YES Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 00:29:25,529 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 00:29:25,531 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 00:29:25,543 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 00:29:25,543 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 00:29:25,544 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 00:29:25,545 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 00:29:25,547 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 00:29:25,548 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 00:29:25,549 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 00:29:25,550 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 00:29:25,550 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 00:29:25,551 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 00:29:25,552 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 00:29:25,553 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 00:29:25,553 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 00:29:25,554 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 00:29:25,556 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 00:29:25,558 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 00:29:25,559 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 00:29:25,560 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 00:29:25,561 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 00:29:25,563 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 00:29:25,563 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 00:29:25,563 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 00:29:25,564 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 00:29:25,565 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 00:29:25,565 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 00:29:25,566 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 00:29:25,567 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 00:29:25,568 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 00:29:25,569 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 00:29:25,569 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 00:29:25,570 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 00:29:25,570 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 00:29:25,570 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 00:29:25,571 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 00:29:25,572 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 00:29:25,572 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 00:29:25,572 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-22 00:29:25,587 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 00:29:25,587 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 00:29:25,588 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 00:29:25,588 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 00:29:25,589 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 00:29:25,589 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 00:29:25,589 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 00:29:25,589 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 00:29:25,589 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 00:29:25,589 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 00:29:25,589 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 00:29:25,590 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 00:29:25,590 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 00:29:25,590 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 00:29:25,590 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 00:29:25,590 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 00:29:25,590 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 00:29:25,591 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 00:29:25,591 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 00:29:25,591 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 00:29:25,591 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 00:29:25,591 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 00:29:25,591 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 00:29:25,592 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 00:29:25,592 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 00:29:25,592 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 00:29:25,592 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 00:29:25,592 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 00:29:25,592 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 00:29:25,617 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 00:29:25,630 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 00:29:25,634 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 00:29:25,635 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 00:29:25,635 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 00:29:25,636 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 00:29:25,708 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/640716655d4d4a908e118f8001ecd30a/FLAG04f7427b8 [2020-06-22 00:29:26,033 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 00:29:26,034 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 00:29:26,040 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/640716655d4d4a908e118f8001ecd30a/FLAG04f7427b8 [2020-06-22 00:29:26,470 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/640716655d4d4a908e118f8001ecd30a [2020-06-22 00:29:26,482 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 00:29:26,483 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 00:29:26,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 00:29:26,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 00:29:26,488 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 00:29:26,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 12:29:26" (1/1) ... [2020-06-22 00:29:26,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e9cf14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:29:26, skipping insertion in model container [2020-06-22 00:29:26,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 12:29:26" (1/1) ... [2020-06-22 00:29:26,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 00:29:26,518 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 00:29:26,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 00:29:26,681 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 00:29:26,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 00:29:26,772 INFO L195 MainTranslator]: Completed translation [2020-06-22 00:29:26,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:29:26 WrapperNode [2020-06-22 00:29:26,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 00:29:26,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 00:29:26,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 00:29:26,774 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 00:29:26,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:29:26" (1/1) ... [2020-06-22 00:29:26,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:29:26" (1/1) ... [2020-06-22 00:29:26,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 00:29:26,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 00:29:26,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 00:29:26,808 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 00:29:26,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:29:26" (1/1) ... [2020-06-22 00:29:26,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:29:26" (1/1) ... [2020-06-22 00:29:26,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:29:26" (1/1) ... [2020-06-22 00:29:26,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:29:26" (1/1) ... [2020-06-22 00:29:26,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:29:26" (1/1) ... [2020-06-22 00:29:26,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:29:26" (1/1) ... [2020-06-22 00:29:26,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:29:26" (1/1) ... [2020-06-22 00:29:26,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 00:29:26,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 00:29:26,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 00:29:26,825 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 00:29:26,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:29:26" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 00:29:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 00:29:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 00:29:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure id [2020-06-22 00:29:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2020-06-22 00:29:27,019 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 00:29:27,020 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. [2020-06-22 00:29:27,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:29:27 BoogieIcfgContainer [2020-06-22 00:29:27,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 00:29:27,022 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 00:29:27,022 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 00:29:27,024 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 00:29:27,025 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:29:27" (1/1) ... [2020-06-22 00:29:27,039 INFO L313 BlockEncoder]: Initial Icfg 14 locations, 16 edges [2020-06-22 00:29:27,041 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 00:29:27,041 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 00:29:27,042 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 00:29:27,042 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 00:29:27,044 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 00:29:27,045 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 00:29:27,045 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 00:29:27,059 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 00:29:27,072 INFO L200 BlockEncoder]: SBE split 2 edges [2020-06-22 00:29:27,077 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-22 00:29:27,079 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 00:29:27,086 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-06-22 00:29:27,088 INFO L70 RemoveSinkStates]: Removed 6 edges and 5 locations by removing sink states [2020-06-22 00:29:27,090 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 00:29:27,090 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 00:29:27,091 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 00:29:27,091 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 00:29:27,091 INFO L313 BlockEncoder]: Encoded RCFG 8 locations, 10 edges [2020-06-22 00:29:27,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 12:29:27 BasicIcfg [2020-06-22 00:29:27,092 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 00:29:27,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 00:29:27,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 00:29:27,096 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 00:29:27,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 12:29:26" (1/4) ... [2020-06-22 00:29:27,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d1e3fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 12:29:27, skipping insertion in model container [2020-06-22 00:29:27,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:29:26" (2/4) ... [2020-06-22 00:29:27,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d1e3fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 12:29:27, skipping insertion in model container [2020-06-22 00:29:27,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:29:27" (3/4) ... [2020-06-22 00:29:27,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d1e3fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 12:29:27, skipping insertion in model container [2020-06-22 00:29:27,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 12:29:27" (4/4) ... [2020-06-22 00:29:27,100 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 00:29:27,110 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 00:29:27,117 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 00:29:27,134 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 00:29:27,161 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 00:29:27,162 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 00:29:27,162 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 00:29:27,162 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 00:29:27,163 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 00:29:27,163 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 00:29:27,163 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 00:29:27,163 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 00:29:27,163 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 00:29:27,180 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2020-06-22 00:29:27,185 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 00:29:27,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-06-22 00:29:27,246 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 00:29:27,247 INFO L451 ceAbstractionStarter]: At program point L11(line 11) the Hoare annotation is: true [2020-06-22 00:29:27,247 INFO L448 ceAbstractionStarter]: For program point idFINAL(lines 4 7) no Hoare annotation was computed. [2020-06-22 00:29:27,247 INFO L448 ceAbstractionStarter]: For program point idEXIT(lines 4 7) no Hoare annotation was computed. [2020-06-22 00:29:27,247 INFO L451 ceAbstractionStarter]: At program point idENTRY(lines 4 7) the Hoare annotation is: true [2020-06-22 00:29:27,247 INFO L451 ceAbstractionStarter]: At program point L6(line 6) the Hoare annotation is: true [2020-06-22 00:29:27,248 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2020-06-22 00:29:27,248 INFO L448 ceAbstractionStarter]: For program point L6-1(line 6) no Hoare annotation was computed. [2020-06-22 00:29:27,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 12:29:27 BasicIcfg [2020-06-22 00:29:27,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 00:29:27,252 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 00:29:27,252 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 00:29:27,255 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 00:29:27,256 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 00:29:27,256 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 12:29:26" (1/5) ... [2020-06-22 00:29:27,257 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@690420ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 12:29:27, skipping insertion in model container [2020-06-22 00:29:27,257 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 00:29:27,257 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:29:26" (2/5) ... [2020-06-22 00:29:27,258 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@690420ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 12:29:27, skipping insertion in model container [2020-06-22 00:29:27,258 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 00:29:27,258 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:29:27" (3/5) ... [2020-06-22 00:29:27,258 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@690420ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 12:29:27, skipping insertion in model container [2020-06-22 00:29:27,258 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 00:29:27,258 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 12:29:27" (4/5) ... [2020-06-22 00:29:27,259 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@690420ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 12:29:27, skipping insertion in model container [2020-06-22 00:29:27,259 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 00:29:27,259 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 12:29:27" (5/5) ... [2020-06-22 00:29:27,260 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 00:29:27,290 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 00:29:27,290 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 00:29:27,290 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 00:29:27,290 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 00:29:27,290 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 00:29:27,291 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 00:29:27,291 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 00:29:27,291 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 00:29:27,291 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 00:29:27,295 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2020-06-22 00:29:27,314 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-06-22 00:29:27,314 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 00:29:27,314 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 00:29:27,321 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 00:29:27,321 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-06-22 00:29:27,322 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 00:29:27,322 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2020-06-22 00:29:27,323 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-06-22 00:29:27,323 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 00:29:27,323 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 00:29:27,323 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 00:29:27,324 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-06-22 00:29:27,329 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [29] ULTIMATE.startENTRY-->L11: Formula: (= v_ULTIMATE.start_main_~input~0_1 10) InVars {} OutVars{ULTIMATE.start_main_#t~ret1=|v_ULTIMATE.start_main_#t~ret1_1|, ULTIMATE.start_main_~input~0=v_ULTIMATE.start_main_~input~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~result~0=v_ULTIMATE.start_main_~result~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ret1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~input~0, ULTIMATE.start_main_~result~0] 5#L11true [30] L11-->idENTRY: Formula: (= |v_id_#in~xInParam_1| v_ULTIMATE.start_main_~input~0_5) InVars {ULTIMATE.start_main_~input~0=v_ULTIMATE.start_main_~input~0_5} OutVars{id_#in~x=|v_id_#in~xInParam_1|} AuxVars[] AssignedVars[id_#in~x]< 7#idENTRYtrue [2020-06-22 00:29:27,329 INFO L796 eck$LassoCheckResult]: Loop: 7#idENTRYtrue [31] idENTRY-->L5: Formula: (= v_id_~x_4 |v_id_#in~x_1|) InVars {id_#in~x=|v_id_#in~x_1|} OutVars{id_#in~x=|v_id_#in~x_1|, id_~x=v_id_~x_4} AuxVars[] AssignedVars[id_~x] 9#L5true [44] L5-->L6: Formula: (< 0 v_id_~x_2) InVars {id_~x=v_id_~x_2} OutVars{id_~x=v_id_~x_2} AuxVars[] AssignedVars[] 8#L6true [34] L6-->idENTRY: Formula: (= |v_id_#in~xInParam_2| (+ v_id_~x_5 (- 1))) InVars {id_~x=v_id_~x_5} OutVars{id_#in~x=|v_id_#in~xInParam_2|} AuxVars[] AssignedVars[id_#in~x]< 7#idENTRYtrue [2020-06-22 00:29:27,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 00:29:27,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1890, now seen corresponding path program 1 times [2020-06-22 00:29:27,337 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 00:29:27,338 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 00:29:27,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:29:27,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 00:29:27,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:29:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 00:29:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 00:29:27,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 00:29:27,406 INFO L82 PathProgramCache]: Analyzing trace with hash 60980, now seen corresponding path program 1 times [2020-06-22 00:29:27,407 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 00:29:27,407 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 00:29:27,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:29:27,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 00:29:27,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:29:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 00:29:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 00:29:27,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 00:29:27,419 INFO L82 PathProgramCache]: Analyzing trace with hash 56336179, now seen corresponding path program 1 times [2020-06-22 00:29:27,419 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 00:29:27,419 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 00:29:27,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:29:27,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 00:29:27,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:29:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 00:29:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 00:29:27,505 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 00:29:27,506 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 00:29:27,506 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 00:29:27,506 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 00:29:27,507 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 00:29:27,507 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 00:29:27,507 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 00:29:27,507 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 00:29:27,507 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 00:29:27,507 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 00:29:27,508 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 00:29:27,525 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 00:29:27,533 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 00:29:27,536 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 00:29:27,545 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 00:29:27,591 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 00:29:27,591 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 00:29:27,598 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 00:29:27,598 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 00:29:27,609 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 00:29:27,609 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#t~ret0=0} Honda state: {id_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 00:29:27,637 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 00:29:27,637 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 00:29:27,641 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 00:29:27,641 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=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 00:29:27,668 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 00:29:27,669 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 00:29:27,699 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 00:29:27,699 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 00:29:27,730 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 00:29:27,732 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 00:29:27,732 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 00:29:27,733 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 00:29:27,733 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 00:29:27,733 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 00:29:27,733 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 00:29:27,733 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 00:29:27,733 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 00:29:27,733 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 00:29:27,734 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 00:29:27,734 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 00:29:27,735 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 00:29:27,738 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 00:29:27,741 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 00:29:27,749 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 00:29:27,799 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 00:29:27,806 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 00:29:27,808 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 00:29:27,809 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 00:29:27,809 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 00:29:27,810 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 00:29:27,810 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 00:29:27,810 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 00:29:27,813 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 00:29:27,813 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 00:29:27,817 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 00:29:27,818 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 00:29:27,819 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 00:29:27,819 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 00:29:27,819 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 00:29:27,819 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 00:29:27,819 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 00:29:27,820 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 00:29:27,820 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 00:29:27,822 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 00:29:27,822 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 00:29:27,823 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 00:29:27,823 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 00:29:27,823 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 00:29:27,823 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 00:29:27,823 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 00:29:27,824 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 00:29:27,824 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 00:29:27,830 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 00:29:27,836 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 00:29:27,836 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 00:29:27,838 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 00:29:27,838 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 00:29:27,838 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 00:29:27,839 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(id_#in~x) = 1*id_#in~x Supporting invariants [] [2020-06-22 00:29:27,840 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 00:29:27,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 00:29:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 00:29:27,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 00:29:27,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 00:29:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 00:29:27,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 7 conjunts are in the unsatisfiable core [2020-06-22 00:29:27,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 00:29:27,954 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 00:29:27,976 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization [2020-06-22 00:29:27,981 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-06-22 00:29:27,982 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 8 states. Second operand 4 states. [2020-06-22 00:29:28,086 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 8 states.. Second operand 4 states. Result 57 states and 82 transitions. Complement of second has 24 states. [2020-06-22 00:29:28,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2020-06-22 00:29:28,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-06-22 00:29:28,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 23 transitions. [2020-06-22 00:29:28,093 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 23 transitions. Stem has 2 letters. Loop has 3 letters. [2020-06-22 00:29:28,095 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 00:29:28,095 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 23 transitions. Stem has 5 letters. Loop has 3 letters. [2020-06-22 00:29:28,095 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 00:29:28,095 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 23 transitions. Stem has 2 letters. Loop has 6 letters. [2020-06-22 00:29:28,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 00:29:28,105 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 82 transitions. [2020-06-22 00:29:28,111 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-06-22 00:29:28,116 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 21 states and 26 transitions. [2020-06-22 00:29:28,117 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-06-22 00:29:28,118 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-06-22 00:29:28,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 26 transitions. [2020-06-22 00:29:28,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 00:29:28,119 INFO L706 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2020-06-22 00:29:28,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 26 transitions. [2020-06-22 00:29:28,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 11. [2020-06-22 00:29:28,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-06-22 00:29:28,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2020-06-22 00:29:28,150 INFO L729 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2020-06-22 00:29:28,150 INFO L609 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2020-06-22 00:29:28,150 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 00:29:28,150 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2020-06-22 00:29:28,151 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-06-22 00:29:28,151 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 00:29:28,151 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 00:29:28,151 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-06-22 00:29:28,151 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-06-22 00:29:28,152 INFO L794 eck$LassoCheckResult]: Stem: 130#ULTIMATE.startENTRY [29] ULTIMATE.startENTRY-->L11: Formula: (= v_ULTIMATE.start_main_~input~0_1 10) InVars {} OutVars{ULTIMATE.start_main_#t~ret1=|v_ULTIMATE.start_main_#t~ret1_1|, ULTIMATE.start_main_~input~0=v_ULTIMATE.start_main_~input~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~result~0=v_ULTIMATE.start_main_~result~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ret1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~input~0, ULTIMATE.start_main_~result~0] 131#L11 [30] L11-->idENTRY: Formula: (= |v_id_#in~xInParam_1| v_ULTIMATE.start_main_~input~0_5) InVars {ULTIMATE.start_main_~input~0=v_ULTIMATE.start_main_~input~0_5} OutVars{id_#in~x=|v_id_#in~xInParam_1|} AuxVars[] AssignedVars[id_#in~x]< 132#idENTRY [31] idENTRY-->L5: Formula: (= v_id_~x_4 |v_id_#in~x_1|) InVars {id_#in~x=|v_id_#in~x_1|} OutVars{id_#in~x=|v_id_#in~x_1|, id_~x=v_id_~x_4} AuxVars[] AssignedVars[id_~x] 135#L5 [2020-06-22 00:29:28,152 INFO L796 eck$LassoCheckResult]: Loop: 135#L5 [45] L5-->L6: Formula: (> 0 v_id_~x_2) InVars {id_~x=v_id_~x_2} OutVars{id_~x=v_id_~x_2} AuxVars[] AssignedVars[] 134#L6 [34] L6-->idENTRY: Formula: (= |v_id_#in~xInParam_2| (+ v_id_~x_5 (- 1))) InVars {id_~x=v_id_~x_5} OutVars{id_#in~x=|v_id_#in~xInParam_2|} AuxVars[] AssignedVars[id_#in~x]< 133#idENTRY [31] idENTRY-->L5: Formula: (= v_id_~x_4 |v_id_#in~x_1|) InVars {id_#in~x=|v_id_#in~x_1|} OutVars{id_#in~x=|v_id_#in~x_1|, id_~x=v_id_~x_4} AuxVars[] AssignedVars[id_~x] 135#L5 [2020-06-22 00:29:28,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 00:29:28,152 INFO L82 PathProgramCache]: Analyzing trace with hash 58621, now seen corresponding path program 1 times [2020-06-22 00:29:28,153 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 00:29:28,153 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 00:29:28,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:29:28,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 00:29:28,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:29:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 00:29:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 00:29:28,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 00:29:28,160 INFO L82 PathProgramCache]: Analyzing trace with hash 74121, now seen corresponding path program 1 times [2020-06-22 00:29:28,160 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 00:29:28,160 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 00:29:28,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:29:28,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 00:29:28,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:29:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 00:29:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 00:29:28,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 00:29:28,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1746422541, now seen corresponding path program 1 times [2020-06-22 00:29:28,167 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 00:29:28,167 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 00:29:28,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:29:28,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 00:29:28,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:29:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 00:29:28,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 00:29:28,215 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 00:29:28,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-06-22 00:29:28,253 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 00:29:28,253 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 00:29:28,253 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 00:29:28,253 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 00:29:28,253 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 00:29:28,253 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 00:29:28,253 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 00:29:28,254 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 00:29:28,254 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 00:29:28,254 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 00:29:28,254 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 00:29:28,255 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 00:29:28,266 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 00:29:28,272 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 00:29:28,302 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 00:29:28,303 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 00:29:28,306 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 00:29:28,306 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 00:29:28,343 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 00:29:28,343 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 00:29:28,550 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 00:29:28,550 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#in~x=-6, id_~x=-7} Honda state: {id_#in~x=-6, id_~x=-7} Generalized eigenvectors: [{id_#in~x=-8, id_~x=0}, {id_#in~x=7, id_~x=0}, {id_#in~x=-1, id_~x=-1}] Lambdas: [0, 0, 1] Nus: [0, 0] 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 00:29:28,580 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 00:29:28,580 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 00:29:28,584 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 00:29:28,584 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#t~ret0=0} Honda state: {id_#t~ret0=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 00:29:28,612 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 00:29:28,612 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 00:29:28,616 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 00:29:28,616 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2020-06-22 00:29:28,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-06-22 00:29:28,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-06-22 00:29:28,645 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand 5 states. [2020-06-22 00:29:28,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 00:29:28,680 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2020-06-22 00:29:28,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-06-22 00:29:28,684 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 16 transitions. [2020-06-22 00:29:28,685 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-06-22 00:29:28,686 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 13 states and 15 transitions. [2020-06-22 00:29:28,686 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2020-06-22 00:29:28,686 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2020-06-22 00:29:28,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 15 transitions. [2020-06-22 00:29:28,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 00:29:28,686 INFO L706 BuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2020-06-22 00:29:28,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 15 transitions. [2020-06-22 00:29:28,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2020-06-22 00:29:28,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-06-22 00:29:28,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2020-06-22 00:29:28,688 INFO L729 BuchiCegarLoop]: Abstraction has 12 states and 14 transitions. [2020-06-22 00:29:28,689 INFO L609 BuchiCegarLoop]: Abstraction has 12 states and 14 transitions. [2020-06-22 00:29:28,689 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2020-06-22 00:29:28,689 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 14 transitions. [2020-06-22 00:29:28,689 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-06-22 00:29:28,689 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 00:29:28,690 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 00:29:28,690 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] [2020-06-22 00:29:28,690 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-06-22 00:29:28,690 INFO L794 eck$LassoCheckResult]: Stem: 167#ULTIMATE.startENTRY [29] ULTIMATE.startENTRY-->L11: Formula: (= v_ULTIMATE.start_main_~input~0_1 10) InVars {} OutVars{ULTIMATE.start_main_#t~ret1=|v_ULTIMATE.start_main_#t~ret1_1|, ULTIMATE.start_main_~input~0=v_ULTIMATE.start_main_~input~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~result~0=v_ULTIMATE.start_main_~result~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ret1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~input~0, ULTIMATE.start_main_~result~0] 168#L11 [30] L11-->idENTRY: Formula: (= |v_id_#in~xInParam_1| v_ULTIMATE.start_main_~input~0_5) InVars {ULTIMATE.start_main_~input~0=v_ULTIMATE.start_main_~input~0_5} OutVars{id_#in~x=|v_id_#in~xInParam_1|} AuxVars[] AssignedVars[id_#in~x]< 169#idENTRY [31] idENTRY-->L5: Formula: (= v_id_~x_4 |v_id_#in~x_1|) InVars {id_#in~x=|v_id_#in~x_1|} OutVars{id_#in~x=|v_id_#in~x_1|, id_~x=v_id_~x_4} AuxVars[] AssignedVars[id_~x] 170#L5 [44] L5-->L6: Formula: (< 0 v_id_~x_2) InVars {id_~x=v_id_~x_2} OutVars{id_~x=v_id_~x_2} AuxVars[] AssignedVars[] 175#L6 [34] L6-->idENTRY: Formula: (= |v_id_#in~xInParam_2| (+ v_id_~x_5 (- 1))) InVars {id_~x=v_id_~x_5} OutVars{id_#in~x=|v_id_#in~xInParam_2|} AuxVars[] AssignedVars[id_#in~x]< 178#idENTRY [31] idENTRY-->L5: Formula: (= v_id_~x_4 |v_id_#in~x_1|) InVars {id_#in~x=|v_id_#in~x_1|} OutVars{id_#in~x=|v_id_#in~x_1|, id_~x=v_id_~x_4} AuxVars[] AssignedVars[id_~x] 177#L5 [2020-06-22 00:29:28,691 INFO L796 eck$LassoCheckResult]: Loop: 177#L5 [45] L5-->L6: Formula: (> 0 v_id_~x_2) InVars {id_~x=v_id_~x_2} OutVars{id_~x=v_id_~x_2} AuxVars[] AssignedVars[] 174#L6 [34] L6-->idENTRY: Formula: (= |v_id_#in~xInParam_2| (+ v_id_~x_5 (- 1))) InVars {id_~x=v_id_~x_5} OutVars{id_#in~x=|v_id_#in~xInParam_2|} AuxVars[] AssignedVars[id_#in~x]< 176#idENTRY [31] idENTRY-->L5: Formula: (= v_id_~x_4 |v_id_#in~x_1|) InVars {id_#in~x=|v_id_#in~x_1|} OutVars{id_#in~x=|v_id_#in~x_1|, id_~x=v_id_~x_4} AuxVars[] AssignedVars[id_~x] 177#L5 [2020-06-22 00:29:28,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 00:29:28,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1746421580, now seen corresponding path program 2 times [2020-06-22 00:29:28,691 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 00:29:28,691 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 00:29:28,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:29:28,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 00:29:28,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:29:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 00:29:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 00:29:28,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 00:29:28,703 INFO L82 PathProgramCache]: Analyzing trace with hash 74121, now seen corresponding path program 2 times [2020-06-22 00:29:28,703 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 00:29:28,703 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 00:29:28,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:29:28,704 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 00:29:28,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:29:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 00:29:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 00:29:28,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 00:29:28,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1588489634, now seen corresponding path program 1 times [2020-06-22 00:29:28,710 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 00:29:28,710 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 00:29:28,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:29:28,711 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 00:29:28,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:29:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 00:29:28,738 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 00:29:28,739 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 00:29:28,739 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-06-22 00:29:28,781 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 00:29:28,782 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 00:29:28,782 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 00:29:28,782 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 00:29:28,782 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 00:29:28,782 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 00:29:28,782 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 00:29:28,782 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 00:29:28,783 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-06-22 00:29:28,783 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 00:29:28,783 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 00:29:28,784 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 00:29:28,789 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 00:29:28,798 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 00:29:28,827 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 00:29:28,827 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 00:29:28,832 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 00:29:28,832 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 00:29:28,836 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 00:29:28,836 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=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 00:29:28,864 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 00:29:28,865 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 00:29:28,898 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 00:29:28,899 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 00:29:29,091 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 00:29:29,091 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#in~x=7, id_~x=-7} Honda state: {id_#in~x=7, id_~x=-7} Generalized eigenvectors: [{id_#in~x=-6, id_~x=0}, {id_#in~x=-8, id_~x=0}, {id_#in~x=-1, id_~x=-1}] Lambdas: [0, 0, 1] Nus: [0, 0] 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 00:29:29,118 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 00:29:29,118 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 00:29:29,122 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 00:29:29,122 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#t~ret0=0} Honda state: {id_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2020-06-22 00:29:29,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-06-22 00:29:29,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-06-22 00:29:29,147 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. cyclomatic complexity: 4 Second operand 5 states. [2020-06-22 00:29:29,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 00:29:29,174 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2020-06-22 00:29:29,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-06-22 00:29:29,176 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 9 transitions. [2020-06-22 00:29:29,177 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 00:29:29,177 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2020-06-22 00:29:29,177 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-06-22 00:29:29,177 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-06-22 00:29:29,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-06-22 00:29:29,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 00:29:29,178 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 00:29:29,178 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 00:29:29,178 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 00:29:29,178 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2020-06-22 00:29:29,178 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-06-22 00:29:29,178 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 00:29:29,178 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-06-22 00:29:29,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 12:29:29 BasicIcfg [2020-06-22 00:29:29,185 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 00:29:29,186 INFO L168 Benchmark]: Toolchain (without parser) took 2703.20 ms. Allocated memory is still 649.6 MB. Free memory was 559.8 MB in the beginning and 421.7 MB in the end (delta: 138.1 MB). Peak memory consumption was 138.1 MB. Max. memory is 50.3 GB. [2020-06-22 00:29:29,187 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 649.6 MB. Free memory is still 580.3 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 00:29:29,188 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.95 ms. Allocated memory is still 649.6 MB. Free memory was 559.8 MB in the beginning and 617.6 MB in the end (delta: -57.8 MB). Peak memory consumption was 29.9 MB. Max. memory is 50.3 GB. [2020-06-22 00:29:29,188 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.81 ms. Allocated memory is still 649.6 MB. Free memory was 616.5 MB in the beginning and 615.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-06-22 00:29:29,189 INFO L168 Benchmark]: Boogie Preprocessor took 16.13 ms. Allocated memory is still 649.6 MB. Free memory was 615.5 MB in the beginning and 614.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-06-22 00:29:29,189 INFO L168 Benchmark]: RCFGBuilder took 197.08 ms. Allocated memory is still 649.6 MB. Free memory was 614.4 MB in the beginning and 599.6 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 50.3 GB. [2020-06-22 00:29:29,190 INFO L168 Benchmark]: BlockEncodingV2 took 70.35 ms. Allocated memory is still 649.6 MB. Free memory was 599.6 MB in the beginning and 595.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. [2020-06-22 00:29:29,190 INFO L168 Benchmark]: TraceAbstraction took 158.58 ms. Allocated memory is still 649.6 MB. Free memory was 594.2 MB in the beginning and 584.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. [2020-06-22 00:29:29,191 INFO L168 Benchmark]: BuchiAutomizer took 1933.18 ms. Allocated memory is still 649.6 MB. Free memory was 584.3 MB in the beginning and 421.7 MB in the end (delta: 162.6 MB). Peak memory consumption was 162.6 MB. Max. memory is 50.3 GB. [2020-06-22 00:29:29,195 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 14 locations, 16 edges - StatisticsResult: Encoded RCFG 8 locations, 10 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 649.6 MB. Free memory is still 580.3 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 288.95 ms. Allocated memory is still 649.6 MB. Free memory was 559.8 MB in the beginning and 617.6 MB in the end (delta: -57.8 MB). Peak memory consumption was 29.9 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 33.81 ms. Allocated memory is still 649.6 MB. Free memory was 616.5 MB in the beginning and 615.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 16.13 ms. Allocated memory is still 649.6 MB. Free memory was 615.5 MB in the beginning and 614.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 197.08 ms. Allocated memory is still 649.6 MB. Free memory was 614.4 MB in the beginning and 599.6 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 70.35 ms. Allocated memory is still 649.6 MB. Free memory was 599.6 MB in the beginning and 595.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. * TraceAbstraction took 158.58 ms. Allocated memory is still 649.6 MB. Free memory was 594.2 MB in the beginning and 584.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1933.18 ms. Allocated memory is still 649.6 MB. Free memory was 584.3 MB in the beginning and 421.7 MB in the end (delta: 162.6 MB). Peak memory consumption was 162.6 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 8 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=8occurred 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, 3 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 3 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (2 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function \old(x) and consists of 6 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 22 SDtfs, 26 SDslu, 24 SDs, 0 SdLazy, 58 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital11 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq168 hnf92 smp100 dnf100 smp100 tf111 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-06-22 00:29:23.192 ----------------------------------------------- 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 00:29:29.428 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check