YES Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 07:43:11,656 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 07:43:11,658 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 07:43:11,670 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 07:43:11,670 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 07:43:11,671 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 07:43:11,672 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 07:43:11,674 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 07:43:11,675 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 07:43:11,676 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 07:43:11,677 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 07:43:11,677 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 07:43:11,678 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 07:43:11,679 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 07:43:11,680 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 07:43:11,681 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 07:43:11,682 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 07:43:11,684 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 07:43:11,686 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 07:43:11,687 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 07:43:11,688 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 07:43:11,689 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 07:43:11,691 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 07:43:11,692 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 07:43:11,692 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 07:43:11,693 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 07:43:11,693 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 07:43:11,694 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 07:43:11,694 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 07:43:11,695 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 07:43:11,696 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 07:43:11,696 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 07:43:11,697 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 07:43:11,697 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 07:43:11,698 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 07:43:11,698 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 07:43:11,698 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 07:43:11,699 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 07:43:11,700 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 07:43:11,700 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-22 07:43:11,715 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 07:43:11,715 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 07:43:11,716 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 07:43:11,717 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 07:43:11,717 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 07:43:11,717 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 07:43:11,717 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 07:43:11,717 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 07:43:11,717 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 07:43:11,718 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 07:43:11,718 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 07:43:11,718 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 07:43:11,718 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 07:43:11,718 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 07:43:11,719 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 07:43:11,719 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 07:43:11,719 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 07:43:11,719 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 07:43:11,719 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 07:43:11,720 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 07:43:11,720 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 07:43:11,720 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 07:43:11,720 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 07:43:11,720 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 07:43:11,720 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 07:43:11,721 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 07:43:11,721 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 07:43:11,721 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 07:43:11,721 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 07:43:11,749 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 07:43:11,762 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 07:43:11,765 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 07:43:11,767 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 07:43:11,767 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 07:43:11,768 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 07:43:11,837 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/1514f225922749108cc789b6adeb6822/FLAG3b6a58961 [2020-06-22 07:43:12,180 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 07:43:12,181 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 07:43:12,187 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/1514f225922749108cc789b6adeb6822/FLAG3b6a58961 [2020-06-22 07:43:12,611 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/1514f225922749108cc789b6adeb6822 [2020-06-22 07:43:12,623 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 07:43:12,624 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 07:43:12,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 07:43:12,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 07:43:12,629 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 07:43:12,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 07:43:12" (1/1) ... [2020-06-22 07:43:12,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61a96d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 07:43:12, skipping insertion in model container [2020-06-22 07:43:12,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 07:43:12" (1/1) ... [2020-06-22 07:43:12,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 07:43:12,659 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 07:43:12,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 07:43:12,826 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 07:43:12,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 07:43:12,934 INFO L195 MainTranslator]: Completed translation [2020-06-22 07:43:12,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 07:43:12 WrapperNode [2020-06-22 07:43:12,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 07:43:12,935 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 07:43:12,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 07:43:12,936 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 07:43:12,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 07:43:12" (1/1) ... [2020-06-22 07:43:12,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 07:43:12" (1/1) ... [2020-06-22 07:43:12,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 07:43:12,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 07:43:12,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 07:43:12,974 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 07:43:12,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 07:43:12" (1/1) ... [2020-06-22 07:43:12,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 07:43:12" (1/1) ... [2020-06-22 07:43:12,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 07:43:12" (1/1) ... [2020-06-22 07:43:12,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 07:43:12" (1/1) ... [2020-06-22 07:43:12,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 07:43:12" (1/1) ... [2020-06-22 07:43:12,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 07:43:12" (1/1) ... [2020-06-22 07:43:12,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 07:43:12" (1/1) ... [2020-06-22 07:43:12,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 07:43:12,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 07:43:12,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 07:43:12,994 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 07:43:12,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 07:43:12" (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 07:43:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 07:43:13,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 07:43:13,209 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 07:43:13,209 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2020-06-22 07:43:13,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:43:13 BoogieIcfgContainer [2020-06-22 07:43:13,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 07:43:13,211 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 07:43:13,212 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 07:43:13,214 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 07:43:13,215 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:43:13" (1/1) ... [2020-06-22 07:43:13,231 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges [2020-06-22 07:43:13,232 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 07:43:13,233 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 07:43:13,234 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 07:43:13,234 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 07:43:13,236 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 07:43:13,237 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 07:43:13,237 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 07:43:13,253 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 07:43:13,260 INFO L200 BlockEncoder]: SBE split 0 edges [2020-06-22 07:43:13,265 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-22 07:43:13,267 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 07:43:13,281 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2020-06-22 07:43:13,284 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-06-22 07:43:13,285 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 07:43:13,285 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 07:43:13,286 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 07:43:13,286 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 07:43:13,286 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2020-06-22 07:43:13,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 07:43:13 BasicIcfg [2020-06-22 07:43:13,287 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 07:43:13,288 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 07:43:13,288 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 07:43:13,291 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 07:43:13,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 07:43:12" (1/4) ... [2020-06-22 07:43:13,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb9d093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 07:43:13, skipping insertion in model container [2020-06-22 07:43:13,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 07:43:12" (2/4) ... [2020-06-22 07:43:13,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb9d093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 07:43:13, skipping insertion in model container [2020-06-22 07:43:13,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:43:13" (3/4) ... [2020-06-22 07:43:13,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb9d093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 07:43:13, skipping insertion in model container [2020-06-22 07:43:13,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 07:43:13" (4/4) ... [2020-06-22 07:43:13,295 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 07:43:13,305 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 07:43:13,313 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 07:43:13,329 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 07:43:13,358 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 07:43:13,358 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 07:43:13,358 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 07:43:13,359 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 07:43:13,359 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 07:43:13,359 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 07:43:13,359 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 07:43:13,359 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 07:43:13,359 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 07:43:13,373 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-06-22 07:43:13,379 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 07:43:13,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-06-22 07:43:13,430 INFO L451 ceAbstractionStarter]: At program point L18-2(lines 17 25) the Hoare annotation is: true [2020-06-22 07:43:13,431 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 07:43:13,431 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 24) no Hoare annotation was computed. [2020-06-22 07:43:13,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 07:43:13 BasicIcfg [2020-06-22 07:43:13,439 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 07:43:13,440 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 07:43:13,440 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 07:43:13,443 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 07:43:13,444 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 07:43:13,444 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 07:43:12" (1/5) ... [2020-06-22 07:43:13,445 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b781c23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 07:43:13, skipping insertion in model container [2020-06-22 07:43:13,445 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 07:43:13,445 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 07:43:12" (2/5) ... [2020-06-22 07:43:13,445 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b781c23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 07:43:13, skipping insertion in model container [2020-06-22 07:43:13,446 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 07:43:13,446 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:43:13" (3/5) ... [2020-06-22 07:43:13,446 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b781c23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 07:43:13, skipping insertion in model container [2020-06-22 07:43:13,446 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 07:43:13,447 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 07:43:13" (4/5) ... [2020-06-22 07:43:13,447 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b781c23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 07:43:13, skipping insertion in model container [2020-06-22 07:43:13,447 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 07:43:13,447 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 07:43:13" (5/5) ... [2020-06-22 07:43:13,448 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 07:43:13,475 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 07:43:13,476 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 07:43:13,476 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 07:43:13,476 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 07:43:13,476 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 07:43:13,476 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 07:43:13,476 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 07:43:13,476 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 07:43:13,477 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 07:43:13,480 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 07:43:13,497 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 07:43:13,497 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 07:43:13,497 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 07:43:13,502 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 07:43:13,502 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 07:43:13,503 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 07:43:13,503 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 07:43:13,503 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 07:43:13,503 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 07:43:13,504 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 07:43:13,504 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 07:43:13,504 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 07:43:13,509 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [26] ULTIMATE.startENTRY-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~q~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_1, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~q~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0] 4#L18-2true [2020-06-22 07:43:13,510 INFO L796 eck$LassoCheckResult]: Loop: 4#L18-2true [29] L18-2-->L18: Formula: (< 0 v_ULTIMATE.start_main_~q~0_7) InVars {ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_7} OutVars{ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_7} AuxVars[] AssignedVars[] 5#L18true [34] L18-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_8 (+ v_ULTIMATE.start_main_~y~0_9 (- 1))) (= v_ULTIMATE.start_main_~q~0_9 (+ v_ULTIMATE.start_main_~q~0_10 (- 1))) (>= 0 v_ULTIMATE.start_main_~y~0_9)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~q~0, ULTIMATE.start_main_~y~0] 4#L18-2true [2020-06-22 07:43:13,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 07:43:13,516 INFO L82 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times [2020-06-22 07:43:13,518 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 07:43:13,519 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 07:43:13,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 07:43:13,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 07:43:13,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 07:43:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 07:43:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 07:43:13,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 07:43:13,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1894, now seen corresponding path program 1 times [2020-06-22 07:43:13,588 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 07:43:13,588 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 07:43:13,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 07:43:13,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 07:43:13,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 07:43:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 07:43:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 07:43:13,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 07:43:13,603 INFO L82 PathProgramCache]: Analyzing trace with hash 55710, now seen corresponding path program 1 times [2020-06-22 07:43:13,603 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 07:43:13,603 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 07:43:13,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 07:43:13,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 07:43:13,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 07:43:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 07:43:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 07:43:13,668 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 07:43:13,669 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 07:43:13,670 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 07:43:13,670 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 07:43:13,670 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 07:43:13,670 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 07:43:13,670 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 07:43:13,670 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 07:43:13,671 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 07:43:13,671 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 07:43:13,671 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 07:43:13,691 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 07:43:13,701 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 07:43:13,713 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 07:43:13,722 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 07:43:13,845 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 07:43:13,846 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 07:43:13,854 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 07:43:13,854 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 07:43:13,887 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 07:43:13,887 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 07:43:13,893 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 07:43:13,893 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 07:43:13,922 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 07:43:13,922 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 07:43:13,927 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 07:43:13,927 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 07:43:13,958 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 07:43:13,958 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 07:43:13,975 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 07:43:13,975 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=0}, {ULTIMATE.start_main_~y~0=0}, {ULTIMATE.start_main_~y~0=-1}] Lambdas: [0, 8, 1] Nus: [0, 0] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 07:43:14,002 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 07:43:14,003 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 07:43:14,033 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 07:43:14,033 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 07:43:14,063 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 07:43:14,065 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 07:43:14,066 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 07:43:14,066 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 07:43:14,066 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 07:43:14,066 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 07:43:14,066 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 07:43:14,066 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 07:43:14,066 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 07:43:14,067 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 07:43:14,067 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 07:43:14,067 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 07:43:14,069 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 07:43:14,073 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 07:43:14,076 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 07:43:14,083 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 07:43:14,181 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 07:43:14,187 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 07:43:14,189 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 07:43:14,190 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 07:43:14,191 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 07:43:14,191 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 07:43:14,191 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 07:43:14,196 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 07:43:14,196 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 07:43:14,205 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 07:43:14,205 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 07:43:14,206 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 07:43:14,206 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 07:43:14,206 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 07:43:14,207 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 07:43:14,209 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 07:43:14,209 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 07:43:14,218 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 07:43:14,219 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 07:43:14,219 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 07:43:14,219 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 07:43:14,220 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 07:43:14,220 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 07:43:14,220 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 07:43:14,221 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 07:43:14,221 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 07:43:14,227 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 07:43:14,227 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 07:43:14,228 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 07:43:14,228 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 07:43:14,228 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 07:43:14,229 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 07:43:14,229 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 07:43:14,230 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 07:43:14,230 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 07:43:14,235 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 07:43:14,240 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 07:43:14,240 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 07:43:14,243 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 07:43:14,243 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 07:43:14,243 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 07:43:14,244 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~q~0) = 1*ULTIMATE.start_main_~q~0 Supporting invariants [] [2020-06-22 07:43:14,245 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 07:43:14,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 07:43:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 07:43:14,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 07:43:14,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 07:43:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 07:43:14,304 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 07:43:14,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 07:43:14,318 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 07:43:14,341 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-22 07:43:14,346 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-06-22 07:43:14,348 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. [2020-06-22 07:43:14,381 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 7 states and 10 transitions. Complement of second has 4 states. [2020-06-22 07:43:14,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-06-22 07:43:14,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 07:43:14,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2020-06-22 07:43:14,386 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 1 letters. Loop has 2 letters. [2020-06-22 07:43:14,387 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 07:43:14,388 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 2 letters. [2020-06-22 07:43:14,388 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 07:43:14,388 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 1 letters. Loop has 4 letters. [2020-06-22 07:43:14,388 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 07:43:14,394 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 10 transitions. [2020-06-22 07:43:14,395 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 07:43:14,399 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 10 transitions. [2020-06-22 07:43:14,400 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-06-22 07:43:14,401 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2020-06-22 07:43:14,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2020-06-22 07:43:14,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 07:43:14,402 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2020-06-22 07:43:14,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2020-06-22 07:43:14,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2020-06-22 07:43:14,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-06-22 07:43:14,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2020-06-22 07:43:14,431 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2020-06-22 07:43:14,431 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2020-06-22 07:43:14,431 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 07:43:14,431 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2020-06-22 07:43:14,431 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 07:43:14,432 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 07:43:14,432 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 07:43:14,432 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-06-22 07:43:14,432 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 07:43:14,433 INFO L794 eck$LassoCheckResult]: Stem: 48#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~q~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_1, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~q~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0] 49#L18-2 [29] L18-2-->L18: Formula: (< 0 v_ULTIMATE.start_main_~q~0_7) InVars {ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_7} OutVars{ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_7} AuxVars[] AssignedVars[] 47#L18 [30] L18-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~q~0_8 |v_ULTIMATE.start_main_#t~nondet2_3|) (< 0 v_ULTIMATE.start_main_~y~0_7) (= v_ULTIMATE.start_main_~y~0_6 0)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_8, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_~q~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~y~0] 43#L18-2 [2020-06-22 07:43:14,433 INFO L796 eck$LassoCheckResult]: Loop: 43#L18-2 [29] L18-2-->L18: Formula: (< 0 v_ULTIMATE.start_main_~q~0_7) InVars {ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_7} OutVars{ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_7} AuxVars[] AssignedVars[] 44#L18 [34] L18-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_8 (+ v_ULTIMATE.start_main_~y~0_9 (- 1))) (= v_ULTIMATE.start_main_~q~0_9 (+ v_ULTIMATE.start_main_~q~0_10 (- 1))) (>= 0 v_ULTIMATE.start_main_~y~0_9)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~q~0, ULTIMATE.start_main_~y~0] 43#L18-2 [2020-06-22 07:43:14,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 07:43:14,433 INFO L82 PathProgramCache]: Analyzing trace with hash 55706, now seen corresponding path program 1 times [2020-06-22 07:43:14,434 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 07:43:14,434 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 07:43:14,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 07:43:14,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 07:43:14,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 07:43:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 07:43:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 07:43:14,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 07:43:14,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1894, now seen corresponding path program 2 times [2020-06-22 07:43:14,444 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 07:43:14,445 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 07:43:14,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 07:43:14,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 07:43:14,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 07:43:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 07:43:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 07:43:14,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 07:43:14,452 INFO L82 PathProgramCache]: Analyzing trace with hash 53534399, now seen corresponding path program 1 times [2020-06-22 07:43:14,452 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 07:43:14,452 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 07:43:14,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 07:43:14,454 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 07:43:14,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 07:43:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 07:43:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 07:43:14,487 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 07:43:14,488 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 07:43:14,488 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 07:43:14,488 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 07:43:14,488 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 07:43:14,488 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 07:43:14,488 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 07:43:14,488 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 07:43:14,488 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 07:43:14,489 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 07:43:14,489 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 07:43:14,490 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 07:43:14,494 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 07:43:14,502 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 07:43:14,505 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 07:43:14,561 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 07:43:14,561 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 07:43:14,566 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 07:43:14,566 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 07:43:14,594 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 07:43:14,594 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 07:43:14,601 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 07:43:14,602 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 07:43:14,635 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 07:43:14,636 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 07:43:14,665 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 07:43:14,668 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 07:43:14,668 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 07:43:14,668 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 07:43:14,669 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 07:43:14,669 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 07:43:14,669 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 07:43:14,669 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 07:43:14,669 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 07:43:14,669 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 07:43:14,669 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 07:43:14,669 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 07:43:14,671 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 07:43:14,679 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 07:43:14,686 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 07:43:14,689 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 07:43:14,760 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 07:43:14,760 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 07:43:14,761 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 07:43:14,762 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 07:43:14,762 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 07:43:14,762 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 07:43:14,762 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 07:43:14,765 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 07:43:14,765 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 07:43:14,769 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 07:43:14,770 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 07:43:14,772 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 07:43:14,772 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 07:43:14,772 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 07:43:14,772 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 07:43:14,772 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 07:43:14,773 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 07:43:14,773 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 07:43:14,777 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 07:43:14,780 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 07:43:14,780 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 07:43:14,780 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 07:43:14,781 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 07:43:14,781 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 07:43:14,781 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~q~0) = 1*ULTIMATE.start_main_~q~0 Supporting invariants [] [2020-06-22 07:43:14,782 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 07:43:14,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 07:43:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 07:43:14,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 07:43:14,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 07:43:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 07:43:14,813 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 07:43:14,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 07:43:14,824 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 07:43:14,838 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-22 07:43:14,838 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-06-22 07:43:14,838 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. [2020-06-22 07:43:14,853 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 9 states and 13 transitions. Complement of second has 4 states. [2020-06-22 07:43:14,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-06-22 07:43:14,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 07:43:14,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2020-06-22 07:43:14,854 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 2 letters. [2020-06-22 07:43:14,855 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 07:43:14,855 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 2 letters. [2020-06-22 07:43:14,855 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 07:43:14,855 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 4 letters. [2020-06-22 07:43:14,856 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 07:43:14,857 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 13 transitions. [2020-06-22 07:43:14,858 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-06-22 07:43:14,858 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 13 transitions. [2020-06-22 07:43:14,858 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-06-22 07:43:14,859 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2020-06-22 07:43:14,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 13 transitions. [2020-06-22 07:43:14,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 07:43:14,859 INFO L706 BuchiCegarLoop]: Abstraction has 9 states and 13 transitions. [2020-06-22 07:43:14,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 13 transitions. [2020-06-22 07:43:14,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 5. [2020-06-22 07:43:14,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-06-22 07:43:14,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2020-06-22 07:43:14,860 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2020-06-22 07:43:14,860 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2020-06-22 07:43:14,861 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2020-06-22 07:43:14,861 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 7 transitions. [2020-06-22 07:43:14,861 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-06-22 07:43:14,861 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 07:43:14,861 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 07:43:14,861 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 07:43:14,862 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 07:43:14,862 INFO L794 eck$LassoCheckResult]: Stem: 99#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~q~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_1, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~q~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0] 95#L18-2 [2020-06-22 07:43:14,862 INFO L796 eck$LassoCheckResult]: Loop: 95#L18-2 [29] L18-2-->L18: Formula: (< 0 v_ULTIMATE.start_main_~q~0_7) InVars {ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_7} OutVars{ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_7} AuxVars[] AssignedVars[] 97#L18 [30] L18-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~q~0_8 |v_ULTIMATE.start_main_#t~nondet2_3|) (< 0 v_ULTIMATE.start_main_~y~0_7) (= v_ULTIMATE.start_main_~y~0_6 0)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_8, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_~q~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~y~0] 95#L18-2 [2020-06-22 07:43:14,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 07:43:14,862 INFO L82 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 2 times [2020-06-22 07:43:14,862 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 07:43:14,863 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 07:43:14,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 07:43:14,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 07:43:14,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 07:43:14,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 07:43:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 07:43:14,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 07:43:14,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1890, now seen corresponding path program 1 times [2020-06-22 07:43:14,869 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 07:43:14,869 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 07:43:14,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 07:43:14,870 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 07:43:14,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 07:43:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 07:43:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 07:43:14,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 07:43:14,874 INFO L82 PathProgramCache]: Analyzing trace with hash 55706, now seen corresponding path program 2 times [2020-06-22 07:43:14,874 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 07:43:14,874 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 07:43:14,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 07:43:14,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 07:43:14,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 07:43:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 07:43:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 07:43:14,902 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 07:43:14,903 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 07:43:14,903 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 07:43:14,903 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 07:43:14,903 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 07:43:14,903 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 07:43:14,903 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 07:43:14,903 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 07:43:14,903 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-06-22 07:43:14,904 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 07:43:14,904 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 07:43:14,905 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 07:43:14,910 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 07:43:14,916 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 07:43:14,922 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 07:43:14,977 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 07:43:14,978 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 07:43:14,983 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 07:43:14,983 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 07:43:15,012 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 07:43:15,013 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 07:43:15,019 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 07:43:15,020 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 07:43:15,027 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 07:43:15,028 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=5, ULTIMATE.start_main_~q~0=5} Honda state: {ULTIMATE.start_main_#t~nondet2=5, ULTIMATE.start_main_~q~0=5} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 07:43:15,060 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 07:43:15,060 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 07:43:15,095 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 07:43:15,095 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 07:43:15,139 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 07:43:15,142 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 07:43:15,142 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 07:43:15,142 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 07:43:15,142 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 07:43:15,142 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 07:43:15,142 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 07:43:15,143 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 07:43:15,143 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 07:43:15,143 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-06-22 07:43:15,143 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 07:43:15,143 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 07:43:15,145 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 07:43:15,149 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 07:43:15,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 07:43:15,161 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 07:43:15,207 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 07:43:15,208 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 07:43:15,209 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 07:43:15,209 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 07:43:15,209 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 07:43:15,210 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 07:43:15,210 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 07:43:15,211 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 07:43:15,212 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 07:43:15,216 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 07:43:15,217 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 07:43:15,217 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 07:43:15,217 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 07:43:15,217 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 07:43:15,218 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 07:43:15,218 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 07:43:15,218 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 07:43:15,218 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 07:43:15,223 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 07:43:15,223 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 07:43:15,224 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 07:43:15,224 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 07:43:15,224 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 07:43:15,224 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 07:43:15,224 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 07:43:15,225 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 07:43:15,225 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 07:43:15,228 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 07:43:15,230 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 07:43:15,230 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 07:43:15,230 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 07:43:15,231 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 07:43:15,231 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 07:43:15,231 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2020-06-22 07:43:15,231 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 07:43:15,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 07:43:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 07:43:15,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 07:43:15,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 07:43:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 07:43:15,253 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 07:43:15,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 07:43:15,254 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 07:43:15,254 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization [2020-06-22 07:43:15,254 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-06-22 07:43:15,255 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 7 transitions. cyclomatic complexity: 3 Second operand 3 states. [2020-06-22 07:43:15,264 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 7 transitions. cyclomatic complexity: 3. Second operand 3 states. Result 11 states and 17 transitions. Complement of second has 4 states. [2020-06-22 07:43:15,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-06-22 07:43:15,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 07:43:15,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2020-06-22 07:43:15,265 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 2 letters. [2020-06-22 07:43:15,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 07:43:15,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 2 letters. [2020-06-22 07:43:15,266 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 07:43:15,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 4 letters. [2020-06-22 07:43:15,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 07:43:15,268 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 17 transitions. [2020-06-22 07:43:15,269 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 07:43:15,269 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. [2020-06-22 07:43:15,269 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-06-22 07:43:15,269 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-06-22 07:43:15,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-06-22 07:43:15,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 07:43:15,269 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 07:43:15,269 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 07:43:15,270 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 07:43:15,270 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2020-06-22 07:43:15,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-06-22 07:43:15,270 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 07:43:15,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-06-22 07:43:15,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 07:43:15 BasicIcfg [2020-06-22 07:43:15,278 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 07:43:15,278 INFO L168 Benchmark]: Toolchain (without parser) took 2655.14 ms. Allocated memory was 649.6 MB in the beginning and 675.8 MB in the end (delta: 26.2 MB). Free memory was 565.4 MB in the beginning and 400.1 MB in the end (delta: 165.2 MB). Peak memory consumption was 191.4 MB. Max. memory is 50.3 GB. [2020-06-22 07:43:15,280 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 592.3 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 07:43:15,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.81 ms. Allocated memory was 649.6 MB in the beginning and 675.8 MB in the end (delta: 26.2 MB). Free memory was 565.4 MB in the beginning and 643.4 MB in the end (delta: -78.1 MB). Peak memory consumption was 30.0 MB. Max. memory is 50.3 GB. [2020-06-22 07:43:15,281 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.74 ms. Allocated memory is still 675.8 MB. Free memory was 643.4 MB in the beginning and 642.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 50.3 GB. [2020-06-22 07:43:15,282 INFO L168 Benchmark]: Boogie Preprocessor took 19.67 ms. Allocated memory is still 675.8 MB. Free memory was 642.0 MB in the beginning and 638.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. [2020-06-22 07:43:15,282 INFO L168 Benchmark]: RCFGBuilder took 217.63 ms. Allocated memory is still 675.8 MB. Free memory was 638.9 MB in the beginning and 626.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. [2020-06-22 07:43:15,283 INFO L168 Benchmark]: BlockEncodingV2 took 75.47 ms. Allocated memory is still 675.8 MB. Free memory was 626.0 MB in the beginning and 620.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-06-22 07:43:15,283 INFO L168 Benchmark]: TraceAbstraction took 151.58 ms. Allocated memory is still 675.8 MB. Free memory was 620.6 MB in the beginning and 611.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. [2020-06-22 07:43:15,284 INFO L168 Benchmark]: BuchiAutomizer took 1837.98 ms. Allocated memory is still 675.8 MB. Free memory was 611.2 MB in the beginning and 400.1 MB in the end (delta: 211.0 MB). Peak memory consumption was 211.0 MB. Max. memory is 50.3 GB. [2020-06-22 07:43:15,289 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 7 locations, 9 edges - StatisticsResult: Encoded RCFG 3 locations, 4 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 592.3 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 309.81 ms. Allocated memory was 649.6 MB in the beginning and 675.8 MB in the end (delta: 26.2 MB). Free memory was 565.4 MB in the beginning and 643.4 MB in the end (delta: -78.1 MB). Peak memory consumption was 30.0 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 37.74 ms. Allocated memory is still 675.8 MB. Free memory was 643.4 MB in the beginning and 642.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 19.67 ms. Allocated memory is still 675.8 MB. Free memory was 642.0 MB in the beginning and 638.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 217.63 ms. Allocated memory is still 675.8 MB. Free memory was 638.9 MB in the beginning and 626.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 75.47 ms. Allocated memory is still 675.8 MB. Free memory was 626.0 MB in the beginning and 620.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 151.58 ms. Allocated memory is still 675.8 MB. Free memory was 620.6 MB in the beginning and 611.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1837.98 ms. Allocated memory is still 675.8 MB. Free memory was 611.2 MB in the beginning and 400.1 MB in the end (delta: 211.0 MB). Peak memory consumption was 211.0 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: 17]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 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 Your program was decomposed into 3 terminating modules (0 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function q and consists of 3 locations. One nondeterministic module has affine ranking function q and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 12 SDtfs, 15 SDslu, 1 SDs, 0 SdLazy, 22 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax173 hnf100 lsp32 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq156 hnf93 smp100 dnf100 smp100 tf114 neg100 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-06-22 07:43:09.300 ----------------------------------------------- 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 07:43:15.528 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check