YES Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 06:17:55,192 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 06:17:55,195 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 06:17:55,206 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 06:17:55,206 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 06:17:55,207 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 06:17:55,209 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 06:17:55,210 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 06:17:55,212 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 06:17:55,213 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 06:17:55,213 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 06:17:55,214 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 06:17:55,215 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 06:17:55,215 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 06:17:55,217 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 06:17:55,217 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 06:17:55,218 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 06:17:55,220 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 06:17:55,222 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 06:17:55,223 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 06:17:55,224 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 06:17:55,225 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 06:17:55,227 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 06:17:55,228 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 06:17:55,228 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 06:17:55,229 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 06:17:55,229 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 06:17:55,230 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 06:17:55,230 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 06:17:55,231 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 06:17:55,232 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 06:17:55,232 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 06:17:55,233 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 06:17:55,233 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 06:17:55,234 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 06:17:55,234 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 06:17:55,234 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 06:17:55,236 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 06:17:55,236 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 06:17:55,236 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-22 06:17:55,251 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 06:17:55,251 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 06:17:55,252 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 06:17:55,252 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 06:17:55,253 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 06:17:55,253 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 06:17:55,253 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 06:17:55,253 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 06:17:55,253 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 06:17:55,253 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 06:17:55,254 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 06:17:55,254 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 06:17:55,254 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 06:17:55,254 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 06:17:55,254 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:17:55,254 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 06:17:55,255 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 06:17:55,255 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 06:17:55,255 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 06:17:55,255 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 06:17:55,255 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 06:17:55,256 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 06:17:55,256 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 06:17:55,256 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 06:17:55,256 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 06:17:55,256 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 06:17:55,256 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 06:17:55,257 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 06:17:55,257 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 06:17:55,282 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 06:17:55,295 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 06:17:55,298 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 06:17:55,300 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 06:17:55,300 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 06:17:55,301 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 06:17:55,362 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/c1227dad9f174aa693686102d37964ee/FLAG3d3a67237 [2020-06-22 06:17:55,703 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 06:17:55,704 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 06:17:55,711 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/c1227dad9f174aa693686102d37964ee/FLAG3d3a67237 [2020-06-22 06:17:56,111 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/c1227dad9f174aa693686102d37964ee [2020-06-22 06:17:56,122 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 06:17:56,124 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 06:17:56,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 06:17:56,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 06:17:56,129 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 06:17:56,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 06:17:56" (1/1) ... [2020-06-22 06:17:56,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b4da873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:17:56, skipping insertion in model container [2020-06-22 06:17:56,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 06:17:56" (1/1) ... [2020-06-22 06:17:56,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 06:17:56,158 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 06:17:56,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 06:17:56,322 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 06:17:56,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 06:17:56,408 INFO L195 MainTranslator]: Completed translation [2020-06-22 06:17:56,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:17:56 WrapperNode [2020-06-22 06:17:56,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 06:17:56,409 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 06:17:56,409 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 06:17:56,410 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 06:17:56,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:17:56" (1/1) ... [2020-06-22 06:17:56,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:17:56" (1/1) ... [2020-06-22 06:17:56,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 06:17:56,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 06:17:56,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 06:17:56,443 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 06:17:56,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:17:56" (1/1) ... [2020-06-22 06:17:56,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:17:56" (1/1) ... [2020-06-22 06:17:56,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:17:56" (1/1) ... [2020-06-22 06:17:56,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:17:56" (1/1) ... [2020-06-22 06:17:56,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:17:56" (1/1) ... [2020-06-22 06:17:56,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:17:56" (1/1) ... [2020-06-22 06:17:56,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:17:56" (1/1) ... [2020-06-22 06:17:56,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 06:17:56,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 06:17:56,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 06:17:56,461 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 06:17:56,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:17:56" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 06:17:56,534 INFO L130 BoogieDeclarations]: Found specification of procedure isEven [2020-06-22 06:17:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure isEven [2020-06-22 06:17:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure isOdd [2020-06-22 06:17:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure isOdd [2020-06-22 06:17:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 06:17:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 06:17:56,682 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 06:17:56,682 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. [2020-06-22 06:17:56,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:17:56 BoogieIcfgContainer [2020-06-22 06:17:56,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 06:17:56,684 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 06:17:56,684 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 06:17:56,686 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 06:17:56,687 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:17:56" (1/1) ... [2020-06-22 06:17:56,705 INFO L313 BlockEncoder]: Initial Icfg 23 locations, 29 edges [2020-06-22 06:17:56,706 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 06:17:56,707 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 06:17:56,708 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 06:17:56,708 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 06:17:56,710 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 06:17:56,711 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 06:17:56,711 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 06:17:56,727 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 06:17:56,743 INFO L200 BlockEncoder]: SBE split 4 edges [2020-06-22 06:17:56,747 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-22 06:17:56,749 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 06:17:56,757 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-06-22 06:17:56,759 INFO L70 RemoveSinkStates]: Removed 6 edges and 5 locations by removing sink states [2020-06-22 06:17:56,761 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 06:17:56,761 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 06:17:56,767 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-06-22 06:17:56,767 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 06:17:56,768 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 06:17:56,768 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 06:17:56,768 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 06:17:56,769 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 06:17:56,769 INFO L313 BlockEncoder]: Encoded RCFG 16 locations, 24 edges [2020-06-22 06:17:56,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 06:17:56 BasicIcfg [2020-06-22 06:17:56,770 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 06:17:56,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 06:17:56,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 06:17:56,780 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 06:17:56,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 06:17:56" (1/4) ... [2020-06-22 06:17:56,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ffa168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 06:17:56, skipping insertion in model container [2020-06-22 06:17:56,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:17:56" (2/4) ... [2020-06-22 06:17:56,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ffa168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 06:17:56, skipping insertion in model container [2020-06-22 06:17:56,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:17:56" (3/4) ... [2020-06-22 06:17:56,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ffa168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:17:56, skipping insertion in model container [2020-06-22 06:17:56,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 06:17:56" (4/4) ... [2020-06-22 06:17:56,785 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 06:17:56,796 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 06:17:56,804 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 06:17:56,820 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 06:17:56,848 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 06:17:56,849 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 06:17:56,849 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 06:17:56,849 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 06:17:56,849 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 06:17:56,850 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 06:17:56,850 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 06:17:56,850 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 06:17:56,850 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 06:17:56,870 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2020-06-22 06:17:56,876 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 06:17:56,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 16 states. [2020-06-22 06:17:56,942 INFO L451 ceAbstractionStarter]: At program point L32(line 32) the Hoare annotation is: true [2020-06-22 06:17:56,942 INFO L448 ceAbstractionStarter]: For program point L32-1(line 32) no Hoare annotation was computed. [2020-06-22 06:17:56,942 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 33) no Hoare annotation was computed. [2020-06-22 06:17:56,943 INFO L448 ceAbstractionStarter]: For program point isEvenEXIT(lines 26 34) no Hoare annotation was computed. [2020-06-22 06:17:56,943 INFO L448 ceAbstractionStarter]: For program point L27(lines 27 33) no Hoare annotation was computed. [2020-06-22 06:17:56,943 INFO L448 ceAbstractionStarter]: For program point isEvenFINAL(lines 26 34) no Hoare annotation was computed. [2020-06-22 06:17:56,943 INFO L451 ceAbstractionStarter]: At program point isEvenENTRY(lines 26 34) the Hoare annotation is: true [2020-06-22 06:17:56,943 INFO L448 ceAbstractionStarter]: For program point L17(lines 17 23) no Hoare annotation was computed. [2020-06-22 06:17:56,944 INFO L448 ceAbstractionStarter]: For program point isOddFINAL(lines 16 24) no Hoare annotation was computed. [2020-06-22 06:17:56,944 INFO L451 ceAbstractionStarter]: At program point isOddENTRY(lines 16 24) the Hoare annotation is: true [2020-06-22 06:17:56,944 INFO L451 ceAbstractionStarter]: At program point L22(line 22) the Hoare annotation is: true [2020-06-22 06:17:56,944 INFO L448 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2020-06-22 06:17:56,945 INFO L448 ceAbstractionStarter]: For program point isOddEXIT(lines 16 24) no Hoare annotation was computed. [2020-06-22 06:17:56,945 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 23) no Hoare annotation was computed. [2020-06-22 06:17:56,945 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 06:17:56,945 INFO L451 ceAbstractionStarter]: At program point L42(line 42) the Hoare annotation is: true [2020-06-22 06:17:56,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:17:56 BasicIcfg [2020-06-22 06:17:56,950 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 06:17:56,950 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 06:17:56,950 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 06:17:56,954 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 06:17:56,955 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 06:17:56,955 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 06:17:56" (1/5) ... [2020-06-22 06:17:56,956 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ef68a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 06:17:56, skipping insertion in model container [2020-06-22 06:17:56,956 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 06:17:56,956 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:17:56" (2/5) ... [2020-06-22 06:17:56,956 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ef68a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 06:17:56, skipping insertion in model container [2020-06-22 06:17:56,956 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 06:17:56,956 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:17:56" (3/5) ... [2020-06-22 06:17:56,957 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ef68a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 06:17:56, skipping insertion in model container [2020-06-22 06:17:56,957 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 06:17:56,957 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 06:17:56" (4/5) ... [2020-06-22 06:17:56,957 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ef68a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 06:17:56, skipping insertion in model container [2020-06-22 06:17:56,958 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 06:17:56,958 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:17:56" (5/5) ... [2020-06-22 06:17:56,959 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 06:17:56,985 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 06:17:56,985 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 06:17:56,986 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 06:17:56,986 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 06:17:56,986 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 06:17:56,986 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 06:17:56,986 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 06:17:56,986 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 06:17:56,986 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 06:17:56,990 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-06-22 06:17:57,009 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2020-06-22 06:17:57,009 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 06:17:57,009 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 06:17:57,016 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 06:17:57,016 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-06-22 06:17:57,016 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 06:17:57,017 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-06-22 06:17:57,018 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2020-06-22 06:17:57,019 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 06:17:57,019 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 06:17:57,019 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 06:17:57,019 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-06-22 06:17:57,024 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue [93] ULTIMATE.startENTRY-->L42: Formula: (<= 0 v_ULTIMATE.start_main_~n~0_8) InVars {} OutVars{ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_8, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_6|, ULTIMATE.start_main_~result~0=v_ULTIMATE.start_main_~result~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_#t~ret3, ULTIMATE.start_main_~result~0] 9#L42true [60] L42-->isOddENTRY: Formula: (= |v_isOdd_#in~nInParam_2| v_ULTIMATE.start_main_~n~0_7) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7} OutVars{isOdd_#in~n=|v_isOdd_#in~nInParam_2|} AuxVars[] AssignedVars[isOdd_#in~n]< 16#isOddENTRYtrue [2020-06-22 06:17:57,025 INFO L796 eck$LassoCheckResult]: Loop: 16#isOddENTRYtrue [70] isOddENTRY-->L17: Formula: (= v_isOdd_~n_5 |v_isOdd_#in~n_1|) InVars {isOdd_#in~n=|v_isOdd_#in~n_1|} OutVars{isOdd_#in~n=|v_isOdd_#in~n_1|, isOdd_~n=v_isOdd_~n_5} AuxVars[] AssignedVars[isOdd_~n] 14#L17true [84] L17-->L19: Formula: (> 0 v_isOdd_~n_1) InVars {isOdd_~n=v_isOdd_~n_1} OutVars{isOdd_~n=v_isOdd_~n_1} AuxVars[] AssignedVars[] 10#L19true [86] L19-->L22: Formula: (> 1 v_isOdd_~n_3) InVars {isOdd_~n=v_isOdd_~n_3} OutVars{isOdd_~n=v_isOdd_~n_3} AuxVars[] AssignedVars[] 4#L22true [54] L22-->isEvenENTRY: Formula: (= |v_isEven_#in~nInParam_1| (+ v_isOdd_~n_7 (- 1))) InVars {isOdd_~n=v_isOdd_~n_7} OutVars{isEven_#in~n=|v_isEven_#in~nInParam_1|} AuxVars[] AssignedVars[isEven_#in~n]< 5#isEvenENTRYtrue [55] isEvenENTRY-->L27: Formula: (= v_isEven_~n_1 |v_isEven_#in~n_1|) InVars {isEven_#in~n=|v_isEven_#in~n_1|} OutVars{isEven_~n=v_isEven_~n_1, isEven_#in~n=|v_isEven_#in~n_1|} AuxVars[] AssignedVars[isEven_~n] 3#L27true [88] L27-->L29: Formula: (> 0 v_isEven_~n_3) InVars {isEven_~n=v_isEven_~n_3} OutVars{isEven_~n=v_isEven_~n_3} AuxVars[] AssignedVars[] 6#L29true [90] L29-->L32: Formula: (< 1 v_isEven_~n_5) InVars {isEven_~n=v_isEven_~n_5} OutVars{isEven_~n=v_isEven_~n_5} AuxVars[] AssignedVars[] 17#L32true [71] L32-->isOddENTRY: Formula: (= |v_isOdd_#in~nInParam_1| (+ v_isEven_~n_7 (- 1))) InVars {isEven_~n=v_isEven_~n_7} OutVars{isOdd_#in~n=|v_isOdd_#in~nInParam_1|} AuxVars[] AssignedVars[isOdd_#in~n]< 16#isOddENTRYtrue [2020-06-22 06:17:57,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:17:57,031 INFO L82 PathProgramCache]: Analyzing trace with hash 3904, now seen corresponding path program 1 times [2020-06-22 06:17:57,033 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:17:57,033 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:17:57,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:17:57,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:17:57,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:17:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:17:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:17:57,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:17:57,102 INFO L82 PathProgramCache]: Analyzing trace with hash -315214371, now seen corresponding path program 1 times [2020-06-22 06:17:57,102 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:17:57,102 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:17:57,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:17:57,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:17:57,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:17:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:17:57,152 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 06:17:57,155 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 06:17:57,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-06-22 06:17:57,159 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-06-22 06:17:57,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-06-22 06:17:57,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-06-22 06:17:57,175 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 3 states. [2020-06-22 06:17:57,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 06:17:57,222 INFO L93 Difference]: Finished difference Result 21 states and 30 transitions. [2020-06-22 06:17:57,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-06-22 06:17:57,226 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 30 transitions. [2020-06-22 06:17:57,231 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2020-06-22 06:17:57,236 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 12 states and 16 transitions. [2020-06-22 06:17:57,237 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2020-06-22 06:17:57,238 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2020-06-22 06:17:57,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2020-06-22 06:17:57,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 06:17:57,239 INFO L706 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2020-06-22 06:17:57,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2020-06-22 06:17:57,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2020-06-22 06:17:57,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-06-22 06:17:57,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2020-06-22 06:17:57,269 INFO L729 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2020-06-22 06:17:57,269 INFO L609 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2020-06-22 06:17:57,269 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 06:17:57,269 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 15 transitions. [2020-06-22 06:17:57,270 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2020-06-22 06:17:57,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 06:17:57,270 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 06:17:57,270 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 06:17:57,270 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-06-22 06:17:57,271 INFO L794 eck$LassoCheckResult]: Stem: 51#ULTIMATE.startENTRY [93] ULTIMATE.startENTRY-->L42: Formula: (<= 0 v_ULTIMATE.start_main_~n~0_8) InVars {} OutVars{ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_8, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_6|, ULTIMATE.start_main_~result~0=v_ULTIMATE.start_main_~result~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_#t~ret3, ULTIMATE.start_main_~result~0] 46#L42 [60] L42-->isOddENTRY: Formula: (= |v_isOdd_#in~nInParam_2| v_ULTIMATE.start_main_~n~0_7) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7} OutVars{isOdd_#in~n=|v_isOdd_#in~nInParam_2|} AuxVars[] AssignedVars[isOdd_#in~n]< 47#isOddENTRY [2020-06-22 06:17:57,271 INFO L796 eck$LassoCheckResult]: Loop: 47#isOddENTRY [70] isOddENTRY-->L17: Formula: (= v_isOdd_~n_5 |v_isOdd_#in~n_1|) InVars {isOdd_#in~n=|v_isOdd_#in~n_1|} OutVars{isOdd_#in~n=|v_isOdd_#in~n_1|, isOdd_~n=v_isOdd_~n_5} AuxVars[] AssignedVars[isOdd_~n] 52#L17 [84] L17-->L19: Formula: (> 0 v_isOdd_~n_1) InVars {isOdd_~n=v_isOdd_~n_1} OutVars{isOdd_~n=v_isOdd_~n_1} AuxVars[] AssignedVars[] 48#L19 [86] L19-->L22: Formula: (> 1 v_isOdd_~n_3) InVars {isOdd_~n=v_isOdd_~n_3} OutVars{isOdd_~n=v_isOdd_~n_3} AuxVars[] AssignedVars[] 50#L22 [54] L22-->isEvenENTRY: Formula: (= |v_isEven_#in~nInParam_1| (+ v_isOdd_~n_7 (- 1))) InVars {isOdd_~n=v_isOdd_~n_7} OutVars{isEven_#in~n=|v_isEven_#in~nInParam_1|} AuxVars[] AssignedVars[isEven_#in~n]< 56#isEvenENTRY [55] isEvenENTRY-->L27: Formula: (= v_isEven_~n_1 |v_isEven_#in~n_1|) InVars {isEven_#in~n=|v_isEven_#in~n_1|} OutVars{isEven_~n=v_isEven_~n_1, isEven_#in~n=|v_isEven_#in~n_1|} AuxVars[] AssignedVars[isEven_~n] 53#L27 [88] L27-->L29: Formula: (> 0 v_isEven_~n_3) InVars {isEven_~n=v_isEven_~n_3} OutVars{isEven_~n=v_isEven_~n_3} AuxVars[] AssignedVars[] 54#L29 [91] L29-->L32: Formula: (> 1 v_isEven_~n_5) InVars {isEven_~n=v_isEven_~n_5} OutVars{isEven_~n=v_isEven_~n_5} AuxVars[] AssignedVars[] 49#L32 [71] L32-->isOddENTRY: Formula: (= |v_isOdd_#in~nInParam_1| (+ v_isEven_~n_7 (- 1))) InVars {isEven_~n=v_isEven_~n_7} OutVars{isOdd_#in~n=|v_isOdd_#in~nInParam_1|} AuxVars[] AssignedVars[isOdd_#in~n]< 47#isOddENTRY [2020-06-22 06:17:57,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:17:57,272 INFO L82 PathProgramCache]: Analyzing trace with hash 3904, now seen corresponding path program 2 times [2020-06-22 06:17:57,272 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:17:57,272 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:17:57,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:17:57,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:17:57,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:17:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:17:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:17:57,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:17:57,279 INFO L82 PathProgramCache]: Analyzing trace with hash -315214340, now seen corresponding path program 1 times [2020-06-22 06:17:57,279 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:17:57,279 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:17:57,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:17:57,280 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 06:17:57,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:17:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:17:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:17:57,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:17:57,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1821283899, now seen corresponding path program 1 times [2020-06-22 06:17:57,292 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:17:57,292 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:17:57,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:17:57,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:17:57,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:17:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:17:57,322 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 06:17:57,322 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 06:17:57,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-06-22 06:17:57,466 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 06:17:57,468 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 06:17:57,468 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 06:17:57,468 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 06:17:57,468 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 06:17:57,468 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:17:57,468 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 06:17:57,469 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 06:17:57,469 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 06:17:57,469 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 06:17:57,469 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 06:17:57,488 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 06:17:57,494 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 06:17:57,497 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 06:17:57,500 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 06:17:57,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:17:57,511 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 06:17:57,515 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 06:17:57,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:17:57,574 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 06:17:57,575 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 06:17:57,583 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:17:57,584 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:17:57,597 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:17:57,597 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_~n=0} Honda state: {isEven_~n=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 06:17:57,628 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:17:57,628 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:17:57,633 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:17:57,633 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#in~n=0} Honda state: {isEven_#in~n=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 06:17:57,665 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:17:57,665 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:17:57,669 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:17:57,670 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#t~ret0=0} Honda state: {isOdd_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:17:57,698 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:17:57,698 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:17:57,702 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:17:57,702 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#res=0} Honda state: {isOdd_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 06:17:57,729 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:17:57,729 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 06:17:57,763 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 06:17:57,763 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:17:57,824 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:17:57,824 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#in~n=-6} Honda state: {isOdd_#in~n=-6} Generalized eigenvectors: [{isOdd_#in~n=0}, {isOdd_#in~n=-2}, {isOdd_#in~n=0}] Lambdas: [1, 1, 0] 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 06:17:57,855 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:17:57,855 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:17:57,861 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:17:57,861 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#res=0} Honda state: {isEven_#res=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 06:17:57,888 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:17:57,889 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:17:57,892 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:17:57,892 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#t~ret1=0} Honda state: {isEven_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:17:57,920 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:17:57,920 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:17:57,924 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:17:57,924 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_~n=0} Honda state: {isOdd_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2020-06-22 06:17:57,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-06-22 06:17:57,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-06-22 06:17:57,950 INFO L87 Difference]: Start difference. First operand 11 states and 15 transitions. cyclomatic complexity: 5 Second operand 5 states. [2020-06-22 06:17:58,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 06:17:58,001 INFO L93 Difference]: Finished difference Result 17 states and 23 transitions. [2020-06-22 06:17:58,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-06-22 06:17:58,003 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 23 transitions. [2020-06-22 06:17:58,004 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2020-06-22 06:17:58,005 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 23 transitions. [2020-06-22 06:17:58,005 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2020-06-22 06:17:58,005 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2020-06-22 06:17:58,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2020-06-22 06:17:58,006 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 06:17:58,006 INFO L706 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2020-06-22 06:17:58,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2020-06-22 06:17:58,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 13. [2020-06-22 06:17:58,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-06-22 06:17:58,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2020-06-22 06:17:58,008 INFO L729 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2020-06-22 06:17:58,008 INFO L609 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2020-06-22 06:17:58,008 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2020-06-22 06:17:58,008 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2020-06-22 06:17:58,009 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2020-06-22 06:17:58,009 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 06:17:58,009 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 06:17:58,009 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-06-22 06:17:58,010 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-06-22 06:17:58,010 INFO L794 eck$LassoCheckResult]: Stem: 91#ULTIMATE.startENTRY [93] ULTIMATE.startENTRY-->L42: Formula: (<= 0 v_ULTIMATE.start_main_~n~0_8) InVars {} OutVars{ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_8, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_6|, ULTIMATE.start_main_~result~0=v_ULTIMATE.start_main_~result~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_#t~ret3, ULTIMATE.start_main_~result~0] 86#L42 [60] L42-->isOddENTRY: Formula: (= |v_isOdd_#in~nInParam_2| v_ULTIMATE.start_main_~n~0_7) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7} OutVars{isOdd_#in~n=|v_isOdd_#in~nInParam_2|} AuxVars[] AssignedVars[isOdd_#in~n]< 87#isOddENTRY [70] isOddENTRY-->L17: Formula: (= v_isOdd_~n_5 |v_isOdd_#in~n_1|) InVars {isOdd_#in~n=|v_isOdd_#in~n_1|} OutVars{isOdd_#in~n=|v_isOdd_#in~n_1|, isOdd_~n=v_isOdd_~n_5} AuxVars[] AssignedVars[isOdd_~n] 92#L17 [85] L17-->L19: Formula: (< 0 v_isOdd_~n_1) InVars {isOdd_~n=v_isOdd_~n_1} OutVars{isOdd_~n=v_isOdd_~n_1} AuxVars[] AssignedVars[] 88#L19 [2020-06-22 06:17:58,010 INFO L796 eck$LassoCheckResult]: Loop: 88#L19 [86] L19-->L22: Formula: (> 1 v_isOdd_~n_3) InVars {isOdd_~n=v_isOdd_~n_3} OutVars{isOdd_~n=v_isOdd_~n_3} AuxVars[] AssignedVars[] 90#L22 [54] L22-->isEvenENTRY: Formula: (= |v_isEven_#in~nInParam_1| (+ v_isOdd_~n_7 (- 1))) InVars {isOdd_~n=v_isOdd_~n_7} OutVars{isEven_#in~n=|v_isEven_#in~nInParam_1|} AuxVars[] AssignedVars[isEven_#in~n]< 98#isEvenENTRY [55] isEvenENTRY-->L27: Formula: (= v_isEven_~n_1 |v_isEven_#in~n_1|) InVars {isEven_#in~n=|v_isEven_#in~n_1|} OutVars{isEven_~n=v_isEven_~n_1, isEven_#in~n=|v_isEven_#in~n_1|} AuxVars[] AssignedVars[isEven_~n] 95#L27 [88] L27-->L29: Formula: (> 0 v_isEven_~n_3) InVars {isEven_~n=v_isEven_~n_3} OutVars{isEven_~n=v_isEven_~n_3} AuxVars[] AssignedVars[] 96#L29 [91] L29-->L32: Formula: (> 1 v_isEven_~n_5) InVars {isEven_~n=v_isEven_~n_5} OutVars{isEven_~n=v_isEven_~n_5} AuxVars[] AssignedVars[] 89#L32 [71] L32-->isOddENTRY: Formula: (= |v_isOdd_#in~nInParam_1| (+ v_isEven_~n_7 (- 1))) InVars {isEven_~n=v_isEven_~n_7} OutVars{isOdd_#in~n=|v_isOdd_#in~nInParam_1|} AuxVars[] AssignedVars[isOdd_#in~n]< 93#isOddENTRY [70] isOddENTRY-->L17: Formula: (= v_isOdd_~n_5 |v_isOdd_#in~n_1|) InVars {isOdd_#in~n=|v_isOdd_#in~n_1|} OutVars{isOdd_#in~n=|v_isOdd_#in~n_1|, isOdd_~n=v_isOdd_~n_5} AuxVars[] AssignedVars[isOdd_~n] 94#L17 [84] L17-->L19: Formula: (> 0 v_isOdd_~n_1) InVars {isOdd_~n=v_isOdd_~n_1} OutVars{isOdd_~n=v_isOdd_~n_1} AuxVars[] AssignedVars[] 88#L19 [2020-06-22 06:17:58,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:17:58,011 INFO L82 PathProgramCache]: Analyzing trace with hash 3753999, now seen corresponding path program 1 times [2020-06-22 06:17:58,011 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:17:58,011 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:17:58,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:17:58,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:17:58,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:17:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:17:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:17:58,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:17:58,019 INFO L82 PathProgramCache]: Analyzing trace with hash 89592124, now seen corresponding path program 2 times [2020-06-22 06:17:58,019 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:17:58,019 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:17:58,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:17:58,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:17:58,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:17:58,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:17:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:17:58,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:17:58,030 INFO L82 PathProgramCache]: Analyzing trace with hash 394685258, now seen corresponding path program 1 times [2020-06-22 06:17:58,030 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:17:58,030 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:17:58,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:17:58,031 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 06:17:58,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:17:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:17:58,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 06:17:58,043 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 06:17:58,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-06-22 06:17:58,170 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 06:17:58,170 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 06:17:58,170 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 06:17:58,170 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 06:17:58,171 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 06:17:58,171 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:17:58,171 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 06:17:58,171 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 06:17:58,171 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-06-22 06:17:58,171 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 06:17:58,172 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 06:17:58,173 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 06:17:58,176 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 06:17:58,185 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 06:17:58,189 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 06:17:58,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:17:58,197 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 06:17:58,200 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 06:17:58,255 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 06:17:58,256 INFO L412 LassoAnalysis]: Checking for nontermination... 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 06:17:58,262 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:17:58,262 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:17:58,266 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:17:58,266 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#t~ret0=0} Honda state: {isOdd_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:17:58,298 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:17:58,298 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 06:17:58,334 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 06:17:58,334 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:17:58,510 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:17:58,510 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#in~n=2, isOdd_~n=-5} Honda state: {isOdd_#in~n=2, isOdd_~n=-5} Generalized eigenvectors: [{isOdd_#in~n=-3, isOdd_~n=-2}, {isOdd_#in~n=1, isOdd_~n=0}, {isOdd_#in~n=-7, isOdd_~n=0}] Lambdas: [1, 7, 0] Nus: [1, 1] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:17:58,540 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:17:58,540 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:17:58,544 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:17:58,545 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#res=0} Honda state: {isOdd_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:17:58,576 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:17:58,576 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:17:58,580 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:17:58,580 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#t~ret1=0} Honda state: {isEven_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:17:58,610 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:17:58,610 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:17:58,614 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:17:58,614 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_~n=0} Honda state: {isEven_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:17:58,642 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:17:58,642 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:17:58,648 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:17:58,648 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#res=0} Honda state: {isEven_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:17:58,678 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:17:58,678 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:17:58,682 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:17:58,682 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#in~n=0} Honda state: {isEven_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2020-06-22 06:17:58,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-06-22 06:17:58,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-06-22 06:17:58,707 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand 3 states. [2020-06-22 06:17:58,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 06:17:58,725 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2020-06-22 06:17:58,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-06-22 06:17:58,726 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2020-06-22 06:17:58,727 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2020-06-22 06:17:58,727 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 19 transitions. [2020-06-22 06:17:58,727 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2020-06-22 06:17:58,728 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2020-06-22 06:17:58,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2020-06-22 06:17:58,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 06:17:58,728 INFO L706 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2020-06-22 06:17:58,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2020-06-22 06:17:58,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2020-06-22 06:17:58,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-06-22 06:17:58,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2020-06-22 06:17:58,730 INFO L729 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2020-06-22 06:17:58,730 INFO L609 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2020-06-22 06:17:58,731 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2020-06-22 06:17:58,731 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2020-06-22 06:17:58,732 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2020-06-22 06:17:58,732 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 06:17:58,732 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 06:17:58,732 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-06-22 06:17:58,732 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-06-22 06:17:58,733 INFO L794 eck$LassoCheckResult]: Stem: 127#ULTIMATE.startENTRY [93] ULTIMATE.startENTRY-->L42: Formula: (<= 0 v_ULTIMATE.start_main_~n~0_8) InVars {} OutVars{ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_8, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_6|, ULTIMATE.start_main_~result~0=v_ULTIMATE.start_main_~result~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_#t~ret3, ULTIMATE.start_main_~result~0] 122#L42 [60] L42-->isOddENTRY: Formula: (= |v_isOdd_#in~nInParam_2| v_ULTIMATE.start_main_~n~0_7) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7} OutVars{isOdd_#in~n=|v_isOdd_#in~nInParam_2|} AuxVars[] AssignedVars[isOdd_#in~n]< 123#isOddENTRY [70] isOddENTRY-->L17: Formula: (= v_isOdd_~n_5 |v_isOdd_#in~n_1|) InVars {isOdd_#in~n=|v_isOdd_#in~n_1|} OutVars{isOdd_#in~n=|v_isOdd_#in~n_1|, isOdd_~n=v_isOdd_~n_5} AuxVars[] AssignedVars[isOdd_~n] 128#L17 [85] L17-->L19: Formula: (< 0 v_isOdd_~n_1) InVars {isOdd_~n=v_isOdd_~n_1} OutVars{isOdd_~n=v_isOdd_~n_1} AuxVars[] AssignedVars[] 124#L19 [2020-06-22 06:17:58,733 INFO L796 eck$LassoCheckResult]: Loop: 124#L19 [87] L19-->L22: Formula: (< 1 v_isOdd_~n_3) InVars {isOdd_~n=v_isOdd_~n_3} OutVars{isOdd_~n=v_isOdd_~n_3} AuxVars[] AssignedVars[] 126#L22 [54] L22-->isEvenENTRY: Formula: (= |v_isEven_#in~nInParam_1| (+ v_isOdd_~n_7 (- 1))) InVars {isOdd_~n=v_isOdd_~n_7} OutVars{isEven_#in~n=|v_isEven_#in~nInParam_1|} AuxVars[] AssignedVars[isEven_#in~n]< 134#isEvenENTRY [55] isEvenENTRY-->L27: Formula: (= v_isEven_~n_1 |v_isEven_#in~n_1|) InVars {isEven_#in~n=|v_isEven_#in~n_1|} OutVars{isEven_~n=v_isEven_~n_1, isEven_#in~n=|v_isEven_#in~n_1|} AuxVars[] AssignedVars[isEven_~n] 131#L27 [88] L27-->L29: Formula: (> 0 v_isEven_~n_3) InVars {isEven_~n=v_isEven_~n_3} OutVars{isEven_~n=v_isEven_~n_3} AuxVars[] AssignedVars[] 132#L29 [91] L29-->L32: Formula: (> 1 v_isEven_~n_5) InVars {isEven_~n=v_isEven_~n_5} OutVars{isEven_~n=v_isEven_~n_5} AuxVars[] AssignedVars[] 125#L32 [71] L32-->isOddENTRY: Formula: (= |v_isOdd_#in~nInParam_1| (+ v_isEven_~n_7 (- 1))) InVars {isEven_~n=v_isEven_~n_7} OutVars{isOdd_#in~n=|v_isOdd_#in~nInParam_1|} AuxVars[] AssignedVars[isOdd_#in~n]< 129#isOddENTRY [70] isOddENTRY-->L17: Formula: (= v_isOdd_~n_5 |v_isOdd_#in~n_1|) InVars {isOdd_#in~n=|v_isOdd_#in~n_1|} OutVars{isOdd_#in~n=|v_isOdd_#in~n_1|, isOdd_~n=v_isOdd_~n_5} AuxVars[] AssignedVars[isOdd_~n] 130#L17 [85] L17-->L19: Formula: (< 0 v_isOdd_~n_1) InVars {isOdd_~n=v_isOdd_~n_1} OutVars{isOdd_~n=v_isOdd_~n_1} AuxVars[] AssignedVars[] 124#L19 [2020-06-22 06:17:58,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:17:58,734 INFO L82 PathProgramCache]: Analyzing trace with hash 3753999, now seen corresponding path program 2 times [2020-06-22 06:17:58,734 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:17:58,734 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:17:58,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:17:58,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:17:58,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:17:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:17:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:17:58,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:17:58,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1832402460, now seen corresponding path program 1 times [2020-06-22 06:17:58,741 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:17:58,741 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:17:58,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:17:58,742 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 06:17:58,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:17:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:17:58,765 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 06:17:58,765 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 06:17:58,765 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-06-22 06:17:58,766 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-06-22 06:17:58,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-06-22 06:17:58,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-06-22 06:17:58,766 INFO L87 Difference]: Start difference. First operand 14 states and 18 transitions. cyclomatic complexity: 5 Second operand 5 states. [2020-06-22 06:17:58,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 06:17:58,813 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2020-06-22 06:17:58,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-06-22 06:17:58,813 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2020-06-22 06:17:58,815 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 16 [2020-06-22 06:17:58,815 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 23 transitions. [2020-06-22 06:17:58,815 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2020-06-22 06:17:58,816 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2020-06-22 06:17:58,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2020-06-22 06:17:58,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 06:17:58,816 INFO L706 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2020-06-22 06:17:58,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2020-06-22 06:17:58,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2020-06-22 06:17:58,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-06-22 06:17:58,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2020-06-22 06:17:58,819 INFO L729 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2020-06-22 06:17:58,819 INFO L609 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2020-06-22 06:17:58,819 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ [2020-06-22 06:17:58,820 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2020-06-22 06:17:58,820 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2020-06-22 06:17:58,820 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 06:17:58,820 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 06:17:58,821 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-06-22 06:17:58,821 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-06-22 06:17:58,821 INFO L794 eck$LassoCheckResult]: Stem: 171#ULTIMATE.startENTRY [93] ULTIMATE.startENTRY-->L42: Formula: (<= 0 v_ULTIMATE.start_main_~n~0_8) InVars {} OutVars{ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_8, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_6|, ULTIMATE.start_main_~result~0=v_ULTIMATE.start_main_~result~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_#t~ret3, ULTIMATE.start_main_~result~0] 166#L42 [60] L42-->isOddENTRY: Formula: (= |v_isOdd_#in~nInParam_2| v_ULTIMATE.start_main_~n~0_7) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7} OutVars{isOdd_#in~n=|v_isOdd_#in~nInParam_2|} AuxVars[] AssignedVars[isOdd_#in~n]< 167#isOddENTRY [70] isOddENTRY-->L17: Formula: (= v_isOdd_~n_5 |v_isOdd_#in~n_1|) InVars {isOdd_#in~n=|v_isOdd_#in~n_1|} OutVars{isOdd_#in~n=|v_isOdd_#in~n_1|, isOdd_~n=v_isOdd_~n_5} AuxVars[] AssignedVars[isOdd_~n] 172#L17 [85] L17-->L19: Formula: (< 0 v_isOdd_~n_1) InVars {isOdd_~n=v_isOdd_~n_1} OutVars{isOdd_~n=v_isOdd_~n_1} AuxVars[] AssignedVars[] 168#L19 [2020-06-22 06:17:58,822 INFO L796 eck$LassoCheckResult]: Loop: 168#L19 [87] L19-->L22: Formula: (< 1 v_isOdd_~n_3) InVars {isOdd_~n=v_isOdd_~n_3} OutVars{isOdd_~n=v_isOdd_~n_3} AuxVars[] AssignedVars[] 170#L22 [54] L22-->isEvenENTRY: Formula: (= |v_isEven_#in~nInParam_1| (+ v_isOdd_~n_7 (- 1))) InVars {isOdd_~n=v_isOdd_~n_7} OutVars{isEven_#in~n=|v_isEven_#in~nInParam_1|} AuxVars[] AssignedVars[isEven_#in~n]< 182#isEvenENTRY [55] isEvenENTRY-->L27: Formula: (= v_isEven_~n_1 |v_isEven_#in~n_1|) InVars {isEven_#in~n=|v_isEven_#in~n_1|} OutVars{isEven_~n=v_isEven_~n_1, isEven_#in~n=|v_isEven_#in~n_1|} AuxVars[] AssignedVars[isEven_~n] 173#L27 [89] L27-->L29: Formula: (< 0 v_isEven_~n_3) InVars {isEven_~n=v_isEven_~n_3} OutVars{isEven_~n=v_isEven_~n_3} AuxVars[] AssignedVars[] 174#L29 [90] L29-->L32: Formula: (< 1 v_isEven_~n_5) InVars {isEven_~n=v_isEven_~n_5} OutVars{isEven_~n=v_isEven_~n_5} AuxVars[] AssignedVars[] 169#L32 [71] L32-->isOddENTRY: Formula: (= |v_isOdd_#in~nInParam_1| (+ v_isEven_~n_7 (- 1))) InVars {isEven_~n=v_isEven_~n_7} OutVars{isOdd_#in~n=|v_isOdd_#in~nInParam_1|} AuxVars[] AssignedVars[isOdd_#in~n]< 175#isOddENTRY [70] isOddENTRY-->L17: Formula: (= v_isOdd_~n_5 |v_isOdd_#in~n_1|) InVars {isOdd_#in~n=|v_isOdd_#in~n_1|} OutVars{isOdd_#in~n=|v_isOdd_#in~n_1|, isOdd_~n=v_isOdd_~n_5} AuxVars[] AssignedVars[isOdd_~n] 176#L17 [85] L17-->L19: Formula: (< 0 v_isOdd_~n_1) InVars {isOdd_~n=v_isOdd_~n_1} OutVars{isOdd_~n=v_isOdd_~n_1} AuxVars[] AssignedVars[] 168#L19 [2020-06-22 06:17:58,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:17:58,822 INFO L82 PathProgramCache]: Analyzing trace with hash 3753999, now seen corresponding path program 3 times [2020-06-22 06:17:58,822 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:17:58,822 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:17:58,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:17:58,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:17:58,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:17:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:17:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:17:58,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:17:58,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1833296190, now seen corresponding path program 1 times [2020-06-22 06:17:58,829 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:17:58,829 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:17:58,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:17:58,829 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 06:17:58,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:17:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:17:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:17:58,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:17:58,838 INFO L82 PathProgramCache]: Analyzing trace with hash 2138389324, now seen corresponding path program 1 times [2020-06-22 06:17:58,838 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:17:58,838 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:17:58,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:17:58,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:17:58,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:17:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:17:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:17:58,960 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 06:17:58,960 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 06:17:58,961 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 06:17:58,961 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 06:17:58,961 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 06:17:58,961 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:17:58,962 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 06:17:58,962 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 06:17:58,962 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration5_Loop [2020-06-22 06:17:58,962 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 06:17:58,962 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 06:17:58,963 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 06:17:58,965 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 06:17:58,972 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 06:17:58,974 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 06:17:58,976 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 06:17:58,978 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 06:17:58,980 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 06:17:59,030 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 06:17:59,030 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:17:59,038 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:17:59,038 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:17:59,042 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:17:59,042 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#res=0} Honda state: {isEven_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:17:59,068 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:17:59,068 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:17:59,117 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 06:17:59,117 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:18:04,774 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 06:18:04,778 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 06:18:04,778 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 06:18:04,778 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 06:18:04,778 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 06:18:04,779 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 06:18:04,779 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 06:18:04,779 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 06:18:04,779 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 06:18:04,779 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration5_Loop [2020-06-22 06:18:04,779 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 06:18:04,779 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 06:18:04,781 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 06:18:04,785 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 06:18:04,793 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 06:18:04,795 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 06:18:04,797 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 06:18:04,799 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 06:18:04,801 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 06:18:04,837 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 06:18:04,843 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 06:18:04,844 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 06:18:04,846 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:18:04,846 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:18:04,847 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:18:04,847 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:18:04,847 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:18:04,849 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:18:04,849 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:18:04,851 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 06:18:04,852 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 06:18:04,852 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:18:04,853 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:18:04,853 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:18:04,853 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:18:04,853 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:18:04,854 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:18:04,854 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:18:04,861 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 06:18:04,868 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 06:18:04,868 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 06:18:04,870 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 06:18:04,870 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 06:18:04,871 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 06:18:04,871 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(isOdd_~n) = 1*isOdd_~n Supporting invariants [] [2020-06-22 06:18:04,872 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 06:18:04,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:18:04,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:18:04,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 06:18:04,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 06:18:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:18:04,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 11 conjunts are in the unsatisfiable core [2020-06-22 06:18:04,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 06:18:05,028 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 06:18:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:18:05,091 INFO L137 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2020-06-22 06:18:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:18:05,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 11 conjunts are in the unsatisfiable core [2020-06-22 06:18:05,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 06:18:05,115 INFO L98 LoopCannibalizer]: 7 predicates before loop cannibalization 7 predicates after loop cannibalization [2020-06-22 06:18:05,118 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 7 loop predicates [2020-06-22 06:18:05,119 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 17 states and 20 transitions. cyclomatic complexity: 4 Second operand 8 states. [2020-06-22 06:18:05,351 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 17 states and 20 transitions. cyclomatic complexity: 4. Second operand 8 states. Result 178 states and 224 transitions. Complement of second has 127 states. [2020-06-22 06:18:05,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 1 stem states 10 non-accepting loop states 1 accepting loop states [2020-06-22 06:18:05,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-06-22 06:18:05,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 39 transitions. [2020-06-22 06:18:05,355 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 39 transitions. Stem has 4 letters. Loop has 8 letters. [2020-06-22 06:18:05,357 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:18:05,358 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 39 transitions. Stem has 12 letters. Loop has 8 letters. [2020-06-22 06:18:05,358 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:18:05,358 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 39 transitions. Stem has 4 letters. Loop has 16 letters. [2020-06-22 06:18:05,359 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:18:05,364 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 178 states and 224 transitions. [2020-06-22 06:18:05,370 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2020-06-22 06:18:05,372 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 178 states to 90 states and 104 transitions. [2020-06-22 06:18:05,373 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2020-06-22 06:18:05,373 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2020-06-22 06:18:05,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 104 transitions. [2020-06-22 06:18:05,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 06:18:05,374 INFO L706 BuchiCegarLoop]: Abstraction has 90 states and 104 transitions. [2020-06-22 06:18:05,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states and 104 transitions. [2020-06-22 06:18:05,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 29. [2020-06-22 06:18:05,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-06-22 06:18:05,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2020-06-22 06:18:05,378 INFO L729 BuchiCegarLoop]: Abstraction has 29 states and 34 transitions. [2020-06-22 06:18:05,378 INFO L609 BuchiCegarLoop]: Abstraction has 29 states and 34 transitions. [2020-06-22 06:18:05,378 INFO L442 BuchiCegarLoop]: ======== Iteration 6============ [2020-06-22 06:18:05,378 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 34 transitions. [2020-06-22 06:18:05,379 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2020-06-22 06:18:05,379 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 06:18:05,379 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 06:18:05,379 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-06-22 06:18:05,379 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-06-22 06:18:05,380 INFO L794 eck$LassoCheckResult]: Stem: 591#ULTIMATE.startENTRY [93] ULTIMATE.startENTRY-->L42: Formula: (<= 0 v_ULTIMATE.start_main_~n~0_8) InVars {} OutVars{ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_8, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_6|, ULTIMATE.start_main_~result~0=v_ULTIMATE.start_main_~result~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_#t~ret3, ULTIMATE.start_main_~result~0] 584#L42 [60] L42-->isOddENTRY: Formula: (= |v_isOdd_#in~nInParam_2| v_ULTIMATE.start_main_~n~0_7) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7} OutVars{isOdd_#in~n=|v_isOdd_#in~nInParam_2|} AuxVars[] AssignedVars[isOdd_#in~n]< 585#isOddENTRY [70] isOddENTRY-->L17: Formula: (= v_isOdd_~n_5 |v_isOdd_#in~n_1|) InVars {isOdd_#in~n=|v_isOdd_#in~n_1|} OutVars{isOdd_#in~n=|v_isOdd_#in~n_1|, isOdd_~n=v_isOdd_~n_5} AuxVars[] AssignedVars[isOdd_~n] 597#L17 [85] L17-->L19: Formula: (< 0 v_isOdd_~n_1) InVars {isOdd_~n=v_isOdd_~n_1} OutVars{isOdd_~n=v_isOdd_~n_1} AuxVars[] AssignedVars[] 586#L19 [87] L19-->L22: Formula: (< 1 v_isOdd_~n_3) InVars {isOdd_~n=v_isOdd_~n_3} OutVars{isOdd_~n=v_isOdd_~n_3} AuxVars[] AssignedVars[] 587#L22 [54] L22-->isEvenENTRY: Formula: (= |v_isEven_#in~nInParam_1| (+ v_isOdd_~n_7 (- 1))) InVars {isOdd_~n=v_isOdd_~n_7} OutVars{isEven_#in~n=|v_isEven_#in~nInParam_1|} AuxVars[] AssignedVars[isEven_#in~n]< 612#isEvenENTRY [55] isEvenENTRY-->L27: Formula: (= v_isEven_~n_1 |v_isEven_#in~n_1|) InVars {isEven_#in~n=|v_isEven_#in~n_1|} OutVars{isEven_~n=v_isEven_~n_1, isEven_#in~n=|v_isEven_#in~n_1|} AuxVars[] AssignedVars[isEven_~n] 603#L27 [89] L27-->L29: Formula: (< 0 v_isEven_~n_3) InVars {isEven_~n=v_isEven_~n_3} OutVars{isEven_~n=v_isEven_~n_3} AuxVars[] AssignedVars[] 604#L29 [90] L29-->L32: Formula: (< 1 v_isEven_~n_5) InVars {isEven_~n=v_isEven_~n_5} OutVars{isEven_~n=v_isEven_~n_5} AuxVars[] AssignedVars[] 590#L32 [71] L32-->isOddENTRY: Formula: (= |v_isOdd_#in~nInParam_1| (+ v_isEven_~n_7 (- 1))) InVars {isEven_~n=v_isEven_~n_7} OutVars{isOdd_#in~n=|v_isOdd_#in~nInParam_1|} AuxVars[] AssignedVars[isOdd_#in~n]< 598#isOddENTRY [70] isOddENTRY-->L17: Formula: (= v_isOdd_~n_5 |v_isOdd_#in~n_1|) InVars {isOdd_#in~n=|v_isOdd_#in~n_1|} OutVars{isOdd_#in~n=|v_isOdd_#in~n_1|, isOdd_~n=v_isOdd_~n_5} AuxVars[] AssignedVars[isOdd_~n] 599#L17 [84] L17-->L19: Formula: (> 0 v_isOdd_~n_1) InVars {isOdd_~n=v_isOdd_~n_1} OutVars{isOdd_~n=v_isOdd_~n_1} AuxVars[] AssignedVars[] 594#L19 [2020-06-22 06:18:05,380 INFO L796 eck$LassoCheckResult]: Loop: 594#L19 [86] L19-->L22: Formula: (> 1 v_isOdd_~n_3) InVars {isOdd_~n=v_isOdd_~n_3} OutVars{isOdd_~n=v_isOdd_~n_3} AuxVars[] AssignedVars[] 601#L22 [54] L22-->isEvenENTRY: Formula: (= |v_isEven_#in~nInParam_1| (+ v_isOdd_~n_7 (- 1))) InVars {isOdd_~n=v_isOdd_~n_7} OutVars{isEven_#in~n=|v_isEven_#in~nInParam_1|} AuxVars[] AssignedVars[isEven_#in~n]< 605#isEvenENTRY [55] isEvenENTRY-->L27: Formula: (= v_isEven_~n_1 |v_isEven_#in~n_1|) InVars {isEven_#in~n=|v_isEven_#in~n_1|} OutVars{isEven_~n=v_isEven_~n_1, isEven_#in~n=|v_isEven_#in~n_1|} AuxVars[] AssignedVars[isEven_~n] 600#L27 [88] L27-->L29: Formula: (> 0 v_isEven_~n_3) InVars {isEven_~n=v_isEven_~n_3} OutVars{isEven_~n=v_isEven_~n_3} AuxVars[] AssignedVars[] 602#L29 [91] L29-->L32: Formula: (> 1 v_isEven_~n_5) InVars {isEven_~n=v_isEven_~n_5} OutVars{isEven_~n=v_isEven_~n_5} AuxVars[] AssignedVars[] 593#L32 [71] L32-->isOddENTRY: Formula: (= |v_isOdd_#in~nInParam_1| (+ v_isEven_~n_7 (- 1))) InVars {isEven_~n=v_isEven_~n_7} OutVars{isOdd_#in~n=|v_isOdd_#in~nInParam_1|} AuxVars[] AssignedVars[isOdd_#in~n]< 608#isOddENTRY [70] isOddENTRY-->L17: Formula: (= v_isOdd_~n_5 |v_isOdd_#in~n_1|) InVars {isOdd_#in~n=|v_isOdd_#in~n_1|} OutVars{isOdd_#in~n=|v_isOdd_#in~n_1|, isOdd_~n=v_isOdd_~n_5} AuxVars[] AssignedVars[isOdd_~n] 592#L17 [84] L17-->L19: Formula: (> 0 v_isOdd_~n_1) InVars {isOdd_~n=v_isOdd_~n_1} OutVars{isOdd_~n=v_isOdd_~n_1} AuxVars[] AssignedVars[] 594#L19 [2020-06-22 06:18:05,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:18:05,380 INFO L82 PathProgramCache]: Analyzing trace with hash 2138389323, now seen corresponding path program 1 times [2020-06-22 06:18:05,381 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:18:05,381 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:18:05,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:18:05,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:18:05,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:18:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:18:05,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 06:18:05,409 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 06:18:05,409 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-06-22 06:18:05,409 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-06-22 06:18:05,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:18:05,409 INFO L82 PathProgramCache]: Analyzing trace with hash 89592124, now seen corresponding path program 3 times [2020-06-22 06:18:05,409 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:18:05,410 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:18:05,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:18:05,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:18:05,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:18:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:18:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:18:05,500 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 06:18:05,501 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 06:18:05,501 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 06:18:05,501 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 06:18:05,501 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 06:18:05,501 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:18:05,501 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 06:18:05,501 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 06:18:05,501 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration6_Loop [2020-06-22 06:18:05,502 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 06:18:05,502 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 06:18:05,503 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 06:18:05,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:18:05,511 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 06:18:05,512 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 06:18:05,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:18:05,515 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 06:18:05,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:18:05,547 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 06:18:05,548 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 22 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:18:05,551 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:18:05,551 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:18:05,585 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 06:18:05,586 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:18:05,966 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:18:05,966 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#in~n=-8, isOdd_~n=-15} Honda state: {isOdd_#in~n=-8, isOdd_~n=-15} Generalized eigenvectors: [{isOdd_#in~n=0, isOdd_~n=0}, {isOdd_#in~n=-2, isOdd_~n=-2}, {isOdd_#in~n=-7, isOdd_~n=0}] Lambdas: [10, 1, 0] Nus: [0, 0] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 24 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:18:05,994 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:18:05,994 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:18:05,998 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:18:05,998 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#in~n=0} Honda state: {isEven_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 25 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:18:06,024 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:18:06,024 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:18:06,027 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:18:06,028 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#res=0} Honda state: {isOdd_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 26 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:18:06,055 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:18:06,055 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:18:06,058 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:18:06,058 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#t~ret0=0} Honda state: {isOdd_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 27 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:18:06,085 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:18:06,085 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:18:06,088 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:18:06,088 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#t~ret1=0} Honda state: {isEven_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 28 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:18:06,114 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:18:06,115 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:18:06,118 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:18:06,118 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_~n=0} Honda state: {isEven_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 29 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:18:06,147 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:18:06,147 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:18:06,151 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:18:06,151 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#res=0} Honda state: {isEven_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2020-06-22 06:18:06,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-06-22 06:18:06,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-06-22 06:18:06,177 INFO L87 Difference]: Start difference. First operand 29 states and 34 transitions. cyclomatic complexity: 7 Second operand 5 states. [2020-06-22 06:18:06,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 06:18:06,203 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2020-06-22 06:18:06,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-06-22 06:18:06,206 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 14 transitions. [2020-06-22 06:18:06,207 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 06:18:06,207 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2020-06-22 06:18:06,207 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-06-22 06:18:06,207 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-06-22 06:18:06,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-06-22 06:18:06,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 06:18:06,207 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 06:18:06,207 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 06:18:06,208 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 06:18:06,208 INFO L442 BuchiCegarLoop]: ======== Iteration 7============ [2020-06-22 06:18:06,208 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-06-22 06:18:06,208 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 06:18:06,208 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-06-22 06:18:06,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 06:18:06 BasicIcfg [2020-06-22 06:18:06,214 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 06:18:06,215 INFO L168 Benchmark]: Toolchain (without parser) took 10092.22 ms. Allocated memory was 649.6 MB in the beginning and 739.8 MB in the end (delta: 90.2 MB). Free memory was 564.2 MB in the beginning and 524.0 MB in the end (delta: 40.2 MB). Peak memory consumption was 130.4 MB. Max. memory is 50.3 GB. [2020-06-22 06:18:06,217 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.8 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 06:18:06,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.98 ms. Allocated memory was 649.6 MB in the beginning and 658.5 MB in the end (delta: 8.9 MB). Free memory was 564.2 MB in the beginning and 623.8 MB in the end (delta: -59.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 50.3 GB. [2020-06-22 06:18:06,218 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.34 ms. Allocated memory is still 658.5 MB. Free memory was 623.8 MB in the beginning and 620.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. [2020-06-22 06:18:06,218 INFO L168 Benchmark]: Boogie Preprocessor took 17.17 ms. Allocated memory is still 658.5 MB. Free memory was 620.7 MB in the beginning and 619.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-06-22 06:18:06,219 INFO L168 Benchmark]: RCFGBuilder took 223.29 ms. Allocated memory is still 658.5 MB. Free memory was 619.3 MB in the beginning and 605.0 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 50.3 GB. [2020-06-22 06:18:06,219 INFO L168 Benchmark]: BlockEncodingV2 took 85.72 ms. Allocated memory is still 658.5 MB. Free memory was 605.0 MB in the beginning and 597.2 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 50.3 GB. [2020-06-22 06:18:06,220 INFO L168 Benchmark]: TraceAbstraction took 179.15 ms. Allocated memory is still 658.5 MB. Free memory was 597.2 MB in the beginning and 586.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. [2020-06-22 06:18:06,220 INFO L168 Benchmark]: BuchiAutomizer took 9264.15 ms. Allocated memory was 658.5 MB in the beginning and 739.8 MB in the end (delta: 81.3 MB). Free memory was 586.4 MB in the beginning and 524.0 MB in the end (delta: 62.4 MB). Peak memory consumption was 143.7 MB. Max. memory is 50.3 GB. [2020-06-22 06:18:06,224 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 23 locations, 29 edges - StatisticsResult: Encoded RCFG 16 locations, 24 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.8 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 283.98 ms. Allocated memory was 649.6 MB in the beginning and 658.5 MB in the end (delta: 8.9 MB). Free memory was 564.2 MB in the beginning and 623.8 MB in the end (delta: -59.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 33.34 ms. Allocated memory is still 658.5 MB. Free memory was 623.8 MB in the beginning and 620.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 17.17 ms. Allocated memory is still 658.5 MB. Free memory was 620.7 MB in the beginning and 619.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * RCFGBuilder took 223.29 ms. Allocated memory is still 658.5 MB. Free memory was 619.3 MB in the beginning and 605.0 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 85.72 ms. Allocated memory is still 658.5 MB. Free memory was 605.0 MB in the beginning and 597.2 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 50.3 GB. * TraceAbstraction took 179.15 ms. Allocated memory is still 658.5 MB. Free memory was 597.2 MB in the beginning and 586.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 9264.15 ms. Allocated memory was 658.5 MB in the beginning and 739.8 MB in the end (delta: 81.3 MB). Free memory was 586.4 MB in the beginning and 524.0 MB in the end (delta: 62.4 MB). Peak memory consumption was 143.7 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 3 procedures, 16 locations, 0 error locations. SAFE Result, 0.1s 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=16occurred 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, 5 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 5 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (5 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function n and consists of 12 locations. 5 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.2s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 8.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 70 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 29 states and ocurred in iteration 5. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 51 SDtfs, 61 SDslu, 108 SDs, 0 SdLazy, 231 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT1 conc2 concLT0 SILN1 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq169 hnf92 smp100 dnf100 smp100 tf109 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 7ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 20 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 6.6s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-06-22 06:17:52.880 ----------------------------------------------- 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 06:18:06.457 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check