YES Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 01:51:12,958 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 01:51:12,960 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 01:51:12,971 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 01:51:12,971 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 01:51:12,972 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 01:51:12,973 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 01:51:12,975 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 01:51:12,976 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 01:51:12,977 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 01:51:12,978 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 01:51:12,978 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 01:51:12,979 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 01:51:12,980 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 01:51:12,981 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 01:51:12,981 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 01:51:12,982 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 01:51:12,984 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 01:51:12,986 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 01:51:12,987 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 01:51:12,988 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 01:51:12,989 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 01:51:12,991 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 01:51:12,991 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 01:51:12,992 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 01:51:12,992 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 01:51:12,993 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 01:51:12,994 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 01:51:12,994 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 01:51:12,994 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 01:51:12,995 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 01:51:12,996 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 01:51:12,997 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 01:51:12,997 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 01:51:12,998 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 01:51:12,998 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 01:51:12,998 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 01:51:12,999 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 01:51:13,000 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 01:51:13,000 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-22 01:51:13,014 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 01:51:13,014 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 01:51:13,015 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 01:51:13,016 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 01:51:13,016 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 01:51:13,016 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 01:51:13,016 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 01:51:13,016 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 01:51:13,017 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 01:51:13,017 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 01:51:13,017 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 01:51:13,017 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 01:51:13,017 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 01:51:13,017 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 01:51:13,018 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:51:13,018 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 01:51:13,018 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 01:51:13,018 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 01:51:13,018 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 01:51:13,018 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 01:51:13,019 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 01:51:13,019 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 01:51:13,019 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 01:51:13,019 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 01:51:13,019 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 01:51:13,020 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 01:51:13,020 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 01:51:13,020 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 01:51:13,020 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 01:51:13,045 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 01:51:13,058 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 01:51:13,062 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 01:51:13,063 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 01:51:13,063 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 01:51:13,064 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 01:51:13,127 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/b718637250a1449a8072c3bd21274bc3/FLAGb7734a0a9 [2020-06-22 01:51:13,463 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 01:51:13,463 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 01:51:13,470 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/b718637250a1449a8072c3bd21274bc3/FLAGb7734a0a9 [2020-06-22 01:51:13,868 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/b718637250a1449a8072c3bd21274bc3 [2020-06-22 01:51:13,879 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 01:51:13,880 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 01:51:13,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 01:51:13,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 01:51:13,885 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 01:51:13,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 01:51:13" (1/1) ... [2020-06-22 01:51:13,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d3b3e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:51:13, skipping insertion in model container [2020-06-22 01:51:13,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 01:51:13" (1/1) ... [2020-06-22 01:51:13,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 01:51:13,914 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 01:51:14,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 01:51:14,072 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 01:51:14,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 01:51:14,155 INFO L195 MainTranslator]: Completed translation [2020-06-22 01:51:14,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:51:14 WrapperNode [2020-06-22 01:51:14,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 01:51:14,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 01:51:14,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 01:51:14,157 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 01:51:14,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:51:14" (1/1) ... [2020-06-22 01:51:14,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:51:14" (1/1) ... [2020-06-22 01:51:14,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 01:51:14,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 01:51:14,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 01:51:14,192 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 01:51:14,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:51:14" (1/1) ... [2020-06-22 01:51:14,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:51:14" (1/1) ... [2020-06-22 01:51:14,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:51:14" (1/1) ... [2020-06-22 01:51:14,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:51:14" (1/1) ... [2020-06-22 01:51:14,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:51:14" (1/1) ... [2020-06-22 01:51:14,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:51:14" (1/1) ... [2020-06-22 01:51:14,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:51:14" (1/1) ... [2020-06-22 01:51:14,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 01:51:14,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 01:51:14,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 01:51:14,211 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 01:51:14,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:51:14" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 01:51:14,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 01:51:14,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 01:51:14,405 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 01:51:14,405 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. [2020-06-22 01:51:14,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:51:14 BoogieIcfgContainer [2020-06-22 01:51:14,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 01:51:14,407 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 01:51:14,407 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 01:51:14,409 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 01:51:14,410 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:51:14" (1/1) ... [2020-06-22 01:51:14,424 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 12 edges [2020-06-22 01:51:14,425 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 01:51:14,426 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 01:51:14,426 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 01:51:14,427 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 01:51:14,428 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 01:51:14,429 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 01:51:14,430 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 01:51:14,444 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 01:51:14,458 INFO L200 BlockEncoder]: SBE split 1 edges [2020-06-22 01:51:14,462 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility [2020-06-22 01:51:14,464 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 01:51:14,474 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-06-22 01:51:14,476 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states [2020-06-22 01:51:14,477 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 01:51:14,477 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 01:51:14,483 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-06-22 01:51:14,483 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 01:51:14,483 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 01:51:14,483 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 01:51:14,484 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 01:51:14,484 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 01:51:14,484 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2020-06-22 01:51:14,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 01:51:14 BasicIcfg [2020-06-22 01:51:14,485 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 01:51:14,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 01:51:14,486 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 01:51:14,489 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 01:51:14,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 01:51:13" (1/4) ... [2020-06-22 01:51:14,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e783d1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 01:51:14, skipping insertion in model container [2020-06-22 01:51:14,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:51:14" (2/4) ... [2020-06-22 01:51:14,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e783d1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 01:51:14, skipping insertion in model container [2020-06-22 01:51:14,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:51:14" (3/4) ... [2020-06-22 01:51:14,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e783d1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 01:51:14, skipping insertion in model container [2020-06-22 01:51:14,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 01:51:14" (4/4) ... [2020-06-22 01:51:14,493 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 01:51:14,502 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 01:51:14,510 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 01:51:14,528 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 01:51:14,557 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 01:51:14,558 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 01:51:14,558 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 01:51:14,558 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 01:51:14,558 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 01:51:14,558 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 01:51:14,559 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 01:51:14,559 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 01:51:14,559 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 01:51:14,573 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-06-22 01:51:14,578 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 01:51:14,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-06-22 01:51:14,633 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 01:51:14,634 INFO L448 ceAbstractionStarter]: For program point L25-1(lines 20 29) no Hoare annotation was computed. [2020-06-22 01:51:14,634 INFO L451 ceAbstractionStarter]: At program point L21-2(lines 21 24) the Hoare annotation is: true [2020-06-22 01:51:14,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 01:51:14 BasicIcfg [2020-06-22 01:51:14,642 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 01:51:14,643 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 01:51:14,643 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 01:51:14,646 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 01:51:14,647 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 01:51:14,647 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 01:51:13" (1/5) ... [2020-06-22 01:51:14,648 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a4344fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 01:51:14, skipping insertion in model container [2020-06-22 01:51:14,648 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 01:51:14,648 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:51:14" (2/5) ... [2020-06-22 01:51:14,649 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a4344fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 01:51:14, skipping insertion in model container [2020-06-22 01:51:14,649 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 01:51:14,649 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:51:14" (3/5) ... [2020-06-22 01:51:14,649 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a4344fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 01:51:14, skipping insertion in model container [2020-06-22 01:51:14,649 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 01:51:14,650 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 01:51:14" (4/5) ... [2020-06-22 01:51:14,650 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a4344fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 01:51:14, skipping insertion in model container [2020-06-22 01:51:14,650 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 01:51:14,650 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 01:51:14" (5/5) ... [2020-06-22 01:51:14,652 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 01:51:14,682 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 01:51:14,683 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 01:51:14,683 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 01:51:14,683 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 01:51:14,683 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 01:51:14,684 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 01:51:14,684 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 01:51:14,684 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 01:51:14,684 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 01:51:14,687 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 01:51:14,704 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-06-22 01:51:14,704 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 01:51:14,704 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 01:51:14,709 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 01:51:14,709 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 01:51:14,710 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 01:51:14,710 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 01:51:14,710 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-06-22 01:51:14,710 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 01:51:14,711 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 01:51:14,711 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 01:51:14,711 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 01:51:14,716 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [54] ULTIMATE.startENTRY-->L21-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_10) (= 0 v_ULTIMATE.start_main_~z~0_10) (= v_ULTIMATE.start_main_~x~0_8 v_ULTIMATE.start_main_~i~0_12) (< 0 v_ULTIMATE.start_main_~x~0_8)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 5#L21-2true [2020-06-22 01:51:14,716 INFO L796 eck$LassoCheckResult]: Loop: 5#L21-2true [41] L21-2-->L21-2: Formula: (and (< 0 v_ULTIMATE.start_main_~i~0_11) (= v_ULTIMATE.start_main_~z~0_8 (+ v_ULTIMATE.start_main_~z~0_9 1)) (= v_ULTIMATE.start_main_~i~0_10 (+ v_ULTIMATE.start_main_~i~0_11 (- 1)))) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~z~0] 5#L21-2true [2020-06-22 01:51:14,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 01:51:14,722 INFO L82 PathProgramCache]: Analyzing trace with hash 85, now seen corresponding path program 1 times [2020-06-22 01:51:14,724 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 01:51:14,724 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 01:51:14,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 01:51:14,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 01:51:14,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 01:51:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 01:51:14,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 01:51:14,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 01:51:14,795 INFO L82 PathProgramCache]: Analyzing trace with hash 72, now seen corresponding path program 1 times [2020-06-22 01:51:14,795 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 01:51:14,796 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 01:51:14,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 01:51:14,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 01:51:14,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 01:51:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 01:51:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 01:51:14,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 01:51:14,808 INFO L82 PathProgramCache]: Analyzing trace with hash 2676, now seen corresponding path program 1 times [2020-06-22 01:51:14,808 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 01:51:14,808 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 01:51:14,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 01:51:14,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 01:51:14,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 01:51:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 01:51:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 01:51:14,862 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 01:51:14,863 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 01:51:14,864 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 01:51:14,864 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 01:51:14,864 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 01:51:14,864 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:51:14,864 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 01:51:14,864 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 01:51:14,865 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 01:51:14,865 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 01:51:14,865 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 01:51:14,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 01:51:14,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 01:51:14,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 01:51:14,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 01:51:14,990 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 01:51:14,991 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:51:15,002 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:51:15,002 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:51:15,035 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 01:51:15,035 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:51:15,041 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:51:15,041 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:51:15,068 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 01:51:15,068 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:51:15,074 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:51:15,074 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:51:15,104 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 01:51:15,105 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:51:15,135 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 01:51:15,137 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 01:51:15,138 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 01:51:15,138 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 01:51:15,138 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 01:51:15,138 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 01:51:15,138 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 01:51:15,138 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 01:51:15,138 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 01:51:15,139 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 01:51:15,139 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 01:51:15,139 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 01:51:15,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 01:51:15,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 01:51:15,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 01:51:15,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 01:51:15,240 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 01:51:15,246 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 01:51:15,248 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 01:51:15,249 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 01:51:15,250 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 01:51:15,250 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 01:51:15,250 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 01:51:15,254 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 01:51:15,255 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 01:51:15,263 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 01:51:15,263 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 01:51:15,264 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 01:51:15,264 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 01:51:15,264 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 01:51:15,265 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 01:51:15,267 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 01:51:15,267 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 01:51:15,275 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 01:51:15,276 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 01:51:15,276 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 01:51:15,276 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 01:51:15,277 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 01:51:15,277 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 01:51:15,277 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 01:51:15,278 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 01:51:15,278 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 01:51:15,283 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 01:51:15,287 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 01:51:15,287 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 01:51:15,289 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 01:51:15,290 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 01:51:15,290 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 01:51:15,291 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2020-06-22 01:51:15,292 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 01:51:15,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 01:51:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 01:51:15,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 01:51:15,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 01:51:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 01:51:15,332 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 01:51:15,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 01:51:15,333 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 01:51:15,345 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization [2020-06-22 01:51:15,350 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-06-22 01:51:15,351 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 2 states. [2020-06-22 01:51:15,378 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 2 states. Result 6 states and 9 transitions. Complement of second has 4 states. [2020-06-22 01:51:15,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-06-22 01:51:15,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-06-22 01:51:15,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2020-06-22 01:51:15,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 1 letters. Loop has 1 letters. [2020-06-22 01:51:15,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 01:51:15,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 2 letters. Loop has 1 letters. [2020-06-22 01:51:15,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 01:51:15,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 1 letters. Loop has 2 letters. [2020-06-22 01:51:15,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 01:51:15,390 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 9 transitions. [2020-06-22 01:51:15,391 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 01:51:15,394 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 5 states and 7 transitions. [2020-06-22 01:51:15,396 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2020-06-22 01:51:15,396 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2020-06-22 01:51:15,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 7 transitions. [2020-06-22 01:51:15,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 01:51:15,397 INFO L706 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2020-06-22 01:51:15,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 7 transitions. [2020-06-22 01:51:15,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 4. [2020-06-22 01:51:15,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-06-22 01:51:15,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2020-06-22 01:51:15,426 INFO L729 BuchiCegarLoop]: Abstraction has 4 states and 6 transitions. [2020-06-22 01:51:15,426 INFO L609 BuchiCegarLoop]: Abstraction has 4 states and 6 transitions. [2020-06-22 01:51:15,426 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 01:51:15,426 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 6 transitions. [2020-06-22 01:51:15,427 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 01:51:15,427 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 01:51:15,427 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 01:51:15,427 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 01:51:15,428 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 01:51:15,428 INFO L794 eck$LassoCheckResult]: Stem: 37#ULTIMATE.startENTRY [54] ULTIMATE.startENTRY-->L21-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_10) (= 0 v_ULTIMATE.start_main_~z~0_10) (= v_ULTIMATE.start_main_~x~0_8 v_ULTIMATE.start_main_~i~0_12) (< 0 v_ULTIMATE.start_main_~x~0_8)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 38#L21-2 [48] L21-2-->L25-1: Formula: (>= 0 v_ULTIMATE.start_main_~i~0_9) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 39#L25-1 [2020-06-22 01:51:15,428 INFO L796 eck$LassoCheckResult]: Loop: 39#L25-1 [38] L25-1-->L25-1: Formula: (and (= v_ULTIMATE.start_main_~i~0_7 (+ v_ULTIMATE.start_main_~i~0_8 1)) (< v_ULTIMATE.start_main_~i~0_8 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~z~0_6 (+ v_ULTIMATE.start_main_~z~0_7 (- 1)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~z~0] 39#L25-1 [2020-06-22 01:51:15,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 01:51:15,429 INFO L82 PathProgramCache]: Analyzing trace with hash 2683, now seen corresponding path program 1 times [2020-06-22 01:51:15,429 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 01:51:15,429 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 01:51:15,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 01:51:15,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 01:51:15,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 01:51:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 01:51:15,468 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 01:51:15,470 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 01:51:15,470 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-06-22 01:51:15,473 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-06-22 01:51:15,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 01:51:15,473 INFO L82 PathProgramCache]: Analyzing trace with hash 69, now seen corresponding path program 1 times [2020-06-22 01:51:15,473 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 01:51:15,473 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 01:51:15,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 01:51:15,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 01:51:15,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 01:51:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 01:51:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 01:51:15,496 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 01:51:15,496 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 01:51:15,496 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 01:51:15,497 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 01:51:15,497 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 01:51:15,497 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:51:15,497 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 01:51:15,497 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 01:51:15,497 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 01:51:15,497 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 01:51:15,497 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 01:51:15,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 01:51:15,502 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 01:51:15,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 01:51:15,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 01:51:15,567 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 01:51:15,567 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:51:15,570 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:51:15,570 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:51:15,597 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 01:51:15,597 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:51:15,602 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:51:15,602 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:51:15,632 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 01:51:15,632 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:51:15,648 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 01:51:15,648 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0=0} Honda state: {ULTIMATE.start_main_~z~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~z~0=-8}, {ULTIMATE.start_main_~z~0=0}, {ULTIMATE.start_main_~z~0=7}] Lambdas: [1, 0, 1] Nus: [0, 0] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:51:15,676 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:51:15,676 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:51:15,703 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 01:51:15,704 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:51:15,708 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:51:15,709 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:51:15,740 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 01:51:15,741 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:51:15,923 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 01:51:15,925 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 01:51:15,926 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 01:51:15,926 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 01:51:15,926 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 01:51:15,926 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 01:51:15,926 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 01:51:15,926 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 01:51:15,926 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 01:51:15,927 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 01:51:15,927 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 01:51:15,927 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 01:51:15,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 01:51:15,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 01:51:15,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 01:51:15,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 01:51:16,001 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 01:51:16,001 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 01:51:16,002 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 01:51:16,003 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 01:51:16,003 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 01:51:16,003 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 01:51:16,003 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 01:51:16,006 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 01:51:16,006 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 01:51:16,010 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 01:51:16,010 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 01:51:16,011 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 01:51:16,011 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 01:51:16,011 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 01:51:16,012 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 01:51:16,012 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 01:51:16,012 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 01:51:16,012 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 01:51:16,016 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 01:51:16,016 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 01:51:16,017 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 01:51:16,017 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 01:51:16,017 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 01:51:16,017 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 01:51:16,019 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 01:51:16,020 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 01:51:16,025 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 01:51:16,025 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 01:51:16,026 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 01:51:16,026 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 01:51:16,026 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 01:51:16,027 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 01:51:16,027 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 01:51:16,027 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 01:51:16,028 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 01:51:16,032 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 01:51:16,036 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 01:51:16,036 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 01:51:16,037 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 01:51:16,037 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 01:51:16,037 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 01:51:16,038 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~y~0) = -1*ULTIMATE.start_main_~i~0 + 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2020-06-22 01:51:16,038 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 01:51:16,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 01:51:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 01:51:16,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 01:51:16,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 01:51:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 01:51:16,075 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 01:51:16,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 01:51:16,076 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 01:51:16,076 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization [2020-06-22 01:51:16,076 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-06-22 01:51:16,077 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states and 6 transitions. cyclomatic complexity: 4 Second operand 2 states. [2020-06-22 01:51:16,085 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states and 6 transitions. cyclomatic complexity: 4. Second operand 2 states. Result 5 states and 7 transitions. Complement of second has 2 states. [2020-06-22 01:51:16,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2020-06-22 01:51:16,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-06-22 01:51:16,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 6 transitions. [2020-06-22 01:51:16,086 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 2 letters. Loop has 1 letters. [2020-06-22 01:51:16,086 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 01:51:16,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 3 letters. Loop has 1 letters. [2020-06-22 01:51:16,087 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 01:51:16,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 2 letters. Loop has 2 letters. [2020-06-22 01:51:16,088 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 01:51:16,089 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 7 transitions. [2020-06-22 01:51:16,089 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 01:51:16,089 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 0 states and 0 transitions. [2020-06-22 01:51:16,090 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-06-22 01:51:16,090 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-06-22 01:51:16,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-06-22 01:51:16,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 01:51:16,090 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 01:51:16,090 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 01:51:16,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-06-22 01:51:16,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-06-22 01:51:16,094 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-06-22 01:51:16,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 01:51:16,097 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-06-22 01:51:16,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-06-22 01:51:16,098 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-06-22 01:51:16,098 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 01:51:16,098 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-06-22 01:51:16,099 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-06-22 01:51:16,099 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-06-22 01:51:16,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-06-22 01:51:16,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 01:51:16,099 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 01:51:16,099 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 01:51:16,100 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 01:51:16,100 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2020-06-22 01:51:16,100 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-06-22 01:51:16,100 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 01:51:16,100 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-06-22 01:51:16,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 01:51:16 BasicIcfg [2020-06-22 01:51:16,106 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 01:51:16,107 INFO L168 Benchmark]: Toolchain (without parser) took 2227.34 ms. Allocated memory was 649.6 MB in the beginning and 692.6 MB in the end (delta: 43.0 MB). Free memory was 565.2 MB in the beginning and 479.8 MB in the end (delta: 85.4 MB). Peak memory consumption was 128.4 MB. Max. memory is 50.3 GB. [2020-06-22 01:51:16,109 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.7 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 01:51:16,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.19 ms. Allocated memory was 649.6 MB in the beginning and 692.6 MB in the end (delta: 43.0 MB). Free memory was 565.2 MB in the beginning and 659.0 MB in the end (delta: -93.8 MB). Peak memory consumption was 28.4 MB. Max. memory is 50.3 GB. [2020-06-22 01:51:16,110 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.25 ms. Allocated memory is still 692.6 MB. Free memory was 659.0 MB in the beginning and 655.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. [2020-06-22 01:51:16,110 INFO L168 Benchmark]: Boogie Preprocessor took 18.70 ms. Allocated memory is still 692.6 MB. Free memory was 655.9 MB in the beginning and 654.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-06-22 01:51:16,111 INFO L168 Benchmark]: RCFGBuilder took 196.58 ms. Allocated memory is still 692.6 MB. Free memory was 654.6 MB in the beginning and 641.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 50.3 GB. [2020-06-22 01:51:16,112 INFO L168 Benchmark]: BlockEncodingV2 took 77.45 ms. Allocated memory is still 692.6 MB. Free memory was 641.6 MB in the beginning and 636.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-06-22 01:51:16,113 INFO L168 Benchmark]: TraceAbstraction took 156.53 ms. Allocated memory is still 692.6 MB. Free memory was 636.2 MB in the beginning and 626.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. [2020-06-22 01:51:16,114 INFO L168 Benchmark]: BuchiAutomizer took 1463.72 ms. Allocated memory is still 692.6 MB. Free memory was 626.7 MB in the beginning and 479.8 MB in the end (delta: 146.9 MB). Peak memory consumption was 146.9 MB. Max. memory is 50.3 GB. [2020-06-22 01:51:16,118 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 8 locations, 12 edges - StatisticsResult: Encoded RCFG 3 locations, 4 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.7 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 275.19 ms. Allocated memory was 649.6 MB in the beginning and 692.6 MB in the end (delta: 43.0 MB). Free memory was 565.2 MB in the beginning and 659.0 MB in the end (delta: -93.8 MB). Peak memory consumption was 28.4 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 34.25 ms. Allocated memory is still 692.6 MB. Free memory was 659.0 MB in the beginning and 655.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 18.70 ms. Allocated memory is still 692.6 MB. Free memory was 655.9 MB in the beginning and 654.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * RCFGBuilder took 196.58 ms. Allocated memory is still 692.6 MB. Free memory was 654.6 MB in the beginning and 641.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 77.45 ms. Allocated memory is still 692.6 MB. Free memory was 641.6 MB in the beginning and 636.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 156.53 ms. Allocated memory is still 692.6 MB. Free memory was 636.2 MB in the beginning and 626.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1463.72 ms. Allocated memory is still 692.6 MB. Free memory was 626.7 MB in the beginning and 479.8 MB in the end (delta: 146.9 MB). Peak memory consumption was 146.9 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function i and consists of 3 locations. One nondeterministic module has affine ranking function -1 * i + y and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 4 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 6 SDtfs, 9 SDslu, 0 SDs, 0 SdLazy, 9 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax179 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-06-22 01:51:10.635 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 01:51:16.353 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check