,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:46:42" (1/1) ... [2020-06-22 02:46:42,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 02:46:42,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 02:46:42,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 02:46:42,869 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 02:46:42,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:46:42" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 02:46:42,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 02:46:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 02:46:43,031 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 02:46:43,031 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2020-06-22 02:46:43,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:46:43 BoogieIcfgContainer [2020-06-22 02:46:43,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 02:46:43,033 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 02:46:43,033 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 02:46:43,035 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 02:46:43,036 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:46:43" (1/1) ... [2020-06-22 02:46:43,050 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2020-06-22 02:46:43,052 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 02:46:43,052 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 02:46:43,053 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 02:46:43,053 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 02:46:43,055 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 02:46:43,056 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 02:46:43,056 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 02:46:43,072 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 02:46:43,076 INFO L200 BlockEncoder]: SBE split 0 edges [2020-06-22 02:46:43,082 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility [2020-06-22 02:46:43,084 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 02:46:43,097 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2020-06-22 02:46:43,099 INFO L70 RemoveSinkStates]: Removed 1 edges and 2 locations by removing sink states [2020-06-22 02:46:43,101 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 02:46:43,101 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 02:46:43,101 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 02:46:43,101 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 02:46:43,101 INFO L313 BlockEncoder]: Encoded RCFG 0 locations, 0 edges [2020-06-22 02:46:43,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 02:46:43 BasicIcfg [2020-06-22 02:46:43,102 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 02:46:43,103 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 02:46:43,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 02:46:43,106 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 02:46:43,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 02:46:42" (1/4) ... [2020-06-22 02:46:43,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699bc07a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 02:46:43, skipping insertion in model container [2020-06-22 02:46:43,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:46:42" (2/4) ... [2020-06-22 02:46:43,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699bc07a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 02:46:43, skipping insertion in model container [2020-06-22 02:46:43,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:46:43" (3/4) ... [2020-06-22 02:46:43,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699bc07a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 02:46:43, skipping insertion in model container [2020-06-22 02:46:43,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 02:46:43" (4/4) ... [2020-06-22 02:46:43,110 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 02:46:43,120 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 02:46:43,127 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 02:46:43,143 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 02:46:43,170 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 02:46:43,171 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 02:46:43,171 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 02:46:43,171 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 02:46:43,172 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 02:46:43,172 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 02:46:43,172 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 02:46:43,172 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 02:46:43,172 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 02:46:43,183 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2020-06-22 02:46:43,183 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 02:46:43,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states. [2020-06-22 02:46:43,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 02:46:43 BasicIcfg [2020-06-22 02:46:43,192 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 02:46:43,193 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 02:46:43,193 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 02:46:43,196 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 02:46:43,197 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 02:46:43,197 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 02:46:42" (1/5) ... [2020-06-22 02:46:43,198 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1dd39c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 02:46:43, skipping insertion in model container [2020-06-22 02:46:43,198 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 02:46:43,198 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:46:42" (2/5) ... [2020-06-22 02:46:43,199 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1dd39c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 02:46:43, skipping insertion in model container [2020-06-22 02:46:43,199 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 02:46:43,199 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:46:43" (3/5) ... [2020-06-22 02:46:43,199 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1dd39c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 02:46:43, skipping insertion in model container [2020-06-22 02:46:43,199 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 02:46:43,199 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 02:46:43" (4/5) ... [2020-06-22 02:46:43,200 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1dd39c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 02:46:43, skipping insertion in model container [2020-06-22 02:46:43,200 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 02:46:43,200 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 02:46:43" (5/5) ... [2020-06-22 02:46:43,201 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 02:46:43,227 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 02:46:43,227 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 02:46:43,228 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 02:46:43,228 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 02:46:43,228 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 02:46:43,228 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 02:46:43,228 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 02:46:43,228 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 02:46:43,228 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 02:46:43,231 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states. [2020-06-22 02:46:43,244 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 02:46:43,244 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-06-22 02:46:43,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 02:46:43 BasicIcfg [2020-06-22 02:46:43,249 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 02:46:43,250 INFO L168 Benchmark]: Toolchain (without parser) took 706.25 ms. Allocated memory was 649.6 MB in the beginning and 682.6 MB in the end (delta: 33.0 MB). Free memory was 564.1 MB in the beginning and 616.9 MB in the end (delta: -52.8 MB). There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 02:46:43,252 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.7 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 02:46:43,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.69 ms. Allocated memory was 649.6 MB in the beginning and 682.6 MB in the end (delta: 33.0 MB). Free memory was 564.1 MB in the beginning and 650.3 MB in the end (delta: -86.2 MB). Peak memory consumption was 29.9 MB. Max. memory is 50.3 GB. [2020-06-22 02:46:43,253 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.42 ms. Allocated memory is still 682.6 MB. Free memory was 650.3 MB in the beginning and 647.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. [2020-06-22 02:46:43,254 INFO L168 Benchmark]: Boogie Preprocessor took 17.92 ms. Allocated memory is still 682.6 MB. Free memory was 647.2 MB in the beginning and 645.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-06-22 02:46:43,254 INFO L168 Benchmark]: RCFGBuilder took 164.03 ms. Allocated memory is still 682.6 MB. Free memory was 645.8 MB in the beginning and 634.2 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 50.3 GB. [2020-06-22 02:46:43,255 INFO L168 Benchmark]: BlockEncodingV2 took 69.47 ms. Allocated memory is still 682.6 MB. Free memory was 634.2 MB in the beginning and 630.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 50.3 GB. [2020-06-22 02:46:43,256 INFO L168 Benchmark]: TraceAbstraction took 88.94 ms. Allocated memory is still 682.6 MB. Free memory was 630.1 MB in the beginning and 622.3 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 50.3 GB. [2020-06-22 02:46:43,256 INFO L168 Benchmark]: BuchiAutomizer took 56.22 ms. Allocated memory is still 682.6 MB. Free memory was 622.3 MB in the beginning and 616.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-06-22 02:46:43,261 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 6 locations, 7 edges - StatisticsResult: Encoded RCFG 0 locations, 0 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.7 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 269.69 ms. Allocated memory was 649.6 MB in the beginning and 682.6 MB in the end (delta: 33.0 MB). Free memory was 564.1 MB in the beginning and 650.3 MB in the end (delta: -86.2 MB). Peak memory consumption was 29.9 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 34.42 ms. Allocated memory is still 682.6 MB. Free memory was 650.3 MB in the beginning and 647.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 17.92 ms. Allocated memory is still 682.6 MB. Free memory was 647.2 MB in the beginning and 645.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * RCFGBuilder took 164.03 ms. Allocated memory is still 682.6 MB. Free memory was 645.8 MB in the beginning and 634.2 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 69.47 ms. Allocated memory is still 682.6 MB. Free memory was 634.2 MB in the beginning and 630.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 50.3 GB. * TraceAbstraction took 88.94 ms. Allocated memory is still 682.6 MB. Free memory was 630.1 MB in the beginning and 622.3 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 56.22 ms. Allocated memory is still 682.6 MB. Free memory was 622.3 MB in the beginning and 616.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 0 procedures, 0 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=0occurred 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, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. 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: nont0 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 - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-06-22 02:46:39.191 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 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 !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 02:46:43.493 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check