NO Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-21 23:22:23,687 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-21 23:22:23,689 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-21 23:22:23,700 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-21 23:22:23,700 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-21 23:22:23,701 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-21 23:22:23,702 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-21 23:22:23,704 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-21 23:22:23,705 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-21 23:22:23,706 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-21 23:22:23,706 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-21 23:22:23,707 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-21 23:22:23,708 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-21 23:22:23,708 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-21 23:22:23,709 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-21 23:22:23,710 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-21 23:22:23,711 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-21 23:22:23,713 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-21 23:22:23,714 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-21 23:22:23,716 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-21 23:22:23,717 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-21 23:22:23,718 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-21 23:22:23,720 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-21 23:22:23,720 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-21 23:22:23,720 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-21 23:22:23,721 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-21 23:22:23,721 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-21 23:22:23,722 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-21 23:22:23,722 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-21 23:22:23,723 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-21 23:22:23,724 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-21 23:22:23,724 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-21 23:22:23,725 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-21 23:22:23,725 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-21 23:22:23,726 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-21 23:22:23,726 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-21 23:22:23,726 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-21 23:22:23,727 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-21 23:22:23,728 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-21 23:22:23,728 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-21 23:22:23,742 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-21 23:22:23,743 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-21 23:22:23,744 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-21 23:22:23,744 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-21 23:22:23,744 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-21 23:22:23,744 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-21 23:22:23,744 INFO L133 SettingsManager]: * Use SBE=true [2020-06-21 23:22:23,745 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-21 23:22:23,745 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-21 23:22:23,745 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-21 23:22:23,745 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-21 23:22:23,745 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-21 23:22:23,745 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-21 23:22:23,746 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-21 23:22:23,746 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:22:23,746 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-21 23:22:23,746 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-21 23:22:23,746 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-21 23:22:23,746 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-21 23:22:23,747 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-21 23:22:23,747 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-21 23:22:23,747 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-21 23:22:23,747 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-21 23:22:23,747 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-21 23:22:23,748 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-21 23:22:23,748 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-21 23:22:23,748 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-21 23:22:23,748 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-21 23:22:23,748 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-21 23:22:23,773 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-21 23:22:23,787 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-21 23:22:23,790 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-21 23:22:23,792 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-21 23:22:23,792 INFO L276 PluginConnector]: CDTParser initialized [2020-06-21 23:22:23,793 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-21 23:22:23,866 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/33aad9b719c04f9392ccd5633f3bf644/FLAG8fe57e9a4 [2020-06-21 23:22:24,194 INFO L307 CDTParser]: Found 1 translation units. [2020-06-21 23:22:24,195 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-21 23:22:24,201 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/33aad9b719c04f9392ccd5633f3bf644/FLAG8fe57e9a4 [2020-06-21 23:22:24,612 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/33aad9b719c04f9392ccd5633f3bf644 [2020-06-21 23:22:24,624 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-21 23:22:24,625 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-21 23:22:24,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-21 23:22:24,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-21 23:22:24,630 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-21 23:22:24,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 11:22:24" (1/1) ... [2020-06-21 23:22:24,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1952677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:22:24, skipping insertion in model container [2020-06-21 23:22:24,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 11:22:24" (1/1) ... [2020-06-21 23:22:24,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-21 23:22:24,661 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-21 23:22:24,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-21 23:22:24,821 INFO L191 MainTranslator]: Completed pre-run [2020-06-21 23:22:24,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-21 23:22:24,916 INFO L195 MainTranslator]: Completed translation [2020-06-21 23:22:24,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:22:24 WrapperNode [2020-06-21 23:22:24,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-21 23:22:24,917 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-21 23:22:24,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-21 23:22:24,917 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-21 23:22:24,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:22:24" (1/1) ... [2020-06-21 23:22:24,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:22:24" (1/1) ... [2020-06-21 23:22:24,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-21 23:22:24,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-21 23:22:24,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-21 23:22:24,951 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-21 23:22:24,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:22:24" (1/1) ... [2020-06-21 23:22:24,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:22:24" (1/1) ... [2020-06-21 23:22:24,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:22:24" (1/1) ... [2020-06-21 23:22:24,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:22:24" (1/1) ... [2020-06-21 23:22:24,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:22:24" (1/1) ... [2020-06-21 23:22:24,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:22:24" (1/1) ... [2020-06-21 23:22:24,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:22:24" (1/1) ... [2020-06-21 23:22:24,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-21 23:22:24,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-21 23:22:24,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-21 23:22:24,970 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-21 23:22:24,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:22:24" (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 [2020-06-21 23:22:25,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-21 23:22:25,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-21 23:22:25,161 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-21 23:22:25,161 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. [2020-06-21 23:22:25,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 11:22:25 BoogieIcfgContainer [2020-06-21 23:22:25,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-21 23:22:25,163 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-21 23:22:25,163 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-21 23:22:25,165 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-21 23:22:25,166 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 11:22:25" (1/1) ... [2020-06-21 23:22:25,180 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges [2020-06-21 23:22:25,182 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-21 23:22:25,183 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-21 23:22:25,183 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-21 23:22:25,184 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-21 23:22:25,185 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-21 23:22:25,186 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-21 23:22:25,187 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-21 23:22:25,201 INFO L185 BlockEncoder]: Using Use SBE [2020-06-21 23:22:25,208 INFO L200 BlockEncoder]: SBE split 0 edges [2020-06-21 23:22:25,213 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility [2020-06-21 23:22:25,214 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-21 23:22:25,229 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2020-06-21 23:22:25,232 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-06-21 23:22:25,233 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-21 23:22:25,233 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-21 23:22:25,233 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-21 23:22:25,234 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-21 23:22:25,234 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2020-06-21 23:22:25,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 21.06 11:22:25 BasicIcfg [2020-06-21 23:22:25,234 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-21 23:22:25,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-21 23:22:25,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-21 23:22:25,239 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-21 23:22:25,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.06 11:22:24" (1/4) ... [2020-06-21 23:22:25,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b4d0aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.06 11:22:25, skipping insertion in model container [2020-06-21 23:22:25,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:22:24" (2/4) ... [2020-06-21 23:22:25,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b4d0aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.06 11:22:25, skipping insertion in model container [2020-06-21 23:22:25,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 11:22:25" (3/4) ... [2020-06-21 23:22:25,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b4d0aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 11:22:25, skipping insertion in model container [2020-06-21 23:22:25,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 21.06 11:22:25" (4/4) ... [2020-06-21 23:22:25,242 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-21 23:22:25,252 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-21 23:22:25,259 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-21 23:22:25,276 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-21 23:22:25,304 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-21 23:22:25,305 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-21 23:22:25,305 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-21 23:22:25,305 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-21 23:22:25,305 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-21 23:22:25,305 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-21 23:22:25,305 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-21 23:22:25,305 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-21 23:22:25,306 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-21 23:22:25,320 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-06-21 23:22:25,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-21 23:22:25,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-06-21 23:22:25,379 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-21 23:22:25,379 INFO L451 ceAbstractionStarter]: At program point L12-2(lines 12 14) the Hoare annotation is: true [2020-06-21 23:22:25,379 INFO L451 ceAbstractionStarter]: At program point L10-2(lines 10 16) the Hoare annotation is: true [2020-06-21 23:22:25,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 11:22:25 BasicIcfg [2020-06-21 23:22:25,387 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-21 23:22:25,388 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-21 23:22:25,388 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-21 23:22:25,391 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-21 23:22:25,392 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 23:22:25,392 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.06 11:22:24" (1/5) ... [2020-06-21 23:22:25,393 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3057d892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.06 11:22:25, skipping insertion in model container [2020-06-21 23:22:25,393 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 23:22:25,393 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:22:24" (2/5) ... [2020-06-21 23:22:25,394 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3057d892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.06 11:22:25, skipping insertion in model container [2020-06-21 23:22:25,394 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 23:22:25,394 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 11:22:25" (3/5) ... [2020-06-21 23:22:25,394 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3057d892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.06 11:22:25, skipping insertion in model container [2020-06-21 23:22:25,395 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 23:22:25,395 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 21.06 11:22:25" (4/5) ... [2020-06-21 23:22:25,395 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3057d892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.06 11:22:25, skipping insertion in model container [2020-06-21 23:22:25,395 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 23:22:25,396 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 11:22:25" (5/5) ... [2020-06-21 23:22:25,397 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-21 23:22:25,423 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-21 23:22:25,423 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-21 23:22:25,423 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-21 23:22:25,424 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-21 23:22:25,424 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-21 23:22:25,424 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-21 23:22:25,424 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-21 23:22:25,424 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-21 23:22:25,424 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-21 23:22:25,429 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-21 23:22:25,445 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-21 23:22:25,446 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-21 23:22:25,446 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-21 23:22:25,451 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-21 23:22:25,451 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-21 23:22:25,451 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-21 23:22:25,452 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-21 23:22:25,452 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-21 23:22:25,452 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-21 23:22:25,452 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-21 23:22:25,453 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-21 23:22:25,453 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-21 23:22:25,458 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [34] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 5#L10-2true [2020-06-21 23:22:25,458 INFO L796 eck$LassoCheckResult]: Loop: 5#L10-2true [39] L10-2-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 10) (= v_ULTIMATE.start_main_~j~0_7 v_ULTIMATE.start_main_~i~0_9)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 3#L12-2true [45] L12-2-->L10-2: Formula: (and (= (+ v_ULTIMATE.start_main_~i~0_12 1) v_ULTIMATE.start_main_~i~0_11) (<= v_ULTIMATE.start_main_~j~0_8 5)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 5#L10-2true [2020-06-21 23:22:25,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 23:22:25,465 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 1 times [2020-06-21 23:22:25,467 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 23:22:25,467 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 23:22:25,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:22:25,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 23:22:25,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:22:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:22:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:22:25,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 23:22:25,534 INFO L82 PathProgramCache]: Analyzing trace with hash 2215, now seen corresponding path program 1 times [2020-06-21 23:22:25,534 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 23:22:25,534 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 23:22:25,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:22:25,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 23:22:25,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:22:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:22:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:22:25,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 23:22:25,550 INFO L82 PathProgramCache]: Analyzing trace with hash 63719, now seen corresponding path program 1 times [2020-06-21 23:22:25,550 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 23:22:25,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 23:22:25,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:22:25,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 23:22:25,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:22:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:22:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:22:25,609 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 23:22:25,610 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 23:22:25,611 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 23:22:25,611 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 23:22:25,611 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-21 23:22:25,611 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:22:25,611 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 23:22:25,611 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 23:22:25,612 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-21 23:22:25,612 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 23:22:25,612 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 23:22:25,631 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 23:22:25,641 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 23:22:25,646 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 23:22:25,749 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 23:22:25,750 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 [2020-06-21 23:22:25,758 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:22:25,758 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:22:25,791 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:22:25,791 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 [2020-06-21 23:22:25,798 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:22:25,798 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:22:25,826 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:22:25,827 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 [2020-06-21 23:22:25,833 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:22:25,833 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 [2020-06-21 23:22:25,874 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-21 23:22:25,874 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:22:26,020 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-21 23:22:26,023 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 23:22:26,023 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 23:22:26,023 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 23:22:26,023 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 23:22:26,023 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-21 23:22:26,023 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-21 23:22:26,024 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 23:22:26,024 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 23:22:26,024 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-21 23:22:26,024 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 23:22:26,024 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 23:22:26,026 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 23:22:26,033 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 23:22:26,038 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 23:22:26,098 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 23:22:26,103 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-21 23:22:26,105 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 23:22:26,107 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 23:22:26,107 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 23:22:26,107 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 23:22:26,107 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 23:22:26,112 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-21 23:22:26,112 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-21 23:22:26,120 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 23:22:26,120 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 23:22:26,121 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 23:22:26,121 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 23:22:26,121 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 23:22:26,122 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 23:22:26,124 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-21 23:22:26,124 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-21 23:22:26,135 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 23:22:26,135 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 23:22:26,136 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 23:22:26,136 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 23:22:26,137 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 23:22:26,137 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 23:22:26,137 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 23:22:26,138 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-21 23:22:26,138 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 23:22:26,146 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-21 23:22:26,152 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-21 23:22:26,153 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2020-06-21 23:22:26,155 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-21 23:22:26,155 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-21 23:22:26,155 INFO L518 LassoAnalysis]: Proved termination. [2020-06-21 23:22:26,156 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 11 Supporting invariants [] [2020-06-21 23:22:26,157 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-21 23:22:26,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 23:22:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-21 23:22:26,195 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-21 23:22:26,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-21 23:22:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-21 23:22:26,205 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-21 23:22:26,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-21 23:22:26,221 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 23:22:26,245 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-21 23:22:26,249 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 23:22:26,251 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. [2020-06-21 23:22:26,279 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 23:22:26,280 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 23:22:26,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-21 23:22:26,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2020-06-21 23:22:26,284 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 2 letters. [2020-06-21 23:22:26,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-21 23:22:26,285 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 2 letters. [2020-06-21 23:22:26,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-21 23:22:26,286 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 4 letters. [2020-06-21 23:22:26,286 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-21 23:22:26,291 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 9 transitions. [2020-06-21 23:22:26,292 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-21 23:22:26,296 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 9 transitions. [2020-06-21 23:22:26,297 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2020-06-21 23:22:26,297 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2020-06-21 23:22:26,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 9 transitions. [2020-06-21 23:22:26,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-21 23:22:26,298 INFO L706 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2020-06-21 23:22:26,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 9 transitions. [2020-06-21 23:22:26,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 5. [2020-06-21 23:22:26,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-06-21 23:22:26,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. [2020-06-21 23:22:26,326 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. [2020-06-21 23:22:26,327 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. [2020-06-21 23:22:26,327 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-21 23:22:26,327 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 8 transitions. [2020-06-21 23:22:26,327 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-21 23:22:26,327 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-21 23:22:26,328 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-21 23:22:26,328 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-21 23:22:26,328 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-21 23:22:26,328 INFO L794 eck$LassoCheckResult]: Stem: 45#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 46#L10-2 [39] L10-2-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 10) (= v_ULTIMATE.start_main_~j~0_7 v_ULTIMATE.start_main_~i~0_9)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 42#L12-2 [2020-06-21 23:22:26,329 INFO L796 eck$LassoCheckResult]: Loop: 42#L12-2 [33] L12-2-->L12-2: Formula: (and (< 5 v_ULTIMATE.start_main_~j~0_6) (= v_ULTIMATE.start_main_~j~0_5 (+ v_ULTIMATE.start_main_~j~0_6 1))) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_6} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 42#L12-2 [2020-06-21 23:22:26,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 23:22:26,329 INFO L82 PathProgramCache]: Analyzing trace with hash 2054, now seen corresponding path program 1 times [2020-06-21 23:22:26,329 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 23:22:26,329 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 23:22:26,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:22:26,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 23:22:26,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:22:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:22:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:22:26,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 23:22:26,336 INFO L82 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 1 times [2020-06-21 23:22:26,337 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 23:22:26,337 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 23:22:26,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:22:26,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 23:22:26,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:22:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:22:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:22:26,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 23:22:26,343 INFO L82 PathProgramCache]: Analyzing trace with hash 63707, now seen corresponding path program 1 times [2020-06-21 23:22:26,343 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 23:22:26,343 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 23:22:26,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:22:26,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 23:22:26,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:22:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:22:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:22:26,363 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 23:22:26,363 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 23:22:26,363 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 23:22:26,363 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 23:22:26,363 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-21 23:22:26,363 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:22:26,363 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 23:22:26,364 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 23:22:26,364 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-21 23:22:26,364 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 23:22:26,364 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 23:22:26,365 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 23:22:26,368 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 23:22:26,375 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 23:22:26,415 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 23:22:26,415 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/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 23:22:26,419 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:22:26,419 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:22:26,446 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:22:26,446 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/sandbox2/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 23:22:26,452 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:22:26,452 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/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 23:22:26,483 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-21 23:22:26,484 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:22:26,495 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:22:26,495 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0=6} Honda state: {ULTIMATE.start_main_~j~0=6} Generalized eigenvectors: [{ULTIMATE.start_main_~j~0=0}, {ULTIMATE.start_main_~j~0=0}, {ULTIMATE.start_main_~j~0=1}] Lambdas: [0, 0, 1] Nus: [0, 0] No working directory specified, using /export/starexec/sandbox2/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 23:22:26,526 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:22:26,527 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:22:26,554 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:22:26,554 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: [] [2020-06-21 23:22:26,568 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 23:22:26,568 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 23:22:26,568 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 23:22:26,569 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 23:22:26,569 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-21 23:22:26,569 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:22:26,569 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 23:22:26,569 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 23:22:26,569 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso [2020-06-21 23:22:26,569 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 23:22:26,569 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 23:22:26,571 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 23:22:26,573 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 23:22:26,576 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 23:22:26,578 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 23:22:26,581 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 23:22:26,674 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 23:22:26,674 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/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 23:22:26,679 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:22:26,679 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:22:26,683 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:22:26,683 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/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 23:22:26,712 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:22:26,712 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:22:26,739 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:22:26,740 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_4=0} Honda state: {v_rep~unnamed0~0~false_4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:22:26,746 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:22:26,746 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:22:26,750 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:22:26,750 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:22:26,781 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:22:26,781 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:22:26,809 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:22:26,809 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_4=1} Honda state: {v_rep~unnamed0~0~true_4=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:22:26,815 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:22:26,816 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:22:26,847 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-21 23:22:26,848 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:22:26,885 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:22:26,886 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0=0, ULTIMATE.start_main_~j~0=0} Honda state: {ULTIMATE.start_main_~i~0=8, ULTIMATE.start_main_~j~0=8} Generalized eigenvectors: [{ULTIMATE.start_main_~i~0=6, ULTIMATE.start_main_~j~0=1}, {ULTIMATE.start_main_~i~0=6, ULTIMATE.start_main_~j~0=0}, {ULTIMATE.start_main_~i~0=-12, ULTIMATE.start_main_~j~0=0}] Lambdas: [1, 3, 1] Nus: [0, 1] [2020-06-21 23:22:26,918 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:22:26,920 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 23:22:26,920 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:22:26,921 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 23:22:26,921 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:22:26,921 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 23:22:26,922 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:22:26,922 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 23:22:26,924 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:22:26,924 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 23:22:26,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.06 11:22:26 BasicIcfg [2020-06-21 23:22:26,935 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-21 23:22:26,936 INFO L168 Benchmark]: Toolchain (without parser) took 2311.32 ms. Allocated memory was 514.9 MB in the beginning and 589.8 MB in the end (delta: 75.0 MB). Free memory was 439.6 MB in the beginning and 527.2 MB in the end (delta: -87.5 MB). Peak memory consumption was 98.3 MB. Max. memory is 50.3 GB. [2020-06-21 23:22:26,937 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 514.9 MB. Free memory is still 459.6 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-21 23:22:26,938 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.44 ms. Allocated memory was 514.9 MB in the beginning and 565.2 MB in the end (delta: 50.3 MB). Free memory was 438.9 MB in the beginning and 534.9 MB in the end (delta: -95.9 MB). Peak memory consumption was 29.4 MB. Max. memory is 50.3 GB. [2020-06-21 23:22:26,939 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.25 ms. Allocated memory is still 565.2 MB. Free memory was 534.9 MB in the beginning and 533.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-06-21 23:22:26,939 INFO L168 Benchmark]: Boogie Preprocessor took 18.98 ms. Allocated memory is still 565.2 MB. Free memory was 533.5 MB in the beginning and 531.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. [2020-06-21 23:22:26,941 INFO L168 Benchmark]: RCFGBuilder took 192.82 ms. Allocated memory is still 565.2 MB. Free memory was 531.3 MB in the beginning and 520.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 50.3 GB. [2020-06-21 23:22:26,942 INFO L168 Benchmark]: BlockEncodingV2 took 71.41 ms. Allocated memory is still 565.2 MB. Free memory was 520.7 MB in the beginning and 516.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 50.3 GB. [2020-06-21 23:22:26,942 INFO L168 Benchmark]: TraceAbstraction took 152.14 ms. Allocated memory is still 565.2 MB. Free memory was 515.3 MB in the beginning and 506.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 50.3 GB. [2020-06-21 23:22:26,943 INFO L168 Benchmark]: BuchiAutomizer took 1547.31 ms. Allocated memory was 565.2 MB in the beginning and 589.8 MB in the end (delta: 24.6 MB). Free memory was 506.4 MB in the beginning and 527.2 MB in the end (delta: -20.8 MB). Peak memory consumption was 114.7 MB. Max. memory is 50.3 GB. [2020-06-21 23:22:26,947 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 514.9 MB. Free memory is still 459.6 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 290.44 ms. Allocated memory was 514.9 MB in the beginning and 565.2 MB in the end (delta: 50.3 MB). Free memory was 438.9 MB in the beginning and 534.9 MB in the end (delta: -95.9 MB). Peak memory consumption was 29.4 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 33.25 ms. Allocated memory is still 565.2 MB. Free memory was 534.9 MB in the beginning and 533.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 18.98 ms. Allocated memory is still 565.2 MB. Free memory was 533.5 MB in the beginning and 531.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. * RCFGBuilder took 192.82 ms. Allocated memory is still 565.2 MB. Free memory was 531.3 MB in the beginning and 520.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 71.41 ms. Allocated memory is still 565.2 MB. Free memory was 520.7 MB in the beginning and 516.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 50.3 GB. * TraceAbstraction took 152.14 ms. Allocated memory is still 565.2 MB. Free memory was 515.3 MB in the beginning and 506.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1547.31 ms. Allocated memory was 565.2 MB in the beginning and 589.8 MB in the end (delta: 24.6 MB). Free memory was 506.4 MB in the beginning and 527.2 MB in the end (delta: -20.8 MB). Peak memory consumption was 114.7 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false * 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: 10]: 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 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function -2 * i + 11 and consists of 3 locations. The remainder module has 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 0. 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 5 SDslu, 0 SDs, 0 SdLazy, 7 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax194 hnf100 lsp51 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq169 hnf92 smp100 dnf100 smp100 tf108 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 12]: Nontermination argument in form of an infinite program execution. [2020-06-21 23:22:26,956 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:22:26,956 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 23:22:26,956 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:22:26,957 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 23:22:26,957 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:22:26,957 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 23:22:26,958 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:22:26,958 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 23:22:26,958 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:22:26,959 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 23:22:26,959 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:22:26,959 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 23:22:26,960 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:22:26,960 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 23:22:26,961 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:22:26,961 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 23:22:26,961 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:22:26,962 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 23:22:26,962 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:22:26,962 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false Nontermination argument in form of an infinite execution {|ULTIMATE.start_main_#t~nondet0|=0, ~unnamed0~0~false=0, ULTIMATE.start_main_~i~0=0, ~unnamed0~0~true=1, ULTIMATE.start_main_~j~0=0, |ULTIMATE.start_main_#res|=0} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@639c1512=0, ~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=8, j=8} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@639c1512=0, ~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=8, j=9} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@639c1512=0, ~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=8, j=10} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@639c1512=0, ~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=8, j=11} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@639c1512=0, ~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=8, j=12} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 3GEVs Lambdas: [1, 3, 1] Mus: [0, 1] - NonterminatingLassoResult [Line: 12]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] int j; [L8] i = __VERIFIER_nondet_int() [L10] COND TRUE i < 10 [L11] j = i Loop: [L12] COND TRUE j > 5 [L13] j = j+1 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! !SESSION 2020-06-21 23:22:21.416 ----------------------------------------------- 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 2020-06-21 23:22:27.188 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check