NO Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 03:07:25,877 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 03:07:25,879 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 03:07:25,890 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 03:07:25,890 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 03:07:25,891 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 03:07:25,892 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 03:07:25,894 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 03:07:25,895 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 03:07:25,896 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 03:07:25,897 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 03:07:25,897 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 03:07:25,898 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 03:07:25,898 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 03:07:25,899 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 03:07:25,900 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 03:07:25,901 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 03:07:25,903 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 03:07:25,905 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 03:07:25,906 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 03:07:25,907 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 03:07:25,908 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 03:07:25,910 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 03:07:25,910 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 03:07:25,910 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 03:07:25,911 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 03:07:25,912 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 03:07:25,912 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 03:07:25,913 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 03:07:25,913 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 03:07:25,914 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 03:07:25,915 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 03:07:25,916 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 03:07:25,916 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 03:07:25,916 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 03:07:25,917 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 03:07:25,917 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 03:07:25,918 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 03:07:25,918 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 03:07:25,919 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-06-22 03:07:25,933 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 03:07:25,933 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 03:07:25,934 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 03:07:25,935 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 03:07:25,935 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 03:07:25,935 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 03:07:25,935 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 03:07:25,935 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 03:07:25,936 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 03:07:25,936 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 03:07:25,936 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 03:07:25,936 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 03:07:25,936 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 03:07:25,936 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 03:07:25,936 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:07:25,937 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 03:07:25,937 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 03:07:25,937 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 03:07:25,937 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 03:07:25,937 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 03:07:25,937 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 03:07:25,938 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 03:07:25,938 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 03:07:25,938 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 03:07:25,938 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 03:07:25,938 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 03:07:25,938 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 03:07:25,939 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 03:07:25,939 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 03:07:25,963 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 03:07:25,976 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 03:07:25,979 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 03:07:25,980 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 03:07:25,981 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 03:07:25,982 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 03:07:26,043 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/2f96e92dec85443c90bfe3890e01fac9/FLAG20f67a94f [2020-06-22 03:07:26,366 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 03:07:26,367 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 03:07:26,374 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/2f96e92dec85443c90bfe3890e01fac9/FLAG20f67a94f [2020-06-22 03:07:26,790 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/2f96e92dec85443c90bfe3890e01fac9 [2020-06-22 03:07:26,802 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 03:07:26,803 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 03:07:26,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 03:07:26,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 03:07:26,808 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 03:07:26,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 03:07:26" (1/1) ... [2020-06-22 03:07:26,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@255b9086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:07:26, skipping insertion in model container [2020-06-22 03:07:26,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 03:07:26" (1/1) ... [2020-06-22 03:07:26,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 03:07:26,839 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 03:07:27,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 03:07:27,004 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 03:07:27,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 03:07:27,108 INFO L195 MainTranslator]: Completed translation [2020-06-22 03:07:27,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:07:27 WrapperNode [2020-06-22 03:07:27,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 03:07:27,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 03:07:27,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 03:07:27,110 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 03:07:27,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:07:27" (1/1) ... [2020-06-22 03:07:27,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:07:27" (1/1) ... [2020-06-22 03:07:27,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 03:07:27,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 03:07:27,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 03:07:27,153 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 03:07:27,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:07:27" (1/1) ... [2020-06-22 03:07:27,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:07:27" (1/1) ... [2020-06-22 03:07:27,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:07:27" (1/1) ... [2020-06-22 03:07:27,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:07:27" (1/1) ... [2020-06-22 03:07:27,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:07:27" (1/1) ... [2020-06-22 03:07:27,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:07:27" (1/1) ... [2020-06-22 03:07:27,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:07:27" (1/1) ... [2020-06-22 03:07:27,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 03:07:27,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 03:07:27,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 03:07:27,181 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 03:07:27,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:07:27" (1/1) ... No working directory specified, using /export/starexec/sandbox/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 03:07:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 03:07:27,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 03:07:27,535 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 03:07:27,535 INFO L286 CfgBuilder]: Removed 13 assue(true) statements. [2020-06-22 03:07:27,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:07:27 BoogieIcfgContainer [2020-06-22 03:07:27,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 03:07:27,537 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 03:07:27,537 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 03:07:27,539 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 03:07:27,540 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:07:27" (1/1) ... [2020-06-22 03:07:27,558 INFO L313 BlockEncoder]: Initial Icfg 48 locations, 83 edges [2020-06-22 03:07:27,560 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 03:07:27,561 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 03:07:27,561 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 03:07:27,561 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 03:07:27,563 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 03:07:27,564 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 03:07:27,564 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 03:07:27,602 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 03:07:27,643 INFO L200 BlockEncoder]: SBE split 34 edges [2020-06-22 03:07:27,648 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-22 03:07:27,650 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 03:07:27,666 INFO L100 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2020-06-22 03:07:27,668 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-06-22 03:07:27,670 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 03:07:27,670 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 03:07:27,670 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 03:07:27,671 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 03:07:27,672 INFO L313 BlockEncoder]: Encoded RCFG 40 locations, 108 edges [2020-06-22 03:07:27,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 03:07:27 BasicIcfg [2020-06-22 03:07:27,672 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 03:07:27,673 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 03:07:27,673 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 03:07:27,677 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 03:07:27,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 03:07:26" (1/4) ... [2020-06-22 03:07:27,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a83fa4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 03:07:27, skipping insertion in model container [2020-06-22 03:07:27,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:07:27" (2/4) ... [2020-06-22 03:07:27,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a83fa4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 03:07:27, skipping insertion in model container [2020-06-22 03:07:27,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:07:27" (3/4) ... [2020-06-22 03:07:27,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a83fa4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 03:07:27, skipping insertion in model container [2020-06-22 03:07:27,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 03:07:27" (4/4) ... [2020-06-22 03:07:27,680 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 03:07:27,690 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 03:07:27,699 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 03:07:27,715 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 03:07:27,744 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 03:07:27,744 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 03:07:27,744 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 03:07:27,745 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 03:07:27,745 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 03:07:27,745 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 03:07:27,745 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 03:07:27,745 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 03:07:27,745 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 03:07:27,760 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2020-06-22 03:07:27,767 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 03:07:27,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 40 states. [2020-06-22 03:07:27,825 INFO L451 ceAbstractionStarter]: At program point L41-8(lines 19 47) the Hoare annotation is: true [2020-06-22 03:07:27,825 INFO L448 ceAbstractionStarter]: For program point L35-3(lines 35 39) no Hoare annotation was computed. [2020-06-22 03:07:27,825 INFO L448 ceAbstractionStarter]: For program point L41-9(lines 41 45) no Hoare annotation was computed. [2020-06-22 03:07:27,825 INFO L448 ceAbstractionStarter]: For program point L64-1(lines 52 84) no Hoare annotation was computed. [2020-06-22 03:07:27,826 INFO L451 ceAbstractionStarter]: At program point L41-11(lines 19 47) the Hoare annotation is: true [2020-06-22 03:07:27,826 INFO L448 ceAbstractionStarter]: For program point L35-6(lines 35 39) no Hoare annotation was computed. [2020-06-22 03:07:27,826 INFO L448 ceAbstractionStarter]: For program point L27(lines 27 31) no Hoare annotation was computed. [2020-06-22 03:07:27,826 INFO L448 ceAbstractionStarter]: For program point L35-9(lines 35 39) no Hoare annotation was computed. [2020-06-22 03:07:27,826 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 58) no Hoare annotation was computed. [2020-06-22 03:07:27,826 INFO L448 ceAbstractionStarter]: For program point L27-3(lines 27 31) no Hoare annotation was computed. [2020-06-22 03:07:27,826 INFO L448 ceAbstractionStarter]: For program point L56-2(lines 52 84) no Hoare annotation was computed. [2020-06-22 03:07:27,827 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 25) no Hoare annotation was computed. [2020-06-22 03:07:27,827 INFO L448 ceAbstractionStarter]: For program point L27-6(lines 27 31) no Hoare annotation was computed. [2020-06-22 03:07:27,827 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 47) no Hoare annotation was computed. [2020-06-22 03:07:27,827 INFO L448 ceAbstractionStarter]: For program point L19-1(lines 19 47) no Hoare annotation was computed. [2020-06-22 03:07:27,827 INFO L448 ceAbstractionStarter]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2020-06-22 03:07:27,827 INFO L448 ceAbstractionStarter]: For program point L27-9(lines 27 31) no Hoare annotation was computed. [2020-06-22 03:07:27,828 INFO L448 ceAbstractionStarter]: For program point L19-2(lines 19 47) no Hoare annotation was computed. [2020-06-22 03:07:27,828 INFO L448 ceAbstractionStarter]: For program point L19-3(lines 19 47) no Hoare annotation was computed. [2020-06-22 03:07:27,828 INFO L448 ceAbstractionStarter]: For program point L21-6(lines 21 25) no Hoare annotation was computed. [2020-06-22 03:07:27,828 INFO L448 ceAbstractionStarter]: For program point L21-9(lines 21 25) no Hoare annotation was computed. [2020-06-22 03:07:27,828 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 46) no Hoare annotation was computed. [2020-06-22 03:07:27,828 INFO L448 ceAbstractionStarter]: For program point L67-1(lines 52 84) no Hoare annotation was computed. [2020-06-22 03:07:27,828 INFO L448 ceAbstractionStarter]: For program point L34-1(lines 34 46) no Hoare annotation was computed. [2020-06-22 03:07:27,829 INFO L448 ceAbstractionStarter]: For program point L34-2(lines 34 46) no Hoare annotation was computed. [2020-06-22 03:07:27,829 INFO L448 ceAbstractionStarter]: For program point L34-3(lines 34 46) no Hoare annotation was computed. [2020-06-22 03:07:27,829 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 03:07:27,829 INFO L448 ceAbstractionStarter]: For program point L61-1(lines 52 84) no Hoare annotation was computed. [2020-06-22 03:07:27,829 INFO L448 ceAbstractionStarter]: For program point L20(lines 20 32) no Hoare annotation was computed. [2020-06-22 03:07:27,829 INFO L448 ceAbstractionStarter]: For program point L20-1(lines 20 32) no Hoare annotation was computed. [2020-06-22 03:07:27,829 INFO L448 ceAbstractionStarter]: For program point L20-2(lines 20 32) no Hoare annotation was computed. [2020-06-22 03:07:27,829 INFO L448 ceAbstractionStarter]: For program point L20-3(lines 20 32) no Hoare annotation was computed. [2020-06-22 03:07:27,830 INFO L448 ceAbstractionStarter]: For program point L80-1(lines 52 84) no Hoare annotation was computed. [2020-06-22 03:07:27,830 INFO L448 ceAbstractionStarter]: For program point L41(lines 41 45) no Hoare annotation was computed. [2020-06-22 03:07:27,830 INFO L451 ceAbstractionStarter]: At program point L41-2(lines 19 47) the Hoare annotation is: true [2020-06-22 03:07:27,830 INFO L448 ceAbstractionStarter]: For program point L41-3(lines 41 45) no Hoare annotation was computed. [2020-06-22 03:07:27,830 INFO L448 ceAbstractionStarter]: For program point L70-1(lines 52 84) no Hoare annotation was computed. [2020-06-22 03:07:27,830 INFO L451 ceAbstractionStarter]: At program point L41-5(lines 19 47) the Hoare annotation is: true [2020-06-22 03:07:27,831 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 39) no Hoare annotation was computed. [2020-06-22 03:07:27,831 INFO L448 ceAbstractionStarter]: For program point L41-6(lines 41 45) no Hoare annotation was computed. [2020-06-22 03:07:27,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 03:07:27 BasicIcfg [2020-06-22 03:07:27,839 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 03:07:27,840 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 03:07:27,840 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 03:07:27,843 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 03:07:27,844 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:07:27,845 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 03:07:26" (1/5) ... [2020-06-22 03:07:27,845 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28850602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 03:07:27, skipping insertion in model container [2020-06-22 03:07:27,845 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:07:27,846 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:07:27" (2/5) ... [2020-06-22 03:07:27,846 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28850602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 03:07:27, skipping insertion in model container [2020-06-22 03:07:27,846 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:07:27,846 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:07:27" (3/5) ... [2020-06-22 03:07:27,846 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28850602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 03:07:27, skipping insertion in model container [2020-06-22 03:07:27,847 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:07:27,847 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 03:07:27" (4/5) ... [2020-06-22 03:07:27,847 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28850602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 03:07:27, skipping insertion in model container [2020-06-22 03:07:27,847 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:07:27,847 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 03:07:27" (5/5) ... [2020-06-22 03:07:27,849 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 03:07:27,875 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 03:07:27,875 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 03:07:27,875 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 03:07:27,875 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 03:07:27,875 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 03:07:27,876 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 03:07:27,876 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 03:07:27,876 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 03:07:27,876 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 03:07:27,880 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states. [2020-06-22 03:07:27,901 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 03:07:27,902 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 03:07:27,902 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 03:07:27,909 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-06-22 03:07:27,909 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 03:07:27,909 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 03:07:27,910 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states. [2020-06-22 03:07:27,914 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 03:07:27,914 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 03:07:27,914 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 03:07:27,915 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-06-22 03:07:27,915 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 03:07:27,920 INFO L794 eck$LassoCheckResult]: Stem: 35#ULTIMATE.startENTRYtrue [289] ULTIMATE.startENTRY-->L56: Formula: (and (= v_ULTIMATE.start_main_~d~0_1 1) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet8_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet10=|v_ULTIMATE.start_main_#t~nondet10_1|, ULTIMATE.start_main_#t~nondet12=|v_ULTIMATE.start_main_#t~nondet12_1|, ULTIMATE.start_main_#t~nondet14=|v_ULTIMATE.start_main_#t~nondet14_1|, ULTIMATE.start_main_#t~nondet8=|v_ULTIMATE.start_main_#t~nondet8_1|, ULTIMATE.start_main_#t~nondet9=|v_ULTIMATE.start_main_#t~nondet9_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#t~ret17=|v_ULTIMATE.start_main_#t~ret17_1|, ULTIMATE.start_main_#t~ret15=|v_ULTIMATE.start_main_#t~ret15_1|, ULTIMATE.start_main_#t~ret13=|v_ULTIMATE.start_main_#t~ret13_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~ret11=|v_ULTIMATE.start_main_#t~ret11_1|, ULTIMATE.start_main_#t~nondet16=|v_ULTIMATE.start_main_#t~nondet16_1|, ULTIMATE.start_main_#t~nondet18=|v_ULTIMATE.start_main_#t~nondet18_1|, ULTIMATE.start_main_~d~0=v_ULTIMATE.start_main_~d~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet8_4|] AssignedVars[ULTIMATE.start_main_#t~nondet10, ULTIMATE.start_main_#t~nondet12, ULTIMATE.start_main_#t~nondet14, ULTIMATE.start_main_#t~nondet8, ULTIMATE.start_main_#t~nondet9, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~ret17, ULTIMATE.start_main_#t~ret15, ULTIMATE.start_main_#t~ret13, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~ret11, ULTIMATE.start_main_#t~nondet16, ULTIMATE.start_main_#t~nondet18, ULTIMATE.start_main_~d~0] 20#L56true [340] L56-->L56-2: Formula: (and (= v_ULTIMATE.start_main_~d~0_4 (+ v_ULTIMATE.start_main_~d~0_5 (- 1))) (> 0 |v_ULTIMATE.start_main_#t~nondet9_3|)) InVars {ULTIMATE.start_main_#t~nondet9=|v_ULTIMATE.start_main_#t~nondet9_3|, ULTIMATE.start_main_~d~0=v_ULTIMATE.start_main_~d~0_5} OutVars{ULTIMATE.start_main_#t~nondet9=|v_ULTIMATE.start_main_#t~nondet9_2|, ULTIMATE.start_main_~d~0=v_ULTIMATE.start_main_~d~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9, ULTIMATE.start_main_~d~0] 16#L56-2true [248] L56-2-->L61-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet10_5| 0) InVars {ULTIMATE.start_main_#t~nondet10=|v_ULTIMATE.start_main_#t~nondet10_5|} OutVars{ULTIMATE.start_main_#t~nondet10=|v_ULTIMATE.start_main_#t~nondet10_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet10] 27#L61-1true [274] L61-1-->L64-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet12_5| 0) InVars {ULTIMATE.start_main_#t~nondet12=|v_ULTIMATE.start_main_#t~nondet12_5|} OutVars{ULTIMATE.start_main_#t~nondet12=|v_ULTIMATE.start_main_#t~nondet12_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet12] 34#L64-1true [288] L64-1-->L67-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet14_3| 0) InVars {ULTIMATE.start_main_#t~nondet14=|v_ULTIMATE.start_main_#t~nondet14_3|} OutVars{ULTIMATE.start_main_#t~nondet14=|v_ULTIMATE.start_main_#t~nondet14_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet14] 19#L67-1true [254] L67-1-->L70-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet16_5| 0) InVars {ULTIMATE.start_main_#t~nondet16=|v_ULTIMATE.start_main_#t~nondet16_5|} OutVars{ULTIMATE.start_main_#t~nondet16=|v_ULTIMATE.start_main_#t~nondet16_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet16] 23#L70-1true [265] L70-1-->L80-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet18_5| 0) InVars {ULTIMATE.start_main_#t~nondet18=|v_ULTIMATE.start_main_#t~nondet18_5|} OutVars{ULTIMATE.start_main_#t~nondet18=|v_ULTIMATE.start_main_#t~nondet18_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet18] 3#L80-1true [2020-06-22 03:07:27,920 INFO L796 eck$LassoCheckResult]: Loop: 3#L80-1true [223] L80-1-->L80-1: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_6) (= v_ULTIMATE.start_main_~x~0_5 (+ (* (- 1) v_ULTIMATE.start_main_~d~0_8) v_ULTIMATE.start_main_~x~0_6))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6, ULTIMATE.start_main_~d~0=v_ULTIMATE.start_main_~d~0_8} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5, ULTIMATE.start_main_~d~0=v_ULTIMATE.start_main_~d~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 3#L80-1true [2020-06-22 03:07:27,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:07:27,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1914793981, now seen corresponding path program 1 times [2020-06-22 03:07:27,929 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:07:27,929 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:07:27,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:07:27,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:07:27,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:07:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:07:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:07:28,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:07:28,006 INFO L82 PathProgramCache]: Analyzing trace with hash 254, now seen corresponding path program 1 times [2020-06-22 03:07:28,006 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:07:28,006 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:07:28,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:07:28,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:07:28,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:07:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:07:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:07:28,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:07:28,014 INFO L82 PathProgramCache]: Analyzing trace with hash -770928510, now seen corresponding path program 1 times [2020-06-22 03:07:28,014 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:07:28,014 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:07:28,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:07:28,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:07:28,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:07:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:07:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:07:28,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 03:07:28 BasicIcfg [2020-06-22 03:07:28,124 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 03:07:28,125 INFO L168 Benchmark]: Toolchain (without parser) took 1322.57 ms. Allocated memory was 649.6 MB in the beginning and 676.9 MB in the end (delta: 27.3 MB). Free memory was 559.5 MB in the beginning and 565.5 MB in the end (delta: -6.0 MB). Peak memory consumption was 21.3 MB. Max. memory is 50.3 GB. [2020-06-22 03:07:28,127 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.4 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 03:07:28,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.28 ms. Allocated memory was 649.6 MB in the beginning and 676.9 MB in the end (delta: 27.3 MB). Free memory was 559.5 MB in the beginning and 644.6 MB in the end (delta: -85.1 MB). Peak memory consumption was 30.6 MB. Max. memory is 50.3 GB. [2020-06-22 03:07:28,128 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.96 ms. Allocated memory is still 676.9 MB. Free memory was 644.6 MB in the beginning and 642.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. [2020-06-22 03:07:28,129 INFO L168 Benchmark]: Boogie Preprocessor took 27.57 ms. Allocated memory is still 676.9 MB. Free memory was 642.4 MB in the beginning and 638.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 50.3 GB. [2020-06-22 03:07:28,129 INFO L168 Benchmark]: RCFGBuilder took 355.70 ms. Allocated memory is still 676.9 MB. Free memory was 638.5 MB in the beginning and 613.1 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 50.3 GB. [2020-06-22 03:07:28,130 INFO L168 Benchmark]: BlockEncodingV2 took 135.30 ms. Allocated memory is still 676.9 MB. Free memory was 613.1 MB in the beginning and 602.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. [2020-06-22 03:07:28,130 INFO L168 Benchmark]: TraceAbstraction took 166.45 ms. Allocated memory is still 676.9 MB. Free memory was 602.3 MB in the beginning and 590.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 50.3 GB. [2020-06-22 03:07:28,131 INFO L168 Benchmark]: BuchiAutomizer took 284.16 ms. Allocated memory is still 676.9 MB. Free memory was 589.4 MB in the beginning and 565.5 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 50.3 GB. [2020-06-22 03:07:28,135 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 48 locations, 83 edges - StatisticsResult: Encoded RCFG 40 locations, 108 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 580.4 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 305.28 ms. Allocated memory was 649.6 MB in the beginning and 676.9 MB in the end (delta: 27.3 MB). Free memory was 559.5 MB in the beginning and 644.6 MB in the end (delta: -85.1 MB). Peak memory consumption was 30.6 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 42.96 ms. Allocated memory is still 676.9 MB. Free memory was 644.6 MB in the beginning and 642.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 27.57 ms. Allocated memory is still 676.9 MB. Free memory was 642.4 MB in the beginning and 638.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 50.3 GB. * RCFGBuilder took 355.70 ms. Allocated memory is still 676.9 MB. Free memory was 638.5 MB in the beginning and 613.1 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 135.30 ms. Allocated memory is still 676.9 MB. Free memory was 613.1 MB in the beginning and 602.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. * TraceAbstraction took 166.45 ms. Allocated memory is still 676.9 MB. Free memory was 602.3 MB in the beginning and 590.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 284.16 ms. Allocated memory is still 676.9 MB. Free memory was 589.4 MB in the beginning and 565.5 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 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. - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 40 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 80]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@658312a4=0, d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4fa4e306=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15d5fbfc=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54949d6a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51eef16b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@324fff9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f97f3e8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d91dcb4=0, x=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6df9765d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@fadf870=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29ee3547=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 52]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L53] int d = 1; [L54] int x = __VERIFIER_nondet_int(); [L56] COND TRUE __VERIFIER_nondet_int() [L57] d = d - 1 [L61] COND FALSE !(__VERIFIER_nondet_int()) [L64] COND FALSE !(__VERIFIER_nondet_int()) [L67] COND FALSE !(__VERIFIER_nondet_int()) [L70] COND FALSE !(__VERIFIER_nondet_int()) [L76] COND FALSE !(__VERIFIER_nondet_int()) Loop: [L80] COND TRUE x > 0 [L81] x = x - d End of lasso representation. RESULT: Ultimate proved your program to be incorrect! !SESSION 2020-06-22 03:07:23.524 ----------------------------------------------- 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/sandbox/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/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 03:07:28.373 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check