YES Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-21 23:57:25,262 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-21 23:57:25,264 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-21 23:57:25,275 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-21 23:57:25,275 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-21 23:57:25,276 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-21 23:57:25,278 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-21 23:57:25,279 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-21 23:57:25,281 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-21 23:57:25,282 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-21 23:57:25,282 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-21 23:57:25,283 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-21 23:57:25,284 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-21 23:57:25,284 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-21 23:57:25,285 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-21 23:57:25,286 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-21 23:57:25,287 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-21 23:57:25,289 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-21 23:57:25,291 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-21 23:57:25,292 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-21 23:57:25,293 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-21 23:57:25,294 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-21 23:57:25,296 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-21 23:57:25,296 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-21 23:57:25,297 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-21 23:57:25,297 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-21 23:57:25,298 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-21 23:57:25,299 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-21 23:57:25,299 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-21 23:57:25,299 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-21 23:57:25,300 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-21 23:57:25,301 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-21 23:57:25,302 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-21 23:57:25,302 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-21 23:57:25,303 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-21 23:57:25,303 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-21 23:57:25,303 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-21 23:57:25,304 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-21 23:57:25,305 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-21 23:57:25,305 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-21 23:57:25,319 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-21 23:57:25,319 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-21 23:57:25,320 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-21 23:57:25,321 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-21 23:57:25,321 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-21 23:57:25,321 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-21 23:57:25,321 INFO L133 SettingsManager]: * Use SBE=true [2020-06-21 23:57:25,321 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-21 23:57:25,321 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-21 23:57:25,322 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-21 23:57:25,322 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-21 23:57:25,322 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-21 23:57:25,322 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-21 23:57:25,322 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-21 23:57:25,322 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:57:25,323 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-21 23:57:25,323 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-21 23:57:25,323 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-21 23:57:25,323 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-21 23:57:25,323 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-21 23:57:25,323 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-21 23:57:25,324 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-21 23:57:25,324 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-21 23:57:25,324 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-21 23:57:25,324 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-21 23:57:25,324 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-21 23:57:25,324 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-21 23:57:25,325 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-21 23:57:25,325 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-21 23:57:25,350 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-21 23:57:25,363 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-21 23:57:25,366 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-21 23:57:25,368 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-21 23:57:25,368 INFO L276 PluginConnector]: CDTParser initialized [2020-06-21 23:57:25,369 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-21 23:57:25,435 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/804b65589bd74862891ddb1f3585978e/FLAGe9ba84c15 [2020-06-21 23:57:25,774 INFO L307 CDTParser]: Found 1 translation units. [2020-06-21 23:57:25,774 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-21 23:57:25,781 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/804b65589bd74862891ddb1f3585978e/FLAGe9ba84c15 [2020-06-21 23:57:26,223 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/804b65589bd74862891ddb1f3585978e [2020-06-21 23:57:26,235 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-21 23:57:26,236 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-21 23:57:26,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-21 23:57:26,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-21 23:57:26,241 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-21 23:57:26,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 11:57:26" (1/1) ... [2020-06-21 23:57:26,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50aa2919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:57:26, skipping insertion in model container [2020-06-21 23:57:26,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 11:57:26" (1/1) ... [2020-06-21 23:57:26,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-21 23:57:26,270 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-21 23:57:26,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-21 23:57:26,426 INFO L191 MainTranslator]: Completed pre-run [2020-06-21 23:57:26,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-21 23:57:26,509 INFO L195 MainTranslator]: Completed translation [2020-06-21 23:57:26,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:57:26 WrapperNode [2020-06-21 23:57:26,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-21 23:57:26,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-21 23:57:26,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-21 23:57:26,510 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-21 23:57:26,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:57:26" (1/1) ... [2020-06-21 23:57:26,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:57:26" (1/1) ... [2020-06-21 23:57:26,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-21 23:57:26,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-21 23:57:26,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-21 23:57:26,545 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-21 23:57:26,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:57:26" (1/1) ... [2020-06-21 23:57:26,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:57:26" (1/1) ... [2020-06-21 23:57:26,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:57:26" (1/1) ... [2020-06-21 23:57:26,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:57:26" (1/1) ... [2020-06-21 23:57:26,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:57:26" (1/1) ... [2020-06-21 23:57:26,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:57:26" (1/1) ... [2020-06-21 23:57:26,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:57:26" (1/1) ... [2020-06-21 23:57:26,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-21 23:57:26,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-21 23:57:26,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-21 23:57:26,564 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-21 23:57:26,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:57:26" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-21 23:57:26,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-21 23:57:26,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-21 23:57:26,751 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-21 23:57:26,752 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2020-06-21 23:57:26,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 11:57:26 BoogieIcfgContainer [2020-06-21 23:57:26,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-21 23:57:26,754 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-21 23:57:26,754 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-21 23:57:26,757 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-21 23:57:26,758 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 11:57:26" (1/1) ... [2020-06-21 23:57:26,772 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges [2020-06-21 23:57:26,774 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-21 23:57:26,775 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-21 23:57:26,775 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-21 23:57:26,776 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-21 23:57:26,777 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-21 23:57:26,778 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-21 23:57:26,778 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-21 23:57:26,793 INFO L185 BlockEncoder]: Using Use SBE [2020-06-21 23:57:26,800 INFO L200 BlockEncoder]: SBE split 0 edges [2020-06-21 23:57:26,804 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-21 23:57:26,806 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-21 23:57:26,815 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-06-21 23:57:26,817 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states [2020-06-21 23:57:26,818 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-21 23:57:26,818 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-21 23:57:26,823 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-06-21 23:57:26,823 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-21 23:57:26,824 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-21 23:57:26,824 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-21 23:57:26,824 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-21 23:57:26,824 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-21 23:57:26,825 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges [2020-06-21 23:57:26,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 21.06 11:57:26 BasicIcfg [2020-06-21 23:57:26,825 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-21 23:57:26,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-21 23:57:26,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-21 23:57:26,829 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-21 23:57:26,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.06 11:57:26" (1/4) ... [2020-06-21 23:57:26,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30f48b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.06 11:57:26, skipping insertion in model container [2020-06-21 23:57:26,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:57:26" (2/4) ... [2020-06-21 23:57:26,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30f48b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.06 11:57:26, skipping insertion in model container [2020-06-21 23:57:26,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 11:57:26" (3/4) ... [2020-06-21 23:57:26,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30f48b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 11:57:26, skipping insertion in model container [2020-06-21 23:57:26,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 21.06 11:57:26" (4/4) ... [2020-06-21 23:57:26,833 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-21 23:57:26,844 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-21 23:57:26,851 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-21 23:57:26,867 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-21 23:57:26,894 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-21 23:57:26,895 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-21 23:57:26,895 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-21 23:57:26,896 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-21 23:57:26,896 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-21 23:57:26,896 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-21 23:57:26,896 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-21 23:57:26,896 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-21 23:57:26,896 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-21 23:57:26,910 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. [2020-06-21 23:57:26,915 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-21 23:57:26,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. [2020-06-21 23:57:26,966 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-21 23:57:26,966 INFO L451 ceAbstractionStarter]: At program point L14-2(lines 14 16) the Hoare annotation is: true [2020-06-21 23:57:26,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 11:57:26 BasicIcfg [2020-06-21 23:57:26,974 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-21 23:57:26,975 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-21 23:57:26,975 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-21 23:57:26,978 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-21 23:57:26,979 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 23:57:26,979 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.06 11:57:26" (1/5) ... [2020-06-21 23:57:26,980 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20066fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.06 11:57:26, skipping insertion in model container [2020-06-21 23:57:26,980 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 23:57:26,980 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:57:26" (2/5) ... [2020-06-21 23:57:26,980 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20066fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.06 11:57:26, skipping insertion in model container [2020-06-21 23:57:26,981 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 23:57:26,981 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 11:57:26" (3/5) ... [2020-06-21 23:57:26,981 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20066fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.06 11:57:26, skipping insertion in model container [2020-06-21 23:57:26,981 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 23:57:26,981 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 21.06 11:57:26" (4/5) ... [2020-06-21 23:57:26,982 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20066fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.06 11:57:26, skipping insertion in model container [2020-06-21 23:57:26,982 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 23:57:26,982 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 11:57:26" (5/5) ... [2020-06-21 23:57:26,983 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-21 23:57:27,010 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-21 23:57:27,010 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-21 23:57:27,010 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-21 23:57:27,011 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-21 23:57:27,011 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-21 23:57:27,011 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-21 23:57:27,011 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-21 23:57:27,011 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-21 23:57:27,012 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-21 23:57:27,015 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-06-21 23:57:27,032 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-21 23:57:27,032 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-21 23:57:27,032 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-21 23:57:27,038 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-21 23:57:27,038 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-21 23:57:27,038 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-21 23:57:27,038 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-06-21 23:57:27,038 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-21 23:57:27,039 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-21 23:57:27,039 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-21 23:57:27,039 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-21 23:57:27,039 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-21 23:57:27,044 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [37] ULTIMATE.startENTRY-->L14-2: Formula: (< 0 v_ULTIMATE.start_main_~y~0_9) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 4#L14-2true [2020-06-21 23:57:27,044 INFO L796 eck$LassoCheckResult]: Loop: 4#L14-2true [27] L14-2-->L14-2: Formula: (and (<= v_ULTIMATE.start_main_~z~0_8 v_ULTIMATE.start_main_~x~0_7) (= v_ULTIMATE.start_main_~z~0_7 (+ v_ULTIMATE.start_main_~z~0_8 v_ULTIMATE.start_main_~y~0_8))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~z~0] 4#L14-2true [2020-06-21 23:57:27,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 23:57:27,051 INFO L82 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 1 times [2020-06-21 23:57:27,052 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 23:57:27,053 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 23:57:27,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:57:27,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 23:57:27,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:57:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:57:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:57:27,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 23:57:27,118 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times [2020-06-21 23:57:27,118 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 23:57:27,119 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 23:57:27,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:57:27,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 23:57:27,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:57:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:57:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:57:27,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 23:57:27,134 INFO L82 PathProgramCache]: Analyzing trace with hash 2135, now seen corresponding path program 1 times [2020-06-21 23:57:27,134 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 23:57:27,134 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 23:57:27,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:57:27,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 23:57:27,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:57:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:57:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:57:27,186 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 23:57:27,188 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 23:57:27,188 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 23:57:27,188 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 23:57:27,188 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-21 23:57:27,188 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:57:27,189 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 23:57:27,189 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 23:57:27,189 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-06-21 23:57:27,189 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 23:57:27,189 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 23:57:27,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:57:27,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:57:27,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:57:27,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:57:27,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:57:27,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:57:27,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:57:27,339 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 23:57:27,340 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:57:27,347 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:57:27,348 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:57:27,355 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:57:27,355 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:57:27,387 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:57:27,387 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:57:27,415 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:57:27,415 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:57:27,420 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:57:27,421 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:57:27,424 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:57:27,424 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:57:27,452 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:57:27,453 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:57:27,456 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:57:27,457 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:57:27,484 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:57:27,484 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:57:27,488 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:57:27,488 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:57:27,516 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:57:27,516 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:57:27,544 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:57:27,544 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:57:27,550 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:57:27,550 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:57:27,582 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-21 23:57:27,582 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:57:28,175 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-21 23:57:28,178 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 23:57:28,178 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 23:57:28,179 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 23:57:28,179 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 23:57:28,179 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-21 23:57:28,179 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-21 23:57:28,179 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 23:57:28,179 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 23:57:28,179 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-06-21 23:57:28,180 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 23:57:28,180 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 23:57:28,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:57:28,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:57:28,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:57:28,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:57:28,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:57:28,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:57:28,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:57:28,273 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 23:57:28,279 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-21 23:57:28,281 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 23:57:28,282 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 23:57:28,282 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 23:57:28,283 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 23:57:28,283 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 23:57:28,283 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 23:57:28,285 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-21 23:57:28,286 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 23:57:28,289 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 23:57:28,289 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 23:57:28,290 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 23:57:28,290 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 23:57:28,290 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 23:57:28,291 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 23:57:28,293 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-21 23:57:28,294 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-21 23:57:28,300 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 23:57:28,300 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 23:57:28,301 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 23:57:28,301 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 23:57:28,301 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 23:57:28,301 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 23:57:28,301 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 23:57:28,302 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-21 23:57:28,302 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 23:57:28,303 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 23:57:28,303 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 23:57:28,304 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 23:57:28,304 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 23:57:28,304 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 23:57:28,304 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 23:57:28,305 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 23:57:28,305 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-21 23:57:28,305 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 23:57:28,306 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 23:57:28,306 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 23:57:28,307 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 23:57:28,307 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 23:57:28,307 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 23:57:28,307 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 23:57:28,308 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 23:57:28,308 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-21 23:57:28,308 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 23:57:28,309 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 23:57:28,309 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 23:57:28,310 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 23:57:28,310 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 23:57:28,310 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 23:57:28,310 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 23:57:28,314 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-21 23:57:28,314 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-21 23:57:28,342 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-21 23:57:28,355 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-06-21 23:57:28,355 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2020-06-21 23:57:28,358 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-21 23:57:28,360 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-06-21 23:57:28,360 INFO L518 LassoAnalysis]: Proved termination. [2020-06-21 23:57:28,361 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~z~0) = 2*ULTIMATE.start_main_~x~0 - 2*ULTIMATE.start_main_~z~0 + 1 Supporting invariants [1*ULTIMATE.start_main_~y~0 - 1 >= 0] [2020-06-21 23:57:28,375 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-06-21 23:57:28,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 23:57:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-21 23:57:28,443 WARN L254 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 3 conjunts are in the unsatisfiable core [2020-06-21 23:57:28,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-21 23:57:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-21 23:57:28,456 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-21 23:57:28,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-21 23:57:28,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-21 23:57:28,482 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-21 23:57:28,488 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-06-21 23:57:28,489 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. [2020-06-21 23:57:28,523 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 2 states.. Second operand 2 states. Result 3 states and 3 transitions. Complement of second has 2 states. [2020-06-21 23:57:28,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2020-06-21 23:57:28,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-06-21 23:57:28,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. [2020-06-21 23:57:28,528 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. [2020-06-21 23:57:28,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-21 23:57:28,528 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. [2020-06-21 23:57:28,529 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-21 23:57:28,529 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. [2020-06-21 23:57:28,529 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-21 23:57:28,533 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. [2020-06-21 23:57:28,534 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-21 23:57:28,536 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. [2020-06-21 23:57:28,537 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-06-21 23:57:28,538 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-06-21 23:57:28,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-06-21 23:57:28,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-21 23:57:28,539 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-21 23:57:28,539 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-21 23:57:28,539 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-21 23:57:28,539 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-21 23:57:28,539 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-06-21 23:57:28,539 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-21 23:57:28,539 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-06-21 23:57:28,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.06 11:57:28 BasicIcfg [2020-06-21 23:57:28,545 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-21 23:57:28,545 INFO L168 Benchmark]: Toolchain (without parser) took 2310.19 ms. Allocated memory was 649.6 MB in the beginning and 684.7 MB in the end (delta: 35.1 MB). Free memory was 566.3 MB in the beginning and 515.7 MB in the end (delta: 50.6 MB). Peak memory consumption was 85.7 MB. Max. memory is 50.3 GB. [2020-06-21 23:57:28,547 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 585.8 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-21 23:57:28,548 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.31 ms. Allocated memory was 649.6 MB in the beginning and 684.7 MB in the end (delta: 35.1 MB). Free memory was 565.2 MB in the beginning and 652.6 MB in the end (delta: -87.4 MB). Peak memory consumption was 29.3 MB. Max. memory is 50.3 GB. [2020-06-21 23:57:28,549 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.60 ms. Allocated memory is still 684.7 MB. Free memory was 651.6 MB in the beginning and 648.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. [2020-06-21 23:57:28,549 INFO L168 Benchmark]: Boogie Preprocessor took 18.40 ms. Allocated memory is still 684.7 MB. Free memory was 648.7 MB in the beginning and 647.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-06-21 23:57:28,550 INFO L168 Benchmark]: RCFGBuilder took 189.73 ms. Allocated memory is still 684.7 MB. Free memory was 647.7 MB in the beginning and 634.2 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. [2020-06-21 23:57:28,550 INFO L168 Benchmark]: BlockEncodingV2 took 71.64 ms. Allocated memory is still 684.7 MB. Free memory was 634.2 MB in the beginning and 629.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. [2020-06-21 23:57:28,551 INFO L168 Benchmark]: TraceAbstraction took 147.99 ms. Allocated memory is still 684.7 MB. Free memory was 628.8 MB in the beginning and 620.2 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. [2020-06-21 23:57:28,552 INFO L168 Benchmark]: BuchiAutomizer took 1570.36 ms. Allocated memory is still 684.7 MB. Free memory was 620.2 MB in the beginning and 515.7 MB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 50.3 GB. [2020-06-21 23:57:28,556 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 2 locations, 2 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 585.8 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 272.31 ms. Allocated memory was 649.6 MB in the beginning and 684.7 MB in the end (delta: 35.1 MB). Free memory was 565.2 MB in the beginning and 652.6 MB in the end (delta: -87.4 MB). Peak memory consumption was 29.3 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 34.60 ms. Allocated memory is still 684.7 MB. Free memory was 651.6 MB in the beginning and 648.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 18.40 ms. Allocated memory is still 684.7 MB. Free memory was 648.7 MB in the beginning and 647.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 189.73 ms. Allocated memory is still 684.7 MB. Free memory was 647.7 MB in the beginning and 634.2 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 71.64 ms. Allocated memory is still 684.7 MB. Free memory was 634.2 MB in the beginning and 629.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. * TraceAbstraction took 147.99 ms. Allocated memory is still 684.7 MB. Free memory was 628.8 MB in the beginning and 620.2 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1570.36 ms. Allocated memory is still 684.7 MB. Free memory was 620.2 MB in the beginning and 515.7 MB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function 2 * x + -2 * z + 1 and consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. 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 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax208 hnf100 lsp47 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf100 smp100 tf100 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-06-21 23:57:22.943 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-06-21 23:57:28.790 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check