NO Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 11:17:25,098 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 11:17:25,100 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 11:17:25,112 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 11:17:25,112 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 11:17:25,113 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 11:17:25,114 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 11:17:25,116 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 11:17:25,117 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 11:17:25,118 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 11:17:25,119 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 11:17:25,119 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 11:17:25,120 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 11:17:25,121 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 11:17:25,122 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 11:17:25,123 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 11:17:25,123 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 11:17:25,125 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 11:17:25,127 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 11:17:25,128 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 11:17:25,129 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 11:17:25,130 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 11:17:25,133 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 11:17:25,133 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 11:17:25,133 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 11:17:25,134 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 11:17:25,134 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 11:17:25,135 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 11:17:25,136 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 11:17:25,136 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 11:17:25,137 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 11:17:25,138 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 11:17:25,139 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 11:17:25,139 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 11:17:25,139 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 11:17:25,140 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 11:17:25,140 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 11:17:25,141 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 11:17:25,141 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 11:17:25,142 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-06-22 11:17:25,156 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 11:17:25,157 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 11:17:25,158 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 11:17:25,158 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 11:17:25,158 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 11:17:25,158 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 11:17:25,158 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 11:17:25,159 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 11:17:25,159 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 11:17:25,159 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 11:17:25,159 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 11:17:25,159 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 11:17:25,159 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 11:17:25,160 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 11:17:25,160 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:17:25,160 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 11:17:25,160 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 11:17:25,160 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 11:17:25,160 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 11:17:25,161 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 11:17:25,161 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 11:17:25,161 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 11:17:25,161 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 11:17:25,161 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 11:17:25,161 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 11:17:25,162 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 11:17:25,162 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 11:17:25,162 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 11:17:25,162 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 11:17:25,189 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 11:17:25,202 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 11:17:25,205 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 11:17:25,207 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 11:17:25,207 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 11:17:25,208 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 11:17:25,276 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/4693ccf93c314a91bef312ef441bf4e0/FLAGcf7d0ab08 [2020-06-22 11:17:25,614 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 11:17:25,615 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 11:17:25,622 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/4693ccf93c314a91bef312ef441bf4e0/FLAGcf7d0ab08 [2020-06-22 11:17:26,020 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/4693ccf93c314a91bef312ef441bf4e0 [2020-06-22 11:17:26,032 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 11:17:26,034 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 11:17:26,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 11:17:26,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 11:17:26,039 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 11:17:26,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 11:17:26" (1/1) ... [2020-06-22 11:17:26,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41f23226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:17:26, skipping insertion in model container [2020-06-22 11:17:26,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 11:17:26" (1/1) ... [2020-06-22 11:17:26,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 11:17:26,069 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 11:17:26,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 11:17:26,233 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 11:17:26,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 11:17:26,329 INFO L195 MainTranslator]: Completed translation [2020-06-22 11:17:26,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:17:26 WrapperNode [2020-06-22 11:17:26,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 11:17:26,331 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 11:17:26,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 11:17:26,331 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 11:17:26,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:17:26" (1/1) ... [2020-06-22 11:17:26,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:17:26" (1/1) ... [2020-06-22 11:17:26,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 11:17:26,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 11:17:26,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 11:17:26,366 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 11:17:26,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:17:26" (1/1) ... [2020-06-22 11:17:26,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:17:26" (1/1) ... [2020-06-22 11:17:26,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:17:26" (1/1) ... [2020-06-22 11:17:26,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:17:26" (1/1) ... [2020-06-22 11:17:26,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:17:26" (1/1) ... [2020-06-22 11:17:26,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:17:26" (1/1) ... [2020-06-22 11:17:26,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:17:26" (1/1) ... [2020-06-22 11:17:26,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 11:17:26,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 11:17:26,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 11:17:26,385 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 11:17:26,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:17:26" (1/1) ... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 11:17:26,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 11:17:26,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 11:17:26,575 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 11:17:26,576 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2020-06-22 11:17:26,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:17:26 BoogieIcfgContainer [2020-06-22 11:17:26,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 11:17:26,578 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 11:17:26,578 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 11:17:26,580 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 11:17:26,581 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:17:26" (1/1) ... [2020-06-22 11:17:26,595 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2020-06-22 11:17:26,596 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 11:17:26,597 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 11:17:26,598 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 11:17:26,598 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 11:17:26,600 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 11:17:26,601 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 11:17:26,601 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 11:17:26,615 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 11:17:26,628 INFO L200 BlockEncoder]: SBE split 1 edges [2020-06-22 11:17:26,633 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-22 11:17:26,635 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 11:17:26,645 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-06-22 11:17:26,647 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states [2020-06-22 11:17:26,649 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 11:17:26,649 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 11:17:26,649 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 11:17:26,649 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 11:17:26,650 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges [2020-06-22 11:17:26,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 11:17:26 BasicIcfg [2020-06-22 11:17:26,650 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 11:17:26,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 11:17:26,651 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 11:17:26,654 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 11:17:26,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 11:17:26" (1/4) ... [2020-06-22 11:17:26,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a81220b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 11:17:26, skipping insertion in model container [2020-06-22 11:17:26,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:17:26" (2/4) ... [2020-06-22 11:17:26,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a81220b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 11:17:26, skipping insertion in model container [2020-06-22 11:17:26,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:17:26" (3/4) ... [2020-06-22 11:17:26,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a81220b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:17:26, skipping insertion in model container [2020-06-22 11:17:26,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 11:17:26" (4/4) ... [2020-06-22 11:17:26,658 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 11:17:26,668 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 11:17:26,676 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 11:17:26,693 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 11:17:26,721 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 11:17:26,722 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 11:17:26,722 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 11:17:26,722 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 11:17:26,722 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 11:17:26,723 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 11:17:26,723 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 11:17:26,723 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 11:17:26,723 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 11:17:26,737 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. [2020-06-22 11:17:26,742 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 11:17:26,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. [2020-06-22 11:17:26,794 INFO L451 ceAbstractionStarter]: At program point L17-2(lines 17 20) the Hoare annotation is: true [2020-06-22 11:17:26,795 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 11:17:26,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:17:26 BasicIcfg [2020-06-22 11:17:26,803 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 11:17:26,803 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 11:17:26,804 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 11:17:26,807 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 11:17:26,808 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 11:17:26,808 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 11:17:26" (1/5) ... [2020-06-22 11:17:26,809 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c5dd1d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 11:17:26, skipping insertion in model container [2020-06-22 11:17:26,809 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 11:17:26,809 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:17:26" (2/5) ... [2020-06-22 11:17:26,809 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c5dd1d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 11:17:26, skipping insertion in model container [2020-06-22 11:17:26,810 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 11:17:26,810 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:17:26" (3/5) ... [2020-06-22 11:17:26,810 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c5dd1d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 11:17:26, skipping insertion in model container [2020-06-22 11:17:26,810 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 11:17:26,810 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 11:17:26" (4/5) ... [2020-06-22 11:17:26,811 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c5dd1d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 11:17:26, skipping insertion in model container [2020-06-22 11:17:26,811 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 11:17:26,811 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:17:26" (5/5) ... [2020-06-22 11:17:26,813 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 11:17:26,840 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 11:17:26,840 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 11:17:26,840 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 11:17:26,840 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 11:17:26,840 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 11:17:26,841 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 11:17:26,841 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 11:17:26,841 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 11:17:26,841 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 11:17:26,844 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-06-22 11:17:26,861 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 11:17:26,861 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 11:17:26,862 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 11:17:26,867 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 11:17:26,867 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 11:17:26,867 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 11:17:26,867 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-06-22 11:17:26,867 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 11:17:26,868 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 11:17:26,868 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 11:17:26,868 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 11:17:26,868 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 11:17:26,873 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [22] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~b~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~a~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_1, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~a~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~b~0] 3#L17-2true [2020-06-22 11:17:26,873 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true [20] L17-2-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~a~0_7 (* 2 v_ULTIMATE.start_main_~a~0_8)) (<= 1 v_ULTIMATE.start_main_~a~0_8) (<= 1 v_ULTIMATE.start_main_~b~0_8) (= v_ULTIMATE.start_main_~b~0_7 (* 3 v_ULTIMATE.start_main_~b~0_8))) InVars {ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_8, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_8} OutVars{ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_7, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~a~0, ULTIMATE.start_main_~b~0] 3#L17-2true [2020-06-22 11:17:26,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:17:26,879 INFO L82 PathProgramCache]: Analyzing trace with hash 53, now seen corresponding path program 1 times [2020-06-22 11:17:26,881 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:17:26,882 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:17:26,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:17:26,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 11:17:26,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:17:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:17:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:17:26,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:17:26,951 INFO L82 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2020-06-22 11:17:26,951 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:17:26,951 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:17:26,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:17:26,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 11:17:26,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:17:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:17:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:17:26,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:17:26,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1663, now seen corresponding path program 1 times [2020-06-22 11:17:26,966 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:17:26,966 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:17:26,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:17:26,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 11:17:26,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:17:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:17:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:17:27,037 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 11:17:27,038 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 11:17:27,038 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 11:17:27,038 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 11:17:27,038 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 11:17:27,039 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:17:27,039 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 11:17:27,039 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 11:17:27,039 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 11:17:27,039 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 11:17:27,040 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 11:17:27,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:17:27,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:17:27,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:17:27,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:17:27,217 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 11:17:27,218 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 [2020-06-22 11:17:27,226 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:17:27,226 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:17:27,259 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:17:27,259 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 [2020-06-22 11:17:27,270 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:17:27,271 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:17:27,299 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:17:27,299 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 [2020-06-22 11:17:27,307 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:17:27,307 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 [2020-06-22 11:17:27,340 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 11:17:27,340 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:17:27,358 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:17:27,358 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~b~0=8} Honda state: {ULTIMATE.start_main_~b~0=8} Generalized eigenvectors: [{ULTIMATE.start_main_~b~0=10}, {ULTIMATE.start_main_~b~0=1}, {ULTIMATE.start_main_~b~0=5}] Lambdas: [3, 3, 3] Nus: [0, 0] 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 [2020-06-22 11:17:27,386 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:17:27,386 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 [2020-06-22 11:17:27,418 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 11:17:27,419 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:17:27,431 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:17:27,432 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0=5} Honda state: {ULTIMATE.start_main_~a~0=5} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0=1}, {ULTIMATE.start_main_~a~0=2}, {ULTIMATE.start_main_~a~0=2}] Lambdas: [0, 1, 2] Nus: [1, 1] [2020-06-22 11:17:27,466 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 11:17:27,466 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 11:17:27,466 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 11:17:27,467 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 11:17:27,467 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 11:17:27,467 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:17:27,467 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 11:17:27,467 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 11:17:27,467 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-06-22 11:17:27,467 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 11:17:27,467 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 11:17:27,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:17:27,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:17:27,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:17:27,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:17:27,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:17:27,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:17:27,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:17:27,575 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 11:17:27,576 INFO L412 LassoAnalysis]: Checking for nontermination... 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 [2020-06-22 11:17:27,580 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:17:27,580 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:17:27,608 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:17:27,608 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 [2020-06-22 11:17:27,615 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:17:27,615 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 [2020-06-22 11:17:27,647 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 11:17:27,648 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:17:27,660 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:17:27,660 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0=5} Honda state: {ULTIMATE.start_main_~a~0=5} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0=1}, {ULTIMATE.start_main_~a~0=2}, {ULTIMATE.start_main_~a~0=2}] Lambdas: [0, 1, 2] Nus: [1, 1] 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 [2020-06-22 11:17:27,687 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:17:27,688 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:17:27,692 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:17:27,692 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/sandbox/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 [2020-06-22 11:17:27,719 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:17:27,719 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:17:27,723 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:17:27,723 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 [2020-06-22 11:17:27,753 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:17:27,753 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:17:27,757 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:17:27,758 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/sandbox/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 [2020-06-22 11:17:27,784 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:17:27,784 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:17:27,811 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:17:27,812 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_2=1} Honda state: {v_rep~unnamed0~0~true_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 [2020-06-22 11:17:27,816 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:17:27,816 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:17:27,848 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 11:17:27,848 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:17:27,861 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:17:27,861 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~b~0=8} Honda state: {ULTIMATE.start_main_~b~0=8} Generalized eigenvectors: [{ULTIMATE.start_main_~b~0=10}, {ULTIMATE.start_main_~b~0=1}, {ULTIMATE.start_main_~b~0=5}] Lambdas: [3, 3, 3] Nus: [0, 0] [2020-06-22 11:17:27,896 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:17:27,898 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 11:17:27,899 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:17:27,899 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 11:17:27,900 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:17:27,900 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 11:17:27,901 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:17:27,901 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 11:17:27,901 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:17:27,902 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 11:17:27,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 11:17:27 BasicIcfg [2020-06-22 11:17:27,914 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 11:17:27,915 INFO L168 Benchmark]: Toolchain (without parser) took 1882.05 ms. Allocated memory was 514.9 MB in the beginning and 568.3 MB in the end (delta: 53.5 MB). Free memory was 440.0 MB in the beginning and 425.9 MB in the end (delta: 14.1 MB). Peak memory consumption was 67.6 MB. Max. memory is 50.3 GB. [2020-06-22 11:17:27,916 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 514.9 MB. Free memory is still 459.8 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 11:17:27,917 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.88 ms. Allocated memory was 514.9 MB in the beginning and 568.3 MB in the end (delta: 53.5 MB). Free memory was 439.5 MB in the beginning and 537.1 MB in the end (delta: -97.6 MB). Peak memory consumption was 29.2 MB. Max. memory is 50.3 GB. [2020-06-22 11:17:27,918 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.35 ms. Allocated memory is still 568.3 MB. Free memory was 537.1 MB in the beginning and 535.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 50.3 GB. [2020-06-22 11:17:27,918 INFO L168 Benchmark]: Boogie Preprocessor took 19.26 ms. Allocated memory is still 568.3 MB. Free memory was 535.5 MB in the beginning and 534.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-06-22 11:17:27,919 INFO L168 Benchmark]: RCFGBuilder took 192.17 ms. Allocated memory is still 568.3 MB. Free memory was 534.4 MB in the beginning and 524.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 50.3 GB. [2020-06-22 11:17:27,919 INFO L168 Benchmark]: BlockEncodingV2 took 72.69 ms. Allocated memory is still 568.3 MB. Free memory was 524.2 MB in the beginning and 519.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 50.3 GB. [2020-06-22 11:17:27,920 INFO L168 Benchmark]: TraceAbstraction took 151.73 ms. Allocated memory is still 568.3 MB. Free memory was 518.8 MB in the beginning and 510.5 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 50.3 GB. [2020-06-22 11:17:27,921 INFO L168 Benchmark]: BuchiAutomizer took 1110.76 ms. Allocated memory is still 568.3 MB. Free memory was 509.9 MB in the beginning and 425.9 MB in the end (delta: 84.0 MB). Peak memory consumption was 84.0 MB. Max. memory is 50.3 GB. [2020-06-22 11:17:27,925 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 6 locations, 7 edges - StatisticsResult: Encoded RCFG 2 locations, 2 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 514.9 MB. Free memory is still 459.8 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 295.88 ms. Allocated memory was 514.9 MB in the beginning and 568.3 MB in the end (delta: 53.5 MB). Free memory was 439.5 MB in the beginning and 537.1 MB in the end (delta: -97.6 MB). Peak memory consumption was 29.2 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 34.35 ms. Allocated memory is still 568.3 MB. Free memory was 537.1 MB in the beginning and 535.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 19.26 ms. Allocated memory is still 568.3 MB. Free memory was 535.5 MB in the beginning and 534.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 192.17 ms. Allocated memory is still 568.3 MB. Free memory was 534.4 MB in the beginning and 524.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 72.69 ms. Allocated memory is still 568.3 MB. Free memory was 524.2 MB in the beginning and 519.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 50.3 GB. * TraceAbstraction took 151.73 ms. Allocated memory is still 568.3 MB. Free memory was 518.8 MB in the beginning and 510.5 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1110.76 ms. Allocated memory is still 568.3 MB. Free memory was 509.9 MB in the beginning and 425.9 MB in the end (delta: 84.0 MB). Peak memory consumption was 84.0 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: 17]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2 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=2occurred 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, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax166 hnf100 lsp33 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 4 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 17]: Nontermination argument in form of an infinite program execution. [2020-06-22 11:17:27,934 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:17:27,935 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 11:17:27,935 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:17:27,936 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 11:17:27,936 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:17:27,936 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 11:17:27,937 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:17:27,937 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 11:17:27,938 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:17:27,938 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 11:17:27,938 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:17:27,939 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 11:17:27,939 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:17:27,939 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 11:17:27,940 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:17:27,940 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 11:17:27,941 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:17:27,941 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 11:17:27,941 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:17:27,942 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_#t~nondet1|=0, ULTIMATE.start_main_~a~0=5, ~unnamed0~0~true=1, |ULTIMATE.start_main_#res|=0, ULTIMATE.start_main_~b~0=8} {a=5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79150895=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5401d0bd=0, b=8, ~unnamed0~0~false=0} {a=10, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79150895=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5401d0bd=0, b=24, ~unnamed0~0~false=0} {a=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79150895=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5401d0bd=0, b=72, ~unnamed0~0~false=0} {a=40, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79150895=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5401d0bd=0, b=216, ~unnamed0~0~false=0} {a=80, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79150895=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5401d0bd=0, b=648, ~unnamed0~0~false=0} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 6GEVs Lambdas: [0, 1, 2, 3, 3, 3] Mus: [1, 1, 0, 0, 0] - NonterminatingLassoResult [Line: 17]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L14] int a, b; [L15] a = __VERIFIER_nondet_int() [L16] b = __VERIFIER_nondet_int() Loop: [L17] COND TRUE a >= 1 && b >= 1 [L18] a = 2*a [L19] b = 3*b End of lasso representation. RESULT: Ultimate proved your program to be incorrect! !SESSION 2020-06-22 11:17:22.788 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 11:17:28.168 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check