NO Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 11:02:55,361 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 11:02:55,363 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 11:02:55,374 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 11:02:55,374 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 11:02:55,375 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 11:02:55,376 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 11:02:55,378 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 11:02:55,379 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 11:02:55,380 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 11:02:55,381 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 11:02:55,381 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 11:02:55,382 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 11:02:55,383 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 11:02:55,384 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 11:02:55,384 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 11:02:55,385 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 11:02:55,387 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 11:02:55,389 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 11:02:55,390 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 11:02:55,391 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 11:02:55,392 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 11:02:55,394 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 11:02:55,394 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 11:02:55,395 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 11:02:55,395 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 11:02:55,396 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 11:02:55,396 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 11:02:55,397 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 11:02:55,397 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 11:02:55,398 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 11:02:55,399 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 11:02:55,399 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 11:02:55,400 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 11:02:55,400 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 11:02:55,400 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 11:02:55,401 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 11:02:55,402 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 11:02:55,402 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 11:02:55,403 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-22 11:02:55,417 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 11:02:55,417 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 11:02:55,418 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 11:02:55,418 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 11:02:55,418 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 11:02:55,418 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 11:02:55,419 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 11:02:55,419 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 11:02:55,419 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 11:02:55,419 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 11:02:55,419 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 11:02:55,419 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 11:02:55,420 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 11:02:55,420 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 11:02:55,420 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:02:55,420 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 11:02:55,420 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 11:02:55,420 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 11:02:55,421 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 11:02:55,421 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 11:02:55,421 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 11:02:55,421 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 11:02:55,421 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 11:02:55,421 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 11:02:55,421 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 11:02:55,422 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 11:02:55,422 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 11:02:55,422 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 11:02:55,422 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 11:02:55,448 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 11:02:55,462 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 11:02:55,466 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 11:02:55,467 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 11:02:55,468 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 11:02:55,468 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 11:02:55,532 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/409dcc98534543d1b4f143e1a95e531d/FLAGb94f905e7 [2020-06-22 11:02:55,863 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 11:02:55,864 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 11:02:55,870 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/409dcc98534543d1b4f143e1a95e531d/FLAGb94f905e7 [2020-06-22 11:02:56,287 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/409dcc98534543d1b4f143e1a95e531d [2020-06-22 11:02:56,299 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 11:02:56,301 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 11:02:56,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 11:02:56,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 11:02:56,306 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 11:02:56,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 11:02:56" (1/1) ... [2020-06-22 11:02:56,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@245a7187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:02:56, skipping insertion in model container [2020-06-22 11:02:56,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 11:02:56" (1/1) ... [2020-06-22 11:02:56,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 11:02:56,336 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 11:02:56,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 11:02:56,495 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 11:02:56,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 11:02:56,591 INFO L195 MainTranslator]: Completed translation [2020-06-22 11:02:56,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:02:56 WrapperNode [2020-06-22 11:02:56,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 11:02:56,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 11:02:56,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 11:02:56,593 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 11:02:56,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:02:56" (1/1) ... [2020-06-22 11:02:56,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:02:56" (1/1) ... [2020-06-22 11:02:56,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 11:02:56,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 11:02:56,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 11:02:56,628 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 11:02:56,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:02:56" (1/1) ... [2020-06-22 11:02:56,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:02:56" (1/1) ... [2020-06-22 11:02:56,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:02:56" (1/1) ... [2020-06-22 11:02:56,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:02:56" (1/1) ... [2020-06-22 11:02:56,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:02:56" (1/1) ... [2020-06-22 11:02:56,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:02:56" (1/1) ... [2020-06-22 11:02:56,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:02:56" (1/1) ... [2020-06-22 11:02:56,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 11:02:56,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 11:02:56,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 11:02:56,646 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 11:02:56,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:02:56" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 11:02:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 11:02:56,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 11:02:56,840 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 11:02:56,840 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2020-06-22 11:02:56,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:02:56 BoogieIcfgContainer [2020-06-22 11:02:56,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 11:02:56,842 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 11:02:56,842 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 11:02:56,844 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 11:02:56,845 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:02:56" (1/1) ... [2020-06-22 11:02:56,858 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 10 edges [2020-06-22 11:02:56,860 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 11:02:56,860 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 11:02:56,861 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 11:02:56,861 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 11:02:56,863 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 11:02:56,864 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 11:02:56,864 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 11:02:56,877 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 11:02:56,884 INFO L200 BlockEncoder]: SBE split 0 edges [2020-06-22 11:02:56,889 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-22 11:02:56,891 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 11:02:56,908 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2020-06-22 11:02:56,910 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-06-22 11:02:56,912 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 11:02:56,912 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 11:02:56,912 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 11:02:56,912 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 11:02:56,913 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 5 edges [2020-06-22 11:02:56,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 11:02:56 BasicIcfg [2020-06-22 11:02:56,913 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 11:02:56,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 11:02:56,915 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 11:02:56,918 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 11:02:56,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 11:02:56" (1/4) ... [2020-06-22 11:02:56,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6379ff77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 11:02:56, skipping insertion in model container [2020-06-22 11:02:56,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:02:56" (2/4) ... [2020-06-22 11:02:56,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6379ff77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 11:02:56, skipping insertion in model container [2020-06-22 11:02:56,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:02:56" (3/4) ... [2020-06-22 11:02:56,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6379ff77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:02:56, skipping insertion in model container [2020-06-22 11:02:56,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 11:02:56" (4/4) ... [2020-06-22 11:02:56,922 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 11:02:56,931 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 11:02:56,939 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 11:02:56,956 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 11:02:56,984 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 11:02:56,985 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 11:02:56,985 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 11:02:56,985 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 11:02:56,985 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 11:02:56,985 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 11:02:56,986 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 11:02:56,986 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 11:02:56,986 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 11:02:57,000 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2020-06-22 11:02:57,005 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 11:02:57,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-06-22 11:02:57,058 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 11:02:57,058 INFO L448 ceAbstractionStarter]: For program point L12(line 12) no Hoare annotation was computed. [2020-06-22 11:02:57,058 INFO L448 ceAbstractionStarter]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-06-22 11:02:57,059 INFO L451 ceAbstractionStarter]: At program point L11-2(lines 11 14) the Hoare annotation is: true [2020-06-22 11:02:57,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:02:57 BasicIcfg [2020-06-22 11:02:57,067 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 11:02:57,067 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 11:02:57,067 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 11:02:57,071 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 11:02:57,071 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 11:02:57,072 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 11:02:56" (1/5) ... [2020-06-22 11:02:57,072 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58fc071a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 11:02:57, skipping insertion in model container [2020-06-22 11:02:57,072 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 11:02:57,072 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:02:56" (2/5) ... [2020-06-22 11:02:57,073 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58fc071a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 11:02:57, skipping insertion in model container [2020-06-22 11:02:57,073 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 11:02:57,073 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:02:56" (3/5) ... [2020-06-22 11:02:57,074 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58fc071a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 11:02:57, skipping insertion in model container [2020-06-22 11:02:57,074 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 11:02:57,074 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 11:02:56" (4/5) ... [2020-06-22 11:02:57,074 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58fc071a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 11:02:57, skipping insertion in model container [2020-06-22 11:02:57,074 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 11:02:57,074 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:02:57" (5/5) ... [2020-06-22 11:02:57,076 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 11:02:57,104 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 11:02:57,104 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 11:02:57,104 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 11:02:57,104 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 11:02:57,105 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 11:02:57,105 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 11:02:57,105 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 11:02:57,105 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 11:02:57,105 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 11:02:57,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. [2020-06-22 11:02:57,127 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-06-22 11:02:57,127 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 11:02:57,127 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 11:02:57,132 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 11:02:57,133 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-06-22 11:02:57,133 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 11:02:57,133 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. [2020-06-22 11:02:57,134 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-06-22 11:02:57,134 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 11:02:57,134 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 11:02:57,134 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 11:02:57,134 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-06-22 11:02:57,139 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [26] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_1 0) (= v_ULTIMATE.start_main_~j~0_1 0)) InVars {} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 6#L11-2true [2020-06-22 11:02:57,140 INFO L796 eck$LassoCheckResult]: Loop: 6#L11-2true [34] L11-2-->L12: Formula: (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~j~0_7) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 5#L12true [36] L12-->L12-2: Formula: (>= v_ULTIMATE.start_main_~j~0_10 (+ v_ULTIMATE.start_main_~i~0_11 1)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[] 3#L12-2true [25] L12-2-->L11-2: Formula: (= v_ULTIMATE.start_main_~i~0_6 (+ v_ULTIMATE.start_main_~i~0_7 1)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 6#L11-2true [2020-06-22 11:02:57,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:02:57,146 INFO L82 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times [2020-06-22 11:02:57,148 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:02:57,149 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:02:57,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:02:57,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 11:02:57,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:02:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:02:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:02:57,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:02:57,216 INFO L82 PathProgramCache]: Analyzing trace with hash 63606, now seen corresponding path program 1 times [2020-06-22 11:02:57,216 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:02:57,216 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:02:57,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:02:57,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 11:02:57,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:02:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:02:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:02:57,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:02:57,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1731902, now seen corresponding path program 1 times [2020-06-22 11:02:57,232 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:02:57,232 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:02:57,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:02:57,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 11:02:57,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:02:57,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 11:02:57,281 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 11:02:57,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 11:02:57,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-06-22 11:02:57,335 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 11:02:57,336 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 11:02:57,336 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 11:02:57,336 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 11:02:57,336 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 11:02:57,336 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:02:57,336 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 11:02:57,337 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 11:02:57,337 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 11:02:57,337 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 11:02:57,337 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 11:02:57,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:02:57,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:02:57,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:02:57,436 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 11:02:57,436 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:02:57,442 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:02:57,443 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:02:57,475 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:02:57,475 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:02:57,481 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:02:57,481 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:02:57,509 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:02:57,509 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:02:57,515 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:02:57,515 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:02:57,548 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 11:02:57,548 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:02:57,724 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 11:02:57,726 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 11:02:57,726 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 11:02:57,727 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 11:02:57,727 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 11:02:57,727 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 11:02:57,727 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 11:02:57,727 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 11:02:57,727 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 11:02:57,727 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 11:02:57,727 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 11:02:57,728 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 11:02:57,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:02:57,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:02:57,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:02:57,811 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 11:02:57,817 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 11:02:57,818 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 11:02:57,820 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:02:57,820 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:02:57,820 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:02:57,821 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 11:02:57,825 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 11:02:57,825 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 11:02:57,832 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:02:57,833 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 11:02:57,833 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:02:57,834 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:02:57,834 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:02:57,834 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:02:57,835 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 11:02:57,835 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 11:02:57,836 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:02:57,842 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 11:02:57,850 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-06-22 11:02:57,850 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 11:02:57,853 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 11:02:57,853 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 11:02:57,853 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 11:02:57,854 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~j~0) = -1*ULTIMATE.start_main_~i~0 + 1*ULTIMATE.start_main_~j~0 Supporting invariants [] [2020-06-22 11:02:57,855 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 11:02:57,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:02:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 11:02:57,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 11:02:57,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 11:02:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 11:02:57,928 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 11:02:57,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 11:02:57,943 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 11:02:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 11:02:57,976 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 11:02:57,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 11:02:58,008 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 3 predicates after loop cannibalization [2020-06-22 11:02:58,014 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 3 loop predicates [2020-06-22 11:02:58,015 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states. Second operand 3 states. [2020-06-22 11:02:58,074 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states.. Second operand 3 states. Result 12 states and 15 transitions. Complement of second has 7 states. [2020-06-22 11:02:58,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 2 accepting loop states [2020-06-22 11:02:58,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 11:02:58,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2020-06-22 11:02:58,079 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 1 letters. Loop has 3 letters. [2020-06-22 11:02:58,080 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 11:02:58,080 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 4 letters. Loop has 3 letters. [2020-06-22 11:02:58,081 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 11:02:58,081 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 1 letters. Loop has 6 letters. [2020-06-22 11:02:58,081 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 11:02:58,087 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2020-06-22 11:02:58,088 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-06-22 11:02:58,092 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 10 states and 13 transitions. [2020-06-22 11:02:58,093 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2020-06-22 11:02:58,093 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2020-06-22 11:02:58,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2020-06-22 11:02:58,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 11:02:58,095 INFO L706 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-06-22 11:02:58,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2020-06-22 11:02:58,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2020-06-22 11:02:58,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-06-22 11:02:58,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2020-06-22 11:02:58,123 INFO L729 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2020-06-22 11:02:58,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-06-22 11:02:58,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-06-22 11:02:58,126 INFO L87 Difference]: Start difference. First operand 9 states and 12 transitions. Second operand 3 states. [2020-06-22 11:02:58,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 11:02:58,140 INFO L93 Difference]: Finished difference Result 7 states and 8 transitions. [2020-06-22 11:02:58,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-06-22 11:02:58,142 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 8 transitions. [2020-06-22 11:02:58,143 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-06-22 11:02:58,143 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 6 states and 7 transitions. [2020-06-22 11:02:58,143 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2020-06-22 11:02:58,143 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2020-06-22 11:02:58,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2020-06-22 11:02:58,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 11:02:58,144 INFO L706 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2020-06-22 11:02:58,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2020-06-22 11:02:58,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2020-06-22 11:02:58,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-06-22 11:02:58,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2020-06-22 11:02:58,145 INFO L729 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2020-06-22 11:02:58,145 INFO L609 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2020-06-22 11:02:58,146 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 11:02:58,146 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2020-06-22 11:02:58,146 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-06-22 11:02:58,146 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 11:02:58,147 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 11:02:58,147 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-06-22 11:02:58,147 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-06-22 11:02:58,147 INFO L794 eck$LassoCheckResult]: Stem: 86#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_1 0) (= v_ULTIMATE.start_main_~j~0_1 0)) InVars {} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 87#L11-2 [34] L11-2-->L12: Formula: (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~j~0_7) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 88#L12 [28] L12-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~j~0_9 (+ v_ULTIMATE.start_main_~i~0_10 1)) (= v_ULTIMATE.start_main_~j~0_8 (+ v_ULTIMATE.start_main_~j~0_9 2))) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 84#L12-2 [2020-06-22 11:02:58,148 INFO L796 eck$LassoCheckResult]: Loop: 84#L12-2 [25] L12-2-->L11-2: Formula: (= v_ULTIMATE.start_main_~i~0_6 (+ v_ULTIMATE.start_main_~i~0_7 1)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 85#L11-2 [34] L11-2-->L12: Formula: (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~j~0_7) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 89#L12 [36] L12-->L12-2: Formula: (>= v_ULTIMATE.start_main_~j~0_10 (+ v_ULTIMATE.start_main_~i~0_11 1)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[] 84#L12-2 [2020-06-22 11:02:58,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:02:58,148 INFO L82 PathProgramCache]: Analyzing trace with hash 55859, now seen corresponding path program 1 times [2020-06-22 11:02:58,148 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:02:58,148 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:02:58,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:02:58,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 11:02:58,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:02:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:02:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:02:58,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:02:58,158 INFO L82 PathProgramCache]: Analyzing trace with hash 54906, now seen corresponding path program 2 times [2020-06-22 11:02:58,158 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:02:58,158 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:02:58,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:02:58,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 11:02:58,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:02:58,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:02:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:02:58,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:02:58,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1664120584, now seen corresponding path program 1 times [2020-06-22 11:02:58,165 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:02:58,165 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:02:58,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:02:58,167 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 11:02:58,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:02:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:02:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:02:58,191 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 11:02:58,191 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 11:02:58,191 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 11:02:58,191 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 11:02:58,191 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 11:02:58,191 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:02:58,192 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 11:02:58,192 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 11:02:58,192 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 11:02:58,192 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 11:02:58,192 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 11:02:58,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:02:58,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:02:58,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:02:58,246 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 11:02:58,246 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:02:58,252 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:02:58,252 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:02:58,280 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:02:58,280 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:02:58,285 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:02:58,285 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:02:58,312 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:02:58,312 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/sandbox2/solver/bin/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:02:58,317 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:02:58,317 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 [2020-06-22 11:02:58,351 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 11:02:58,352 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:02:58,870 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 11:02:58,873 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 11:02:58,873 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 11:02:58,873 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 11:02:58,873 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 11:02:58,873 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 11:02:58,873 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 11:02:58,873 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 11:02:58,874 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 11:02:58,874 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 11:02:58,874 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 11:02:58,874 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 11:02:58,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:02:58,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:02:58,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:02:58,932 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 11:02:58,932 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 11:02:58,932 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 11:02:58,934 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:02:58,934 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:02:58,934 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:02:58,934 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 11:02:58,936 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 11:02:58,937 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 11:02:58,942 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:02:58,942 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 11:02:58,943 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:02:58,943 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:02:58,943 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:02:58,943 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 11:02:58,945 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 11:02:58,945 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 11:02:58,951 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:02:58,952 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 11:02:58,952 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:02:58,953 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:02:58,953 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:02:58,953 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:02:58,953 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 11:02:58,954 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 11:02:58,954 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:02:58,959 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 11:02:58,963 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 11:02:58,963 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 11:02:58,964 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 11:02:58,964 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 11:02:58,964 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 11:02:58,964 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~j~0) = -1*ULTIMATE.start_main_~i~0 + 1*ULTIMATE.start_main_~j~0 Supporting invariants [] [2020-06-22 11:02:58,965 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 11:02:58,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:02:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 11:02:58,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 11:02:58,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 11:02:58,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 11:02:58,994 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 11:02:58,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 11:02:59,025 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 11:02:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 11:02:59,041 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 11:02:59,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 11:02:59,100 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 5 predicates after loop cannibalization [2020-06-22 11:02:59,101 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 5 loop predicates [2020-06-22 11:02:59,101 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand 4 states. [2020-06-22 11:02:59,227 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 6 states and 7 transitions. cyclomatic complexity: 2. Second operand 4 states. Result 35 states and 44 transitions. Complement of second has 26 states. [2020-06-22 11:02:59,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 5 non-accepting loop states 2 accepting loop states [2020-06-22 11:02:59,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-06-22 11:02:59,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 18 transitions. [2020-06-22 11:02:59,229 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 3 letters. Loop has 3 letters. [2020-06-22 11:02:59,229 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 11:02:59,230 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 6 letters. Loop has 3 letters. [2020-06-22 11:02:59,230 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 11:02:59,230 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 3 letters. Loop has 6 letters. [2020-06-22 11:02:59,231 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 11:02:59,232 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 44 transitions. [2020-06-22 11:02:59,235 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2020-06-22 11:02:59,235 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 19 states and 23 transitions. [2020-06-22 11:02:59,236 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2020-06-22 11:02:59,236 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2020-06-22 11:02:59,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 23 transitions. [2020-06-22 11:02:59,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 11:02:59,236 INFO L706 BuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2020-06-22 11:02:59,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 23 transitions. [2020-06-22 11:02:59,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 11. [2020-06-22 11:02:59,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-06-22 11:02:59,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2020-06-22 11:02:59,238 INFO L729 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2020-06-22 11:02:59,238 INFO L609 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2020-06-22 11:02:59,239 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2020-06-22 11:02:59,239 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 13 transitions. [2020-06-22 11:02:59,239 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2020-06-22 11:02:59,239 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 11:02:59,240 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 11:02:59,240 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 11:02:59,240 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1] [2020-06-22 11:02:59,240 INFO L794 eck$LassoCheckResult]: Stem: 209#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_1 0) (= v_ULTIMATE.start_main_~j~0_1 0)) InVars {} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 210#L11-2 [34] L11-2-->L12: Formula: (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~j~0_7) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 211#L12 [2020-06-22 11:02:59,241 INFO L796 eck$LassoCheckResult]: Loop: 211#L12 [28] L12-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~j~0_9 (+ v_ULTIMATE.start_main_~i~0_10 1)) (= v_ULTIMATE.start_main_~j~0_8 (+ v_ULTIMATE.start_main_~j~0_9 2))) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 205#L12-2 [25] L12-2-->L11-2: Formula: (= v_ULTIMATE.start_main_~i~0_6 (+ v_ULTIMATE.start_main_~i~0_7 1)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 206#L11-2 [34] L11-2-->L12: Formula: (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~j~0_7) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 215#L12 [36] L12-->L12-2: Formula: (>= v_ULTIMATE.start_main_~j~0_10 (+ v_ULTIMATE.start_main_~i~0_11 1)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[] 207#L12-2 [25] L12-2-->L11-2: Formula: (= v_ULTIMATE.start_main_~i~0_6 (+ v_ULTIMATE.start_main_~i~0_7 1)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 208#L11-2 [34] L11-2-->L12: Formula: (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~j~0_7) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 211#L12 [2020-06-22 11:02:59,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:02:59,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1801, now seen corresponding path program 1 times [2020-06-22 11:02:59,241 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:02:59,241 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:02:59,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:02:59,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 11:02:59,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:02:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:02:59,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:02:59,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:02:59,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1713256233, now seen corresponding path program 1 times [2020-06-22 11:02:59,248 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:02:59,248 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:02:59,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:02:59,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 11:02:59,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:02:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:02:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:02:59,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:02:59,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1492047921, now seen corresponding path program 2 times [2020-06-22 11:02:59,258 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:02:59,259 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:02:59,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:02:59,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 11:02:59,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:02:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:02:59,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:02:59,321 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 11:02:59,322 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 11:02:59,322 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 11:02:59,322 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 11:02:59,322 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 11:02:59,322 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:02:59,322 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 11:02:59,322 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 11:02:59,322 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-06-22 11:02:59,322 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 11:02:59,323 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 11:02:59,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:02:59,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:02:59,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:02:59,406 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 11:02:59,406 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:02:59,410 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:02:59,410 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:02:59,443 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 11:02:59,443 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:02:59,512 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:02:59,512 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0=-6, ULTIMATE.start_main_~i~0=-6} Honda state: {ULTIMATE.start_main_~j~0=-6, ULTIMATE.start_main_~i~0=-6} Generalized eigenvectors: [{ULTIMATE.start_main_~j~0=-7, ULTIMATE.start_main_~i~0=-7}, {ULTIMATE.start_main_~j~0=7, ULTIMATE.start_main_~i~0=7}, {ULTIMATE.start_main_~j~0=2, ULTIMATE.start_main_~i~0=2}] Lambdas: [2, 1, 1] Nus: [1, 0] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:02:59,543 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:02:59,543 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:02:59,570 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:02:59,570 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:02:59,577 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:02:59,577 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:02:59,604 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:02:59,605 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_5=0} Honda state: {v_rep~unnamed0~0~false_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2020-06-22 11:02:59,620 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 11:02:59,620 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 11:02:59,620 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 11:02:59,620 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 11:02:59,621 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 11:02:59,621 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:02:59,621 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 11:02:59,621 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 11:02:59,621 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso [2020-06-22 11:02:59,622 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 11:02:59,622 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 11:02:59,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:02:59,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:02:59,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:02:59,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:02:59,719 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 11:02:59,720 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:02:59,724 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:02:59,724 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:02:59,727 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:02:59,728 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:02:59,755 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:02:59,755 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:02:59,804 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 11:02:59,804 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:02:59,843 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:02:59,843 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0=0, ULTIMATE.start_main_~j~0=0} Honda state: {ULTIMATE.start_main_~i~0=0, ULTIMATE.start_main_~j~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~i~0=-2, ULTIMATE.start_main_~j~0=-2}, {ULTIMATE.start_main_~i~0=6, ULTIMATE.start_main_~j~0=6}, {ULTIMATE.start_main_~i~0=-2, ULTIMATE.start_main_~j~0=-2}] Lambdas: [4, 1, 1] Nus: [1, 0] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:02:59,871 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:02:59,872 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:02:59,900 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:02:59,900 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_6=1} Honda state: {v_rep~unnamed0~0~true_6=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:02:59,905 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:02:59,905 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:02:59,933 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:02:59,934 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_6=0} Honda state: {v_rep~unnamed0~0~false_6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2020-06-22 11:02:59,947 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:02:59,949 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 11:02:59,949 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:02:59,950 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 11:02:59,950 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:02:59,950 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 11:02:59,951 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:02:59,951 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 11:02:59,951 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:02:59,952 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 11:02:59,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 11:02:59 BasicIcfg [2020-06-22 11:02:59,964 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 11:02:59,965 INFO L168 Benchmark]: Toolchain (without parser) took 3664.98 ms. Allocated memory was 649.6 MB in the beginning and 762.8 MB in the end (delta: 113.2 MB). Free memory was 565.0 MB in the beginning and 707.2 MB in the end (delta: -142.3 MB). Peak memory consumption was 225.8 MB. Max. memory is 50.3 GB. [2020-06-22 11:02:59,966 INFO L168 Benchmark]: CDTParser took 0.16 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. [2020-06-22 11:02:59,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.18 ms. Allocated memory was 649.6 MB in the beginning and 705.2 MB in the end (delta: 55.6 MB). Free memory was 565.0 MB in the beginning and 672.9 MB in the end (delta: -108.0 MB). Peak memory consumption was 30.6 MB. Max. memory is 50.3 GB. [2020-06-22 11:02:59,967 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.32 ms. Allocated memory is still 705.2 MB. Free memory was 672.9 MB in the beginning and 671.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-06-22 11:02:59,968 INFO L168 Benchmark]: Boogie Preprocessor took 18.48 ms. Allocated memory is still 705.2 MB. Free memory was 671.8 MB in the beginning and 669.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. [2020-06-22 11:02:59,969 INFO L168 Benchmark]: RCFGBuilder took 195.58 ms. Allocated memory is still 705.2 MB. Free memory was 667.9 MB in the beginning and 655.5 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. [2020-06-22 11:02:59,969 INFO L168 Benchmark]: BlockEncodingV2 took 71.63 ms. Allocated memory is still 705.2 MB. Free memory was 655.5 MB in the beginning and 651.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. [2020-06-22 11:02:59,970 INFO L168 Benchmark]: TraceAbstraction took 152.26 ms. Allocated memory is still 705.2 MB. Free memory was 650.1 MB in the beginning and 641.4 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. [2020-06-22 11:02:59,970 INFO L168 Benchmark]: BuchiAutomizer took 2896.85 ms. Allocated memory was 705.2 MB in the beginning and 762.8 MB in the end (delta: 57.7 MB). Free memory was 641.4 MB in the beginning and 707.2 MB in the end (delta: -65.8 MB). Peak memory consumption was 246.7 MB. Max. memory is 50.3 GB. [2020-06-22 11:02:59,975 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 8 locations, 10 edges - StatisticsResult: Encoded RCFG 4 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 585.8 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 290.18 ms. Allocated memory was 649.6 MB in the beginning and 705.2 MB in the end (delta: 55.6 MB). Free memory was 565.0 MB in the beginning and 672.9 MB in the end (delta: -108.0 MB). Peak memory consumption was 30.6 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 34.32 ms. Allocated memory is still 705.2 MB. Free memory was 672.9 MB in the beginning and 671.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 18.48 ms. Allocated memory is still 705.2 MB. Free memory was 671.8 MB in the beginning and 669.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. * RCFGBuilder took 195.58 ms. Allocated memory is still 705.2 MB. Free memory was 667.9 MB in the beginning and 655.5 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 71.63 ms. Allocated memory is still 705.2 MB. Free memory was 655.5 MB in the beginning and 651.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. * TraceAbstraction took 152.26 ms. Allocated memory is still 705.2 MB. Free memory was 650.1 MB in the beginning and 641.4 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 2896.85 ms. Allocated memory was 705.2 MB in the beginning and 762.8 MB in the end (delta: 57.7 MB). Free memory was 641.4 MB in the beginning and 707.2 MB in the end (delta: -65.8 MB). Peak memory consumption was 246.7 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 4 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=4occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 0 deterministic, 2 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function -1 * i + j and consists of 5 locations. One nondeterministic module has affine ranking function -1 * i + j and consists of 8 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 11 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 3 iterations. TraceHistogramMax:2. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 19 SDslu, 0 SDs, 0 SdLazy, 53 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax182 hnf100 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq154 hnf93 smp95 dnf100 smp100 tf109 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 9 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.2s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 12]: Nontermination argument in form of an infinite program execution. [2020-06-22 11:02:59,984 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:02:59,984 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 11:02:59,985 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:02:59,985 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 11:02:59,985 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:02:59,986 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 11:02:59,986 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:02:59,986 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 11:02:59,986 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:02:59,987 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 11:02:59,987 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:02:59,987 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 11:02:59,988 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:02:59,988 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 11:02:59,988 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:02:59,988 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 11:02:59,989 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:02:59,989 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 11:02:59,989 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 11:02:59,990 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false Nontermination argument in form of an infinite execution {ULTIMATE.start_main_~i~0=0, ~unnamed0~0~true=1, ~unnamed0~0~false=0, ULTIMATE.start_main_~j~0=0, |ULTIMATE.start_main_#res|=0} {~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=0, j=0} {~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=2, j=2} {~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=4, j=4} {~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=6, j=6} {~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=8, j=8} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 3GEVs Lambdas: [4, 1, 1] Mus: [1, 0] - NonterminatingLassoResult [Line: 12]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] int j; [L8] j = 0 [L9] i = 0 [L11] COND TRUE i <= j Loop: [L12] COND TRUE j-i < 1 [L12] j = j+2 [L13] i = i+1 [L11] COND TRUE i <= j [L12] COND FALSE !(j-i < 1) [L13] i = i+1 [L11] COND TRUE i <= j End of lasso representation. RESULT: Ultimate proved your program to be incorrect! !SESSION 2020-06-22 11:02:52.944 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 11:03:00.215 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check