YES Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-21 23:44:24,130 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-21 23:44:24,132 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-21 23:44:24,143 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-21 23:44:24,143 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-21 23:44:24,144 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-21 23:44:24,145 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-21 23:44:24,147 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-21 23:44:24,148 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-21 23:44:24,149 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-21 23:44:24,150 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-21 23:44:24,150 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-21 23:44:24,151 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-21 23:44:24,152 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-21 23:44:24,153 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-21 23:44:24,154 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-21 23:44:24,154 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-21 23:44:24,156 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-21 23:44:24,158 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-21 23:44:24,159 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-21 23:44:24,160 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-21 23:44:24,161 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-21 23:44:24,163 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-21 23:44:24,164 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-21 23:44:24,164 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-21 23:44:24,165 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-21 23:44:24,165 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-21 23:44:24,166 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-21 23:44:24,166 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-21 23:44:24,167 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-21 23:44:24,167 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-21 23:44:24,168 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-21 23:44:24,169 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-21 23:44:24,169 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-21 23:44:24,170 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-21 23:44:24,170 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-21 23:44:24,170 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-21 23:44:24,171 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-21 23:44:24,171 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-21 23:44:24,172 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-06-21 23:44:24,186 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-21 23:44:24,186 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-21 23:44:24,187 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-21 23:44:24,188 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-21 23:44:24,188 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-21 23:44:24,188 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-21 23:44:24,188 INFO L133 SettingsManager]: * Use SBE=true [2020-06-21 23:44:24,188 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-21 23:44:24,188 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-21 23:44:24,189 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-21 23:44:24,189 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-21 23:44:24,189 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-21 23:44:24,189 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-21 23:44:24,189 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-21 23:44:24,189 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:44:24,189 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-21 23:44:24,190 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-21 23:44:24,190 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-21 23:44:24,190 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-21 23:44:24,190 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-21 23:44:24,190 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-21 23:44:24,190 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-21 23:44:24,191 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-21 23:44:24,191 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-21 23:44:24,191 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-21 23:44:24,191 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-21 23:44:24,191 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-21 23:44:24,191 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-21 23:44:24,191 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-21 23:44:24,216 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-21 23:44:24,229 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-21 23:44:24,232 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-21 23:44:24,249 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-21 23:44:24,249 INFO L276 PluginConnector]: CDTParser initialized [2020-06-21 23:44:24,250 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-21 23:44:24,341 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/0ed327f1a75d41c98686f69e2b6b3826/FLAGd0c96bd2f [2020-06-21 23:44:24,686 INFO L307 CDTParser]: Found 1 translation units. [2020-06-21 23:44:24,687 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-21 23:44:24,693 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/0ed327f1a75d41c98686f69e2b6b3826/FLAGd0c96bd2f [2020-06-21 23:44:25,097 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/0ed327f1a75d41c98686f69e2b6b3826 [2020-06-21 23:44:25,108 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-21 23:44:25,110 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-21 23:44:25,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-21 23:44:25,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-21 23:44:25,115 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-21 23:44:25,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 11:44:25" (1/1) ... [2020-06-21 23:44:25,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52d0c616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:44:25, skipping insertion in model container [2020-06-21 23:44:25,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 11:44:25" (1/1) ... [2020-06-21 23:44:25,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-21 23:44:25,145 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-21 23:44:25,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-21 23:44:25,305 INFO L191 MainTranslator]: Completed pre-run [2020-06-21 23:44:25,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-21 23:44:25,399 INFO L195 MainTranslator]: Completed translation [2020-06-21 23:44:25,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:44:25 WrapperNode [2020-06-21 23:44:25,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-21 23:44:25,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-21 23:44:25,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-21 23:44:25,401 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-21 23:44:25,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:44:25" (1/1) ... [2020-06-21 23:44:25,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:44:25" (1/1) ... [2020-06-21 23:44:25,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-21 23:44:25,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-21 23:44:25,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-21 23:44:25,436 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-21 23:44:25,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:44:25" (1/1) ... [2020-06-21 23:44:25,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:44:25" (1/1) ... [2020-06-21 23:44:25,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:44:25" (1/1) ... [2020-06-21 23:44:25,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:44:25" (1/1) ... [2020-06-21 23:44:25,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:44:25" (1/1) ... [2020-06-21 23:44:25,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:44:25" (1/1) ... [2020-06-21 23:44:25,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:44:25" (1/1) ... [2020-06-21 23:44:25,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-21 23:44:25,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-21 23:44:25,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-21 23:44:25,455 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-21 23:44:25,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:44:25" (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 [2020-06-21 23:44:25,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-21 23:44:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-21 23:44:25,651 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-21 23:44:25,651 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. [2020-06-21 23:44:25,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 11:44:25 BoogieIcfgContainer [2020-06-21 23:44:25,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-21 23:44:25,653 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-21 23:44:25,653 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-21 23:44:25,655 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-21 23:44:25,656 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 11:44:25" (1/1) ... [2020-06-21 23:44:25,670 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges [2020-06-21 23:44:25,672 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-21 23:44:25,673 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-21 23:44:25,673 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-21 23:44:25,673 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-21 23:44:25,675 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-21 23:44:25,676 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-21 23:44:25,676 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-21 23:44:25,690 INFO L185 BlockEncoder]: Using Use SBE [2020-06-21 23:44:25,698 INFO L200 BlockEncoder]: SBE split 0 edges [2020-06-21 23:44:25,703 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility [2020-06-21 23:44:25,705 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-21 23:44:25,727 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2020-06-21 23:44:25,729 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-06-21 23:44:25,730 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-21 23:44:25,731 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-21 23:44:25,731 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-21 23:44:25,731 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-21 23:44:25,731 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2020-06-21 23:44:25,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 21.06 11:44:25 BasicIcfg [2020-06-21 23:44:25,732 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-21 23:44:25,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-21 23:44:25,733 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-21 23:44:25,737 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-21 23:44:25,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.06 11:44:25" (1/4) ... [2020-06-21 23:44:25,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5750fd36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.06 11:44:25, skipping insertion in model container [2020-06-21 23:44:25,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:44:25" (2/4) ... [2020-06-21 23:44:25,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5750fd36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.06 11:44:25, skipping insertion in model container [2020-06-21 23:44:25,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 11:44:25" (3/4) ... [2020-06-21 23:44:25,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5750fd36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 11:44:25, skipping insertion in model container [2020-06-21 23:44:25,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 21.06 11:44:25" (4/4) ... [2020-06-21 23:44:25,741 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-21 23:44:25,751 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-21 23:44:25,760 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-21 23:44:25,778 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-21 23:44:25,806 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-21 23:44:25,806 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-21 23:44:25,807 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-21 23:44:25,807 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-21 23:44:25,807 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-21 23:44:25,807 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-21 23:44:25,807 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-21 23:44:25,807 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-21 23:44:25,808 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-21 23:44:25,822 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-06-21 23:44:25,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-21 23:44:25,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-06-21 23:44:25,887 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-21 23:44:25,888 INFO L451 ceAbstractionStarter]: At program point L13-2(lines 13 16) the Hoare annotation is: true [2020-06-21 23:44:25,888 INFO L451 ceAbstractionStarter]: At program point L12-2(lines 12 19) the Hoare annotation is: true [2020-06-21 23:44:25,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 11:44:25 BasicIcfg [2020-06-21 23:44:25,896 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-21 23:44:25,897 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-21 23:44:25,897 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-21 23:44:25,900 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-21 23:44:25,901 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 23:44:25,901 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.06 11:44:25" (1/5) ... [2020-06-21 23:44:25,902 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fbacf7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.06 11:44:25, skipping insertion in model container [2020-06-21 23:44:25,902 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 23:44:25,902 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:44:25" (2/5) ... [2020-06-21 23:44:25,903 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fbacf7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.06 11:44:25, skipping insertion in model container [2020-06-21 23:44:25,903 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 23:44:25,903 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 11:44:25" (3/5) ... [2020-06-21 23:44:25,904 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fbacf7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.06 11:44:25, skipping insertion in model container [2020-06-21 23:44:25,904 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 23:44:25,904 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 21.06 11:44:25" (4/5) ... [2020-06-21 23:44:25,904 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fbacf7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.06 11:44:25, skipping insertion in model container [2020-06-21 23:44:25,904 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 23:44:25,905 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 11:44:25" (5/5) ... [2020-06-21 23:44:25,906 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-21 23:44:25,931 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-21 23:44:25,931 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-21 23:44:25,931 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-21 23:44:25,932 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-21 23:44:25,932 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-21 23:44:25,932 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-21 23:44:25,932 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-21 23:44:25,932 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-21 23:44:25,932 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-21 23:44:25,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-21 23:44:25,952 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-21 23:44:25,953 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-21 23:44:25,953 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-21 23:44:25,958 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-21 23:44:25,958 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-21 23:44:25,958 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-21 23:44:25,958 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-21 23:44:25,959 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-21 23:44:25,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-21 23:44:25,959 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-21 23:44:25,959 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-21 23:44:25,960 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-21 23:44:25,965 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [35] ULTIMATE.startENTRY-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 3#L12-2true [2020-06-21 23:44:25,965 INFO L796 eck$LassoCheckResult]: Loop: 3#L12-2true [33] L12-2-->L13-2: Formula: (< v_ULTIMATE.start_main_~z~0_9 v_ULTIMATE.start_main_~x~0_9) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9} AuxVars[] AssignedVars[] 5#L13-2true [45] L13-2-->L12-2: Formula: (and (= (+ v_ULTIMATE.start_main_~c~0_11 1) v_ULTIMATE.start_main_~c~0_10) (= (+ v_ULTIMATE.start_main_~x~0_12 (- 1)) v_ULTIMATE.start_main_~x~0_11) (<= v_ULTIMATE.start_main_~y~0_9 v_ULTIMATE.start_main_~z~0_11)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_11, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_10, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~x~0] 3#L12-2true [2020-06-21 23:44:25,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 23:44:25,972 INFO L82 PathProgramCache]: Analyzing trace with hash 66, now seen corresponding path program 1 times [2020-06-21 23:44:25,973 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 23:44:25,974 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 23:44:26,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:44:26,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 23:44:26,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:44:26,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:44:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:44:26,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 23:44:26,044 INFO L82 PathProgramCache]: Analyzing trace with hash 2029, now seen corresponding path program 1 times [2020-06-21 23:44:26,044 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 23:44:26,044 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 23:44:26,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:44:26,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 23:44:26,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:44:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:44:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:44:26,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 23:44:26,059 INFO L82 PathProgramCache]: Analyzing trace with hash 64494, now seen corresponding path program 1 times [2020-06-21 23:44:26,059 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 23:44:26,059 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 23:44:26,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:44:26,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 23:44:26,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:44:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:44:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:44:26,121 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 23:44:26,122 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 23:44:26,123 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 23:44:26,123 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 23:44:26,123 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-21 23:44:26,123 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:44:26,123 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 23:44:26,123 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 23:44:26,124 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-21 23:44:26,124 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 23:44:26,125 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 23:44:26,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:44:26,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:44:26,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:44:26,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:44:26,263 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 23:44:26,264 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/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 [2020-06-21 23:44:26,272 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:44:26,272 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:44:26,306 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:44:26,306 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/sandbox/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 [2020-06-21 23:44:26,312 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:44:26,313 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:44:26,340 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:44:26,340 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/sandbox/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 [2020-06-21 23:44:26,353 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:44:26,353 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/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 [2020-06-21 23:44:26,385 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-21 23:44:26,386 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:44:26,743 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-21 23:44:26,746 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 23:44:26,746 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 23:44:26,746 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 23:44:26,746 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 23:44:26,747 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-21 23:44:26,747 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-21 23:44:26,747 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 23:44:26,747 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 23:44:26,747 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-21 23:44:26,747 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 23:44:26,747 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 23:44:26,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:44:26,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:44:26,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:44:26,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:44:26,831 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 23:44:26,837 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-21 23:44:26,839 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 [2020-06-21 23:44:26,840 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 23:44:26,841 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 23:44:26,841 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 23:44:26,841 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 23:44:26,845 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-21 23:44:26,845 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-21 23:44:26,853 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 23:44:26,854 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 [2020-06-21 23:44:26,854 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 23:44:26,854 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 23:44:26,855 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 23:44:26,855 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 23:44:26,857 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-21 23:44:26,858 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-21 23:44:26,866 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 23:44:26,866 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 [2020-06-21 23:44:26,867 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 23:44:26,867 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 23:44:26,868 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 23:44:26,868 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 23:44:26,868 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 23:44:26,869 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-21 23:44:26,869 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 23:44:26,876 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-21 23:44:26,886 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-06-21 23:44:26,886 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-21 23:44:26,888 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-21 23:44:26,888 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-21 23:44:26,888 INFO L518 LassoAnalysis]: Proved termination. [2020-06-21 23:44:26,889 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~z~0 + 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2020-06-21 23:44:26,890 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-21 23:44:26,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 23:44:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-21 23:44:26,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-21 23:44:26,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-21 23:44:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-21 23:44:26,939 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-21 23:44:26,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-21 23:44:26,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-21 23:44:26,985 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-21 23:44:26,990 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 2 loop predicates [2020-06-21 23:44:26,992 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. [2020-06-21 23:44:27,020 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 6 states and 9 transitions. Complement of second has 4 states. [2020-06-21 23:44:27,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-06-21 23:44:27,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-21 23:44:27,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2020-06-21 23:44:27,024 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 2 letters. [2020-06-21 23:44:27,026 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-21 23:44:27,026 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 2 letters. [2020-06-21 23:44:27,026 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-21 23:44:27,026 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 4 letters. [2020-06-21 23:44:27,027 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-21 23:44:27,032 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 9 transitions. [2020-06-21 23:44:27,033 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-21 23:44:27,037 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 9 transitions. [2020-06-21 23:44:27,038 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2020-06-21 23:44:27,038 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2020-06-21 23:44:27,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 9 transitions. [2020-06-21 23:44:27,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-21 23:44:27,039 INFO L706 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2020-06-21 23:44:27,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 9 transitions. [2020-06-21 23:44:27,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 5. [2020-06-21 23:44:27,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-06-21 23:44:27,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. [2020-06-21 23:44:27,068 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. [2020-06-21 23:44:27,068 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. [2020-06-21 23:44:27,068 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-21 23:44:27,068 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 8 transitions. [2020-06-21 23:44:27,068 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-21 23:44:27,069 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-21 23:44:27,069 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-21 23:44:27,069 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-21 23:44:27,069 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-21 23:44:27,070 INFO L794 eck$LassoCheckResult]: Stem: 46#ULTIMATE.startENTRY [35] ULTIMATE.startENTRY-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 42#L12-2 [33] L12-2-->L13-2: Formula: (< v_ULTIMATE.start_main_~z~0_9 v_ULTIMATE.start_main_~x~0_9) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9} AuxVars[] AssignedVars[] 44#L13-2 [2020-06-21 23:44:27,070 INFO L796 eck$LassoCheckResult]: Loop: 44#L13-2 [38] L13-2-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 (- 1))) (< v_ULTIMATE.start_main_~z~0_7 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1))) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0] 44#L13-2 [2020-06-21 23:44:27,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 23:44:27,070 INFO L82 PathProgramCache]: Analyzing trace with hash 2079, now seen corresponding path program 1 times [2020-06-21 23:44:27,070 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 23:44:27,071 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 23:44:27,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:44:27,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 23:44:27,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:44:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:44:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:44:27,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 23:44:27,079 INFO L82 PathProgramCache]: Analyzing trace with hash 69, now seen corresponding path program 1 times [2020-06-21 23:44:27,079 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 23:44:27,079 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 23:44:27,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:44:27,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 23:44:27,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:44:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:44:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:44:27,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 23:44:27,086 INFO L82 PathProgramCache]: Analyzing trace with hash 64487, now seen corresponding path program 1 times [2020-06-21 23:44:27,086 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 23:44:27,086 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 23:44:27,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:44:27,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 23:44:27,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:44:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:44:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:44:27,114 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 23:44:27,114 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 23:44:27,114 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 23:44:27,114 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 23:44:27,114 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-21 23:44:27,114 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:44:27,114 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 23:44:27,115 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 23:44:27,115 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-21 23:44:27,115 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 23:44:27,115 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 23:44:27,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:44:27,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:44:27,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:44:27,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:44:27,172 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 23:44:27,172 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 6 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:44:27,175 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:44:27,176 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:44:27,203 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:44:27,203 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:44:27,208 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:44:27,208 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:44:27,242 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-21 23:44:27,242 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:44:27,276 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:44:27,276 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=0} Honda state: {ULTIMATE.start_main_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=0}, {ULTIMATE.start_main_~c~0=-1}, {ULTIMATE.start_main_~c~0=2}] Lambdas: [4, 3, 1] Nus: [0, 1] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:44:27,305 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:44:27,306 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:44:27,336 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:44:27,336 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:44:27,346 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:44:27,346 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:44:27,382 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-21 23:44:27,382 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:44:27,620 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-21 23:44:27,622 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 23:44:27,623 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 23:44:27,623 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 23:44:27,623 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 23:44:27,623 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-21 23:44:27,623 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-21 23:44:27,623 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 23:44:27,623 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 23:44:27,624 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-21 23:44:27,624 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 23:44:27,624 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 23:44:27,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:44:27,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:44:27,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:44:27,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:44:27,700 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 23:44:27,701 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-21 23:44:27,701 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 [2020-06-21 23:44:27,702 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 23:44:27,702 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 23:44:27,703 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 23:44:27,703 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 23:44:27,705 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-21 23:44:27,705 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-21 23:44:27,709 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 23:44:27,710 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 [2020-06-21 23:44:27,711 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 23:44:27,711 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 23:44:27,711 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 23:44:27,711 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 23:44:27,711 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 23:44:27,712 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-21 23:44:27,712 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 23:44:27,717 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 23:44:27,718 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 [2020-06-21 23:44:27,718 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 23:44:27,718 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 23:44:27,719 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 23:44:27,719 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 23:44:27,720 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-21 23:44:27,721 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-21 23:44:27,726 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 23:44:27,727 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 [2020-06-21 23:44:27,728 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 23:44:27,728 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 23:44:27,728 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 23:44:27,728 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 23:44:27,728 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 23:44:27,729 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-21 23:44:27,729 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 23:44:27,733 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-21 23:44:27,743 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-21 23:44:27,743 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-21 23:44:27,743 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-21 23:44:27,743 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-21 23:44:27,744 INFO L518 LassoAnalysis]: Proved termination. [2020-06-21 23:44:27,744 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~y~0) = -1*ULTIMATE.start_main_~z~0 + 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2020-06-21 23:44:27,744 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-21 23:44:27,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 23:44:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-21 23:44:27,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-21 23:44:27,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-21 23:44:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-21 23:44:27,771 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-21 23:44:27,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-21 23:44:27,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-21 23:44:27,772 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization [2020-06-21 23:44:27,773 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 [2020-06-21 23:44:27,773 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 5 Second operand 2 states. [2020-06-21 23:44:27,783 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 11 states and 16 transitions. Complement of second has 6 states. [2020-06-21 23:44:27,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-06-21 23:44:27,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-06-21 23:44:27,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2020-06-21 23:44:27,784 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2020-06-21 23:44:27,785 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-21 23:44:27,785 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 3 letters. Loop has 1 letters. [2020-06-21 23:44:27,785 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-21 23:44:27,785 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 2 letters. Loop has 2 letters. [2020-06-21 23:44:27,785 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-21 23:44:27,787 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 16 transitions. [2020-06-21 23:44:27,788 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-21 23:44:27,788 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. [2020-06-21 23:44:27,788 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-06-21 23:44:27,788 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-06-21 23:44:27,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-06-21 23:44:27,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-21 23:44:27,789 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-21 23:44:27,789 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-21 23:44:27,789 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-21 23:44:27,789 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2020-06-21 23:44:27,789 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-06-21 23:44:27,789 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-21 23:44:27,789 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-06-21 23:44:27,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.06 11:44:27 BasicIcfg [2020-06-21 23:44:27,795 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-21 23:44:27,796 INFO L168 Benchmark]: Toolchain (without parser) took 2686.90 ms. Allocated memory was 649.6 MB in the beginning and 681.6 MB in the end (delta: 32.0 MB). Free memory was 558.8 MB in the beginning and 467.1 MB in the end (delta: 91.7 MB). Peak memory consumption was 123.7 MB. Max. memory is 50.3 GB. [2020-06-21 23:44:27,797 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 581.5 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-21 23:44:27,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.31 ms. Allocated memory was 649.6 MB in the beginning and 681.6 MB in the end (delta: 32.0 MB). Free memory was 558.8 MB in the beginning and 649.0 MB in the end (delta: -90.2 MB). Peak memory consumption was 30.5 MB. Max. memory is 50.3 GB. [2020-06-21 23:44:27,799 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.37 ms. Allocated memory is still 681.6 MB. Free memory was 649.0 MB in the beginning and 647.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-06-21 23:44:27,799 INFO L168 Benchmark]: Boogie Preprocessor took 19.03 ms. Allocated memory is still 681.6 MB. Free memory was 647.7 MB in the beginning and 644.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. [2020-06-21 23:44:27,800 INFO L168 Benchmark]: RCFGBuilder took 197.81 ms. Allocated memory is still 681.6 MB. Free memory was 644.6 MB in the beginning and 631.6 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. [2020-06-21 23:44:27,800 INFO L168 Benchmark]: BlockEncodingV2 took 79.24 ms. Allocated memory is still 681.6 MB. Free memory was 631.6 MB in the beginning and 625.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. [2020-06-21 23:44:27,801 INFO L168 Benchmark]: TraceAbstraction took 163.38 ms. Allocated memory is still 681.6 MB. Free memory was 625.2 MB in the beginning and 615.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. [2020-06-21 23:44:27,802 INFO L168 Benchmark]: BuchiAutomizer took 1898.47 ms. Allocated memory is still 681.6 MB. Free memory was 615.7 MB in the beginning and 467.1 MB in the end (delta: 148.6 MB). Peak memory consumption was 148.6 MB. Max. memory is 50.3 GB. [2020-06-21 23:44:27,805 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 8 locations, 11 edges - StatisticsResult: Encoded RCFG 3 locations, 4 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 581.5 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 289.31 ms. Allocated memory was 649.6 MB in the beginning and 681.6 MB in the end (delta: 32.0 MB). Free memory was 558.8 MB in the beginning and 649.0 MB in the end (delta: -90.2 MB). Peak memory consumption was 30.5 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 34.37 ms. Allocated memory is still 681.6 MB. Free memory was 649.0 MB in the beginning and 647.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 19.03 ms. Allocated memory is still 681.6 MB. Free memory was 647.7 MB in the beginning and 644.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 197.81 ms. Allocated memory is still 681.6 MB. Free memory was 644.6 MB in the beginning and 631.6 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 79.24 ms. Allocated memory is still 681.6 MB. Free memory was 631.6 MB in the beginning and 625.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. * TraceAbstraction took 163.38 ms. Allocated memory is still 681.6 MB. Free memory was 625.2 MB in the beginning and 615.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1898.47 ms. Allocated memory is still 681.6 MB. Free memory was 615.7 MB in the beginning and 467.1 MB in the end (delta: 148.6 MB). Peak memory consumption was 148.6 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: 13]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3 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=3occurred 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 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 (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function -1 * z + x and consists of 3 locations. One nondeterministic module has affine ranking function -1 * z + y and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 13 SDslu, 0 SDs, 0 SdLazy, 12 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax173 hnf100 lsp40 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp100 dnf100 smp100 tf112 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-06-21 23:44:21.840 ----------------------------------------------- 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 2020-06-21 23:44:28.039 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check