NO Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 08:08:38,782 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 08:08:38,785 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 08:08:38,797 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 08:08:38,798 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 08:08:38,799 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 08:08:38,800 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 08:08:38,802 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 08:08:38,804 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 08:08:38,805 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 08:08:38,806 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 08:08:38,806 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 08:08:38,807 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 08:08:38,808 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 08:08:38,809 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 08:08:38,809 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 08:08:38,810 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 08:08:38,812 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 08:08:38,814 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 08:08:38,815 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 08:08:38,816 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 08:08:38,818 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 08:08:38,820 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 08:08:38,820 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 08:08:38,821 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 08:08:38,822 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 08:08:38,822 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 08:08:38,823 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 08:08:38,823 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 08:08:38,824 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 08:08:38,825 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 08:08:38,825 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 08:08:38,826 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 08:08:38,827 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 08:08:38,827 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 08:08:38,827 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 08:08:38,828 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 08:08:38,829 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 08:08:38,829 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 08:08:38,829 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-22 08:08:38,845 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 08:08:38,845 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 08:08:38,846 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 08:08:38,846 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 08:08:38,846 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 08:08:38,846 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 08:08:38,847 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 08:08:38,847 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 08:08:38,847 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 08:08:38,847 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 08:08:38,847 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 08:08:38,847 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 08:08:38,848 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 08:08:38,848 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 08:08:38,848 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 08:08:38,848 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 08:08:38,848 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 08:08:38,848 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 08:08:38,849 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 08:08:38,849 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 08:08:38,849 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 08:08:38,849 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 08:08:38,849 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 08:08:38,849 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 08:08:38,850 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 08:08:38,850 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 08:08:38,850 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 08:08:38,850 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 08:08:38,850 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 08:08:38,877 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 08:08:38,890 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 08:08:38,894 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 08:08:38,895 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 08:08:38,895 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 08:08:38,896 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 08:08:38,960 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/8493867311a24791acbaa5ba03a55439/FLAG7f179e0ee [2020-06-22 08:08:39,321 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 08:08:39,322 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 08:08:39,328 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/8493867311a24791acbaa5ba03a55439/FLAG7f179e0ee [2020-06-22 08:08:39,715 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/8493867311a24791acbaa5ba03a55439 [2020-06-22 08:08:39,726 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 08:08:39,728 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 08:08:39,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 08:08:39,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 08:08:39,733 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 08:08:39,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 08:08:39" (1/1) ... [2020-06-22 08:08:39,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dc24f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 08:08:39, skipping insertion in model container [2020-06-22 08:08:39,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 08:08:39" (1/1) ... [2020-06-22 08:08:39,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 08:08:39,762 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 08:08:39,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 08:08:39,920 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 08:08:39,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 08:08:40,002 INFO L195 MainTranslator]: Completed translation [2020-06-22 08:08:40,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 08:08:40 WrapperNode [2020-06-22 08:08:40,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 08:08:40,003 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 08:08:40,004 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 08:08:40,004 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 08:08:40,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 08:08:40" (1/1) ... [2020-06-22 08:08:40,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 08:08:40" (1/1) ... [2020-06-22 08:08:40,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 08:08:40,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 08:08:40,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 08:08:40,038 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 08:08:40,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 08:08:40" (1/1) ... [2020-06-22 08:08:40,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 08:08:40" (1/1) ... [2020-06-22 08:08:40,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 08:08:40" (1/1) ... [2020-06-22 08:08:40,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 08:08:40" (1/1) ... [2020-06-22 08:08:40,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 08:08:40" (1/1) ... [2020-06-22 08:08:40,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 08:08:40" (1/1) ... [2020-06-22 08:08:40,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 08:08:40" (1/1) ... [2020-06-22 08:08:40,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 08:08:40,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 08:08:40,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 08:08:40,059 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 08:08:40,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 08:08:40" (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 08:08:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 08:08:40,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 08:08:40,274 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 08:08:40,274 INFO L286 CfgBuilder]: Removed 8 assue(true) statements. [2020-06-22 08:08:40,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:08:40 BoogieIcfgContainer [2020-06-22 08:08:40,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 08:08:40,276 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 08:08:40,276 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 08:08:40,278 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 08:08:40,279 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:08:40" (1/1) ... [2020-06-22 08:08:40,294 INFO L313 BlockEncoder]: Initial Icfg 12 locations, 22 edges [2020-06-22 08:08:40,295 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 08:08:40,296 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 08:08:40,297 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 08:08:40,297 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 08:08:40,299 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 08:08:40,300 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 08:08:40,300 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 08:08:40,317 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 08:08:40,325 INFO L200 BlockEncoder]: SBE split 0 edges [2020-06-22 08:08:40,330 INFO L70 emoveInfeasibleEdges]: Removed 4 edges and 0 locations because of local infeasibility [2020-06-22 08:08:40,332 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 08:08:40,341 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-06-22 08:08:40,344 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states [2020-06-22 08:08:40,345 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 08:08:40,345 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 08:08:40,345 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 08:08:40,346 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 08:08:40,346 INFO L313 BlockEncoder]: Encoded RCFG 8 locations, 12 edges [2020-06-22 08:08:40,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 08:08:40 BasicIcfg [2020-06-22 08:08:40,347 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 08:08:40,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 08:08:40,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 08:08:40,352 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 08:08:40,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 08:08:39" (1/4) ... [2020-06-22 08:08:40,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@181f6310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 08:08:40, skipping insertion in model container [2020-06-22 08:08:40,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 08:08:40" (2/4) ... [2020-06-22 08:08:40,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@181f6310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 08:08:40, skipping insertion in model container [2020-06-22 08:08:40,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:08:40" (3/4) ... [2020-06-22 08:08:40,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@181f6310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 08:08:40, skipping insertion in model container [2020-06-22 08:08:40,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 08:08:40" (4/4) ... [2020-06-22 08:08:40,356 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 08:08:40,366 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 08:08:40,374 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 08:08:40,392 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 08:08:40,425 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 08:08:40,426 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 08:08:40,426 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 08:08:40,426 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 08:08:40,426 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 08:08:40,426 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 08:08:40,427 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 08:08:40,427 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 08:08:40,427 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 08:08:40,441 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2020-06-22 08:08:40,447 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 08:08:40,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-06-22 08:08:40,505 INFO L448 ceAbstractionStarter]: For program point L17(lines 17 22) no Hoare annotation was computed. [2020-06-22 08:08:40,505 INFO L451 ceAbstractionStarter]: At program point L19-2(lines 19 21) the Hoare annotation is: true [2020-06-22 08:08:40,505 INFO L448 ceAbstractionStarter]: For program point L17-1(lines 16 35) no Hoare annotation was computed. [2020-06-22 08:08:40,505 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 08:08:40,506 INFO L451 ceAbstractionStarter]: At program point L31-2(lines 31 33) the Hoare annotation is: true [2020-06-22 08:08:40,506 INFO L448 ceAbstractionStarter]: For program point L10(lines 10 35) no Hoare annotation was computed. [2020-06-22 08:08:40,506 INFO L451 ceAbstractionStarter]: At program point L12-2(lines 12 14) the Hoare annotation is: true [2020-06-22 08:08:40,506 INFO L451 ceAbstractionStarter]: At program point L25-2(lines 25 27) the Hoare annotation is: true [2020-06-22 08:08:40,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 08:08:40 BasicIcfg [2020-06-22 08:08:40,516 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 08:08:40,517 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 08:08:40,517 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 08:08:40,520 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 08:08:40,521 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 08:08:40,522 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 08:08:39" (1/5) ... [2020-06-22 08:08:40,522 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2759ad47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 08:08:40, skipping insertion in model container [2020-06-22 08:08:40,523 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 08:08:40,523 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 08:08:40" (2/5) ... [2020-06-22 08:08:40,523 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2759ad47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 08:08:40, skipping insertion in model container [2020-06-22 08:08:40,523 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 08:08:40,523 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:08:40" (3/5) ... [2020-06-22 08:08:40,524 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2759ad47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 08:08:40, skipping insertion in model container [2020-06-22 08:08:40,524 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 08:08:40,524 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 08:08:40" (4/5) ... [2020-06-22 08:08:40,524 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2759ad47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 08:08:40, skipping insertion in model container [2020-06-22 08:08:40,525 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 08:08:40,525 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 08:08:40" (5/5) ... [2020-06-22 08:08:40,526 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 08:08:40,554 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 08:08:40,554 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 08:08:40,554 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 08:08:40,554 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 08:08:40,554 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 08:08:40,555 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 08:08:40,555 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 08:08:40,555 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 08:08:40,555 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 08:08:40,559 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2020-06-22 08:08:40,577 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 4 [2020-06-22 08:08:40,577 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 08:08:40,577 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 08:08:40,583 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 08:08:40,583 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 08:08:40,583 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 08:08:40,583 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2020-06-22 08:08:40,584 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 4 [2020-06-22 08:08:40,585 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 08:08:40,585 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 08:08:40,585 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 08:08:40,585 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 08:08:40,590 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue [76] ULTIMATE.startENTRY-->L10: Formula: (= v_ULTIMATE.start_main_~c~0_1 864) InVars {} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~i~0] 3#L10true [70] L10-->L12-2: Formula: (and (<= v_ULTIMATE.start_main_~c~0_7 10) (= v_ULTIMATE.start_main_~i~0_4 0)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 4#L12-2true [2020-06-22 08:08:40,591 INFO L796 eck$LassoCheckResult]: Loop: 4#L12-2true [74] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_7 (+ v_ULTIMATE.start_main_~i~0_8 1)) (< v_ULTIMATE.start_main_~i~0_8 100)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 4#L12-2true [2020-06-22 08:08:40,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 08:08:40,597 INFO L82 PathProgramCache]: Analyzing trace with hash 3387, now seen corresponding path program 1 times [2020-06-22 08:08:40,599 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 08:08:40,599 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 08:08:40,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:08:40,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 08:08:40,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:08:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 08:08:40,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 08:08:40,695 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 08:08:40,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-06-22 08:08:40,700 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-06-22 08:08:40,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 08:08:40,701 INFO L82 PathProgramCache]: Analyzing trace with hash 105, now seen corresponding path program 1 times [2020-06-22 08:08:40,701 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 08:08:40,701 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 08:08:40,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:08:40,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 08:08:40,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:08:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 08:08:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 08:08:40,756 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 08:08:40,757 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 08:08:40,758 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 08:08:40,758 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 08:08:40,758 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 08:08:40,758 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 08:08:40,758 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 08:08:40,758 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 08:08:40,759 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 08:08:40,759 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 08:08:40,759 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 08:08:40,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 08:08:40,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 08:08:40,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 08:08:40,852 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 08:08:40,852 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 08:08:40,860 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 08:08:40,860 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 08:08:40,893 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 08:08:40,893 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 08:08:40,899 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 08:08:40,899 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 08:08:40,926 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 08:08:40,926 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 08:08:40,930 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 08:08:40,931 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 08:08:40,961 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 08:08:40,961 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 08:08:40,992 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 08:08:40,994 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 08:08:40,994 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 08:08:40,994 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 08:08:40,994 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 08:08:40,995 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 08:08:40,995 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 08:08:40,995 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 08:08:40,995 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 08:08:40,995 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 08:08:40,995 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 08:08:40,995 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 08:08:40,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 08:08:41,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 08:08:41,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 08:08:41,075 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 08:08:41,080 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 08:08:41,082 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 08:08:41,084 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:08:41,084 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:08:41,084 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:08:41,085 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 08:08:41,089 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 08:08:41,090 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 08:08:41,097 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:08:41,097 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 08:08:41,098 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:08:41,098 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:08:41,098 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:08:41,098 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 08:08:41,102 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 08:08:41,102 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 08:08:41,111 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:08:41,112 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 08:08:41,113 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:08:41,113 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 08:08:41,113 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:08:41,114 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:08:41,114 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 08:08:41,115 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 08:08:41,115 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 08:08:41,121 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 08:08:41,126 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 08:08:41,127 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2020-06-22 08:08:41,129 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 08:08:41,129 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 08:08:41,129 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 08:08:41,130 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 199 Supporting invariants [] [2020-06-22 08:08:41,131 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 08:08:41,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 08:08:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 08:08:41,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 08:08:41,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 08:08:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 08:08:41,190 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 08:08:41,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 08:08:41,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 08:08:41,203 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization [2020-06-22 08:08:41,208 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-06-22 08:08:41,209 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 8 states. Second operand 2 states. [2020-06-22 08:08:41,234 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 8 states.. Second operand 2 states. Result 9 states and 13 transitions. Complement of second has 2 states. [2020-06-22 08:08:41,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2020-06-22 08:08:41,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-06-22 08:08:41,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 14 transitions. [2020-06-22 08:08:41,239 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 14 transitions. Stem has 2 letters. Loop has 1 letters. [2020-06-22 08:08:41,240 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 08:08:41,240 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 14 transitions. Stem has 3 letters. Loop has 1 letters. [2020-06-22 08:08:41,241 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 08:08:41,241 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 14 transitions. Stem has 2 letters. Loop has 2 letters. [2020-06-22 08:08:41,241 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 08:08:41,247 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 13 transitions. [2020-06-22 08:08:41,248 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2020-06-22 08:08:41,252 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 7 states and 10 transitions. [2020-06-22 08:08:41,253 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2020-06-22 08:08:41,253 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2020-06-22 08:08:41,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2020-06-22 08:08:41,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 08:08:41,254 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2020-06-22 08:08:41,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2020-06-22 08:08:41,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2020-06-22 08:08:41,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-06-22 08:08:41,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2020-06-22 08:08:41,284 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2020-06-22 08:08:41,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-06-22 08:08:41,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-06-22 08:08:41,288 INFO L87 Difference]: Start difference. First operand 7 states and 10 transitions. Second operand 3 states. [2020-06-22 08:08:41,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 08:08:41,300 INFO L93 Difference]: Finished difference Result 5 states and 5 transitions. [2020-06-22 08:08:41,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-06-22 08:08:41,303 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 5 transitions. [2020-06-22 08:08:41,303 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 08:08:41,304 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 5 states and 5 transitions. [2020-06-22 08:08:41,304 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2020-06-22 08:08:41,304 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2020-06-22 08:08:41,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 5 transitions. [2020-06-22 08:08:41,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 08:08:41,305 INFO L706 BuchiCegarLoop]: Abstraction has 5 states and 5 transitions. [2020-06-22 08:08:41,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 5 transitions. [2020-06-22 08:08:41,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2020-06-22 08:08:41,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-06-22 08:08:41,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2020-06-22 08:08:41,306 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 5 transitions. [2020-06-22 08:08:41,306 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 5 transitions. [2020-06-22 08:08:41,306 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 08:08:41,306 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 5 transitions. [2020-06-22 08:08:41,307 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 08:08:41,307 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 08:08:41,307 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 08:08:41,307 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-06-22 08:08:41,307 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 08:08:41,308 INFO L794 eck$LassoCheckResult]: Stem: 58#ULTIMATE.startENTRY [76] ULTIMATE.startENTRY-->L10: Formula: (= v_ULTIMATE.start_main_~c~0_1 864) InVars {} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~i~0] 56#L10 [92] L10-->L17: Formula: (> v_ULTIMATE.start_main_~c~0_9 10) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_9} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_9} AuxVars[] AssignedVars[] 57#L17 [94] L17-->L17-1: Formula: (> v_ULTIMATE.start_main_~c~0_6 50) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6} AuxVars[] AssignedVars[] 59#L17-1 [96] L17-1-->L31-2: Formula: (and (> v_ULTIMATE.start_main_~c~0_11 100) (= v_ULTIMATE.start_main_~i~0_13 0)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_11} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_11, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 60#L31-2 [2020-06-22 08:08:41,308 INFO L796 eck$LassoCheckResult]: Loop: 60#L31-2 [90] L31-2-->L31-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_18 v_ULTIMATE.start_main_~i~0_19) (< v_ULTIMATE.start_main_~i~0_19 103)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_19} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_18} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 60#L31-2 [2020-06-22 08:08:41,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 08:08:41,308 INFO L82 PathProgramCache]: Analyzing trace with hash 3279059, now seen corresponding path program 1 times [2020-06-22 08:08:41,308 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 08:08:41,309 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 08:08:41,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:08:41,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 08:08:41,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:08:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 08:08:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 08:08:41,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 08:08:41,316 INFO L82 PathProgramCache]: Analyzing trace with hash 121, now seen corresponding path program 1 times [2020-06-22 08:08:41,316 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 08:08:41,316 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 08:08:41,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:08:41,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 08:08:41,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:08:41,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 08:08:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 08:08:41,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 08:08:41,323 INFO L82 PathProgramCache]: Analyzing trace with hash 101650919, now seen corresponding path program 1 times [2020-06-22 08:08:41,323 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 08:08:41,323 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 08:08:41,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:08:41,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 08:08:41,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:08:41,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 08:08:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 08:08:41,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 08:08:41 BasicIcfg [2020-06-22 08:08:41,378 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 08:08:41,379 INFO L168 Benchmark]: Toolchain (without parser) took 1652.08 ms. Allocated memory was 514.9 MB in the beginning and 556.3 MB in the end (delta: 41.4 MB). Free memory was 440.0 MB in the beginning and 422.4 MB in the end (delta: 17.7 MB). Peak memory consumption was 59.1 MB. Max. memory is 50.3 GB. [2020-06-22 08:08:41,381 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 514.9 MB. Free memory is still 460.1 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 08:08:41,381 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.99 ms. Allocated memory was 514.9 MB in the beginning and 556.3 MB in the end (delta: 41.4 MB). Free memory was 440.0 MB in the beginning and 526.5 MB in the end (delta: -86.5 MB). Peak memory consumption was 31.1 MB. Max. memory is 50.3 GB. [2020-06-22 08:08:41,382 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.52 ms. Allocated memory is still 556.3 MB. Free memory was 526.5 MB in the beginning and 524.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 50.3 GB. [2020-06-22 08:08:41,383 INFO L168 Benchmark]: Boogie Preprocessor took 20.14 ms. Allocated memory is still 556.3 MB. Free memory was 524.5 MB in the beginning and 523.8 MB in the end (delta: 674.0 kB). Peak memory consumption was 674.0 kB. Max. memory is 50.3 GB. [2020-06-22 08:08:41,383 INFO L168 Benchmark]: RCFGBuilder took 216.89 ms. Allocated memory is still 556.3 MB. Free memory was 523.2 MB in the beginning and 510.8 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 50.3 GB. [2020-06-22 08:08:41,384 INFO L168 Benchmark]: BlockEncodingV2 took 70.79 ms. Allocated memory is still 556.3 MB. Free memory was 510.8 MB in the beginning and 505.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-06-22 08:08:41,384 INFO L168 Benchmark]: TraceAbstraction took 168.17 ms. Allocated memory is still 556.3 MB. Free memory was 505.4 MB in the beginning and 495.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 50.3 GB. [2020-06-22 08:08:41,385 INFO L168 Benchmark]: BuchiAutomizer took 861.45 ms. Allocated memory is still 556.3 MB. Free memory was 495.2 MB in the beginning and 422.4 MB in the end (delta: 72.9 MB). Peak memory consumption was 72.9 MB. Max. memory is 50.3 GB. [2020-06-22 08:08:41,389 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 12 locations, 22 edges - StatisticsResult: Encoded RCFG 8 locations, 12 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 514.9 MB. Free memory is still 460.1 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 273.99 ms. Allocated memory was 514.9 MB in the beginning and 556.3 MB in the end (delta: 41.4 MB). Free memory was 440.0 MB in the beginning and 526.5 MB in the end (delta: -86.5 MB). Peak memory consumption was 31.1 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 34.52 ms. Allocated memory is still 556.3 MB. Free memory was 526.5 MB in the beginning and 524.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 20.14 ms. Allocated memory is still 556.3 MB. Free memory was 524.5 MB in the beginning and 523.8 MB in the end (delta: 674.0 kB). Peak memory consumption was 674.0 kB. Max. memory is 50.3 GB. * RCFGBuilder took 216.89 ms. Allocated memory is still 556.3 MB. Free memory was 523.2 MB in the beginning and 510.8 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 70.79 ms. Allocated memory is still 556.3 MB. Free memory was 510.8 MB in the beginning and 505.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 168.17 ms. Allocated memory is still 556.3 MB. Free memory was 505.4 MB in the beginning and 495.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 861.45 ms. Allocated memory is still 556.3 MB. Free memory was 495.2 MB in the beginning and 422.4 MB in the end (delta: 72.9 MB). Peak memory consumption was 72.9 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: 12]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 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=8occurred 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 Your program was decomposed into 2 terminating modules (1 trivial, 0 deterministic, 1 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function -2 * i + 199 and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 5 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 16 SDslu, 0 SDs, 0 SdLazy, 8 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax220 hnf100 lsp45 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 31]: 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 {\result=0, c=864, i=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 31]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int c; [L7] int i; [L8] c = (24*6)*6 [L10] COND FALSE !(c <= 10) [L17] COND FALSE !(c <= 50) [L23] COND FALSE !(c <= 100) [L30] i = 0 Loop: [L31] COND TRUE i < 103 [L32] i = i+0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! !SESSION 2020-06-22 08:08:36.454 ----------------------------------------------- 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 08:08:41.624 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check