NO Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 02:29:11,462 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 02:29:11,464 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 02:29:11,476 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 02:29:11,476 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 02:29:11,477 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 02:29:11,478 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 02:29:11,480 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 02:29:11,481 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 02:29:11,482 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 02:29:11,483 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 02:29:11,483 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 02:29:11,484 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 02:29:11,484 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 02:29:11,485 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 02:29:11,486 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 02:29:11,487 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 02:29:11,489 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 02:29:11,491 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 02:29:11,492 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 02:29:11,493 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 02:29:11,494 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 02:29:11,496 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 02:29:11,496 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 02:29:11,497 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 02:29:11,497 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 02:29:11,498 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 02:29:11,499 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 02:29:11,499 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 02:29:11,499 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 02:29:11,500 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 02:29:11,501 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 02:29:11,502 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 02:29:11,502 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 02:29:11,502 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 02:29:11,502 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 02:29:11,503 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 02:29:11,504 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 02:29:11,504 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 02:29:11,505 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-06-22 02:29:11,519 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 02:29:11,519 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 02:29:11,520 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 02:29:11,520 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 02:29:11,520 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 02:29:11,520 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 02:29:11,521 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 02:29:11,521 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 02:29:11,521 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 02:29:11,521 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 02:29:11,521 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 02:29:11,521 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 02:29:11,522 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 02:29:11,522 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 02:29:11,522 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:29:11,522 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 02:29:11,522 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 02:29:11,522 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 02:29:11,522 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 02:29:11,523 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 02:29:11,523 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 02:29:11,523 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 02:29:11,523 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 02:29:11,523 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 02:29:11,523 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 02:29:11,524 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 02:29:11,524 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 02:29:11,524 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 02:29:11,524 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 02:29:11,549 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 02:29:11,562 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 02:29:11,566 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 02:29:11,567 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 02:29:11,567 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 02:29:11,568 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 02:29:11,635 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/2f82db68aeed430a91f1721d5d4bdacf/FLAGd23424fdb [2020-06-22 02:29:11,979 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 02:29:11,980 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 02:29:11,986 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/2f82db68aeed430a91f1721d5d4bdacf/FLAGd23424fdb [2020-06-22 02:29:12,374 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/2f82db68aeed430a91f1721d5d4bdacf [2020-06-22 02:29:12,385 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 02:29:12,387 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 02:29:12,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 02:29:12,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 02:29:12,392 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 02:29:12,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 02:29:12" (1/1) ... [2020-06-22 02:29:12,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50fef3b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:29:12, skipping insertion in model container [2020-06-22 02:29:12,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 02:29:12" (1/1) ... [2020-06-22 02:29:12,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 02:29:12,420 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 02:29:12,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 02:29:12,578 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 02:29:12,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 02:29:12,659 INFO L195 MainTranslator]: Completed translation [2020-06-22 02:29:12,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:29:12 WrapperNode [2020-06-22 02:29:12,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 02:29:12,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 02:29:12,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 02:29:12,661 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 02:29:12,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:29:12" (1/1) ... [2020-06-22 02:29:12,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:29:12" (1/1) ... [2020-06-22 02:29:12,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 02:29:12,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 02:29:12,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 02:29:12,696 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 02:29:12,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:29:12" (1/1) ... [2020-06-22 02:29:12,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:29:12" (1/1) ... [2020-06-22 02:29:12,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:29:12" (1/1) ... [2020-06-22 02:29:12,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:29:12" (1/1) ... [2020-06-22 02:29:12,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:29:12" (1/1) ... [2020-06-22 02:29:12,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:29:12" (1/1) ... [2020-06-22 02:29:12,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:29:12" (1/1) ... [2020-06-22 02:29:12,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 02:29:12,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 02:29:12,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 02:29:12,715 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 02:29:12,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:29:12" (1/1) ... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 02:29:12,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 02:29:12,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 02:29:12,904 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 02:29:12,905 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2020-06-22 02:29:12,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:29:12 BoogieIcfgContainer [2020-06-22 02:29:12,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 02:29:12,907 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 02:29:12,907 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 02:29:12,909 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 02:29:12,910 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:29:12" (1/1) ... [2020-06-22 02:29:12,923 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges [2020-06-22 02:29:12,925 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 02:29:12,926 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 02:29:12,926 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 02:29:12,926 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 02:29:12,928 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 02:29:12,929 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 02:29:12,929 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 02:29:12,944 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 02:29:12,957 INFO L200 BlockEncoder]: SBE split 1 edges [2020-06-22 02:29:12,963 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-22 02:29:12,965 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 02:29:12,978 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2020-06-22 02:29:12,980 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-06-22 02:29:12,982 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 02:29:12,982 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 02:29:12,982 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 02:29:12,982 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 02:29:12,982 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges [2020-06-22 02:29:12,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 02:29:12 BasicIcfg [2020-06-22 02:29:12,983 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 02:29:12,984 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 02:29:12,984 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 02:29:12,987 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 02:29:12,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 02:29:12" (1/4) ... [2020-06-22 02:29:12,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c034e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 02:29:12, skipping insertion in model container [2020-06-22 02:29:12,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:29:12" (2/4) ... [2020-06-22 02:29:12,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c034e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 02:29:12, skipping insertion in model container [2020-06-22 02:29:12,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:29:12" (3/4) ... [2020-06-22 02:29:12,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c034e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 02:29:12, skipping insertion in model container [2020-06-22 02:29:12,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 02:29:12" (4/4) ... [2020-06-22 02:29:12,991 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 02:29:13,001 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 02:29:13,008 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 02:29:13,024 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 02:29:13,053 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 02:29:13,055 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 02:29:13,055 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 02:29:13,055 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 02:29:13,055 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 02:29:13,056 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 02:29:13,056 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 02:29:13,056 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 02:29:13,056 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 02:29:13,069 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-06-22 02:29:13,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 02:29:13,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-06-22 02:29:13,129 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 02:29:13,130 INFO L448 ceAbstractionStarter]: For program point L10(lines 10 16) no Hoare annotation was computed. [2020-06-22 02:29:13,130 INFO L451 ceAbstractionStarter]: At program point L10-2(lines 9 17) the Hoare annotation is: true [2020-06-22 02:29:13,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 02:29:13 BasicIcfg [2020-06-22 02:29:13,138 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 02:29:13,138 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 02:29:13,139 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 02:29:13,142 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 02:29:13,143 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 02:29:13,143 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 02:29:12" (1/5) ... [2020-06-22 02:29:13,144 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44a39bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 02:29:13, skipping insertion in model container [2020-06-22 02:29:13,144 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 02:29:13,144 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:29:12" (2/5) ... [2020-06-22 02:29:13,144 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44a39bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 02:29:13, skipping insertion in model container [2020-06-22 02:29:13,144 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 02:29:13,145 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:29:12" (3/5) ... [2020-06-22 02:29:13,145 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44a39bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 02:29:13, skipping insertion in model container [2020-06-22 02:29:13,145 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 02:29:13,145 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 02:29:12" (4/5) ... [2020-06-22 02:29:13,146 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44a39bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 02:29:13, skipping insertion in model container [2020-06-22 02:29:13,146 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 02:29:13,146 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 02:29:13" (5/5) ... [2020-06-22 02:29:13,148 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 02:29:13,174 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 02:29:13,175 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 02:29:13,175 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 02:29:13,175 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 02:29:13,175 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 02:29:13,175 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 02:29:13,176 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 02:29:13,176 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 02:29:13,176 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 02:29:13,179 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 02:29:13,197 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 02:29:13,197 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 02:29:13,198 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 02:29:13,203 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 02:29:13,203 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 02:29:13,203 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 02:29:13,203 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 02:29:13,204 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 02:29:13,204 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 02:29:13,204 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 02:29:13,205 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 02:29:13,205 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 02:29:13,210 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [26] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 5#L10-2true [2020-06-22 02:29:13,210 INFO L796 eck$LassoCheckResult]: Loop: 5#L10-2true [35] L10-2-->L10: Formula: (> 0 v_ULTIMATE.start_main_~i~0_7) 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_7} AuxVars[] AssignedVars[] 3#L10true [34] L10-->L10-2: Formula: (and (= 0 (+ v_ULTIMATE.start_main_~i~0_13 v_ULTIMATE.start_main_~i~0_11 1)) (>= v_ULTIMATE.start_main_~i~0_13 0)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 5#L10-2true [2020-06-22 02:29:13,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 02:29:13,216 INFO L82 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times [2020-06-22 02:29:13,218 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 02:29:13,219 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 02:29:13,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:29:13,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 02:29:13,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:29:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:29:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:29:13,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 02:29:13,285 INFO L82 PathProgramCache]: Analyzing trace with hash 2080, now seen corresponding path program 1 times [2020-06-22 02:29:13,285 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 02:29:13,285 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 02:29:13,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:29:13,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 02:29:13,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:29:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 02:29:13,330 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 02:29:13,332 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 02:29:13,332 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-06-22 02:29:13,337 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-06-22 02:29:13,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-06-22 02:29:13,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-06-22 02:29:13,353 INFO L87 Difference]: Start difference. First operand 3 states. Second operand 3 states. [2020-06-22 02:29:13,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 02:29:13,384 INFO L93 Difference]: Finished difference Result 5 states and 7 transitions. [2020-06-22 02:29:13,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-06-22 02:29:13,388 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 7 transitions. [2020-06-22 02:29:13,389 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-06-22 02:29:13,393 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 5 states and 7 transitions. [2020-06-22 02:29:13,394 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2020-06-22 02:29:13,394 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2020-06-22 02:29:13,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 7 transitions. [2020-06-22 02:29:13,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 02:29:13,395 INFO L706 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2020-06-22 02:29:13,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 7 transitions. [2020-06-22 02:29:13,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2020-06-22 02:29:13,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-06-22 02:29:13,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2020-06-22 02:29:13,425 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2020-06-22 02:29:13,425 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2020-06-22 02:29:13,425 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 02:29:13,425 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 7 transitions. [2020-06-22 02:29:13,426 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-06-22 02:29:13,426 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 02:29:13,426 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 02:29:13,426 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 02:29:13,426 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 02:29:13,427 INFO L794 eck$LassoCheckResult]: Stem: 19#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 18#L10-2 [2020-06-22 02:29:13,427 INFO L796 eck$LassoCheckResult]: Loop: 18#L10-2 [35] L10-2-->L10: Formula: (> 0 v_ULTIMATE.start_main_~i~0_7) 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_7} AuxVars[] AssignedVars[] 17#L10 [24] L10-->L10-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_10 0) (= 1 (+ v_ULTIMATE.start_main_~i~0_8 v_ULTIMATE.start_main_~i~0_10))) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 18#L10-2 [2020-06-22 02:29:13,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 02:29:13,427 INFO L82 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 2 times [2020-06-22 02:29:13,428 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 02:29:13,428 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 02:29:13,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:29:13,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 02:29:13,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:29:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:29:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:29:13,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 02:29:13,433 INFO L82 PathProgramCache]: Analyzing trace with hash 2070, now seen corresponding path program 1 times [2020-06-22 02:29:13,433 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 02:29:13,433 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 02:29:13,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:29:13,435 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 02:29:13,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:29:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:29:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:29:13,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 02:29:13,441 INFO L82 PathProgramCache]: Analyzing trace with hash 55886, now seen corresponding path program 1 times [2020-06-22 02:29:13,441 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 02:29:13,441 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 02:29:13,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:29:13,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 02:29:13,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:29:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:29:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:29:13,481 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 02:29:13,482 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 02:29:13,482 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 02:29:13,482 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 02:29:13,482 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 02:29:13,482 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:29:13,482 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 02:29:13,483 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 02:29:13,483 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 02:29:13,483 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 02:29:13,483 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 02:29:13,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:29:13,514 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 02:29:13,518 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 02:29:13,581 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 02:29:13,582 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:29:13,588 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:29:13,589 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:29:13,621 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:29:13,621 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:29:13,628 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:29:13,628 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:29:13,655 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:29:13,656 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:29:13,661 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:29:13,661 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:29:13,694 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 02:29:13,694 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:29:13,724 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 02:29:13,726 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 02:29:13,727 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 02:29:13,727 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 02:29:13,727 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 02:29:13,727 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 02:29:13,727 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 02:29:13,727 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 02:29:13,727 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 02:29:13,728 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 02:29:13,728 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 02:29:13,728 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 02:29:13,730 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 02:29:13,733 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 02:29:13,737 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 02:29:13,819 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 02:29:13,825 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 02:29:13,827 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 02:29:13,828 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 02:29:13,829 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 02:29:13,829 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 02:29:13,829 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 02:29:13,834 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 02:29:13,834 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 02:29:13,842 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 02:29:13,843 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 02:29:13,844 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 02:29:13,844 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 02:29:13,844 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 02:29:13,844 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 02:29:13,847 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 02:29:13,847 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 02:29:13,857 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 02:29:13,858 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 02:29:13,858 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 02:29:13,859 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 02:29:13,859 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 02:29:13,859 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 02:29:13,860 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 02:29:13,860 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 02:29:13,860 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 02:29:13,867 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 02:29:13,872 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 02:29:13,872 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 02:29:13,875 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 02:29:13,875 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 02:29:13,875 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 02:29:13,876 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2020-06-22 02:29:13,877 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 02:29:13,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 02:29:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 02:29:13,913 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 02:29:13,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 02:29:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 02:29:13,924 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 02:29:13,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 02:29:13,946 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 02:29:13,961 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-22 02:29:13,963 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-06-22 02:29:13,964 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 7 transitions. cyclomatic complexity: 3 Second operand 3 states. [2020-06-22 02:29:14,001 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 7 transitions. cyclomatic complexity: 3. Second operand 3 states. Result 15 states and 22 transitions. Complement of second has 8 states. [2020-06-22 02:29:14,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-06-22 02:29:14,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 02:29:14,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2020-06-22 02:29:14,005 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 1 letters. Loop has 2 letters. [2020-06-22 02:29:14,006 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 02:29:14,006 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 3 letters. Loop has 2 letters. [2020-06-22 02:29:14,006 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 02:29:14,006 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 1 letters. Loop has 4 letters. [2020-06-22 02:29:14,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 02:29:14,011 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 22 transitions. [2020-06-22 02:29:14,012 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-06-22 02:29:14,013 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 12 states and 18 transitions. [2020-06-22 02:29:14,013 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-06-22 02:29:14,013 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2020-06-22 02:29:14,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 18 transitions. [2020-06-22 02:29:14,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 02:29:14,013 INFO L706 BuchiCegarLoop]: Abstraction has 12 states and 18 transitions. [2020-06-22 02:29:14,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 18 transitions. [2020-06-22 02:29:14,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 9. [2020-06-22 02:29:14,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-06-22 02:29:14,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 15 transitions. [2020-06-22 02:29:14,015 INFO L729 BuchiCegarLoop]: Abstraction has 9 states and 15 transitions. [2020-06-22 02:29:14,015 INFO L609 BuchiCegarLoop]: Abstraction has 9 states and 15 transitions. [2020-06-22 02:29:14,016 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2020-06-22 02:29:14,016 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 15 transitions. [2020-06-22 02:29:14,016 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-06-22 02:29:14,016 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 02:29:14,016 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 02:29:14,017 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-06-22 02:29:14,017 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-06-22 02:29:14,017 INFO L794 eck$LassoCheckResult]: Stem: 77#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 78#L10-2 [36] L10-2-->L10: Formula: (< 0 v_ULTIMATE.start_main_~i~0_7) 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_7} AuxVars[] AssignedVars[] 80#L10 [34] L10-->L10-2: Formula: (and (= 0 (+ v_ULTIMATE.start_main_~i~0_13 v_ULTIMATE.start_main_~i~0_11 1)) (>= v_ULTIMATE.start_main_~i~0_13 0)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 79#L10-2 [2020-06-22 02:29:14,018 INFO L796 eck$LassoCheckResult]: Loop: 79#L10-2 [35] L10-2-->L10: Formula: (> 0 v_ULTIMATE.start_main_~i~0_7) 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_7} AuxVars[] AssignedVars[] 73#L10 [24] L10-->L10-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_10 0) (= 1 (+ v_ULTIMATE.start_main_~i~0_8 v_ULTIMATE.start_main_~i~0_10))) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 74#L10-2 [36] L10-2-->L10: Formula: (< 0 v_ULTIMATE.start_main_~i~0_7) 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_7} AuxVars[] AssignedVars[] 81#L10 [34] L10-->L10-2: Formula: (and (= 0 (+ v_ULTIMATE.start_main_~i~0_13 v_ULTIMATE.start_main_~i~0_11 1)) (>= v_ULTIMATE.start_main_~i~0_13 0)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 79#L10-2 [2020-06-22 02:29:14,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 02:29:14,018 INFO L82 PathProgramCache]: Analyzing trace with hash 55927, now seen corresponding path program 1 times [2020-06-22 02:29:14,018 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 02:29:14,018 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 02:29:14,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:29:14,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 02:29:14,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:29:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:29:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:29:14,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 02:29:14,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1990420, now seen corresponding path program 1 times [2020-06-22 02:29:14,027 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 02:29:14,027 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 02:29:14,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:29:14,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 02:29:14,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:29:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:29:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:29:14,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 02:29:14,035 INFO L82 PathProgramCache]: Analyzing trace with hash 111218314, now seen corresponding path program 1 times [2020-06-22 02:29:14,035 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 02:29:14,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 02:29:14,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:29:14,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 02:29:14,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:29:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:29:14,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:29:14,070 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 02:29:14,070 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 02:29:14,070 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 02:29:14,070 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 02:29:14,070 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 02:29:14,070 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:29:14,071 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 02:29:14,071 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 02:29:14,071 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-06-22 02:29:14,071 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 02:29:14,071 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 02:29:14,072 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 02:29:14,075 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 02:29:14,082 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 02:29:14,124 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 02:29:14,124 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:29:14,129 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:29:14,129 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:29:14,156 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:29:14,157 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 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 02:29:14,162 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:29:14,162 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:29:14,192 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 02:29:14,192 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:29:14,209 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:29:14,209 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0=-1} Honda state: {ULTIMATE.start_main_~i~0=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~i~0=0}, {ULTIMATE.start_main_~i~0=0}, {ULTIMATE.start_main_~i~0=-2}] Lambdas: [0, 0, 1] Nus: [0, 0] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:29:14,238 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:29:14,238 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:29:14,265 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:29:14,265 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: [] [2020-06-22 02:29:14,286 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 02:29:14,287 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 02:29:14,287 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 02:29:14,287 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 02:29:14,287 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 02:29:14,287 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:29:14,287 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 02:29:14,287 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 02:29:14,288 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso [2020-06-22 02:29:14,288 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 02:29:14,288 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 02:29:14,289 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 02:29:14,296 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 02:29:14,299 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 02:29:14,302 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 02:29:14,305 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 02:29:14,356 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 02:29:14,356 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:29:14,365 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:29:14,365 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:29:14,369 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:29:14,370 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/sandbox/solver/bin/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:29:14,399 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:29:14,399 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:29:14,426 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:29:14,426 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_4=0} Honda state: {v_rep~unnamed0~0~false_4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 02:29:14,435 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:29:14,435 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:29:14,438 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:29:14,439 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 02:29:14,467 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:29:14,467 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:29:14,495 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:29:14,495 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_4=1} Honda state: {v_rep~unnamed0~0~true_4=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 02:29:14,500 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:29:14,501 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/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 02:29:14,533 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 02:29:14,533 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:29:14,549 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:29:14,549 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0=0} Honda state: {ULTIMATE.start_main_~i~0=-2} Generalized eigenvectors: [{ULTIMATE.start_main_~i~0=-2}, {ULTIMATE.start_main_~i~0=0}, {ULTIMATE.start_main_~i~0=0}] Lambdas: [1, 10, 9] Nus: [0, 0] [2020-06-22 02:29:14,581 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:29:14,582 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 02:29:14,583 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:29:14,583 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 02:29:14,584 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:29:14,584 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 02:29:14,584 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:29:14,585 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 02:29:14,585 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:29:14,585 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 02:29:14,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 02:29:14 BasicIcfg [2020-06-22 02:29:14,597 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 02:29:14,597 INFO L168 Benchmark]: Toolchain (without parser) took 2211.03 ms. Allocated memory was 649.6 MB in the beginning and 683.7 MB in the end (delta: 34.1 MB). Free memory was 558.8 MB in the beginning and 460.1 MB in the end (delta: 98.7 MB). Peak memory consumption was 132.8 MB. Max. memory is 50.3 GB. [2020-06-22 02:29:14,599 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.4 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 02:29:14,599 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.38 ms. Allocated memory was 649.6 MB in the beginning and 683.7 MB in the end (delta: 34.1 MB). Free memory was 558.8 MB in the beginning and 650.1 MB in the end (delta: -91.4 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. [2020-06-22 02:29:14,600 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.47 ms. Allocated memory is still 683.7 MB. Free memory was 650.1 MB in the beginning and 648.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-06-22 02:29:14,601 INFO L168 Benchmark]: Boogie Preprocessor took 18.80 ms. Allocated memory is still 683.7 MB. Free memory was 648.8 MB in the beginning and 645.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. [2020-06-22 02:29:14,601 INFO L168 Benchmark]: RCFGBuilder took 191.66 ms. Allocated memory is still 683.7 MB. Free memory was 645.7 MB in the beginning and 632.7 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 50.3 GB. [2020-06-22 02:29:14,602 INFO L168 Benchmark]: BlockEncodingV2 took 76.60 ms. Allocated memory is still 683.7 MB. Free memory was 632.7 MB in the beginning and 627.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 50.3 GB. [2020-06-22 02:29:14,602 INFO L168 Benchmark]: TraceAbstraction took 153.98 ms. Allocated memory is still 683.7 MB. Free memory was 626.2 MB in the beginning and 618.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. [2020-06-22 02:29:14,603 INFO L168 Benchmark]: BuchiAutomizer took 1458.12 ms. Allocated memory is still 683.7 MB. Free memory was 618.1 MB in the beginning and 460.1 MB in the end (delta: 158.1 MB). Peak memory consumption was 158.1 MB. Max. memory is 50.3 GB. [2020-06-22 02:29:14,607 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 7 locations, 9 edges - StatisticsResult: Encoded RCFG 3 locations, 5 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.4 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 272.38 ms. Allocated memory was 649.6 MB in the beginning and 683.7 MB in the end (delta: 34.1 MB). Free memory was 558.8 MB in the beginning and 650.1 MB in the end (delta: -91.4 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 34.47 ms. Allocated memory is still 683.7 MB. Free memory was 650.1 MB in the beginning and 648.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 18.80 ms. Allocated memory is still 683.7 MB. Free memory was 648.8 MB in the beginning and 645.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 191.66 ms. Allocated memory is still 683.7 MB. Free memory was 645.7 MB in the beginning and 632.7 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 76.60 ms. Allocated memory is still 683.7 MB. Free memory was 632.7 MB in the beginning and 627.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 50.3 GB. * TraceAbstraction took 153.98 ms. Allocated memory is still 683.7 MB. Free memory was 626.2 MB in the beginning and 618.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1458.12 ms. Allocated memory is still 683.7 MB. Free memory was 618.1 MB in the beginning and 460.1 MB in the end (delta: 158.1 MB). Peak memory consumption was 158.1 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: 9]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 0 deterministic, 1 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function -1 * i and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 9 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 3 SDtfs, 8 SDslu, 0 SDs, 0 SdLazy, 27 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital11 mio100 ax213 hnf100 lsp47 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq155 hnf94 smp100 dnf100 smp100 tf110 neg100 sie114 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 9]: Nontermination argument in form of an infinite program execution. [2020-06-22 02:29:14,616 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:29:14,616 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 02:29:14,617 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:29:14,617 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 02:29:14,617 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:29:14,618 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 02:29:14,618 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:29:14,618 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 02:29:14,618 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:29:14,619 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 02:29:14,619 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:29:14,619 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 02:29:14,620 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:29:14,620 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 02:29:14,621 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:29:14,621 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 02:29:14,621 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:29:14,622 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 02:29:14,622 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:29:14,622 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_#t~nondet0|=0, ULTIMATE.start_main_~i~0=0, ~unnamed0~0~false=0, |ULTIMATE.start_main_#res|=0, ~unnamed0~0~true=1} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@656e54d9=0, \result=0, ~unnamed0~0~true=1, ~unnamed0~0~false=0, i=-2} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@656e54d9=0, \result=0, ~unnamed0~0~true=1, ~unnamed0~0~false=0, i=-4} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@656e54d9=0, \result=0, ~unnamed0~0~true=1, ~unnamed0~0~false=0, i=-6} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@656e54d9=0, \result=0, ~unnamed0~0~true=1, ~unnamed0~0~false=0, i=-8} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@656e54d9=0, \result=0, ~unnamed0~0~true=1, ~unnamed0~0~false=0, i=-10} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 1GEVs Lambdas: [1, 10, 9] Mus: [0, 0] - NonterminatingLassoResult [Line: 9]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = __VERIFIER_nondet_int() [L9] COND TRUE i != 0 [L10] COND FALSE !(i < 0) [L14] i = i+1 [L15] i = i*(-1) Loop: [L9] COND TRUE i != 0 [L10] COND TRUE i < 0 [L11] i = i-1 [L12] i = i*(-1) [L9] COND TRUE i != 0 [L10] COND FALSE !(i < 0) [L14] i = i+1 [L15] i = i*(-1) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! !SESSION 2020-06-22 02:29:09.184 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 02:29:14.853 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check