YES Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 07:07:24,659 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 07:07:24,661 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 07:07:24,673 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 07:07:24,673 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 07:07:24,674 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 07:07:24,675 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 07:07:24,677 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 07:07:24,678 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 07:07:24,679 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 07:07:24,680 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 07:07:24,680 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 07:07:24,681 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 07:07:24,681 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 07:07:24,683 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 07:07:24,683 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 07:07:24,684 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 07:07:24,686 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 07:07:24,688 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 07:07:24,689 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 07:07:24,690 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 07:07:24,691 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 07:07:24,693 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 07:07:24,694 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 07:07:24,694 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 07:07:24,695 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 07:07:24,695 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 07:07:24,696 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 07:07:24,696 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 07:07:24,697 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 07:07:24,697 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 07:07:24,698 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 07:07:24,699 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 07:07:24,699 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 07:07:24,700 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 07:07:24,700 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 07:07:24,700 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 07:07:24,701 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 07:07:24,702 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 07:07:24,702 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-22 07:07:24,716 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 07:07:24,716 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 07:07:24,718 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 07:07:24,718 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 07:07:24,718 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 07:07:24,718 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 07:07:24,718 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 07:07:24,718 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 07:07:24,719 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 07:07:24,719 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 07:07:24,719 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 07:07:24,719 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 07:07:24,719 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 07:07:24,719 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 07:07:24,719 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 07:07:24,720 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 07:07:24,720 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 07:07:24,720 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 07:07:24,720 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 07:07:24,720 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 07:07:24,720 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 07:07:24,721 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 07:07:24,721 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 07:07:24,721 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 07:07:24,721 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 07:07:24,721 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 07:07:24,721 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 07:07:24,722 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 07:07:24,722 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 07:07:24,748 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 07:07:24,761 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 07:07:24,765 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 07:07:24,766 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 07:07:24,767 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 07:07:24,768 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 07:07:24,851 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/2eae7a29aa484e2f8c12c13088369b8c/FLAG83851be22 [2020-06-22 07:07:25,191 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 07:07:25,191 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 07:07:25,198 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/2eae7a29aa484e2f8c12c13088369b8c/FLAG83851be22 [2020-06-22 07:07:25,610 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/2eae7a29aa484e2f8c12c13088369b8c [2020-06-22 07:07:25,621 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 07:07:25,622 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 07:07:25,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 07:07:25,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 07:07:25,627 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 07:07:25,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 07:07:25" (1/1) ... [2020-06-22 07:07:25,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@450e9478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 07:07:25, skipping insertion in model container [2020-06-22 07:07:25,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 07:07:25" (1/1) ... [2020-06-22 07:07:25,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 07:07:25,657 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 07:07:25,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 07:07:25,822 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 07:07:25,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 07:07:25,908 INFO L195 MainTranslator]: Completed translation [2020-06-22 07:07:25,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 07:07:25 WrapperNode [2020-06-22 07:07:25,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 07:07:25,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 07:07:25,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 07:07:25,910 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 07:07:25,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 07:07:25" (1/1) ... [2020-06-22 07:07:25,926 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 07:07:25" (1/1) ... [2020-06-22 07:07:25,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 07:07:25,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 07:07:25,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 07:07:25,946 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 07:07:25,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 07:07:25" (1/1) ... [2020-06-22 07:07:25,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 07:07:25" (1/1) ... [2020-06-22 07:07:25,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 07:07:25" (1/1) ... [2020-06-22 07:07:25,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 07:07:25" (1/1) ... [2020-06-22 07:07:25,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 07:07:25" (1/1) ... [2020-06-22 07:07:25,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 07:07:25" (1/1) ... [2020-06-22 07:07:25,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 07:07:25" (1/1) ... [2020-06-22 07:07:25,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 07:07:25,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 07:07:25,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 07:07:25,963 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 07:07:25,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 07:07:25" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 07:07:26,029 INFO L130 BoogieDeclarations]: Found specification of procedure loop [2020-06-22 07:07:26,029 INFO L138 BoogieDeclarations]: Found implementation of procedure loop [2020-06-22 07:07:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 07:07:26,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 07:07:26,170 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 07:07:26,170 INFO L286 CfgBuilder]: Removed 8 assue(true) statements. [2020-06-22 07:07:26,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:07:26 BoogieIcfgContainer [2020-06-22 07:07:26,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 07:07:26,172 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 07:07:26,172 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 07:07:26,174 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 07:07:26,175 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:07:26" (1/1) ... [2020-06-22 07:07:26,192 INFO L313 BlockEncoder]: Initial Icfg 15 locations, 18 edges [2020-06-22 07:07:26,193 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 07:07:26,194 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 07:07:26,195 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 07:07:26,195 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 07:07:26,197 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 07:07:26,198 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 07:07:26,198 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 07:07:26,213 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 07:07:26,221 INFO L200 BlockEncoder]: SBE split 0 edges [2020-06-22 07:07:26,226 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 07:07:26,228 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 07:07:26,236 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-06-22 07:07:26,238 INFO L70 RemoveSinkStates]: Removed 2 edges and 2 locations by removing sink states [2020-06-22 07:07:26,240 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 07:07:26,240 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 07:07:26,241 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 07:07:26,241 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 07:07:26,241 INFO L313 BlockEncoder]: Encoded RCFG 11 locations, 14 edges [2020-06-22 07:07:26,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 07:07:26 BasicIcfg [2020-06-22 07:07:26,242 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 07:07:26,243 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 07:07:26,243 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 07:07:26,246 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 07:07:26,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 07:07:25" (1/4) ... [2020-06-22 07:07:26,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539b0a03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 07:07:26, skipping insertion in model container [2020-06-22 07:07:26,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 07:07:25" (2/4) ... [2020-06-22 07:07:26,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539b0a03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 07:07:26, skipping insertion in model container [2020-06-22 07:07:26,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:07:26" (3/4) ... [2020-06-22 07:07:26,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539b0a03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 07:07:26, skipping insertion in model container [2020-06-22 07:07:26,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 07:07:26" (4/4) ... [2020-06-22 07:07:26,250 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 07:07:26,259 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 07:07:26,267 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 07:07:26,284 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 07:07:26,317 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 07:07:26,318 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 07:07:26,318 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 07:07:26,318 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 07:07:26,318 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 07:07:26,318 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 07:07:26,319 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 07:07:26,319 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 07:07:26,319 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 07:07:26,337 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2020-06-22 07:07:26,343 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 07:07:26,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-06-22 07:07:26,407 INFO L451 ceAbstractionStarter]: At program point loopENTRY(lines 36 42) the Hoare annotation is: true [2020-06-22 07:07:26,407 INFO L451 ceAbstractionStarter]: At program point L40(line 40) the Hoare annotation is: true [2020-06-22 07:07:26,407 INFO L448 ceAbstractionStarter]: For program point L37(lines 37 41) no Hoare annotation was computed. [2020-06-22 07:07:26,407 INFO L448 ceAbstractionStarter]: For program point L37-1(lines 36 42) no Hoare annotation was computed. [2020-06-22 07:07:26,408 INFO L448 ceAbstractionStarter]: For program point loopEXIT(lines 36 42) no Hoare annotation was computed. [2020-06-22 07:07:26,408 INFO L451 ceAbstractionStarter]: At program point L33(lines 28 34) the Hoare annotation is: true [2020-06-22 07:07:26,408 INFO L451 ceAbstractionStarter]: At program point L33-1(lines 28 34) the Hoare annotation is: true [2020-06-22 07:07:26,408 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 33) no Hoare annotation was computed. [2020-06-22 07:07:26,408 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 07:07:26,408 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 30 33) no Hoare annotation was computed. [2020-06-22 07:07:26,409 INFO L451 ceAbstractionStarter]: At program point L24(line 24) the Hoare annotation is: true [2020-06-22 07:07:26,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 07:07:26 BasicIcfg [2020-06-22 07:07:26,418 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 07:07:26,418 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 07:07:26,418 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 07:07:26,422 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 07:07:26,423 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 07:07:26,423 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 07:07:25" (1/5) ... [2020-06-22 07:07:26,424 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59f207ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 07:07:26, skipping insertion in model container [2020-06-22 07:07:26,424 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 07:07:26,424 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 07:07:25" (2/5) ... [2020-06-22 07:07:26,424 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59f207ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 07:07:26, skipping insertion in model container [2020-06-22 07:07:26,425 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 07:07:26,425 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:07:26" (3/5) ... [2020-06-22 07:07:26,425 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59f207ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 07:07:26, skipping insertion in model container [2020-06-22 07:07:26,425 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 07:07:26,425 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 07:07:26" (4/5) ... [2020-06-22 07:07:26,426 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59f207ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 07:07:26, skipping insertion in model container [2020-06-22 07:07:26,426 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 07:07:26,426 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 07:07:26" (5/5) ... [2020-06-22 07:07:26,428 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 07:07:26,456 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 07:07:26,457 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 07:07:26,457 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 07:07:26,457 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 07:07:26,457 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 07:07:26,457 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 07:07:26,457 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 07:07:26,458 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 07:07:26,458 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 07:07:26,462 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-06-22 07:07:26,482 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-06-22 07:07:26,482 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 07:07:26,482 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 07:07:26,490 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-06-22 07:07:26,490 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-06-22 07:07:26,490 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 07:07:26,490 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-06-22 07:07:26,491 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-06-22 07:07:26,492 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 07:07:26,492 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 07:07:26,492 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-06-22 07:07:26,492 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-06-22 07:07:26,498 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue [41] ULTIMATE.startENTRY-->L30: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_6|, ULTIMATE.start_random_#t~nondet5=|v_ULTIMATE.start_random_#t~nondet5_3|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_5, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_3|, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_3|} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_random_#t~nondet5, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_random_~x~1, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~ret3, ULTIMATE.start_random_#res, ULTIMATE.start_main_#t~ret4] 13#L30true [38] L30-->L33: Formula: (and (= |v_ULTIMATE.start_random_#res_7| (- v_ULTIMATE.start_random_~x~1_7)) (< v_ULTIMATE.start_random_~x~1_7 0)) InVars {ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_7} OutVars{ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_7, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_7|} AuxVars[] AssignedVars[ULTIMATE.start_random_#res] 8#L33true [46] L33-->L30-1: Formula: (= |v_ULTIMATE.start_main_#t~ret3_1| |v_ULTIMATE.start_random_#res_2|) InVars {ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_2|} OutVars{ULTIMATE.start_random_#t~nondet5=|v_ULTIMATE.start_random_#t~nondet5_1|, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_1|, ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_1, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_random_#t~nondet5, ULTIMATE.start_random_~x~1, ULTIMATE.start_main_#t~ret3, ULTIMATE.start_random_#res] 11#L30-1true [53] L30-1-->L33-1: Formula: (and (>= v_ULTIMATE.start_random_~x~1_4 0) (= |v_ULTIMATE.start_random_#res_4| v_ULTIMATE.start_random_~x~1_4)) InVars {ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_4} OutVars{ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_4, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_4|} AuxVars[] AssignedVars[ULTIMATE.start_random_#res] 6#L33-1true [42] L33-1-->L24: Formula: (= |v_ULTIMATE.start_main_#t~ret4_1| |v_ULTIMATE.start_random_#res_5|) InVars {ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_5|} OutVars{ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_1|, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ret4] 12#L24true [48] L24-->loopENTRY: Formula: (and (= |v_loop_#in~bInParam_2| (- |v_ULTIMATE.start_main_#t~ret4_5|)) (= |v_loop_#in~aInParam_2| (- |v_ULTIMATE.start_main_#t~ret3_5|))) InVars {ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_5|, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_5|} OutVars{loop_#in~b=|v_loop_#in~bInParam_2|, loop_#in~a=|v_loop_#in~aInParam_2|} AuxVars[] AssignedVars[loop_#in~b, loop_#in~a]< 3#loopENTRYtrue [2020-06-22 07:07:26,499 INFO L796 eck$LassoCheckResult]: Loop: 3#loopENTRYtrue [34] loopENTRY-->L37: Formula: (and (= v_loop_~b_1 |v_loop_#in~b_1|) (= v_loop_~a_1 |v_loop_#in~a_1|)) InVars {loop_#in~b=|v_loop_#in~b_1|, loop_#in~a=|v_loop_#in~a_1|} OutVars{loop_#in~b=|v_loop_#in~b_1|, loop_#in~a=|v_loop_#in~a_1|, loop_~b=v_loop_~b_1, loop_~a=v_loop_~a_1} AuxVars[] AssignedVars[loop_~b, loop_~a] 7#L37true [43] L37-->L40: Formula: (and (< v_loop_~b_3 v_loop_~a_3) (= v_loop_~b_2 (+ v_loop_~b_3 v_loop_~a_3)) (= v_loop_~a_2 (+ v_loop_~a_3 1))) InVars {loop_~b=v_loop_~b_3, loop_~a=v_loop_~a_3} OutVars{loop_~b=v_loop_~b_2, loop_~a=v_loop_~a_2} AuxVars[] AssignedVars[loop_~b, loop_~a] 4#L40true [35] L40-->loopENTRY: Formula: (and (= |v_loop_#in~bInParam_1| v_loop_~b_6) (= |v_loop_#in~aInParam_1| v_loop_~a_6)) InVars {loop_~b=v_loop_~b_6, loop_~a=v_loop_~a_6} OutVars{loop_#in~b=|v_loop_#in~bInParam_1|, loop_#in~a=|v_loop_#in~aInParam_1|} AuxVars[] AssignedVars[loop_#in~b, loop_#in~a]< 3#loopENTRYtrue [2020-06-22 07:07:26,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 07:07:26,505 INFO L82 PathProgramCache]: Analyzing trace with hash 2097815339, now seen corresponding path program 1 times [2020-06-22 07:07:26,507 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 07:07:26,508 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 07:07:26,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 07:07:26,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 07:07:26,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 07:07:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 07:07:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 07:07:26,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 07:07:26,594 INFO L82 PathProgramCache]: Analyzing trace with hash 63833, now seen corresponding path program 1 times [2020-06-22 07:07:26,594 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 07:07:26,594 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 07:07:26,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 07:07:26,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 07:07:26,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 07:07:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 07:07:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 07:07:26,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 07:07:26,615 INFO L82 PathProgramCache]: Analyzing trace with hash -52325905, now seen corresponding path program 1 times [2020-06-22 07:07:26,616 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 07:07:26,616 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 07:07:26,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 07:07:26,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 07:07:26,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 07:07:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 07:07:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 07:07:26,726 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 07:07:26,727 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 07:07:26,727 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 07:07:26,727 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 07:07:26,728 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 07:07:26,728 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 07:07:26,728 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 07:07:26,728 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 07:07:26,728 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 07:07:26,728 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 07:07:26,729 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 07:07:26,747 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 07:07:26,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 07:07:26,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 07:07:26,816 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 07:07:26,817 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 07:07:26,824 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 07:07:26,825 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 07:07:26,833 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 07:07:26,833 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {loop_~b=0} Honda state: {loop_~b=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 07:07:26,863 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 07:07:26,864 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 07:07:26,867 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 07:07:26,867 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {loop_~a=0} Honda state: {loop_~a=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 07:07:26,894 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 07:07:26,894 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 07:07:26,929 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 07:07:26,929 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 07:07:29,045 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 07:07:29,047 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 07:07:29,047 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 07:07:29,048 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 07:07:29,048 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 07:07:29,048 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 07:07:29,048 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 07:07:29,048 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 07:07:29,048 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 07:07:29,048 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 07:07:29,048 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 07:07:29,049 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 07:07:29,050 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 07:07:29,053 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 07:07:29,056 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 07:07:29,099 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 07:07:29,105 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 07:07:29,107 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 07:07:29,108 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 07:07:29,108 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 07:07:29,109 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 07:07:29,109 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 07:07:29,109 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 07:07:29,112 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 07:07:29,112 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 07:07:29,116 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 07:07:29,116 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 07:07:29,117 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 07:07:29,117 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 07:07:29,117 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 07:07:29,117 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 07:07:29,117 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 07:07:29,118 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 07:07:29,118 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 07:07:29,119 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 07:07:29,120 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 [2020-06-22 07:07:29,120 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 07:07:29,121 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 07:07:29,121 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 07:07:29,121 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 07:07:29,121 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 07:07:29,122 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 07:07:29,122 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 07:07:29,129 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 07:07:29,130 INFO L497 LassoAnalysis]: Using template '2-nested'. [2020-06-22 07:07:29,130 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 07:07:29,131 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 07:07:29,131 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 07:07:29,131 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 07:07:29,131 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 07:07:29,132 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 07:07:29,132 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 07:07:29,133 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 07:07:29,134 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 07:07:29,134 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 07:07:29,135 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 07:07:29,135 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 07:07:29,135 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 07:07:29,135 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 07:07:29,135 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 07:07:29,136 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 07:07:29,136 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 07:07:29,138 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 07:07:29,138 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 07:07:29,139 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 07:07:29,139 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 07:07:29,139 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 07:07:29,139 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 07:07:29,139 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 07:07:29,141 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 07:07:29,141 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 07:07:29,151 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 07:07:29,171 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-06-22 07:07:29,172 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 07:07:29,174 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 07:07:29,174 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 07:07:29,174 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 07:07:29,175 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -2*loop_#in~a + 3 f1 = -2*loop_#in~b + 2*loop_#in~a Supporting invariants [] [2020-06-22 07:07:29,177 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 07:07:29,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 07:07:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 07:07:29,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 07:07:29,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 07:07:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 07:07:29,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 17 conjunts are in the unsatisfiable core [2020-06-22 07:07:29,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 07:07:29,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 07:07:29,929 INFO L98 LoopCannibalizer]: 18 predicates before loop cannibalization 18 predicates after loop cannibalization [2020-06-22 07:07:29,934 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 18 loop predicates [2020-06-22 07:07:29,935 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 11 states. Second operand 4 states. [2020-06-22 07:07:30,863 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 11 states.. Second operand 4 states. Result 40 states and 46 transitions. Complement of second has 19 states. [2020-06-22 07:07:30,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2020-06-22 07:07:30,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-06-22 07:07:30,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions. [2020-06-22 07:07:30,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 6 letters. Loop has 3 letters. [2020-06-22 07:07:30,871 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 07:07:30,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 9 letters. Loop has 3 letters. [2020-06-22 07:07:30,872 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 07:07:30,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 6 letters. Loop has 6 letters. [2020-06-22 07:07:30,873 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 07:07:30,883 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 46 transitions. [2020-06-22 07:07:30,887 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 07:07:30,890 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 0 states and 0 transitions. [2020-06-22 07:07:30,891 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-06-22 07:07:30,891 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-06-22 07:07:30,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-06-22 07:07:30,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 07:07:30,892 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 07:07:30,892 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 07:07:30,892 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 07:07:30,892 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 07:07:30,893 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-06-22 07:07:30,893 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 07:07:30,893 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-06-22 07:07:30,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 07:07:30 BasicIcfg [2020-06-22 07:07:30,899 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 07:07:30,900 INFO L168 Benchmark]: Toolchain (without parser) took 5278.05 ms. Allocated memory was 645.4 MB in the beginning and 681.1 MB in the end (delta: 35.7 MB). Free memory was 561.6 MB in the beginning and 404.4 MB in the end (delta: 157.2 MB). Peak memory consumption was 192.9 MB. Max. memory is 50.3 GB. [2020-06-22 07:07:30,901 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 645.4 MB. Free memory is still 583.0 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 07:07:30,902 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.08 ms. Allocated memory was 645.4 MB in the beginning and 681.1 MB in the end (delta: 35.7 MB). Free memory was 561.6 MB in the beginning and 644.7 MB in the end (delta: -83.1 MB). Peak memory consumption was 28.6 MB. Max. memory is 50.3 GB. [2020-06-22 07:07:30,903 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.55 ms. Allocated memory is still 681.1 MB. Free memory was 644.7 MB in the beginning and 643.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-06-22 07:07:30,903 INFO L168 Benchmark]: Boogie Preprocessor took 16.76 ms. Allocated memory is still 681.1 MB. Free memory was 643.3 MB in the beginning and 642.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-06-22 07:07:30,904 INFO L168 Benchmark]: RCFGBuilder took 209.27 ms. Allocated memory is still 681.1 MB. Free memory was 642.0 MB in the beginning and 627.8 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 50.3 GB. [2020-06-22 07:07:30,904 INFO L168 Benchmark]: BlockEncodingV2 took 69.65 ms. Allocated memory is still 681.1 MB. Free memory was 627.8 MB in the beginning and 622.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 50.3 GB. [2020-06-22 07:07:30,905 INFO L168 Benchmark]: TraceAbstraction took 175.03 ms. Allocated memory is still 681.1 MB. Free memory was 622.5 MB in the beginning and 611.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 50.3 GB. [2020-06-22 07:07:30,905 INFO L168 Benchmark]: BuchiAutomizer took 4480.79 ms. Allocated memory is still 681.1 MB. Free memory was 611.8 MB in the beginning and 404.4 MB in the end (delta: 207.4 MB). Peak memory consumption was 207.4 MB. Max. memory is 50.3 GB. [2020-06-22 07:07:30,910 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 15 locations, 18 edges - StatisticsResult: Encoded RCFG 11 locations, 14 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 645.4 MB. Free memory is still 583.0 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 286.08 ms. Allocated memory was 645.4 MB in the beginning and 681.1 MB in the end (delta: 35.7 MB). Free memory was 561.6 MB in the beginning and 644.7 MB in the end (delta: -83.1 MB). Peak memory consumption was 28.6 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 35.55 ms. Allocated memory is still 681.1 MB. Free memory was 644.7 MB in the beginning and 643.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 16.76 ms. Allocated memory is still 681.1 MB. Free memory was 643.3 MB in the beginning and 642.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * RCFGBuilder took 209.27 ms. Allocated memory is still 681.1 MB. Free memory was 642.0 MB in the beginning and 627.8 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 69.65 ms. Allocated memory is still 681.1 MB. Free memory was 627.8 MB in the beginning and 622.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 50.3 GB. * TraceAbstraction took 175.03 ms. Allocated memory is still 681.1 MB. Free memory was 622.5 MB in the beginning and 611.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 4480.79 ms. Allocated memory is still 681.1 MB. Free memory was 611.8 MB in the beginning and 404.4 MB in the end (delta: 207.4 MB). Peak memory consumption was 207.4 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 11 locations, 0 error locations. SAFE Result, 0.1s 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=11occurred 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, 5 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 5 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 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). One nondeterministic module has 2-nested ranking function (if -2 * \old(a) + 3 > 0 then 1 else 0), (if -2 * \old(a) + 3 > 0 then -2 * \old(a) + 3 else -2 * \old(b) + 2 * \old(a)) and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.5s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 48 SDslu, 13 SDs, 0 SdLazy, 34 SolverSat, 29 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 0.5s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq179 hnf92 smp100 dnf100 smp100 tf108 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 3ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 3 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-06-22 07:07:21.621 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 07:07:31.142 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check