YES Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 06:27:09,942 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 06:27:09,944 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 06:27:09,955 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 06:27:09,955 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 06:27:09,956 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 06:27:09,958 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 06:27:09,959 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 06:27:09,961 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 06:27:09,961 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 06:27:09,962 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 06:27:09,962 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 06:27:09,963 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 06:27:09,964 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 06:27:09,965 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 06:27:09,966 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 06:27:09,966 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 06:27:09,968 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 06:27:09,970 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 06:27:09,971 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 06:27:09,972 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 06:27:09,973 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 06:27:09,976 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 06:27:09,976 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 06:27:09,976 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 06:27:09,977 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 06:27:09,978 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 06:27:09,978 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 06:27:09,979 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 06:27:09,979 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 06:27:09,980 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 06:27:09,981 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 06:27:09,981 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 06:27:09,982 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 06:27:09,982 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 06:27:09,982 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 06:27:09,983 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 06:27:09,984 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 06:27:09,984 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 06:27:09,984 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-06-22 06:27:09,998 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 06:27:09,999 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 06:27:10,000 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 06:27:10,000 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 06:27:10,000 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 06:27:10,000 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 06:27:10,000 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 06:27:10,001 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 06:27:10,001 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 06:27:10,001 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 06:27:10,001 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 06:27:10,001 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 06:27:10,001 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 06:27:10,002 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 06:27:10,002 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:27:10,002 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 06:27:10,002 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 06:27:10,002 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 06:27:10,003 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 06:27:10,003 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 06:27:10,003 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 06:27:10,003 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 06:27:10,003 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 06:27:10,003 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 06:27:10,004 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 06:27:10,004 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 06:27:10,004 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 06:27:10,004 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 06:27:10,004 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 06:27:10,030 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 06:27:10,043 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 06:27:10,046 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 06:27:10,048 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 06:27:10,048 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 06:27:10,049 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 06:27:10,120 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/7a329ec3540f4598bad03df7428fcdf7/FLAG3d84ca335 [2020-06-22 06:27:10,443 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 06:27:10,444 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 06:27:10,450 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/7a329ec3540f4598bad03df7428fcdf7/FLAG3d84ca335 [2020-06-22 06:27:10,864 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/7a329ec3540f4598bad03df7428fcdf7 [2020-06-22 06:27:10,875 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 06:27:10,877 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 06:27:10,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 06:27:10,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 06:27:10,882 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 06:27:10,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 06:27:10" (1/1) ... [2020-06-22 06:27:10,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@452b6e09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:27:10, skipping insertion in model container [2020-06-22 06:27:10,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 06:27:10" (1/1) ... [2020-06-22 06:27:10,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 06:27:10,910 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 06:27:11,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 06:27:11,068 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 06:27:11,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 06:27:11,164 INFO L195 MainTranslator]: Completed translation [2020-06-22 06:27:11,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:27:11 WrapperNode [2020-06-22 06:27:11,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 06:27:11,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 06:27:11,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 06:27:11,165 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 06:27:11,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:27:11" (1/1) ... [2020-06-22 06:27:11,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:27:11" (1/1) ... [2020-06-22 06:27:11,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 06:27:11,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 06:27:11,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 06:27:11,202 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 06:27:11,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:27:11" (1/1) ... [2020-06-22 06:27:11,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:27:11" (1/1) ... [2020-06-22 06:27:11,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:27:11" (1/1) ... [2020-06-22 06:27:11,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:27:11" (1/1) ... [2020-06-22 06:27:11,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:27:11" (1/1) ... [2020-06-22 06:27:11,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:27:11" (1/1) ... [2020-06-22 06:27:11,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:27:11" (1/1) ... [2020-06-22 06:27:11,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 06:27:11,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 06:27:11,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 06:27:11,223 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 06:27:11,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:27:11" (1/1) ... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 06:27:11,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 06:27:11,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 06:27:11,443 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 06:27:11,444 INFO L286 CfgBuilder]: Removed 8 assue(true) statements. [2020-06-22 06:27:11,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:27:11 BoogieIcfgContainer [2020-06-22 06:27:11,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 06:27:11,446 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 06:27:11,446 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 06:27:11,448 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 06:27:11,448 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:27:11" (1/1) ... [2020-06-22 06:27:11,462 INFO L313 BlockEncoder]: Initial Icfg 10 locations, 14 edges [2020-06-22 06:27:11,464 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 06:27:11,464 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 06:27:11,466 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 06:27:11,466 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 06:27:11,468 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 06:27:11,469 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 06:27:11,469 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 06:27:11,483 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 06:27:11,491 INFO L200 BlockEncoder]: SBE split 0 edges [2020-06-22 06:27:11,496 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility [2020-06-22 06:27:11,498 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 06:27:11,516 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2020-06-22 06:27:11,518 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states [2020-06-22 06:27:11,520 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 06:27:11,520 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 06:27:11,523 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-06-22 06:27:11,523 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 06:27:11,523 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 06:27:11,524 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 06:27:11,524 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 06:27:11,524 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 06:27:11,524 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2020-06-22 06:27:11,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 06:27:11 BasicIcfg [2020-06-22 06:27:11,525 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 06:27:11,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 06:27:11,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 06:27:11,530 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 06:27:11,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 06:27:10" (1/4) ... [2020-06-22 06:27:11,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@99d0586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 06:27:11, skipping insertion in model container [2020-06-22 06:27:11,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:27:11" (2/4) ... [2020-06-22 06:27:11,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@99d0586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 06:27:11, skipping insertion in model container [2020-06-22 06:27:11,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:27:11" (3/4) ... [2020-06-22 06:27:11,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@99d0586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:27:11, skipping insertion in model container [2020-06-22 06:27:11,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 06:27:11" (4/4) ... [2020-06-22 06:27:11,534 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 06:27:11,545 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 06:27:11,553 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 06:27:11,571 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 06:27:11,599 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 06:27:11,600 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 06:27:11,600 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 06:27:11,600 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 06:27:11,601 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 06:27:11,601 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 06:27:11,601 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 06:27:11,601 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 06:27:11,601 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 06:27:11,615 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-06-22 06:27:11,621 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 06:27:11,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-06-22 06:27:11,679 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 06:27:11,679 INFO L451 ceAbstractionStarter]: At program point L7-2(lines 7 13) the Hoare annotation is: true [2020-06-22 06:27:11,679 INFO L451 ceAbstractionStarter]: At program point L5-2(lines 5 15) the Hoare annotation is: true [2020-06-22 06:27:11,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:27:11 BasicIcfg [2020-06-22 06:27:11,687 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 06:27:11,688 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 06:27:11,688 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 06:27:11,691 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 06:27:11,692 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 06:27:11,692 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 06:27:10" (1/5) ... [2020-06-22 06:27:11,693 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@490a22d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 06:27:11, skipping insertion in model container [2020-06-22 06:27:11,693 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 06:27:11,693 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:27:11" (2/5) ... [2020-06-22 06:27:11,694 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@490a22d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 06:27:11, skipping insertion in model container [2020-06-22 06:27:11,694 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 06:27:11,694 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:27:11" (3/5) ... [2020-06-22 06:27:11,694 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@490a22d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 06:27:11, skipping insertion in model container [2020-06-22 06:27:11,694 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 06:27:11,695 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 06:27:11" (4/5) ... [2020-06-22 06:27:11,695 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@490a22d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 06:27:11, skipping insertion in model container [2020-06-22 06:27:11,695 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 06:27:11,695 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:27:11" (5/5) ... [2020-06-22 06:27:11,697 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 06:27:11,724 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 06:27:11,724 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 06:27:11,724 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 06:27:11,725 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 06:27:11,725 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 06:27:11,725 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 06:27:11,725 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 06:27:11,725 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 06:27:11,725 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 06:27:11,728 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 06:27:11,745 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 06:27:11,745 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 06:27:11,745 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 06:27:11,750 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 06:27:11,750 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 06:27:11,751 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 06:27:11,751 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 06:27:11,751 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 06:27:11,751 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 06:27:11,751 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 06:27:11,752 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 06:27:11,752 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 06:27:11,757 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [41] ULTIMATE.startENTRY-->L5-2: Formula: (and (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= v_ULTIMATE.start_test_fun_~y_2 |v_ULTIMATE.start_test_fun_#in~y_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_2, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_2|, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x] 5#L5-2true [2020-06-22 06:27:11,757 INFO L796 eck$LassoCheckResult]: Loop: 5#L5-2true [48] L5-2-->L7-2: Formula: (and (<= 0 v_ULTIMATE.start_test_fun_~x_4) (= v_ULTIMATE.start_test_fun_~y_4 1)) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y] 3#L7-2true [56] L7-2-->L5-2: Formula: (and (= (+ v_ULTIMATE.start_test_fun_~x_12 (- 1)) v_ULTIMATE.start_test_fun_~x_11) (<= v_ULTIMATE.start_test_fun_~x_12 v_ULTIMATE.start_test_fun_~y_11)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_11, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_12} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_11, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_11} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~x] 5#L5-2true [2020-06-22 06:27:11,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:27:11,764 INFO L82 PathProgramCache]: Analyzing trace with hash 72, now seen corresponding path program 1 times [2020-06-22 06:27:11,766 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:27:11,766 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:27:11,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:27:11,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:27:11,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:27:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:27:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:27:11,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:27:11,828 INFO L82 PathProgramCache]: Analyzing trace with hash 2505, now seen corresponding path program 1 times [2020-06-22 06:27:11,828 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:27:11,828 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:27:11,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:27:11,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:27:11,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:27:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:27:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:27:11,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:27:11,849 INFO L82 PathProgramCache]: Analyzing trace with hash 70736, now seen corresponding path program 1 times [2020-06-22 06:27:11,850 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:27:11,850 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:27:11,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:27:11,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:27:11,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:27:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:27:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:27:11,905 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 06:27:11,906 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 06:27:11,906 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 06:27:11,906 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 06:27:11,907 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 06:27:11,907 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:27:11,907 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 06:27:11,907 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 06:27:11,907 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 06:27:11,907 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 06:27:11,908 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 06:27:11,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:27:11,990 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 06:27:11,991 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:27:11,998 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:27:11,998 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:27:12,032 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 06:27:12,033 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:27:12,067 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 06:27:12,069 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 06:27:12,069 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 06:27:12,069 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 06:27:12,070 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 06:27:12,070 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 06:27:12,070 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 06:27:12,070 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 06:27:12,070 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 06:27:12,070 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 06:27:12,070 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 06:27:12,071 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 06:27:12,072 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 06:27:12,132 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 06:27:12,138 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 06:27:12,140 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 06:27:12,141 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:27:12,141 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:27:12,142 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:27:12,142 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:27:12,142 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:27:12,145 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:27:12,145 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:27:12,156 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 06:27:12,164 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 06:27:12,164 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2020-06-22 06:27:12,166 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 06:27:12,166 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 06:27:12,167 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 06:27:12,168 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_~x) = 2*ULTIMATE.start_test_fun_~x + 1 Supporting invariants [] [2020-06-22 06:27:12,169 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 06:27:12,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:27:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:27:12,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 06:27:12,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 06:27:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:27:12,224 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 06:27:12,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 06:27:12,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 06:27:12,279 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-22 06:27:12,284 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-06-22 06:27:12,285 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. [2020-06-22 06:27:12,314 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 6 states and 9 transitions. Complement of second has 4 states. [2020-06-22 06:27:12,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-06-22 06:27:12,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 06:27:12,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2020-06-22 06:27:12,318 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 2 letters. [2020-06-22 06:27:12,320 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:27:12,320 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 2 letters. [2020-06-22 06:27:12,320 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:27:12,320 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 4 letters. [2020-06-22 06:27:12,321 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:27:12,326 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 9 transitions. [2020-06-22 06:27:12,327 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 06:27:12,331 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 9 transitions. [2020-06-22 06:27:12,332 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2020-06-22 06:27:12,332 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2020-06-22 06:27:12,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 9 transitions. [2020-06-22 06:27:12,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 06:27:12,333 INFO L706 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2020-06-22 06:27:12,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 9 transitions. [2020-06-22 06:27:12,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 5. [2020-06-22 06:27:12,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-06-22 06:27:12,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. [2020-06-22 06:27:12,362 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. [2020-06-22 06:27:12,362 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. [2020-06-22 06:27:12,362 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 06:27:12,362 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 8 transitions. [2020-06-22 06:27:12,363 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 06:27:12,363 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 06:27:12,363 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 06:27:12,363 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 06:27:12,363 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 06:27:12,364 INFO L794 eck$LassoCheckResult]: Stem: 45#ULTIMATE.startENTRY [41] ULTIMATE.startENTRY-->L5-2: Formula: (and (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= v_ULTIMATE.start_test_fun_~y_2 |v_ULTIMATE.start_test_fun_#in~y_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_2, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_2|, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x] 46#L5-2 [48] L5-2-->L7-2: Formula: (and (<= 0 v_ULTIMATE.start_test_fun_~x_4) (= v_ULTIMATE.start_test_fun_~y_4 1)) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y] 42#L7-2 [2020-06-22 06:27:12,364 INFO L796 eck$LassoCheckResult]: Loop: 42#L7-2 [59] L7-2-->L7-2: Formula: (and (< v_ULTIMATE.start_test_fun_~y_13 v_ULTIMATE.start_test_fun_~x_13) (= (* 2 v_ULTIMATE.start_test_fun_~y_13) v_ULTIMATE.start_test_fun_~y_12) (< 0 v_ULTIMATE.start_test_fun_~y_13)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_13, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_13} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_12, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_13} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y] 42#L7-2 [2020-06-22 06:27:12,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:27:12,364 INFO L82 PathProgramCache]: Analyzing trace with hash 2280, now seen corresponding path program 1 times [2020-06-22 06:27:12,364 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:27:12,364 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:27:12,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:27:12,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:27:12,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:27:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:27:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:27:12,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:27:12,372 INFO L82 PathProgramCache]: Analyzing trace with hash 90, now seen corresponding path program 1 times [2020-06-22 06:27:12,372 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:27:12,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:27:12,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:27:12,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:27:12,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:27:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:27:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:27:12,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:27:12,379 INFO L82 PathProgramCache]: Analyzing trace with hash 70739, now seen corresponding path program 1 times [2020-06-22 06:27:12,379 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:27:12,379 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:27:12,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:27:12,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:27:12,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:27:12,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:27:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:27:12,407 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 06:27:12,407 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 06:27:12,407 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 06:27:12,407 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 06:27:12,407 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 06:27:12,407 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:27:12,408 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 06:27:12,408 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 06:27:12,408 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 06:27:12,408 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 06:27:12,408 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 06:27:12,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:27:12,440 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 06:27:12,441 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:27:12,448 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:27:12,448 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 06:27:12,481 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 06:27:12,481 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:27:12,550 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 06:27:12,552 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 06:27:12,553 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 06:27:12,553 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 06:27:12,553 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 06:27:12,553 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 06:27:12,553 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 06:27:12,553 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 06:27:12,553 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 06:27:12,553 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 06:27:12,554 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 06:27:12,554 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 06:27:12,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:27:12,583 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 06:27:12,583 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 06:27:12,583 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 06:27:12,584 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:27:12,584 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:27:12,585 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:27:12,585 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:27:12,585 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:27:12,586 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:27:12,586 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:27:12,592 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 06:27:12,600 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-06-22 06:27:12,600 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 06:27:12,600 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 06:27:12,600 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 06:27:12,601 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 06:27:12,601 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_~y, ULTIMATE.start_test_fun_~x) = -1*ULTIMATE.start_test_fun_~y + 1*ULTIMATE.start_test_fun_~x Supporting invariants [] [2020-06-22 06:27:12,601 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 06:27:12,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:27:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:27:12,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 06:27:12,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 06:27:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:27:12,631 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-22 06:27:12,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 06:27:12,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 06:27:12,632 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization [2020-06-22 06:27:12,633 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 1 loop predicates [2020-06-22 06:27:12,633 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 5 Second operand 2 states. [2020-06-22 06:27:12,643 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 7 states and 10 transitions. Complement of second has 4 states. [2020-06-22 06:27:12,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-06-22 06:27:12,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-06-22 06:27:12,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2020-06-22 06:27:12,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 2 letters. Loop has 1 letters. [2020-06-22 06:27:12,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:27:12,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 1 letters. [2020-06-22 06:27:12,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:27:12,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 2 letters. Loop has 2 letters. [2020-06-22 06:27:12,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:27:12,647 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 10 transitions. [2020-06-22 06:27:12,647 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 06:27:12,648 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 0 states and 0 transitions. [2020-06-22 06:27:12,648 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-06-22 06:27:12,648 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-06-22 06:27:12,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-06-22 06:27:12,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 06:27:12,648 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 06:27:12,648 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 06:27:12,648 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 06:27:12,648 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2020-06-22 06:27:12,649 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-06-22 06:27:12,649 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 06:27:12,649 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-06-22 06:27:12,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 06:27:12 BasicIcfg [2020-06-22 06:27:12,655 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 06:27:12,655 INFO L168 Benchmark]: Toolchain (without parser) took 1779.63 ms. Allocated memory was 514.9 MB in the beginning and 601.4 MB in the end (delta: 86.5 MB). Free memory was 437.5 MB in the beginning and 458.9 MB in the end (delta: -21.4 MB). Peak memory consumption was 65.1 MB. Max. memory is 50.3 GB. [2020-06-22 06:27:12,657 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 514.9 MB. Free memory is still 456.8 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 06:27:12,658 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.15 ms. Allocated memory was 514.9 MB in the beginning and 601.4 MB in the end (delta: 86.5 MB). Free memory was 436.8 MB in the beginning and 572.9 MB in the end (delta: -136.1 MB). Peak memory consumption was 29.0 MB. Max. memory is 50.3 GB. [2020-06-22 06:27:12,659 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.64 ms. Allocated memory is still 601.4 MB. Free memory was 572.9 MB in the beginning and 571.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 50.3 GB. [2020-06-22 06:27:12,659 INFO L168 Benchmark]: Boogie Preprocessor took 19.83 ms. Allocated memory is still 601.4 MB. Free memory was 571.2 MB in the beginning and 569.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. [2020-06-22 06:27:12,660 INFO L168 Benchmark]: RCFGBuilder took 222.92 ms. Allocated memory is still 601.4 MB. Free memory was 569.0 MB in the beginning and 558.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 50.3 GB. [2020-06-22 06:27:12,660 INFO L168 Benchmark]: BlockEncodingV2 took 79.93 ms. Allocated memory is still 601.4 MB. Free memory was 558.5 MB in the beginning and 552.6 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 50.3 GB. [2020-06-22 06:27:12,661 INFO L168 Benchmark]: TraceAbstraction took 161.12 ms. Allocated memory is still 601.4 MB. Free memory was 552.6 MB in the beginning and 543.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 50.3 GB. [2020-06-22 06:27:12,662 INFO L168 Benchmark]: BuchiAutomizer took 966.90 ms. Allocated memory is still 601.4 MB. Free memory was 543.3 MB in the beginning and 458.9 MB in the end (delta: 84.5 MB). Peak memory consumption was 84.5 MB. Max. memory is 50.3 GB. [2020-06-22 06:27:12,666 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 10 locations, 14 edges - StatisticsResult: Encoded RCFG 3 locations, 4 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 514.9 MB. Free memory is still 456.8 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 287.15 ms. Allocated memory was 514.9 MB in the beginning and 601.4 MB in the end (delta: 86.5 MB). Free memory was 436.8 MB in the beginning and 572.9 MB in the end (delta: -136.1 MB). Peak memory consumption was 29.0 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 36.64 ms. Allocated memory is still 601.4 MB. Free memory was 572.9 MB in the beginning and 571.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 19.83 ms. Allocated memory is still 601.4 MB. Free memory was 571.2 MB in the beginning and 569.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. * RCFGBuilder took 222.92 ms. Allocated memory is still 601.4 MB. Free memory was 569.0 MB in the beginning and 558.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 79.93 ms. Allocated memory is still 601.4 MB. Free memory was 558.5 MB in the beginning and 552.6 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 50.3 GB. * TraceAbstraction took 161.12 ms. Allocated memory is still 601.4 MB. Free memory was 552.6 MB in the beginning and 543.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 966.90 ms. Allocated memory is still 601.4 MB. Free memory was 543.3 MB in the beginning and 458.9 MB in the end (delta: 84.5 MB). Peak memory consumption was 84.5 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 7]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5]: 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function 2 * x + 1 and consists of 3 locations. One nondeterministic module has affine ranking function -1 * y + x and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 5 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 11 SDslu, 0 SDs, 0 SdLazy, 13 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq154 hnf93 smp100 dnf100 smp100 tf109 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 28ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-06-22 06:27:07.572 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 06:27:12.897 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check