NO Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 01:47:55,262 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 01:47:55,264 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 01:47:55,275 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 01:47:55,276 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 01:47:55,277 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 01:47:55,278 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 01:47:55,279 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 01:47:55,281 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 01:47:55,282 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 01:47:55,282 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 01:47:55,283 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 01:47:55,284 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 01:47:55,284 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 01:47:55,285 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 01:47:55,286 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 01:47:55,287 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 01:47:55,289 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 01:47:55,291 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 01:47:55,292 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 01:47:55,293 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 01:47:55,294 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 01:47:55,296 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 01:47:55,297 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 01:47:55,297 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 01:47:55,297 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 01:47:55,298 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 01:47:55,299 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 01:47:55,299 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 01:47:55,300 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 01:47:55,300 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 01:47:55,301 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 01:47:55,302 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 01:47:55,302 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 01:47:55,303 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 01:47:55,303 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 01:47:55,303 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 01:47:55,304 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 01:47:55,305 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 01:47:55,305 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-22 01:47:55,319 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 01:47:55,320 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 01:47:55,321 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 01:47:55,321 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 01:47:55,321 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 01:47:55,321 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 01:47:55,321 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 01:47:55,321 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 01:47:55,322 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 01:47:55,322 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 01:47:55,322 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 01:47:55,322 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 01:47:55,322 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 01:47:55,323 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 01:47:55,323 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:47:55,323 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 01:47:55,323 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 01:47:55,323 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 01:47:55,323 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 01:47:55,324 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 01:47:55,324 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 01:47:55,324 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 01:47:55,324 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 01:47:55,324 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 01:47:55,325 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 01:47:55,325 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 01:47:55,325 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 01:47:55,325 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 01:47:55,325 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 01:47:55,350 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 01:47:55,363 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 01:47:55,367 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 01:47:55,368 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 01:47:55,368 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 01:47:55,369 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 01:47:55,432 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/70d875598b994045a859cf2aca34fcb2/FLAG13839ddb7 [2020-06-22 01:47:55,780 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 01:47:55,781 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 01:47:55,787 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/70d875598b994045a859cf2aca34fcb2/FLAG13839ddb7 [2020-06-22 01:47:56,179 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/70d875598b994045a859cf2aca34fcb2 [2020-06-22 01:47:56,190 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 01:47:56,192 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 01:47:56,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 01:47:56,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 01:47:56,197 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 01:47:56,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 01:47:56" (1/1) ... [2020-06-22 01:47:56,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f907c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:47:56, skipping insertion in model container [2020-06-22 01:47:56,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 01:47:56" (1/1) ... [2020-06-22 01:47:56,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 01:47:56,225 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 01:47:56,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 01:47:56,382 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 01:47:56,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 01:47:56,467 INFO L195 MainTranslator]: Completed translation [2020-06-22 01:47:56,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:47:56 WrapperNode [2020-06-22 01:47:56,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 01:47:56,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 01:47:56,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 01:47:56,469 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 01:47:56,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:47:56" (1/1) ... [2020-06-22 01:47:56,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:47:56" (1/1) ... [2020-06-22 01:47:56,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 01:47:56,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 01:47:56,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 01:47:56,502 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 01:47:56,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:47:56" (1/1) ... [2020-06-22 01:47:56,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:47:56" (1/1) ... [2020-06-22 01:47:56,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:47:56" (1/1) ... [2020-06-22 01:47:56,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:47:56" (1/1) ... [2020-06-22 01:47:56,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:47:56" (1/1) ... [2020-06-22 01:47:56,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:47:56" (1/1) ... [2020-06-22 01:47:56,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:47:56" (1/1) ... [2020-06-22 01:47:56,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 01:47:56,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 01:47:56,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 01:47:56,521 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 01:47:56,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:47:56" (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 01:47:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 01:47:56,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 01:47:56,718 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 01:47:56,718 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2020-06-22 01:47:56,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:47:56 BoogieIcfgContainer [2020-06-22 01:47:56,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 01:47:56,720 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 01:47:56,720 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 01:47:56,722 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 01:47:56,723 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:47:56" (1/1) ... [2020-06-22 01:47:56,737 INFO L313 BlockEncoder]: Initial Icfg 10 locations, 15 edges [2020-06-22 01:47:56,739 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 01:47:56,739 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 01:47:56,740 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 01:47:56,740 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 01:47:56,742 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 01:47:56,743 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 01:47:56,743 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 01:47:56,759 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 01:47:56,775 INFO L200 BlockEncoder]: SBE split 4 edges [2020-06-22 01:47:56,780 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-22 01:47:56,781 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 01:47:56,793 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2020-06-22 01:47:56,795 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-06-22 01:47:56,797 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 01:47:56,797 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 01:47:56,797 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 01:47:56,798 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 01:47:56,798 INFO L313 BlockEncoder]: Encoded RCFG 6 locations, 14 edges [2020-06-22 01:47:56,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 01:47:56 BasicIcfg [2020-06-22 01:47:56,798 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 01:47:56,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 01:47:56,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 01:47:56,803 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 01:47:56,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 01:47:56" (1/4) ... [2020-06-22 01:47:56,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69122a73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 01:47:56, skipping insertion in model container [2020-06-22 01:47:56,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:47:56" (2/4) ... [2020-06-22 01:47:56,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69122a73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 01:47:56, skipping insertion in model container [2020-06-22 01:47:56,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:47:56" (3/4) ... [2020-06-22 01:47:56,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69122a73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 01:47:56, skipping insertion in model container [2020-06-22 01:47:56,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 01:47:56" (4/4) ... [2020-06-22 01:47:56,806 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 01:47:56,816 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 01:47:56,826 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 01:47:56,843 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 01:47:56,870 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 01:47:56,871 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 01:47:56,871 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 01:47:56,871 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 01:47:56,871 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 01:47:56,872 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 01:47:56,872 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 01:47:56,872 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 01:47:56,872 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 01:47:56,886 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2020-06-22 01:47:56,892 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 01:47:56,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-06-22 01:47:56,942 INFO L448 ceAbstractionStarter]: For program point L17(lines 17 25) no Hoare annotation was computed. [2020-06-22 01:47:56,943 INFO L448 ceAbstractionStarter]: For program point L15(lines 15 25) no Hoare annotation was computed. [2020-06-22 01:47:56,943 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 01:47:56,943 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 25) no Hoare annotation was computed. [2020-06-22 01:47:56,943 INFO L451 ceAbstractionStarter]: At program point L21-2(lines 14 26) the Hoare annotation is: true [2020-06-22 01:47:56,943 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 25) no Hoare annotation was computed. [2020-06-22 01:47:56,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 01:47:56 BasicIcfg [2020-06-22 01:47:56,952 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 01:47:56,952 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 01:47:56,952 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 01:47:56,955 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 01:47:56,956 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 01:47:56,956 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 01:47:56" (1/5) ... [2020-06-22 01:47:56,957 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18cfd1a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 01:47:56, skipping insertion in model container [2020-06-22 01:47:56,957 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 01:47:56,957 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:47:56" (2/5) ... [2020-06-22 01:47:56,958 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18cfd1a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 01:47:56, skipping insertion in model container [2020-06-22 01:47:56,958 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 01:47:56,958 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:47:56" (3/5) ... [2020-06-22 01:47:56,959 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18cfd1a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 01:47:56, skipping insertion in model container [2020-06-22 01:47:56,959 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 01:47:56,959 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 01:47:56" (4/5) ... [2020-06-22 01:47:56,959 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18cfd1a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 01:47:56, skipping insertion in model container [2020-06-22 01:47:56,959 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 01:47:56,959 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 01:47:56" (5/5) ... [2020-06-22 01:47:56,961 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 01:47:56,987 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 01:47:56,987 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 01:47:56,987 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 01:47:56,987 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 01:47:56,988 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 01:47:56,988 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 01:47:56,988 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 01:47:56,988 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 01:47:56,988 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 01:47:56,991 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-06-22 01:47:57,008 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-06-22 01:47:57,009 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 01:47:57,009 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 01:47:57,015 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 01:47:57,016 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 01:47:57,016 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 01:47:57,016 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-06-22 01:47:57,017 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-06-22 01:47:57,017 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 01:47:57,017 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 01:47:57,017 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 01:47:57,018 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 01:47:57,022 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue [43] ULTIMATE.startENTRY-->L21-2: Formula: (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~x~0] 7#L21-2true [2020-06-22 01:47:57,023 INFO L796 eck$LassoCheckResult]: Loop: 7#L21-2true [50] L21-2-->L15: Formula: (<= 0 v_ULTIMATE.start_main_~x~0_7) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 3#L15true [59] L15-->L21-2: Formula: (and (> 0 |v_ULTIMATE.start_main_#t~nondet1_3|) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 1))) InVars {ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_3|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_2|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~x~0] 7#L21-2true [2020-06-22 01:47:57,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 01:47:57,029 INFO L82 PathProgramCache]: Analyzing trace with hash 74, now seen corresponding path program 1 times [2020-06-22 01:47:57,031 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 01:47:57,031 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 01:47:57,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 01:47:57,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 01:47:57,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 01:47:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 01:47:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 01:47:57,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 01:47:57,097 INFO L82 PathProgramCache]: Analyzing trace with hash 2570, now seen corresponding path program 1 times [2020-06-22 01:47:57,097 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 01:47:57,097 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 01:47:57,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 01:47:57,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 01:47:57,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 01:47:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 01:47:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 01:47:57,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 01:47:57,110 INFO L82 PathProgramCache]: Analyzing trace with hash 72723, now seen corresponding path program 1 times [2020-06-22 01:47:57,110 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 01:47:57,110 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 01:47:57,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 01:47:57,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 01:47:57,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 01:47:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 01:47:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 01:47:57,165 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 01:47:57,167 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 01:47:57,167 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 01:47:57,167 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 01:47:57,167 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 01:47:57,167 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:47:57,167 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 01:47:57,168 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 01:47:57,168 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 01:47:57,168 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 01:47:57,168 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 01:47:57,187 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 01:47:57,196 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 01:47:57,201 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 01:47:57,213 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 01:47:57,306 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 01:47:57,307 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 01:47:57,316 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:47:57,316 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:47:57,349 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 01:47:57,349 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 01:47:57,356 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:47:57,356 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:47:57,383 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 01:47:57,383 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 01:47:57,389 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:47:57,389 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:47:57,416 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 01:47:57,417 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=-1} Honda state: {ULTIMATE.start_main_#t~nondet1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:47:57,422 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:47:57,423 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 01:47:57,454 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 01:47:57,455 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:47:57,466 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 01:47:57,467 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~x~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~x~0=0}] Lambdas: [0, 1, 0] Nus: [0, 0] [2020-06-22 01:47:57,501 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 01:47:57,501 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 01:47:57,501 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 01:47:57,502 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 01:47:57,502 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 01:47:57,502 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:47:57,502 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 01:47:57,502 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 01:47:57,502 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-06-22 01:47:57,502 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 01:47:57,502 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 01:47:57,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 01:47:57,509 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 01:47:57,520 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 01:47:57,523 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 01:47:57,526 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 01:47:57,529 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 01:47:57,531 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 01:47:57,540 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 01:47:57,567 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 01:47:57,644 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 01:47:57,644 INFO L412 LassoAnalysis]: Checking for nontermination... 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 01:47:57,652 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:47:57,652 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:47:57,656 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 01:47:57,656 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 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 01:47:57,684 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:47:57,684 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:47:57,711 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 01:47:57,711 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:47:57,717 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:47:57,717 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:47:57,721 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 01:47:57,721 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 01:47:57,748 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:47:57,749 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:47:57,752 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 01:47:57,753 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 01:47:57,780 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:47:57,781 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:47:57,784 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 01:47:57,784 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4=0} Honda state: {ULTIMATE.start_main_#t~nondet4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:47:57,812 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:47:57,812 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:47:57,816 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 01:47:57,816 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=0} Honda state: {ULTIMATE.start_main_#t~nondet3=0} 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 01:47:57,843 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:47:57,844 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:47:57,870 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 01:47:57,871 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=-1} Honda state: {ULTIMATE.start_main_#t~nondet1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 01:47:57,876 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:47:57,876 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 01:47:57,907 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 01:47:57,907 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:47:57,918 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 01:47:57,918 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~x~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~x~0=0}] Lambdas: [0, 1, 0] Nus: [0, 0] 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 01:47:57,946 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:47:57,946 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:47:57,973 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 01:47:57,973 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_2=1} Honda state: {v_rep~unnamed0~0~true_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2020-06-22 01:47:57,985 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:47:57,988 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 01:47:57,989 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:47:57,989 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 01:47:57,990 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:47:57,990 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 01:47:57,991 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:47:57,991 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 01:47:57,992 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:47:57,992 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 01:47:58,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 01:47:58 BasicIcfg [2020-06-22 01:47:58,002 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 01:47:58,003 INFO L168 Benchmark]: Toolchain (without parser) took 1811.83 ms. Allocated memory was 649.6 MB in the beginning and 673.2 MB in the end (delta: 23.6 MB). Free memory was 559.5 MB in the beginning and 504.9 MB in the end (delta: 54.6 MB). Peak memory consumption was 78.2 MB. Max. memory is 50.3 GB. [2020-06-22 01:47:58,005 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 01:47:58,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.90 ms. Allocated memory was 649.6 MB in the beginning and 673.2 MB in the end (delta: 23.6 MB). Free memory was 558.4 MB in the beginning and 638.9 MB in the end (delta: -80.5 MB). Peak memory consumption was 29.3 MB. Max. memory is 50.3 GB. [2020-06-22 01:47:58,006 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.30 ms. Allocated memory is still 673.2 MB. Free memory was 638.9 MB in the beginning and 636.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. [2020-06-22 01:47:58,006 INFO L168 Benchmark]: Boogie Preprocessor took 18.85 ms. Allocated memory is still 673.2 MB. Free memory was 636.1 MB in the beginning and 635.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-06-22 01:47:58,007 INFO L168 Benchmark]: RCFGBuilder took 198.57 ms. Allocated memory is still 673.2 MB. Free memory was 635.0 MB in the beginning and 621.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 50.3 GB. [2020-06-22 01:47:58,008 INFO L168 Benchmark]: BlockEncodingV2 took 78.65 ms. Allocated memory is still 673.2 MB. Free memory was 621.8 MB in the beginning and 616.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-06-22 01:47:58,008 INFO L168 Benchmark]: TraceAbstraction took 152.45 ms. Allocated memory is still 673.2 MB. Free memory was 615.3 MB in the beginning and 606.7 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. [2020-06-22 01:47:58,009 INFO L168 Benchmark]: BuchiAutomizer took 1050.15 ms. Allocated memory is still 673.2 MB. Free memory was 606.7 MB in the beginning and 504.9 MB in the end (delta: 101.9 MB). Peak memory consumption was 101.9 MB. Max. memory is 50.3 GB. [2020-06-22 01:47:58,013 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 10 locations, 15 edges - StatisticsResult: Encoded RCFG 6 locations, 14 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 274.90 ms. Allocated memory was 649.6 MB in the beginning and 673.2 MB in the end (delta: 23.6 MB). Free memory was 558.4 MB in the beginning and 638.9 MB in the end (delta: -80.5 MB). Peak memory consumption was 29.3 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 33.30 ms. Allocated memory is still 673.2 MB. Free memory was 638.9 MB in the beginning and 636.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 18.85 ms. Allocated memory is still 673.2 MB. Free memory was 636.1 MB in the beginning and 635.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 198.57 ms. Allocated memory is still 673.2 MB. Free memory was 635.0 MB in the beginning and 621.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 78.65 ms. Allocated memory is still 673.2 MB. Free memory was 621.8 MB in the beginning and 616.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 152.45 ms. Allocated memory is still 673.2 MB. Free memory was 615.3 MB in the beginning and 606.7 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1050.15 ms. Allocated memory is still 673.2 MB. Free memory was 606.7 MB in the beginning and 504.9 MB in the end (delta: 101.9 MB). Peak memory consumption was 101.9 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: 14]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 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=6occurred 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 Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax192 hnf100 lsp40 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 11 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 14]: Nontermination argument in form of an infinite program execution. [2020-06-22 01:47:58,023 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:47:58,023 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 01:47:58,024 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:47:58,024 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 01:47:58,025 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:47:58,025 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 01:47:58,025 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:47:58,026 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 01:47:58,026 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:47:58,026 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 01:47:58,027 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:47:58,027 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 01:47:58,028 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:47:58,028 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 01:47:58,028 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:47:58,029 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 01:47:58,029 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:47:58,030 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 01:47:58,030 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:47:58,030 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_#t~nondet1|=-1, ~unnamed0~0~true=1, |ULTIMATE.start_main_#t~nondet4|=0, |ULTIMATE.start_main_#res|=0, |ULTIMATE.start_main_#t~nondet2|=0, |ULTIMATE.start_main_#t~nondet3|=0, ~unnamed0~0~false=0, ULTIMATE.start_main_~x~0=0} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73faf1da=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b4b577f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d14b9bb=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@555f83bb=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@326b526e=0, ~unnamed0~0~false=0, x=0} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73faf1da=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b4b577f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d14b9bb=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@555f83bb=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@326b526e=0, ~unnamed0~0~false=0, x=1} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73faf1da=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b4b577f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d14b9bb=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@555f83bb=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@326b526e=0, ~unnamed0~0~false=0, x=2} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73faf1da=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b4b577f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d14b9bb=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@555f83bb=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@326b526e=0, ~unnamed0~0~false=0, x=3} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73faf1da=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b4b577f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d14b9bb=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@555f83bb=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@326b526e=0, ~unnamed0~0~false=0, x=4} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 1GEVs Lambdas: [0, 1, 0] Mus: [0, 0] - NonterminatingLassoResult [Line: 14]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L12] int x; [L13] x = __VERIFIER_nondet_int() Loop: [L14] COND TRUE x >= 0 [L15] COND TRUE __VERIFIER_nondet_int() != 0 [L16] x = x + 1 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! !SESSION 2020-06-22 01:47:52.928 ----------------------------------------------- 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 01:47:58.263 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check