YES Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 06:03:38,029 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 06:03:38,031 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 06:03:38,042 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 06:03:38,042 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 06:03:38,043 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 06:03:38,044 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 06:03:38,046 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 06:03:38,047 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 06:03:38,048 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 06:03:38,049 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 06:03:38,049 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 06:03:38,050 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 06:03:38,051 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 06:03:38,052 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 06:03:38,052 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 06:03:38,053 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 06:03:38,055 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 06:03:38,057 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 06:03:38,058 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 06:03:38,059 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 06:03:38,060 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 06:03:38,062 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 06:03:38,062 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 06:03:38,063 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 06:03:38,064 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 06:03:38,064 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 06:03:38,065 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 06:03:38,065 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 06:03:38,066 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 06:03:38,066 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 06:03:38,067 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 06:03:38,068 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 06:03:38,068 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 06:03:38,069 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 06:03:38,069 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 06:03:38,069 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 06:03:38,070 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 06:03:38,071 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 06:03:38,071 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-06-22 06:03:38,085 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 06:03:38,085 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 06:03:38,086 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 06:03:38,086 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 06:03:38,087 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 06:03:38,087 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 06:03:38,087 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 06:03:38,087 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 06:03:38,087 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 06:03:38,087 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 06:03:38,088 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 06:03:38,088 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 06:03:38,088 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 06:03:38,088 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 06:03:38,088 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:03:38,088 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 06:03:38,089 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 06:03:38,089 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 06:03:38,089 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 06:03:38,089 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 06:03:38,089 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 06:03:38,089 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 06:03:38,090 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 06:03:38,090 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 06:03:38,090 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 06:03:38,090 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 06:03:38,090 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 06:03:38,090 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 06:03:38,090 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 06:03:38,114 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 06:03:38,127 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 06:03:38,130 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 06:03:38,132 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 06:03:38,132 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 06:03:38,133 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 06:03:38,199 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/b8039f446f26421ab22e04f29c89b3d1/FLAGf56f16e53 [2020-06-22 06:03:38,537 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 06:03:38,538 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 06:03:38,544 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/b8039f446f26421ab22e04f29c89b3d1/FLAGf56f16e53 [2020-06-22 06:03:38,939 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/b8039f446f26421ab22e04f29c89b3d1 [2020-06-22 06:03:38,950 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 06:03:38,952 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 06:03:38,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 06:03:38,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 06:03:38,956 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 06:03:38,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 06:03:38" (1/1) ... [2020-06-22 06:03:38,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69755841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:03:38, skipping insertion in model container [2020-06-22 06:03:38,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 06:03:38" (1/1) ... [2020-06-22 06:03:38,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 06:03:38,985 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 06:03:39,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 06:03:39,143 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 06:03:39,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 06:03:39,247 INFO L195 MainTranslator]: Completed translation [2020-06-22 06:03:39,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:03:39 WrapperNode [2020-06-22 06:03:39,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 06:03:39,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 06:03:39,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 06:03:39,249 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 06:03:39,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:03:39" (1/1) ... [2020-06-22 06:03:39,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:03:39" (1/1) ... [2020-06-22 06:03:39,285 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 06:03:39,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 06:03:39,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 06:03:39,286 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 06:03:39,296 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:03:39" (1/1) ... [2020-06-22 06:03:39,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:03:39" (1/1) ... [2020-06-22 06:03:39,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:03:39" (1/1) ... [2020-06-22 06:03:39,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:03:39" (1/1) ... [2020-06-22 06:03:39,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:03:39" (1/1) ... [2020-06-22 06:03:39,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:03:39" (1/1) ... [2020-06-22 06:03:39,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:03:39" (1/1) ... [2020-06-22 06:03:39,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 06:03:39,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 06:03:39,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 06:03:39,306 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 06:03:39,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:03:39" (1/1) ... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 06:03:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 06:03:39,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 06:03:39,514 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 06:03:39,514 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2020-06-22 06:03:39,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:03:39 BoogieIcfgContainer [2020-06-22 06:03:39,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 06:03:39,516 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 06:03:39,517 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 06:03:39,519 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 06:03:39,520 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:03:39" (1/1) ... [2020-06-22 06:03:39,535 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges [2020-06-22 06:03:39,537 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 06:03:39,538 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 06:03:39,538 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 06:03:39,539 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 06:03:39,541 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 06:03:39,542 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 06:03:39,542 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 06:03:39,558 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 06:03:39,573 INFO L200 BlockEncoder]: SBE split 2 edges [2020-06-22 06:03:39,578 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-22 06:03:39,579 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 06:03:39,590 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-06-22 06:03:39,592 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states [2020-06-22 06:03:39,593 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 06:03:39,593 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 06:03:39,593 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 06:03:39,594 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 06:03:39,594 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges [2020-06-22 06:03:39,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 06:03:39 BasicIcfg [2020-06-22 06:03:39,595 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 06:03:39,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 06:03:39,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 06:03:39,599 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 06:03:39,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 06:03:38" (1/4) ... [2020-06-22 06:03:39,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39d76308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 06:03:39, skipping insertion in model container [2020-06-22 06:03:39,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:03:39" (2/4) ... [2020-06-22 06:03:39,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39d76308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 06:03:39, skipping insertion in model container [2020-06-22 06:03:39,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:03:39" (3/4) ... [2020-06-22 06:03:39,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39d76308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:03:39, skipping insertion in model container [2020-06-22 06:03:39,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 06:03:39" (4/4) ... [2020-06-22 06:03:39,602 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 06:03:39,612 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 06:03:39,619 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 06:03:39,636 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 06:03:39,664 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 06:03:39,664 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 06:03:39,665 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 06:03:39,665 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 06:03:39,665 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 06:03:39,665 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 06:03:39,665 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 06:03:39,665 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 06:03:39,665 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 06:03:39,679 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-06-22 06:03:39,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 06:03:39,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-06-22 06:03:39,736 INFO L451 ceAbstractionStarter]: At program point L18-2(lines 17 24) the Hoare annotation is: true [2020-06-22 06:03:39,736 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 06:03:39,737 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 23) no Hoare annotation was computed. [2020-06-22 06:03:39,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:03:39 BasicIcfg [2020-06-22 06:03:39,744 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 06:03:39,745 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 06:03:39,745 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 06:03:39,748 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 06:03:39,749 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 06:03:39,749 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 06:03:38" (1/5) ... [2020-06-22 06:03:39,750 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@658a0066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 06:03:39, skipping insertion in model container [2020-06-22 06:03:39,750 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 06:03:39,750 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:03:39" (2/5) ... [2020-06-22 06:03:39,750 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@658a0066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 06:03:39, skipping insertion in model container [2020-06-22 06:03:39,751 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 06:03:39,751 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:03:39" (3/5) ... [2020-06-22 06:03:39,751 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@658a0066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 06:03:39, skipping insertion in model container [2020-06-22 06:03:39,751 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 06:03:39,751 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 06:03:39" (4/5) ... [2020-06-22 06:03:39,752 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@658a0066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 06:03:39, skipping insertion in model container [2020-06-22 06:03:39,752 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 06:03:39,752 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:03:39" (5/5) ... [2020-06-22 06:03:39,754 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 06:03:39,779 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 06:03:39,780 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 06:03:39,780 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 06:03:39,780 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 06:03:39,780 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 06:03:39,780 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 06:03:39,780 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 06:03:39,780 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 06:03:39,781 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 06:03:39,784 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 06:03:39,800 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 06:03:39,801 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 06:03:39,801 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 06:03:39,808 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 06:03:39,808 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 06:03:39,808 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 06:03:39,809 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 06:03:39,809 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 06:03:39,809 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 06:03:39,809 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 06:03:39,810 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 06:03:39,810 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 06:03:39,815 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [25] ULTIMATE.startENTRY-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L18-2true [2020-06-22 06:03:39,815 INFO L796 eck$LassoCheckResult]: Loop: 4#L18-2true [28] L18-2-->L18: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (< 0 v_ULTIMATE.start_main_~y~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 5#L18true [37] L18-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_8 |v_ULTIMATE.start_main_#t~nondet3_3|) (> 0 |v_ULTIMATE.start_main_#t~nondet2_3|) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 (- 1)))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L18-2true [2020-06-22 06:03:39,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:03:39,821 INFO L82 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 1 times [2020-06-22 06:03:39,823 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:03:39,824 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:03:39,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:03:39,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:03:39,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:03:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:03:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:03:39,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:03:39,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1866, now seen corresponding path program 1 times [2020-06-22 06:03:39,892 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:03:39,892 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:03:39,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:03:39,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:03:39,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:03:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:03:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:03:39,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:03:39,907 INFO L82 PathProgramCache]: Analyzing trace with hash 54721, now seen corresponding path program 1 times [2020-06-22 06:03:39,907 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:03:39,907 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:03:39,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:03:39,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:03:39,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:03:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:03:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:03:39,983 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 06:03:39,985 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 06:03:39,985 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 06:03:39,985 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 06:03:39,985 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 06:03:39,985 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:03:39,985 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 06:03:39,985 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 06:03:39,986 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 06:03:39,986 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 06:03:39,986 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 06:03:40,007 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 06:03:40,017 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 06:03:40,022 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 06:03:40,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:03:40,037 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 06:03:40,162 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 06:03:40,163 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:03:40,171 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:03:40,172 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:03:40,204 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:03:40,205 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:03:40,212 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:03:40,212 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:03:40,240 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:03:40,240 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:03:40,246 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:03:40,246 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:03:40,274 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:03:40,275 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=-1} Honda state: {ULTIMATE.start_main_#t~nondet2=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:03:40,281 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:03:40,281 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:03:40,320 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 06:03:40,320 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:03:40,352 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 06:03:40,355 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 06:03:40,355 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 06:03:40,355 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 06:03:40,355 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 06:03:40,355 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 06:03:40,355 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 06:03:40,355 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 06:03:40,356 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 06:03:40,356 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 06:03:40,356 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 06:03:40,356 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 06:03:40,358 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 06:03:40,362 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 06:03:40,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:03:40,369 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 06:03:40,377 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 06:03:40,489 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 06:03:40,495 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 06:03:40,497 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 06:03:40,498 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:03:40,499 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:03:40,499 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:03:40,499 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:03:40,503 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 06:03:40,504 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 06:03:40,513 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 06:03:40,513 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 06:03:40,514 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:03:40,514 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:03:40,514 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:03:40,514 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:03:40,517 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 06:03:40,517 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 06:03:40,526 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 06:03:40,526 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 06:03:40,527 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:03:40,527 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:03:40,528 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:03:40,528 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:03:40,528 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:03:40,529 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:03:40,529 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:03:40,532 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 06:03:40,533 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 06:03:40,533 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:03:40,534 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:03:40,534 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:03:40,534 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:03:40,534 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:03:40,535 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:03:40,535 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:03:40,540 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 06:03:40,545 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 06:03:40,545 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 06:03:40,547 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 06:03:40,547 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 06:03:40,548 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 06:03:40,548 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2020-06-22 06:03:40,549 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 06:03:40,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:03:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:03:40,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 06:03:40,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 06:03:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:03:40,598 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 06:03:40,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 06:03:40,614 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 06:03:40,643 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-22 06:03:40,648 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 06:03:40,649 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. [2020-06-22 06:03:40,686 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 8 states and 12 transitions. Complement of second has 4 states. [2020-06-22 06:03:40,687 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 06:03:40,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 06:03:40,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2020-06-22 06:03:40,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 1 letters. Loop has 2 letters. [2020-06-22 06:03:40,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:03:40,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 3 letters. Loop has 2 letters. [2020-06-22 06:03:40,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:03:40,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 1 letters. Loop has 4 letters. [2020-06-22 06:03:40,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:03:40,699 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 12 transitions. [2020-06-22 06:03:40,700 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 06:03:40,704 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 8 states and 12 transitions. [2020-06-22 06:03:40,705 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-06-22 06:03:40,705 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2020-06-22 06:03:40,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 12 transitions. [2020-06-22 06:03:40,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 06:03:40,706 INFO L706 BuchiCegarLoop]: Abstraction has 8 states and 12 transitions. [2020-06-22 06:03:40,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 12 transitions. [2020-06-22 06:03:40,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2020-06-22 06:03:40,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-06-22 06:03:40,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 11 transitions. [2020-06-22 06:03:40,735 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 11 transitions. [2020-06-22 06:03:40,735 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 11 transitions. [2020-06-22 06:03:40,735 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 06:03:40,735 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 11 transitions. [2020-06-22 06:03:40,736 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 06:03:40,736 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 06:03:40,736 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 06:03:40,736 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 06:03:40,736 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 06:03:40,737 INFO L794 eck$LassoCheckResult]: Stem: 48#ULTIMATE.startENTRY [25] ULTIMATE.startENTRY-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 49#L18-2 [28] L18-2-->L18: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (< 0 v_ULTIMATE.start_main_~y~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 45#L18 [2020-06-22 06:03:40,737 INFO L796 eck$LassoCheckResult]: Loop: 45#L18 [30] L18-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_9 (+ v_ULTIMATE.start_main_~y~0_10 (- 1))) (= 0 |v_ULTIMATE.start_main_#t~nondet2_5|)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~y~0] 44#L18-2 [28] L18-2-->L18: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (< 0 v_ULTIMATE.start_main_~y~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 45#L18 [2020-06-22 06:03:40,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:03:40,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1764, now seen corresponding path program 1 times [2020-06-22 06:03:40,738 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:03:40,738 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:03:40,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:03:40,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:03:40,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:03:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:03:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:03:40,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:03:40,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1919, now seen corresponding path program 1 times [2020-06-22 06:03:40,746 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:03:40,746 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:03:40,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:03:40,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:03:40,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:03:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:03:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:03:40,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:03:40,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1696162, now seen corresponding path program 1 times [2020-06-22 06:03:40,754 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:03:40,754 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:03:40,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:03:40,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:03:40,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:03:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:03:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:03:40,798 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 06:03:40,799 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 06:03:40,799 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 06:03:40,799 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 06:03:40,799 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 06:03:40,799 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:03:40,799 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 06:03:40,799 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 06:03:40,799 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 06:03:40,799 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 06:03:40,800 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 06:03:40,801 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 06:03:40,804 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 06:03:40,808 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 06:03:40,812 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 06:03:40,818 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 06:03:40,865 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 06:03:40,865 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:03:40,869 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:03:40,869 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:03:40,897 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:03:40,897 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 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 06:03:40,911 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:03:40,912 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:03:40,940 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:03:40,941 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 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 06:03:40,949 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:03:40,949 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:03:40,978 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:03:40,978 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=1} Honda state: {ULTIMATE.start_main_~x~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:03:40,986 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:03:40,986 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:03:41,022 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 06:03:41,023 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:03:41,097 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 06:03:41,100 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 06:03:41,100 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 06:03:41,100 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 06:03:41,100 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 06:03:41,100 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 06:03:41,101 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 06:03:41,101 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 06:03:41,101 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 06:03:41,101 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 06:03:41,101 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 06:03:41,101 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 06:03:41,103 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 06:03:41,106 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 06:03:41,110 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 06:03:41,113 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 06:03:41,119 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 06:03:41,217 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 06:03:41,218 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 06:03:41,219 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 06:03:41,220 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:03:41,220 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:03:41,220 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:03:41,220 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:03:41,222 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 06:03:41,222 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 06:03:41,227 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 06:03:41,227 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 06:03:41,228 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:03:41,228 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:03:41,228 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:03:41,228 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:03:41,230 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 06:03:41,231 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 06:03:41,237 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 06:03:41,238 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 06:03:41,239 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:03:41,239 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:03:41,239 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:03:41,239 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:03:41,239 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:03:41,240 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:03:41,240 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:03:41,241 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 06:03:41,242 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 06:03:41,242 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:03:41,242 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:03:41,243 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:03:41,243 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:03:41,243 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:03:41,243 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:03:41,244 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:03:41,248 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 06:03:41,253 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 06:03:41,253 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 06:03:41,253 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 06:03:41,253 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 06:03:41,254 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 06:03:41,254 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 06:03:41,254 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 06:03:41,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:03:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:03:41,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 06:03:41,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 06:03:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:03:41,287 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 06:03:41,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 06:03:41,305 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 06:03:41,306 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-22 06:03:41,306 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 06:03:41,306 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 11 transitions. cyclomatic complexity: 6 Second operand 3 states. [2020-06-22 06:03:41,333 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 11 transitions. cyclomatic complexity: 6. Second operand 3 states. Result 10 states and 15 transitions. Complement of second has 4 states. [2020-06-22 06:03:41,334 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 06:03:41,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 06:03:41,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2020-06-22 06:03:41,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. [2020-06-22 06:03:41,336 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:03:41,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. [2020-06-22 06:03:41,336 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:03:41,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 4 letters. [2020-06-22 06:03:41,337 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:03:41,338 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 15 transitions. [2020-06-22 06:03:41,339 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 06:03:41,340 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 0 states and 0 transitions. [2020-06-22 06:03:41,340 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-06-22 06:03:41,340 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-06-22 06:03:41,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-06-22 06:03:41,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 06:03:41,340 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 06:03:41,340 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 06:03:41,340 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 06:03:41,340 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2020-06-22 06:03:41,341 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-06-22 06:03:41,341 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 06:03:41,341 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-06-22 06:03:41,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 06:03:41 BasicIcfg [2020-06-22 06:03:41,347 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 06:03:41,348 INFO L168 Benchmark]: Toolchain (without parser) took 2396.84 ms. Allocated memory was 649.6 MB in the beginning and 680.0 MB in the end (delta: 30.4 MB). Free memory was 559.9 MB in the beginning and 450.9 MB in the end (delta: 109.0 MB). Peak memory consumption was 139.4 MB. Max. memory is 50.3 GB. [2020-06-22 06:03:41,349 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.4 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 06:03:41,350 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.29 ms. Allocated memory was 649.6 MB in the beginning and 680.0 MB in the end (delta: 30.4 MB). Free memory was 559.9 MB in the beginning and 646.4 MB in the end (delta: -86.5 MB). Peak memory consumption was 30.6 MB. Max. memory is 50.3 GB. [2020-06-22 06:03:41,350 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.23 ms. Allocated memory is still 680.0 MB. Free memory was 646.4 MB in the beginning and 645.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-06-22 06:03:41,351 INFO L168 Benchmark]: Boogie Preprocessor took 19.50 ms. Allocated memory is still 680.0 MB. Free memory was 645.0 MB in the beginning and 643.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-06-22 06:03:41,352 INFO L168 Benchmark]: RCFGBuilder took 210.17 ms. Allocated memory is still 680.0 MB. Free memory was 643.7 MB in the beginning and 629.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 50.3 GB. [2020-06-22 06:03:41,352 INFO L168 Benchmark]: BlockEncodingV2 took 78.28 ms. Allocated memory is still 680.0 MB. Free memory was 629.0 MB in the beginning and 622.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. [2020-06-22 06:03:41,353 INFO L168 Benchmark]: TraceAbstraction took 149.02 ms. Allocated memory is still 680.0 MB. Free memory was 622.5 MB in the beginning and 614.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. [2020-06-22 06:03:41,353 INFO L168 Benchmark]: BuchiAutomizer took 1602.25 ms. Allocated memory is still 680.0 MB. Free memory was 613.1 MB in the beginning and 450.9 MB in the end (delta: 162.2 MB). Peak memory consumption was 162.2 MB. Max. memory is 50.3 GB. [2020-06-22 06:03:41,357 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, 5 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.4 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 295.29 ms. Allocated memory was 649.6 MB in the beginning and 680.0 MB in the end (delta: 30.4 MB). Free memory was 559.9 MB in the beginning and 646.4 MB in the end (delta: -86.5 MB). Peak memory consumption was 30.6 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 37.23 ms. Allocated memory is still 680.0 MB. Free memory was 646.4 MB in the beginning and 645.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 19.50 ms. Allocated memory is still 680.0 MB. Free memory was 645.0 MB in the beginning and 643.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * RCFGBuilder took 210.17 ms. Allocated memory is still 680.0 MB. Free memory was 643.7 MB in the beginning and 629.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 78.28 ms. Allocated memory is still 680.0 MB. Free memory was 629.0 MB in the beginning and 622.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. * TraceAbstraction took 149.02 ms. Allocated memory is still 680.0 MB. Free memory was 622.5 MB in the beginning and 614.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1602.25 ms. Allocated memory is still 680.0 MB. Free memory was 613.1 MB in the beginning and 450.9 MB in the end (delta: 162.2 MB). Peak memory consumption was 162.2 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 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function x and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 7 SDtfs, 13 SDslu, 1 SDs, 0 SdLazy, 24 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax169 hnf100 lsp33 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 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 06:03:35.792 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 06:03:41.592 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check